Annual report pursuant to Section 13 and 15(d)

Schedule III - Real Estate and Accumulated Deprecation (Details)

v3.10.0.1
Schedule III - Real Estate and Accumulated Deprecation (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2018
USD ($)
property
class
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land $ 582,960      
Initial Cost to Company, Buildings and Improvements 1,981,269      
Subsequent Additions 72,549      
Gross Carrying Amount at Year-End, Land 583,455      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,054,268      
Total 2,637,723 $ 2,275,233 $ 1,844,336 $ 1,147,201
Accumulated Depreciation 246,261 $ 170,358 $ 110,803 $ 68,100
Federal income tax basis of land and depreciable property $ 2,300,000      
Number of businesses acquired encumbered by debt | property 93      
Aggregate encumbrances on self storage properties $ 268,100      
Number of classes of real estate | class 1      
Mobile [Member] | ALABAMA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land $ 991      
Initial Cost to Company, Buildings and Improvements 4,874      
Subsequent Additions 730      
Gross Carrying Amount at Year-End, Land 991      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,604      
Total 6,595      
Accumulated Depreciation 862      
Lake Havasu City - Kingman [Member] | Arizona [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 671      
Initial Cost to Company, Buildings and Improvements 1,572      
Subsequent Additions 45      
Gross Carrying Amount at Year-End, Land 671      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,617      
Total 2,288      
Accumulated Depreciation 396      
Lake Havasu City - Kingman, Property Two [Member] | Arizona [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 722      
Initial Cost to Company, Buildings and Improvements 2,546      
Subsequent Additions 57      
Gross Carrying Amount at Year-End, Land 722      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,603      
Total 3,325      
Accumulated Depreciation 685      
Phoenix - Mesa - Glendale [Member] | Arizona [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,089      
Initial Cost to Company, Buildings and Improvements 6,607      
Subsequent Additions 66      
Gross Carrying Amount at Year-End, Land 1,089      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,673      
Total 7,762      
Accumulated Depreciation 1,353      
Phoenix - Mesa - Glendale, Property Two [Member] | Arizona [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 3,813      
Initial Cost to Company, Buildings and Improvements 7,831      
Subsequent Additions 66      
Gross Carrying Amount at Year-End, Land 3,813      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,897      
Total 11,710      
Accumulated Depreciation 1,207      
Phoenix - Mesa - Glendale, Property Three [Member] | Arizona [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,375      
Initial Cost to Company, Buildings and Improvements 2,613      
Subsequent Additions 79      
Gross Carrying Amount at Year-End, Land 1,375      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,692      
Total 4,067      
Accumulated Depreciation 728      
Phoenix - Mesa - Glendale, Property Four [Member] | Arizona [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,653      
Initial Cost to Company, Buildings and Improvements 7,531      
Subsequent Additions 39      
Gross Carrying Amount at Year-End, Land 1,653      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,570      
Total 9,223      
Accumulated Depreciation 999      
Phoenix - Mesa - Glendale, Property Five [Member] | Arizona [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,661      
Initial Cost to Company, Buildings and Improvements 3,311      
Subsequent Additions 69      
Gross Carrying Amount at Year-End, Land 1,661      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,380      
Total 5,041      
Accumulated Depreciation 563      
Phoenix - Mesa - Glendale, Property Six [Member] | Arizona [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,050      
Initial Cost to Company, Buildings and Improvements 5,359      
Subsequent Additions 44      
Gross Carrying Amount at Year-End, Land 1,050      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,403      
Total 6,453      
Accumulated Depreciation 552      
Phoenix - Mesa - Glendale, Property Seven [Member] | Arizona [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,198      
Initial Cost to Company, Buildings and Improvements 1,921      
Subsequent Additions 35      
Gross Carrying Amount at Year-End, Land 1,198      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,956      
Total 3,154      
Accumulated Depreciation 335      
Phoenix - Mesa - Glendale, Property Eight [Member] | Arizona [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,324      
Initial Cost to Company, Buildings and Improvements 3,626      
Subsequent Additions 38      
Gross Carrying Amount at Year-End, Land 1,324      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,664      
Total 4,988      
Accumulated Depreciation 520      
Phoenix - Mesa - Glendale, Property Nine [Member] | Arizona [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 3,816      
Initial Cost to Company, Buildings and Improvements 4,348      
Subsequent Additions 13      
Gross Carrying Amount at Year-End, Land 3,816      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,361      
Total 8,177      
Accumulated Depreciation 598      
Phoenix - Mesa - Scottsdale [Member] | Arizona [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 5,576      
Initial Cost to Company, Buildings and Improvements 6,746      
Subsequent Additions 253      
Gross Carrying Amount at Year-End, Land 5,576      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,999      
Total 12,575      
Accumulated Depreciation 960      
Phoenix - Mesa - Scottsdale - Property Two [Member] | Arizona [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,506      
Initial Cost to Company, Buildings and Improvements 2,881      
Subsequent Additions 163      
Gross Carrying Amount at Year-End, Land 1,609      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,044      
Total 4,653      
Accumulated Depreciation 297      
Phoenix - Mesa - Scottsdale - Property Three [Member] [Member] | Arizona [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,120      
Initial Cost to Company, Buildings and Improvements 5,442      
Subsequent Additions 17      
Gross Carrying Amount at Year-End, Land 2,120      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,459      
Total 7,579      
Accumulated Depreciation 348      
Phoenix - Mesa - Scottsdale - Property Four [Member] | Arizona [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,809      
Initial Cost to Company, Buildings and Improvements 4,787      
Subsequent Additions 13      
Gross Carrying Amount at Year-End, Land 1,809      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,800      
Total 6,609      
Accumulated Depreciation 193      
Phoenix - Mesa - Scottsdale - Property Five [Member] | Arizona [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 840      
Initial Cost to Company, Buildings and Improvements 5,274      
Subsequent Additions 12      
Gross Carrying Amount at Year-End, Land 840      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,286      
Total 6,126      
Accumulated Depreciation 206      
Phoenix - Mesa - Scottsdale - Property Six [Member] | Arizona [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,111      
Initial Cost to Company, Buildings and Improvements 7,963      
Subsequent Additions 22      
Gross Carrying Amount at Year-End, Land 2,111      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,985      
Total 10,096      
Accumulated Depreciation 285      
Phoenix - Mesa - Scottsdale - Property Seven [Member] | Arizona [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 748      
Initial Cost to Company, Buildings and Improvements 4,027      
Subsequent Additions 194      
Gross Carrying Amount at Year-End, Land 748      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,221      
Total 4,969      
Accumulated Depreciation 176      
Phoenix - Mesa - Scottsdale - Property Eight [Member] | Arizona [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 676      
Initial Cost to Company, Buildings and Improvements 4,098      
Subsequent Additions 51      
Gross Carrying Amount at Year-End, Land 676      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,149      
Total 4,825      
Accumulated Depreciation 152      
Phoenix - Mesa - Scottsdale - Property Nine [Member] | Arizona [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,011      
Initial Cost to Company, Buildings and Improvements 3,453      
Subsequent Additions 51      
Gross Carrying Amount at Year-End, Land 1,011      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,504      
Total 4,515      
Accumulated Depreciation 127      
Phoenix - Mesa - Scottsdale - Property Ten [Member] | Arizona [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,125      
Initial Cost to Company, Buildings and Improvements 3,554      
Subsequent Additions 63      
Gross Carrying Amount at Year-End, Land 1,125      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,617      
Total 4,742      
Accumulated Depreciation 152      
Phoenix - Mesa - Scottsdale - Property Eleven [Member] | Arizona [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 949      
Initial Cost to Company, Buildings and Improvements 7,351      
Subsequent Additions 40      
Gross Carrying Amount at Year-End, Land 949      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,391      
Total 8,340      
Accumulated Depreciation 229      
Phoenix - Mesa - Scottsdale - Property Twelve [Member] | Arizona [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,419      
Initial Cost to Company, Buildings and Improvements 5,504      
Subsequent Additions 51      
Gross Carrying Amount at Year-End, Land 1,419      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,555      
Total 6,974      
Accumulated Depreciation 204      
Phoenix - Mesa - Scottsdale - Property Thirteen [Member] | Arizona [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,117      
Initial Cost to Company, Buildings and Improvements 5,918      
Subsequent Additions 208      
Gross Carrying Amount at Year-End, Land 1,117      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,126      
Total 7,243      
Accumulated Depreciation 172      
Tucson [Member] | Arizona [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 421      
Initial Cost to Company, Buildings and Improvements 3,855      
Subsequent Additions 91      
Gross Carrying Amount at Year-End, Land 421      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,946      
Total 4,367      
Accumulated Depreciation 596      
Tucson, Property Two [Member] | Arizona [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 716      
Initial Cost to Company, Buildings and Improvements 1,365      
Subsequent Additions 15      
Gross Carrying Amount at Year-End, Land 716      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,380      
Total 2,096      
Accumulated Depreciation 392      
Tucson, Property Three [Member] | Arizona [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 358      
Initial Cost to Company, Buildings and Improvements 2,047      
Subsequent Additions 70      
Gross Carrying Amount at Year-End, Land 358      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,117      
Total 2,475      
Accumulated Depreciation 108      
Tucson, Property Four [Member] | Arizona [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 439      
Initial Cost to Company, Buildings and Improvements 2,501      
Subsequent Additions 35      
Gross Carrying Amount at Year-End, Land 439      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,536      
Total 2,975      
Accumulated Depreciation 104      
Tucson, Property Five [Member] | Arizona [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 606      
Initial Cost to Company, Buildings and Improvements 2,580      
Subsequent Additions 273      
Gross Carrying Amount at Year-End, Land 606      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,853      
Total 3,459      
Accumulated Depreciation 120      
Anaheim - Santa Ana - Irvine [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,530      
Initial Cost to Company, Buildings and Improvements 5,799      
Subsequent Additions 301      
Gross Carrying Amount at Year-End, Land 1,530      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,100      
Total 7,630      
Accumulated Depreciation 429      
Bakersfield [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 511      
Initial Cost to Company, Buildings and Improvements 2,804      
Subsequent Additions 205      
Gross Carrying Amount at Year-End, Land 511      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,009      
Total 3,520      
Accumulated Depreciation 316      
Bakersfield - Property Two [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,409      
Initial Cost to Company, Buildings and Improvements 3,907      
Subsequent Additions 194      
Gross Carrying Amount at Year-End, Land 1,228      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,101      
Total 5,329      
Accumulated Depreciation 388      
Bakersfield - Property Three [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,882      
Initial Cost to Company, Buildings and Improvements 3,858      
Subsequent Additions 111      
Gross Carrying Amount at Year-End, Land 1,882      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,969      
Total 5,851      
Accumulated Depreciation 446      
Bakersfield - Property Four [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,355      
Initial Cost to Company, Buildings and Improvements 4,678      
Subsequent Additions 231      
Gross Carrying Amount at Year-End, Land 1,355      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,909      
Total 6,264      
Accumulated Depreciation 498      
Bakersfield - Property Five [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,306      
Initial Cost to Company, Buildings and Improvements 3,440      
Subsequent Additions 132      
Gross Carrying Amount at Year-End, Land 1,306      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,572      
Total 4,878      
Accumulated Depreciation 488      
Bakersfield - Property Six [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,016      
Initial Cost to Company, Buildings and Improvements 3,638      
Subsequent Additions 102      
Gross Carrying Amount at Year-End, Land 1,016      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,740      
Total 4,756      
Accumulated Depreciation 342      
Bakersfield - Property Seven [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,579      
Initial Cost to Company, Buildings and Improvements 3,357      
Subsequent Additions 116      
Gross Carrying Amount at Year-End, Land 1,579      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,473      
Total 5,052      
Accumulated Depreciation 398      
Bakersfield - Property Eight [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 750      
Initial Cost to Company, Buildings and Improvements 5,802      
Subsequent Additions 124      
Gross Carrying Amount at Year-End, Land 750      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,926      
Total 6,676      
Accumulated Depreciation 570      
Fresno [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 840      
Initial Cost to Company, Buildings and Improvements 7,502      
Subsequent Additions 433      
Gross Carrying Amount at Year-End, Land 840      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,935      
Total 8,775      
Accumulated Depreciation 1,039      
Los Angeles - Long Beach - Glendale [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,345      
Initial Cost to Company, Buildings and Improvements 6,820      
Subsequent Additions 641      
Gross Carrying Amount at Year-End, Land 2,345      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,461      
Total 9,806      
Accumulated Depreciation 533      
Los Angeles - Long Beach - Glendale - Property Two [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,350      
Initial Cost to Company, Buildings and Improvements 11,266      
Subsequent Additions 159      
Gross Carrying Amount at Year-End, Land 1,350      
Gross Carrying Amount at Year-End, Buildings and Improvements 11,425      
Total 12,775      
Accumulated Depreciation 920      
Los Angeles - Long Beach - Glendale - Property Three [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 763      
Initial Cost to Company, Buildings and Improvements 6,258      
Subsequent Additions 175      
Gross Carrying Amount at Year-End, Land 763      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,433      
Total 7,196      
Accumulated Depreciation 520      
Los Angeles - Long Beach - Santa Ana [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 6,641      
Initial Cost to Company, Buildings and Improvements 8,239      
Subsequent Additions 48      
Gross Carrying Amount at Year-End, Land 6,641      
Gross Carrying Amount at Year-End, Buildings and Improvements 8,287      
Total 14,928      
Accumulated Depreciation 1,235      
Los Angeles - Long Beach - Santa Ana, Property Two [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,122      
Initial Cost to Company, Buildings and Improvements 1,881      
Subsequent Additions 9      
Gross Carrying Amount at Year-End, Land 1,122      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,890      
Total 3,012      
Accumulated Depreciation 381      
Los Angeles - Long Beach - Santa Ana, Property Three [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 7,186      
Initial Cost to Company, Buildings and Improvements 12,771      
Subsequent Additions 75      
Gross Carrying Amount at Year-End, Land 7,186      
Gross Carrying Amount at Year-End, Buildings and Improvements 12,846      
Total 20,032      
Accumulated Depreciation 2,241      
Los Angeles - Long Beach - Santa Ana, Property Four [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 0      
Initial Cost to Company, Buildings and Improvements 7,106      
Subsequent Additions 37      
Gross Carrying Amount at Year-End, Land 0      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,143      
Total 7,143      
Accumulated Depreciation 1,201      
Los Angeles - Long Beach - Santa Ana, Property Five [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,366      
Initial Cost to Company, Buildings and Improvements 4,892      
Subsequent Additions 104      
Gross Carrying Amount at Year-End, Land 2,366      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,996      
Total 7,362      
Accumulated Depreciation 900      
Los Angeles - Long Beach - Santa Ana, Property Six [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,871      
Initial Cost to Company, Buildings and Improvements 3,703      
Subsequent Additions 47      
Gross Carrying Amount at Year-End, Land 2,871      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,750      
Total 6,621      
Accumulated Depreciation 577      
Los Angeles - Long Beach - Santa Ana, Property Seven [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 5,448      
Initial Cost to Company, Buildings and Improvements 10,015      
Subsequent Additions 220      
Gross Carrying Amount at Year-End, Land 5,448      
Gross Carrying Amount at Year-End, Buildings and Improvements 10,235      
Total 15,683      
Accumulated Depreciation 1,853      
Los Angeles - Long Beach - Santa Ana, Property Eight [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 0      
Initial Cost to Company, Buildings and Improvements 13,150      
Subsequent Additions 16      
Gross Carrying Amount at Year-End, Land 0      
Gross Carrying Amount at Year-End, Buildings and Improvements 13,166      
Total 13,166      
Accumulated Depreciation 1,768      
Los Angeles - Long Beach - Santa Ana, Property Nine [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 0      
Initial Cost to Company, Buildings and Improvements 10,084      
Subsequent Additions 100      
Gross Carrying Amount at Year-End, Land 0      
Gross Carrying Amount at Year-End, Buildings and Improvements 10,184      
Total 10,184      
Accumulated Depreciation 363      
Modesto [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,526      
Initial Cost to Company, Buildings and Improvements 12,032      
Subsequent Additions 50      
Gross Carrying Amount at Year-End, Land 1,526      
Gross Carrying Amount at Year-End, Buildings and Improvements 12,082      
Total 13,608      
Accumulated Depreciation 1,023      
Modesto - Property Two [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 773      
Initial Cost to Company, Buildings and Improvements 5,655      
Subsequent Additions 6      
Gross Carrying Amount at Year-End, Land 773      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,661      
Total 6,434      
Accumulated Depreciation 401      
Riverside - San Bernardino - Ontario [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,842      
Initial Cost to Company, Buildings and Improvements 3,420      
Subsequent Additions 31      
Gross Carrying Amount at Year-End, Land 1,842      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,451      
Total 5,293      
Accumulated Depreciation 478      
Riverside - San Bernardino - Ontario, Property Two [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,981      
Initial Cost to Company, Buildings and Improvements 3,323      
Subsequent Additions 63      
Gross Carrying Amount at Year-End, Land 1,981      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,386      
Total 5,367      
Accumulated Depreciation 582      
Riverside - San Bernardino - Ontario, Property Three [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 3,418      
Initial Cost to Company, Buildings and Improvements 9,907      
Subsequent Additions 141      
Gross Carrying Amount at Year-End, Land 3,418      
Gross Carrying Amount at Year-End, Buildings and Improvements 10,048      
Total 13,466      
Accumulated Depreciation 1,214      
Riverside - San Bernardino - Ontario, Property Four [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,913      
Initial Cost to Company, Buildings and Improvements 6,072      
Subsequent Additions 71      
Gross Carrying Amount at Year-End, Land 1,913      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,143      
Total 8,056      
Accumulated Depreciation 884      
Riverside - San Bernardino - Ontario, Property Five [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 772      
Initial Cost to Company, Buildings and Improvements 4,044      
Subsequent Additions 74      
Gross Carrying Amount at Year-End, Land 772      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,118      
Total 4,890      
Accumulated Depreciation 705      
Riverside - San Bernardino - Ontario, Property Six [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 597      
Initial Cost to Company, Buildings and Improvements 5,464      
Subsequent Additions 65      
Gross Carrying Amount at Year-End, Land 597      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,529      
Total 6,126      
Accumulated Depreciation 690      
Riverside - San Bernardino - Ontario, Property Seven [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 3,022      
Initial Cost to Company, Buildings and Improvements 8,124      
Subsequent Additions 79      
Gross Carrying Amount at Year-End, Land 3,022      
Gross Carrying Amount at Year-End, Buildings and Improvements 8,203      
Total 11,225      
Accumulated Depreciation 1,166      
Riverside - San Bernardino - Ontario, Property Eight [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,897      
Initial Cost to Company, Buildings and Improvements 5,725      
Subsequent Additions 654      
Gross Carrying Amount at Year-End, Land 2,467      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,379      
Total 8,846      
Accumulated Depreciation 1,118      
Riverside - San Bernardino - Ontario, Property Nine [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,835      
Initial Cost to Company, Buildings and Improvements 5,589      
Subsequent Additions 831      
Gross Carrying Amount at Year-End, Land 2,164      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,420      
Total 8,584      
Accumulated Depreciation 1,017      
Riverside - San Bernardino - Ontario, Property Ten [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,484      
Initial Cost to Company, Buildings and Improvements 5,903      
Subsequent Additions 78      
Gross Carrying Amount at Year-End, Land 2,484      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,981      
Total 8,465      
Accumulated Depreciation 674      
Riverside - San Bernardino - Ontario, Property Eleven [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,139      
Initial Cost to Company, Buildings and Improvements 5,054      
Subsequent Additions 8      
Gross Carrying Amount at Year-End, Land 1,139      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,062      
Total 6,201      
Accumulated Depreciation 669      
Riverside - San Bernardino - Ontario, Property Twelve [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,401      
Initial Cost to Company, Buildings and Improvements 4,577      
Subsequent Additions 7      
Gross Carrying Amount at Year-End, Land 1,401      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,584      
Total 5,985      
Accumulated Depreciation 470      
Riverside - San Bernardino - Ontario, Property Thirteen [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 925      
Initial Cost to Company, Buildings and Improvements 3,459      
Subsequent Additions 40      
Gross Carrying Amount at Year-End, Land 925      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,499      
Total 4,424      
Accumulated Depreciation 474      
Riverside - San Bernardino - Ontario, Property Fourteen [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,174      
Initial Cost to Company, Buildings and Improvements 2,556      
Subsequent Additions 88      
Gross Carrying Amount at Year-End, Land 1,174      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,644      
Total 3,818      
Accumulated Depreciation 422      
Riverside - San Bernardino - Ontario, Property Fifteen [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,506      
Initial Cost to Company, Buildings and Improvements 2,913      
Subsequent Additions 38      
Gross Carrying Amount at Year-End, Land 1,506      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,951      
Total 4,457      
Accumulated Depreciation 374      
Riverside - San Bernardino - Ontario, Property Sixteen [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 631      
Initial Cost to Company, Buildings and Improvements 2,307      
Subsequent Additions 53      
Gross Carrying Amount at Year-End, Land 631      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,360      
Total 2,991      
Accumulated Depreciation 406      
Riverside - San Bernardino - Ontario, Property Seventeen [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,318      
Initial Cost to Company, Buildings and Improvements 2,394      
Subsequent Additions 43      
Gross Carrying Amount at Year-End, Land 1,318      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,437      
Total 3,755      
Accumulated Depreciation 398      
Riverside - San Bernardino - Ontario, Property Eighteen [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,942      
Initial Cost to Company, Buildings and Improvements 2,647      
Subsequent Additions 30      
Gross Carrying Amount at Year-End, Land 1,942      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,677      
Total 4,619      
Accumulated Depreciation 516      
Riverside - San Bernardino - Ontario, Property Nineteen [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,339      
Initial Cost to Company, Buildings and Improvements 2,830      
Subsequent Additions 30      
Gross Carrying Amount at Year-End, Land 1,339      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,860      
Total 4,199      
Accumulated Depreciation 425      
Riverside - San Bernardino - Ontario, Property Twenty [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,105      
Initial Cost to Company, Buildings and Improvements 2,672      
Subsequent Additions 35      
Gross Carrying Amount at Year-End, Land 1,105      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,707      
Total 3,812      
Accumulated Depreciation 483      
Riverside - San Bernardino - Ontario, Property Twenty One [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,542      
Initial Cost to Company, Buildings and Improvements 2,127      
Subsequent Additions 15      
Gross Carrying Amount at Year-End, Land 1,542      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,142      
Total 3,684      
Accumulated Depreciation 382      
Riverside - San Bernardino - Ontario, Property Twenty Two [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,478      
Initial Cost to Company, Buildings and Improvements 4,534      
Subsequent Additions 14      
Gross Carrying Amount at Year-End, Land 1,478      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,548      
Total 6,026      
Accumulated Depreciation 479      
Riverside - San Bernardino - Ontario, Property Twenty Three [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 3,245      
Initial Cost to Company, Buildings and Improvements 4,420      
Subsequent Additions 1,424      
Gross Carrying Amount at Year-End, Land 3,245      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,844      
Total 9,089      
Accumulated Depreciation 878      
Riverside - San Bernardino - Ontario, Property Twenty Four [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 670      
Initial Cost to Company, Buildings and Improvements 8,613      
Subsequent Additions 436      
Gross Carrying Amount at Year-End, Land 670      
Gross Carrying Amount at Year-End, Buildings and Improvements 9,049      
Total 9,719      
Accumulated Depreciation 739      
Riverside - San Bernardino - Ontario, Property Twenty Five [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 538      
Initial Cost to Company, Buildings and Improvements 3,921      
Subsequent Additions 379      
Gross Carrying Amount at Year-End, Land 538      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,300      
Total 4,838      
Accumulated Depreciation 369      
Riverside - San Bernardino - Ontario, Property Twenty Six [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 382      
Initial Cost to Company, Buildings and Improvements 3,442      
Subsequent Additions 336      
Gross Carrying Amount at Year-End, Land 382      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,778      
Total 4,160      
Accumulated Depreciation 328      
Riverside - San Bernardino - Ontario, Property Twenty Seven [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 806      
Initial Cost to Company, Buildings and Improvements 3,852      
Subsequent Additions 560      
Gross Carrying Amount at Year-End, Land 806      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,412      
Total 5,218      
Accumulated Depreciation 380      
Riverside - San Bernardino - Ontario, Property Twenty Eight [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 570      
Initial Cost to Company, Buildings and Improvements 4,238      
Subsequent Additions 343      
Gross Carrying Amount at Year-End, Land 570      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,581      
Total 5,151      
Accumulated Depreciation 378      
Riverside - San Bernardino - Ontario, Property Twenty Nine [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 345      
Initial Cost to Company, Buildings and Improvements 3,270      
Subsequent Additions 145      
Gross Carrying Amount at Year-End, Land 345      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,415      
Total 3,760      
Accumulated Depreciation 321      
Riverside - San Bernardino - Ontario, Property Thirty [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 252      
Initial Cost to Company, Buildings and Improvements 4,419      
Subsequent Additions 86      
Gross Carrying Amount at Year-End, Land 252      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,505      
Total 4,757      
Accumulated Depreciation 405      
Riverside - San Bernardino - Ontario, Property Thirty One [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,691      
Initial Cost to Company, Buildings and Improvements 3,950      
Subsequent Additions 209      
Gross Carrying Amount at Year-End, Land 2,691      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,159      
Total 6,850      
Accumulated Depreciation 327      
Riverside - San Bernardino - Ontario, Property Thirty Two [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 302      
Initial Cost to Company, Buildings and Improvements 4,169      
Subsequent Additions 107      
Gross Carrying Amount at Year-End, Land 302      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,276      
Total 4,578      
Accumulated Depreciation 300      
Riverside - San Bernardino - Ontario, Property Thirty Three [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 896      
Initial Cost to Company, Buildings and Improvements 6,397      
Subsequent Additions 295      
Gross Carrying Amount at Year-End, Land 896      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,692      
Total 7,588      
Accumulated Depreciation 450      
Riverside - San Bernardino - Ontario, Property Thirty Four [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 552      
Initial Cost to Company, Buildings and Improvements 3,010      
Subsequent Additions 126      
Gross Carrying Amount at Year-End, Land 552      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,136      
Total 3,688      
Accumulated Depreciation 872      
Riverside - San Bernardino - Ontario, Property Thirty Five [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,342      
Initial Cost to Company, Buildings and Improvements 4,446      
Subsequent Additions 120      
Gross Carrying Amount at Year-End, Land 1,342      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,566      
Total 5,908      
Accumulated Depreciation 1,454      
Riverside - San Bernardino - Ontario, Property Thirty Six [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,672      
Initial Cost to Company, Buildings and Improvements 2,564      
Subsequent Additions 58      
Gross Carrying Amount at Year-End, Land 1,672      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,622      
Total 4,294      
Accumulated Depreciation 515      
Riverside - San Bernardino - Ontario - Property Thirty Seven [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 978      
Initial Cost to Company, Buildings and Improvements 1,854      
Subsequent Additions 294      
Gross Carrying Amount at Year-End, Land 978      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,148      
Total 3,126      
Accumulated Depreciation 561      
Riverside - San Bernardino - Ontario - Property Thirty Eight [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,068      
Initial Cost to Company, Buildings and Improvements 2,609      
Subsequent Additions 118      
Gross Carrying Amount at Year-End, Land 1,068      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,727      
Total 3,795      
Accumulated Depreciation 625      
Riverside - San Bernardino - Ontario - Property Thirty Nine [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,202      
Initial Cost to Company, Buildings and Improvements 2,032      
Subsequent Additions 54      
Gross Carrying Amount at Year-End, Land 1,202      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,086      
Total 3,288      
Accumulated Depreciation 429      
Riverside - San Bernardino - Ontario - Property Forty [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,803      
Initial Cost to Company, Buildings and Improvements 2,758      
Subsequent Additions 40      
Gross Carrying Amount at Year-End, Land 1,803      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,798      
Total 4,601      
Accumulated Depreciation 756      
Riverside - San Bernardino - Ontario - Property Forty One [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,337      
Initial Cost to Company, Buildings and Improvements 4,489      
Subsequent Additions 55      
Gross Carrying Amount at Year-End, Land 1,337      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,544      
Total 5,881      
Accumulated Depreciation 821      
Riverside - San Bernardino - Ontario - Property Forty Two [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 846      
Initial Cost to Company, Buildings and Improvements 2,508      
Subsequent Additions 47      
Gross Carrying Amount at Year-End, Land 846      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,555      
Total 3,401      
Accumulated Depreciation 656      
Riverside - San Bernardino - Ontario - Property Forty Three [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,026      
Initial Cost to Company, Buildings and Improvements 4,552      
Subsequent Additions 54      
Gross Carrying Amount at Year-End, Land 1,026      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,606      
Total 5,632      
Accumulated Depreciation 781      
Riverside - San Bernardino - Ontario - Property Forty Four [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,878      
Initial Cost to Company, Buildings and Improvements 5,104      
Subsequent Additions 39      
Gross Carrying Amount at Year-End, Land 1,878      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,143      
Total 7,021      
Accumulated Depreciation 782      
Riverside - San Bernardino - Ontario - Property Forty Five [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 14,109      
Initial Cost to Company, Buildings and Improvements 23,112      
Subsequent Additions 217      
Gross Carrying Amount at Year-End, Land 14,109      
Gross Carrying Amount at Year-End, Buildings and Improvements 23,329      
Total 37,438      
Accumulated Depreciation 4,167      
Riverside - San Bernardino - Ontario - Property Forty Six [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 3,974      
Initial Cost to Company, Buildings and Improvements 6,962      
Subsequent Additions 114      
Gross Carrying Amount at Year-End, Land 3,974      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,076      
Total 11,050      
Accumulated Depreciation 1,509      
Riverside - San Bernardino - Ontario - Property Forty Seven [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,018      
Initial Cost to Company, Buildings and Improvements 3,478      
Subsequent Additions 693      
Gross Carrying Amount at Year-End, Land 2,018      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,171      
Total 6,189      
Accumulated Depreciation 1,123      
Riverside - San Bernardino - Ontario - Property Forty Eight [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,644      
Initial Cost to Company, Buildings and Improvements 2,588      
Subsequent Additions 6      
Gross Carrying Amount at Year-End, Land 1,644      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,594      
Total 4,238      
Accumulated Depreciation 84      
Sacramento - Roseville - Arden - Arcade [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,195      
Initial Cost to Company, Buildings and Improvements 8,407      
Subsequent Additions 5      
Gross Carrying Amount at Year-End, Land 1,195      
Gross Carrying Amount at Year-End, Buildings and Improvements 8,412      
Total 9,607      
Accumulated Depreciation 581      
Sacramento - Roseville - Arden - Arcade - Property Two [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 425      
Initial Cost to Company, Buildings and Improvements 7,249      
Subsequent Additions 19      
Gross Carrying Amount at Year-End, Land 425      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,268      
Total 7,693      
Accumulated Depreciation 558      
Sacramento - Roseville - Arden - Arcade - Property Three [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,652      
Initial Cost to Company, Buildings and Improvements 9,510      
Subsequent Additions 56      
Gross Carrying Amount at Year-End, Land 1,652      
Gross Carrying Amount at Year-End, Buildings and Improvements 9,566      
Total 11,218      
Accumulated Depreciation 120      
San Diego - Carlsbad [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 4,318      
Initial Cost to Company, Buildings and Improvements 19,775      
Subsequent Additions 1,028      
Gross Carrying Amount at Year-End, Land 4,323      
Gross Carrying Amount at Year-End, Buildings and Improvements 20,803      
Total 25,126      
Accumulated Depreciation 1,462      
San Diego - Carlsbad - San Marcos [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 3,703      
Initial Cost to Company, Buildings and Improvements 5,582      
Subsequent Additions 48      
Gross Carrying Amount at Year-End, Land 3,703      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,630      
Total 9,333      
Accumulated Depreciation 872      
San Diego - Carlsbad - San Marcos, Property Two [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 3,544      
Initial Cost to Company, Buildings and Improvements 4,915      
Subsequent Additions 217      
Gross Carrying Amount at Year-End, Land 3,544      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,132      
Total 8,676      
Accumulated Depreciation 838      
San Diego - Carlsbad - San Marcos, Property Three [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 0      
Initial Cost to Company, Buildings and Improvements 5,568      
Subsequent Additions 87      
Gross Carrying Amount at Year-End, Land 0      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,655      
Total 5,655      
Accumulated Depreciation 628      
San Diego - Carlsbad - San Marcos, Property Four [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 0      
Initial Cost to Company, Buildings and Improvements 4,041      
Subsequent Additions 50      
Gross Carrying Amount at Year-End, Land 0      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,091      
Total 4,091      
Accumulated Depreciation 833      
Stockton - Lodi [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 559      
Initial Cost to Company, Buildings and Improvements 5,514      
Subsequent Additions 15      
Gross Carrying Amount at Year-End, Land 559      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,529      
Total 6,088      
Accumulated Depreciation 397      
Stockton - Lodi - Property Two [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,710      
Initial Cost to Company, Buildings and Improvements 8,995      
Subsequent Additions 29      
Gross Carrying Amount at Year-End, Land 1,710      
Gross Carrying Amount at Year-End, Buildings and Improvements 9,024      
Total 10,734      
Accumulated Depreciation 737      
Stockton - Lodi - Property Three [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,637      
Initial Cost to Company, Buildings and Improvements 11,901      
Subsequent Additions 28      
Gross Carrying Amount at Year-End, Land 1,637      
Gross Carrying Amount at Year-End, Buildings and Improvements 11,929      
Total 13,566      
Accumulated Depreciation 541      
Colorado Springs [Member] | Colorado [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 455      
Initial Cost to Company, Buildings and Improvements 1,351      
Subsequent Additions 58      
Gross Carrying Amount at Year-End, Land 455      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,409      
Total 1,864      
Accumulated Depreciation 421      
Colorado Springs, Property Two [Member] | Colorado [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 588      
Initial Cost to Company, Buildings and Improvements 2,162      
Subsequent Additions 1,119      
Gross Carrying Amount at Year-End, Land 588      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,281      
Total 3,869      
Accumulated Depreciation 885      
Colorado Springs, Property Three [Member] | Colorado [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 632      
Initial Cost to Company, Buildings and Improvements 3,118      
Subsequent Additions 401      
Gross Carrying Amount at Year-End, Land 632      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,519      
Total 4,151      
Accumulated Depreciation 1,047      
Colorado Springs, Property Four [Member] | Colorado [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 414      
Initial Cost to Company, Buildings and Improvements 1,535      
Subsequent Additions 334      
Gross Carrying Amount at Year-End, Land 414      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,869      
Total 2,283      
Accumulated Depreciation 556      
Colorado Springs, Property Five [Member] | Colorado [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 300      
Initial Cost to Company, Buildings and Improvements 1,801      
Subsequent Additions 110      
Gross Carrying Amount at Year-End, Land 300      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,911      
Total 2,211      
Accumulated Depreciation 468      
Colorado Springs, Property Six [Member] | Colorado [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 766      
Initial Cost to Company, Buildings and Improvements 5,901      
Subsequent Additions 574      
Gross Carrying Amount at Year-End, Land 766      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,475      
Total 7,241      
Accumulated Depreciation 257      
Denver - Aurora - Broomfield [Member] | Colorado [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 868      
Initial Cost to Company, Buildings and Improvements 128      
Subsequent Additions 2,303      
Gross Carrying Amount at Year-End, Land 868      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,431      
Total 3,299      
Accumulated Depreciation 530      
Denver - Aurora - Lakewood [Member] | Colorado [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 938      
Initial Cost to Company, Buildings and Improvements 8,449      
Subsequent Additions 24      
Gross Carrying Amount at Year-End, Land 938      
Gross Carrying Amount at Year-End, Buildings and Improvements 8,473      
Total 9,411      
Accumulated Depreciation 523      
Fort Collins - Loveland [Member] | Colorado [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 3,213      
Initial Cost to Company, Buildings and Improvements 3,087      
Subsequent Additions 213      
Gross Carrying Amount at Year-End, Land 3,213      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,300      
Total 6,513      
Accumulated Depreciation 947      
Fort Collins - Loveland, Property Two [Member] | Colorado [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,514      
Initial Cost to Company, Buildings and Improvements 1,786      
Subsequent Additions 107      
Gross Carrying Amount at Year-End, Land 2,514      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,893      
Total 4,407      
Accumulated Depreciation 546      
Pueblo [Member] | Colorado [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 156      
Initial Cost to Company, Buildings and Improvements 2,797      
Subsequent Additions 6      
Gross Carrying Amount at Year-End, Land 156      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,803      
Total 2,959      
Accumulated Depreciation 278      
Cape Coral - Fort Myers [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 4,122      
Initial Cost to Company, Buildings and Improvements 8,453      
Subsequent Additions 48      
Gross Carrying Amount at Year-End, Land 4,122      
Gross Carrying Amount at Year-End, Buildings and Improvements 8,501      
Total 12,623      
Accumulated Depreciation 821      
Gainesville [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,072      
Initial Cost to Company, Buildings and Improvements 4,698      
Subsequent Additions 62      
Gross Carrying Amount at Year-End, Land 1,072      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,760      
Total 5,832      
Accumulated Depreciation 188      
Gainesville - Property Two [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 264      
Initial Cost to Company, Buildings and Improvements 2,369      
Subsequent Additions 1      
Gross Carrying Amount at Year-End, Land 264      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,370      
Total 2,634      
Accumulated Depreciation 4      
Jacksonville [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,087      
Initial Cost to Company, Buildings and Improvements 19,473      
Subsequent Additions 122      
Gross Carrying Amount at Year-End, Land 2,087      
Gross Carrying Amount at Year-End, Buildings and Improvements 19,595      
Total 21,682      
Accumulated Depreciation 1,222      
Jacksonville [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,265      
Initial Cost to Company, Buildings and Improvements 2,123      
Subsequent Additions 89      
Gross Carrying Amount at Year-End, Land 1,265      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,212      
Total 3,477      
Accumulated Depreciation 454      
Jacksonville - Property Two [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,629      
Initial Cost to Company, Buildings and Improvements 4,929      
Subsequent Additions 256      
Gross Carrying Amount at Year-End, Land 1,629      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,185      
Total 6,814      
Accumulated Depreciation 417      
Jacksonville - Property Three [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 527      
Initial Cost to Company, Buildings and Improvements 2,434      
Subsequent Additions 427      
Gross Carrying Amount at Year-End, Land 527      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,861      
Total 3,388      
Accumulated Depreciation 156      
Lakeland - Winter Haven [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 972      
Initial Cost to Company, Buildings and Improvements 2,159      
Subsequent Additions 140      
Gross Carrying Amount at Year-End, Land 972      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,299      
Total 3,271      
Accumulated Depreciation 334      
Naples - Immokalee - Marco Island [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 3,849      
Initial Cost to Company, Buildings and Improvements 16,688      
Subsequent Additions 83      
Gross Carrying Amount at Year-End, Land 3,849      
Gross Carrying Amount at Year-End, Buildings and Improvements 16,771      
Total 20,620      
Accumulated Depreciation 1,374      
North Port - Sarasota - Bradenton [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,211      
Initial Cost to Company, Buildings and Improvements 5,682      
Subsequent Additions 28      
Gross Carrying Amount at Year-End, Land 2,211      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,710      
Total 7,921      
Accumulated Depreciation 535      
North Port - Sarasota - Bradenton - Property Two [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,488      
Initial Cost to Company, Buildings and Improvements 7,282      
Subsequent Additions 131      
Gross Carrying Amount at Year-End, Land 2,488      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,413      
Total 9,901      
Accumulated Depreciation 657      
North Port - Sarasota - Bradenton - Property Three [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,767      
Initial Cost to Company, Buildings and Improvements 5,955      
Subsequent Additions 19      
Gross Carrying Amount at Year-End, Land 1,767      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,974      
Total 7,741      
Accumulated Depreciation 606      
North Port - Sarasota - Bradenton - Property Four [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,143      
Initial Cost to Company, Buildings and Improvements 5,005      
Subsequent Additions 3,487      
Gross Carrying Amount at Year-End, Land 3,373      
Gross Carrying Amount at Year-End, Buildings and Improvements 8,492      
Total 11,865      
Accumulated Depreciation 860      
North Port - Sarasota - Bradenton - Property Five [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,924      
Initial Cost to Company, Buildings and Improvements 4,514      
Subsequent Additions 42      
Gross Carrying Amount at Year-End, Land 1,924      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,556      
Total 6,480      
Accumulated Depreciation 515      
North Port - Sarasota - Bradenton - Property Six [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,176      
Initial Cost to Company, Buildings and Improvements 3,421      
Subsequent Additions 4      
Gross Carrying Amount at Year-End, Land 1,176      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,425      
Total 4,601      
Accumulated Depreciation 323      
North Port - Sarasota - Bradenton - Property Seven [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,839      
Initial Cost to Company, Buildings and Improvements 8,377      
Subsequent Additions 20      
Gross Carrying Amount at Year-End, Land 1,839      
Gross Carrying Amount at Year-End, Buildings and Improvements 8,397      
Total 10,236      
Accumulated Depreciation 672      
North Port - Sarasota - Bradenton - Property Eight [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,507      
Initial Cost to Company, Buildings and Improvements 7,766      
Subsequent Additions 44      
Gross Carrying Amount at Year-End, Land 2,507      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,810      
Total 10,317      
Accumulated Depreciation 683      
North Port - Sarasota - Bradenton - Property Nine [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,685      
Initial Cost to Company, Buildings and Improvements 5,439      
Subsequent Additions 34      
Gross Carrying Amount at Year-End, Land 1,685      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,473      
Total 7,158      
Accumulated Depreciation 524      
North Port - Sarasota - Bradenton - Property Ten [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 437      
Initial Cost to Company, Buildings and Improvements 5,128      
Subsequent Additions 203      
Gross Carrying Amount at Year-End, Land 437      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,331      
Total 5,768      
Accumulated Depreciation 530      
North Port - Sarasota - Bradenton - Property Eleven [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,015      
Initial Cost to Company, Buildings and Improvements 3,031      
Subsequent Additions 22      
Gross Carrying Amount at Year-End, Land 1,015      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,053      
Total 4,068      
Accumulated Depreciation 272      
North Port - Sarasota - Bradenton - Property Twelve [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,985      
Initial Cost to Company, Buildings and Improvements 4,299      
Subsequent Additions 891      
Gross Carrying Amount at Year-End, Land 1,985      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,190      
Total 7,175      
Accumulated Depreciation 357      
North Port - Sarasota - Bradenton - Property Thirteen [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,336      
Initial Cost to Company, Buildings and Improvements 4,085      
Subsequent Additions 1      
Gross Carrying Amount at Year-End, Land 1,336      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,086      
Total 5,422      
Accumulated Depreciation 223      
Orlando - Kissimmee - Sanford [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,426      
Initial Cost to Company, Buildings and Improvements 9,314      
Subsequent Additions 90      
Gross Carrying Amount at Year-End, Land 2,426      
Gross Carrying Amount at Year-End, Buildings and Improvements 9,404      
Total 11,830      
Accumulated Depreciation 689      
Orlando - Kissimmee - Sanford - Property Two [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,166      
Initial Cost to Company, Buildings and Improvements 4,672      
Subsequent Additions 89      
Gross Carrying Amount at Year-End, Land 2,166      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,761      
Total 6,927      
Accumulated Depreciation 391      
Orlando - Kissimmee - Sanford - Property Three [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 4,583      
Initial Cost to Company, Buildings and Improvements 8,752      
Subsequent Additions 88      
Gross Carrying Amount at Year-End, Land 4,583      
Gross Carrying Amount at Year-End, Buildings and Improvements 8,840      
Total 13,423      
Accumulated Depreciation 810      
Orlando - Kissimmee - Sanford - Property Four [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 4,181      
Initial Cost to Company, Buildings and Improvements 4,268      
Subsequent Additions 162      
Gross Carrying Amount at Year-End, Land 4,181      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,430      
Total 8,611      
Accumulated Depreciation 297      
Pensacola - Ferry Pass - Brent [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,025      
Initial Cost to Company, Buildings and Improvements 8,157      
Subsequent Additions 114      
Gross Carrying Amount at Year-End, Land 1,025      
Gross Carrying Amount at Year-End, Buildings and Improvements 8,271      
Total 9,296      
Accumulated Depreciation 327      
Pensacola - Ferry Pass - Brent - Property Two [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 841      
Initial Cost to Company, Buildings and Improvements 5,075      
Subsequent Additions 162      
Gross Carrying Amount at Year-End, Land 841      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,237      
Total 6,078      
Accumulated Depreciation 184      
Pensacola - Ferry Pass - Brent - Property Three [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 644      
Initial Cost to Company, Buildings and Improvements 4,785      
Subsequent Additions 31      
Gross Carrying Amount at Year-End, Land 644      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,816      
Total 5,460      
Accumulated Depreciation 8      
Punta Gorda [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,157      
Initial Cost to Company, Buildings and Improvements 2,079      
Subsequent Additions 85      
Gross Carrying Amount at Year-End, Land 1,157      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,164      
Total 3,321      
Accumulated Depreciation 173      
Tampa - St. Petersburg - Clearwater [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 5,436      
Initial Cost to Company, Buildings and Improvements 10,092      
Subsequent Additions 27      
Gross Carrying Amount at Year-End, Land 5,436      
Gross Carrying Amount at Year-End, Buildings and Improvements 10,119      
Total 15,555      
Accumulated Depreciation 983      
Tampa - St. Petersburg - Clearwater - Property Two [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 361      
Initial Cost to Company, Buildings and Improvements 1,238      
Subsequent Additions 83      
Gross Carrying Amount at Year-End, Land 361      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,321      
Total 1,682      
Accumulated Depreciation 257      
Tampa - St. Petersburg - Clearwater - Property Three [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 3,581      
Initial Cost to Company, Buildings and Improvements 2,612      
Subsequent Additions 41      
Gross Carrying Amount at Year-End, Land 3,581      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,653      
Total 6,234      
Accumulated Depreciation 251      
Tampa - St. Petersburg - Clearwater - Property Four [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 4,708      
Initial Cost to Company, Buildings and Improvements 13,984      
Subsequent Additions 60      
Gross Carrying Amount at Year-End, Land 4,708      
Gross Carrying Amount at Year-End, Buildings and Improvements 14,044      
Total 18,752      
Accumulated Depreciation 731      
Tampa - St. Petersburg - Clearwater - Property Five [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,063      
Initial Cost to Company, Buildings and Improvements 5,351      
Subsequent Additions 0      
Gross Carrying Amount at Year-End, Land 2,063      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,351      
Total 7,414      
Accumulated Depreciation 68      
Atlanta - Sandy Springs - Marietta [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 515      
Initial Cost to Company, Buildings and Improvements 687      
Subsequent Additions 100      
Gross Carrying Amount at Year-End, Land 515      
Gross Carrying Amount at Year-End, Buildings and Improvements 787      
Total 1,302      
Accumulated Depreciation 254      
Atlanta - Sandy Springs - Marietta, Property Two [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 272      
Initial Cost to Company, Buildings and Improvements 1,357      
Subsequent Additions 358      
Gross Carrying Amount at Year-End, Land 272      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,715      
Total 1,987      
Accumulated Depreciation 499      
Atlanta - Sandy Springs - Marietta, Property Three [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 702      
Initial Cost to Company, Buildings and Improvements 1,999      
Subsequent Additions 319      
Gross Carrying Amount at Year-End, Land 702      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,318      
Total 3,020      
Accumulated Depreciation 724      
Atlanta - Sandy Springs - Marietta, Property Four [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,413      
Initial Cost to Company, Buildings and Improvements 1,590      
Subsequent Additions 179      
Gross Carrying Amount at Year-End, Land 1,413      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,769      
Total 3,182      
Accumulated Depreciation 550      
Atlanta - Sandy Springs - Marietta, Property Five [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 341      
Initial Cost to Company, Buildings and Improvements 562      
Subsequent Additions 131      
Gross Carrying Amount at Year-End, Land 341      
Gross Carrying Amount at Year-End, Buildings and Improvements 693      
Total 1,034      
Accumulated Depreciation 240      
Atlanta - Sandy Springs - Marietta, Property Six [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 553      
Initial Cost to Company, Buildings and Improvements 847      
Subsequent Additions 172      
Gross Carrying Amount at Year-End, Land 553      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,019      
Total 1,572      
Accumulated Depreciation 345      
Atlanta - Sandy Springs - Marietta, Property Seven [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 85      
Initial Cost to Company, Buildings and Improvements 445      
Subsequent Additions 285      
Gross Carrying Amount at Year-End, Land 85      
Gross Carrying Amount at Year-End, Buildings and Improvements 730      
Total 815      
Accumulated Depreciation 257      
Atlanta - Sandy Springs - Marietta, Property Eight [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 494      
Initial Cost to Company, Buildings and Improvements 2,215      
Subsequent Additions 248      
Gross Carrying Amount at Year-End, Land 494      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,463      
Total 2,957      
Accumulated Depreciation 722      
Atlanta - Sandy Springs - Marietta, Property Nine [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,614      
Initial Cost to Company, Buildings and Improvements 2,476      
Subsequent Additions 1,719      
Gross Carrying Amount at Year-End, Land 1,614      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,195      
Total 5,809      
Accumulated Depreciation 382      
Atlanta - Sandy Springs - Marietta, Property Ten [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,595      
Initial Cost to Company, Buildings and Improvements 2,143      
Subsequent Additions 1,894      
Gross Carrying Amount at Year-End, Land 1,595      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,037      
Total 5,632      
Accumulated Depreciation 385      
Atlanta - Sandy Springs - Marietta, Property Eleven [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 666      
Initial Cost to Company, Buildings and Improvements 5,961      
Subsequent Additions 48      
Gross Carrying Amount at Year-End, Land 666      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,009      
Total 6,675      
Accumulated Depreciation 339      
Atlanta - Sandy Springs - Marietta, Property Twelve [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,028      
Initial Cost to Company, Buildings and Improvements 7,041      
Subsequent Additions 8      
Gross Carrying Amount at Year-End, Land 1,028      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,049      
Total 8,077      
Accumulated Depreciation 408      
Atlanta - Sandy Springs - Marietta, Property Thirteen [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 748      
Initial Cost to Company, Buildings and Improvements 3,382      
Subsequent Additions 25      
Gross Carrying Amount at Year-End, Land 748      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,407      
Total 4,155      
Accumulated Depreciation 173      
Atlanta - Sandy Springs - Marietta, Property Fourteen [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 703      
Initial Cost to Company, Buildings and Improvements 4,014      
Subsequent Additions 11      
Gross Carrying Amount at Year-End, Land 703      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,025      
Total 4,728      
Accumulated Depreciation 202      
Atlanta - Sandy Springs - Marietta, Property Fifteen [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,873      
Initial Cost to Company, Buildings and Improvements 9,109      
Subsequent Additions 17      
Gross Carrying Amount at Year-End, Land 1,873      
Gross Carrying Amount at Year-End, Buildings and Improvements 9,126      
Total 10,999      
Accumulated Depreciation 422      
Atlanta - Sandy Springs - Marietta, Property Sixteen [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 547      
Initial Cost to Company, Buildings and Improvements 4,073      
Subsequent Additions 11      
Gross Carrying Amount at Year-End, Land 547      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,084      
Total 4,631      
Accumulated Depreciation 200      
Atlanta - Sandy Springs - Marietta, Property Seventeen [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,499      
Initial Cost to Company, Buildings and Improvements 5,279      
Subsequent Additions 3      
Gross Carrying Amount at Year-End, Land 1,499      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,282      
Total 6,781      
Accumulated Depreciation 262      
Atlanta - Sandy Springs - Marietta, Property Eighteen [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 763      
Initial Cost to Company, Buildings and Improvements 5,135      
Subsequent Additions 23      
Gross Carrying Amount at Year-End, Land 763      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,158      
Total 5,921      
Accumulated Depreciation 211      
Atlanta - Sandy Springs - Marietta, Property Nineteen [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 795      
Initial Cost to Company, Buildings and Improvements 2,941      
Subsequent Additions 12      
Gross Carrying Amount at Year-End, Land 795      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,953      
Total 3,748      
Accumulated Depreciation 144      
Atlanta - Sandy Springs - Marietta, Property Twenty [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,356      
Initial Cost to Company, Buildings and Improvements 7,516      
Subsequent Additions 16      
Gross Carrying Amount at Year-End, Land 1,356      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,532      
Total 8,888      
Accumulated Depreciation 356      
Atlanta - Sandy Springs - Marietta, Property Twenty-one [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 912      
Initial Cost to Company, Buildings and Improvements 5,074      
Subsequent Additions 18      
Gross Carrying Amount at Year-End, Land 912      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,092      
Total 6,004      
Accumulated Depreciation 213      
Atlanta - Sandy Springs - Marietta, Property Twenty-two [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 570      
Initial Cost to Company, Buildings and Improvements 3,477      
Subsequent Additions 39      
Gross Carrying Amount at Year-End, Land 570      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,516      
Total 4,086      
Accumulated Depreciation 176      
Atlanta - Sandy Springs - Marietta, Property Twenty-four [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,052      
Initial Cost to Company, Buildings and Improvements 7,102      
Subsequent Additions 13      
Gross Carrying Amount at Year-End, Land 1,052      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,115      
Total 8,167      
Accumulated Depreciation 291      
Atlanta - Sandy Springs - Marietta, Property Twenty-three [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 430      
Initial Cost to Company, Buildings and Improvements 3,470      
Subsequent Additions 39      
Gross Carrying Amount at Year-End, Land 430      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,509      
Total 3,939      
Accumulated Depreciation 384      
Atlanta - Sandy Springs - Rosewell [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 972      
Initial Cost to Company, Buildings and Improvements 2,342      
Subsequent Additions 56      
Gross Carrying Amount at Year-End, Land 972      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,398      
Total 3,370      
Accumulated Depreciation 221      
Atlanta - Sandy Springs - Rosewell - Property Two [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 919      
Initial Cost to Company, Buildings and Improvements 3,899      
Subsequent Additions 25      
Gross Carrying Amount at Year-End, Land 919      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,924      
Total 4,843      
Accumulated Depreciation 95      
Augusta [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 84      
Initial Cost to Company, Buildings and Improvements 539      
Subsequent Additions 147      
Gross Carrying Amount at Year-End, Land 84      
Gross Carrying Amount at Year-End, Buildings and Improvements 686      
Total 770      
Accumulated Depreciation 232      
Augusta, Property Two [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 205      
Initial Cost to Company, Buildings and Improvements 686      
Subsequent Additions 143      
Gross Carrying Amount at Year-End, Land 205      
Gross Carrying Amount at Year-End, Buildings and Improvements 829      
Total 1,034      
Accumulated Depreciation 265      
Columbus [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 169      
Initial Cost to Company, Buildings and Improvements 342      
Subsequent Additions 166      
Gross Carrying Amount at Year-End, Land 169      
Gross Carrying Amount at Year-End, Buildings and Improvements 508      
Total 677      
Accumulated Depreciation 138      
Macon [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 180      
Initial Cost to Company, Buildings and Improvements 840      
Subsequent Additions 41      
Gross Carrying Amount at Year-End, Land 180      
Gross Carrying Amount at Year-End, Buildings and Improvements 881      
Total 1,061      
Accumulated Depreciation 260      
Savannah [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,741      
Initial Cost to Company, Buildings and Improvements 1,160      
Subsequent Additions 389      
Gross Carrying Amount at Year-End, Land 1,741      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,549      
Total 3,290      
Accumulated Depreciation 409      
Savannah, Property Two [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 597      
Initial Cost to Company, Buildings and Improvements 762      
Subsequent Additions 165      
Gross Carrying Amount at Year-End, Land 597      
Gross Carrying Amount at Year-End, Buildings and Improvements 927      
Total 1,524      
Accumulated Depreciation 294      
Savannah, Property Three [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 409      
Initial Cost to Company, Buildings and Improvements 1,335      
Subsequent Additions 21      
Gross Carrying Amount at Year-End, Land 409      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,356      
Total 1,765      
Accumulated Depreciation 393      
Savannah, Property Four [Member] | Georgia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 811      
Initial Cost to Company, Buildings and Improvements 1,181      
Subsequent Additions 143      
Gross Carrying Amount at Year-End, Land 811      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,324      
Total 2,135      
Accumulated Depreciation 391      
St. Louis, Property One [Member] | ILLINOIS        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 225      
Initial Cost to Company, Buildings and Improvements 4,394      
Subsequent Additions 123      
Gross Carrying Amount at Year-End, Land 225      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,517      
Total 4,742      
Accumulated Depreciation 241      
St. Louis, Property Two [Member] | ILLINOIS        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 179      
Initial Cost to Company, Buildings and Improvements 5,154      
Subsequent Additions 294      
Gross Carrying Amount at Year-End, Land 179      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,448      
Total 5,627      
Accumulated Depreciation 281      
St. Louis, Property Three [Member] | ILLINOIS        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 226      
Initial Cost to Company, Buildings and Improvements 3,088      
Subsequent Additions 204      
Gross Carrying Amount at Year-End, Land 226      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,292      
Total 3,518      
Accumulated Depreciation 193      
St. Louis, Property Four [Member] | ILLINOIS        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 174      
Initial Cost to Company, Buildings and Improvements 3,338      
Subsequent Additions 215      
Gross Carrying Amount at Year-End, Land 174      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,553      
Total 3,727      
Accumulated Depreciation 178      
Indianapolis - Carmel - Anderson [Member] | INDIANA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 855      
Initial Cost to Company, Buildings and Improvements 7,273      
Subsequent Additions 18      
Gross Carrying Amount at Year-End, Land 855      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,291      
Total 8,146      
Accumulated Depreciation 740      
Indianapolis - Carmel - Anderson - Property Two [Member] | INDIANA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 815      
Initial Cost to Company, Buildings and Improvements 3,844      
Subsequent Additions 11      
Gross Carrying Amount at Year-End, Land 815      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,855      
Total 4,670      
Accumulated Depreciation 485      
Indianapolis - Carmel - Anderson - Property Three [Member] | INDIANA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 688      
Initial Cost to Company, Buildings and Improvements 3,845      
Subsequent Additions 16      
Gross Carrying Amount at Year-End, Land 688      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,861      
Total 4,549      
Accumulated Depreciation 490      
Indianapolis - Carmel - Anderson - Property Four [Member] | INDIANA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 626      
Initial Cost to Company, Buildings and Improvements 4,049      
Subsequent Additions 36      
Gross Carrying Amount at Year-End, Land 626      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,085      
Total 4,711      
Accumulated Depreciation 455      
Indianapolis - Carmel - Anderson - Property Five [Member] | INDIANA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,118      
Initial Cost to Company, Buildings and Improvements 4,444      
Subsequent Additions 278      
Gross Carrying Amount at Year-End, Land 1,118      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,722      
Total 5,840      
Accumulated Depreciation 668      
Indianapolis - Carmel - Anderson - Property Six [Member] | INDIANA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 614      
Initial Cost to Company, Buildings and Improvements 5,487      
Subsequent Additions 39      
Gross Carrying Amount at Year-End, Land 614      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,526      
Total 6,140      
Accumulated Depreciation 544      
Indianapolis - Carmel - Anderson - Property Seven [Member] | INDIANA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 619      
Initial Cost to Company, Buildings and Improvements 2,140      
Subsequent Additions 18      
Gross Carrying Amount at Year-End, Land 619      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,158      
Total 2,777      
Accumulated Depreciation 265      
Indianapolis - Carmel - Anderson - Property Eight [Member] | INDIANA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 689      
Initial Cost to Company, Buildings and Improvements 6,944      
Subsequent Additions 38      
Gross Carrying Amount at Year-End, Land 689      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,982      
Total 7,671      
Accumulated Depreciation 516      
Indianapolis - Carmel - Anderson - Property Nine [Member] | INDIANA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 609      
Initial Cost to Company, Buildings and Improvements 3,172      
Subsequent Additions 39      
Gross Carrying Amount at Year-End, Land 609      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,211      
Total 3,820      
Accumulated Depreciation 326      
Indianapolis - Carmel - Anderson - Property Ten [Member] | INDIANA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 532      
Initial Cost to Company, Buildings and Improvements 5,441      
Subsequent Additions 21      
Gross Carrying Amount at Year-End, Land 532      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,462      
Total 5,994      
Accumulated Depreciation 401      
Indianapolis - Carmel - Anderson - Property Eleven [Member] | INDIANA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 433      
Initial Cost to Company, Buildings and Improvements 5,817      
Subsequent Additions 20      
Gross Carrying Amount at Year-End, Land 433      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,837      
Total 6,270      
Accumulated Depreciation 409      
Indianapolis - Carmel - Anderson - Property Twelve [Member] | INDIANA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 688      
Initial Cost to Company, Buildings and Improvements 5,413      
Subsequent Additions 33      
Gross Carrying Amount at Year-End, Land 688      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,446      
Total 6,134      
Accumulated Depreciation 463      
Indianapolis - Carmel - Anderson - Property Thirteen [Member] | INDIANA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 575      
Initial Cost to Company, Buildings and Improvements 5,168      
Subsequent Additions 65      
Gross Carrying Amount at Year-End, Land 575      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,233      
Total 5,808      
Accumulated Depreciation 415      
Indianapolis - Carmel - Anderson - Property Fourteen [Member] | INDIANA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 522      
Initial Cost to Company, Buildings and Improvements 5,366      
Subsequent Additions 23      
Gross Carrying Amount at Year-End, Land 522      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,389      
Total 5,911      
Accumulated Depreciation 404      
Indianapolis - Carmel - Anderson - Property Fifteen [Member] | INDIANA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 528      
Initial Cost to Company, Buildings and Improvements 2,877      
Subsequent Additions 9      
Gross Carrying Amount at Year-End, Land 528      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,886      
Total 3,414      
Accumulated Depreciation 172      
Indianapolis - Carmel - Anderson - Property Sixteen [Member] | INDIANA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,257      
Initial Cost to Company, Buildings and Improvements 6,694      
Subsequent Additions 20      
Gross Carrying Amount at Year-End, Land 1,257      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,714      
Total 7,971      
Accumulated Depreciation 333      
Kansas City, Property One [Member] | KANSAS        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 816      
Initial Cost to Company, Buildings and Improvements 5,432      
Subsequent Additions 124      
Gross Carrying Amount at Year-End, Land 816      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,556      
Total 6,372      
Accumulated Depreciation 283      
Kansas City, Property Two [Member] | KANSAS        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 975      
Initial Cost to Company, Buildings and Improvements 6,967      
Subsequent Additions 171      
Gross Carrying Amount at Year-End, Land 975      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,138      
Total 8,113      
Accumulated Depreciation 382      
Kansas City, Property Three [Member] | KANSAS        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 719      
Initial Cost to Company, Buildings and Improvements 5,143      
Subsequent Additions 167      
Gross Carrying Amount at Year-End, Land 719      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,310      
Total 6,029      
Accumulated Depreciation 241      
Kansas City, Property Four [Member] | KANSAS        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 521      
Initial Cost to Company, Buildings and Improvements 5,168      
Subsequent Additions 125      
Gross Carrying Amount at Year-End, Land 521      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,293      
Total 5,814      
Accumulated Depreciation 155      
Kansas City, Property Five [Member] | KANSAS        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 640      
Initial Cost to Company, Buildings and Improvements 3,367      
Subsequent Additions 120      
Gross Carrying Amount at Year-End, Land 640      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,487      
Total 4,127      
Accumulated Depreciation 91      
Kansas City, Property Six [Member] | KANSAS        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 533      
Initial Cost to Company, Buildings and Improvements 3,138      
Subsequent Additions 94      
Gross Carrying Amount at Year-End, Land 533      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,232      
Total 3,765      
Accumulated Depreciation 81      
Kansas City, Property Seven [Member] | KANSAS        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 499      
Initial Cost to Company, Buildings and Improvements 4,041      
Subsequent Additions 111      
Gross Carrying Amount at Year-End, Land 499      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,152      
Total 4,651      
Accumulated Depreciation 107      
Kansas City, Property Eight [Member] | KANSAS        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 724      
Initial Cost to Company, Buildings and Improvements 4,245      
Subsequent Additions 124      
Gross Carrying Amount at Year-End, Land 724      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,369      
Total 5,093      
Accumulated Depreciation 102      
Wichita [Member] | KANSAS        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,156      
Initial Cost to Company, Buildings and Improvements 5,662      
Subsequent Additions 142      
Gross Carrying Amount at Year-End, Land 1,156      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,804      
Total 6,960      
Accumulated Depreciation 185      
Wichita - Property Two [Member] | KANSAS        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 721      
Initial Cost to Company, Buildings and Improvements 3,395      
Subsequent Additions 116      
Gross Carrying Amount at Year-End, Land 721      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,511      
Total 4,232      
Accumulated Depreciation 112      
Wichita - Property Three [Member] | KANSAS        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 443      
Initial Cost to Company, Buildings and Improvements 3,635      
Subsequent Additions 77      
Gross Carrying Amount at Year-End, Land 443      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,712      
Total 4,155      
Accumulated Depreciation 111      
Wichita - Property Four [Member] | KANSAS        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 630      
Initial Cost to Company, Buildings and Improvements 7,264      
Subsequent Additions 104      
Gross Carrying Amount at Year-End, Land 630      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,368      
Total 7,998      
Accumulated Depreciation 181      
Wichita - Property Five [Member] | KANSAS        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 430      
Initial Cost to Company, Buildings and Improvements 1,740      
Subsequent Additions 63      
Gross Carrying Amount at Year-End, Land 430      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,803      
Total 2,233      
Accumulated Depreciation 57      
Wichita - Property Six [Member] | KANSAS        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 655      
Initial Cost to Company, Buildings and Improvements 1,831      
Subsequent Additions 136      
Gross Carrying Amount at Year-End, Land 655      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,967      
Total 2,622      
Accumulated Depreciation 53      
Wichita - Property Seven [Member] | KANSAS        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 393      
Initial Cost to Company, Buildings and Improvements 3,950      
Subsequent Additions 143      
Gross Carrying Amount at Year-End, Land 393      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,093      
Total 4,486      
Accumulated Depreciation 102      
Wichita - Property Eight [Member] | KANSAS        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,353      
Initial Cost to Company, Buildings and Improvements 2,241      
Subsequent Additions 37      
Gross Carrying Amount at Year-End, Land 1,353      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,278      
Total 3,631      
Accumulated Depreciation 51      
Louisville - Jefferson County [Member] | Kentucky [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,174      
Initial Cost to Company, Buildings and Improvements 3,667      
Subsequent Additions 39      
Gross Carrying Amount at Year-End, Land 2,174      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,706      
Total 5,880      
Accumulated Depreciation 512      
Baton Rouge [Member] | Louisiana [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 386      
Initial Cost to Company, Buildings and Improvements 1,744      
Subsequent Additions 73      
Gross Carrying Amount at Year-End, Land 386      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,817      
Total 2,203      
Accumulated Depreciation 192      
Baton Rouge - Property Two [Member] | Louisiana [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,098      
Initial Cost to Company, Buildings and Improvements 5,208      
Subsequent Additions 517      
Gross Carrying Amount at Year-End, Land 1,098      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,725      
Total 6,823      
Accumulated Depreciation 646      
Baton Rouge - Property Three [Member] | Louisiana [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,203      
Initial Cost to Company, Buildings and Improvements 3,156      
Subsequent Additions 226      
Gross Carrying Amount at Year-End, Land 1,203      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,382      
Total 4,585      
Accumulated Depreciation 376      
Baton Rouge - Property Four [Member] | Louisiana [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 755      
Initial Cost to Company, Buildings and Improvements 2,702      
Subsequent Additions 272      
Gross Carrying Amount at Year-End, Land 755      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,974      
Total 3,729      
Accumulated Depreciation 324      
New Orleans - Metairie [Member] | Louisiana [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,287      
Initial Cost to Company, Buildings and Improvements 6,235      
Subsequent Additions 131      
Gross Carrying Amount at Year-End, Land 1,287      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,366      
Total 7,653      
Accumulated Depreciation 634      
Shreveport - Bossier City [Member] | Louisiana [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 971      
Initial Cost to Company, Buildings and Improvements 3,474      
Subsequent Additions 54      
Gross Carrying Amount at Year-End, Land 1,549      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,938      
Total 6,487      
Accumulated Depreciation 548      
Shreveport - Bossier City, Property Two [Member] | Louisiana [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 964      
Initial Cost to Company, Buildings and Improvements 3,573      
Subsequent Additions 40      
Gross Carrying Amount at Year-End, Land 964      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,613      
Total 4,577      
Accumulated Depreciation 600      
Shreveport - Bossier City, Property Three [Member] | Louisiana [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 772      
Initial Cost to Company, Buildings and Improvements 2,906      
Subsequent Additions 31      
Gross Carrying Amount at Year-End, Land 772      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,937      
Total 3,709      
Accumulated Depreciation 484      
Shreveport - Bossier City, Property Four [Member] | Louisiana [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 479      
Initial Cost to Company, Buildings and Improvements 1,439      
Subsequent Additions 39      
Gross Carrying Amount at Year-End, Land 479      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,478      
Total 1,957      
Accumulated Depreciation 256      
Shreveport - Bossier City, Property Five [Member] | Louisiana [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 475      
Initial Cost to Company, Buildings and Improvements 854      
Subsequent Additions 45      
Gross Carrying Amount at Year-End, Land 475      
Gross Carrying Amount at Year-End, Buildings and Improvements 899      
Total 1,374      
Accumulated Depreciation 189      
Shreveport - Bossier City, Property Six [Member] | Louisiana [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 645      
Initial Cost to Company, Buildings and Improvements 2,004      
Subsequent Additions 7      
Gross Carrying Amount at Year-End, Land 645      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,011      
Total 2,656      
Accumulated Depreciation 165      
Shreveport - Bossier City, Property Seven [Member] | Louisiana [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 654      
Initial Cost to Company, Buildings and Improvements 3,589      
Subsequent Additions 27      
Gross Carrying Amount at Year-End, Land 654      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,616      
Total 4,270      
Accumulated Depreciation 163      
Shreveport - Bossier City, Property Eight [Member] | Louisiana [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 906      
Initial Cost to Company, Buildings and Improvements 3,618      
Subsequent Additions 34      
Gross Carrying Amount at Year-End, Land 906      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,652      
Total 4,558      
Accumulated Depreciation 181      
Shreveport - Bossier City, Property Nine [Member] | Louisiana [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 0      
Initial Cost to Company, Buildings and Improvements 5,113      
Subsequent Additions 24      
Gross Carrying Amount at Year-End, Land 0      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,137      
Total 5,137      
Accumulated Depreciation 196      
Worchester [Member] | MASSACHUSETTS        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 414      
Initial Cost to Company, Buildings and Improvements 4,122      
Subsequent Additions 47      
Gross Carrying Amount at Year-End, Land 414      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,169      
Total 4,583      
Accumulated Depreciation 237      
California - Lexington Park [Member] | MARYLAND        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 827      
Initial Cost to Company, Buildings and Improvements 4,936      
Subsequent Additions 72      
Gross Carrying Amount at Year-End, Land 827      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,008      
Total 5,835      
Accumulated Depreciation 189      
Gulfport - Biloxi - Pascagoula [Member] | Mississippi [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 645      
Initial Cost to Company, Buildings and Improvements 2,413      
Subsequent Additions 253      
Gross Carrying Amount at Year-End, Land 645      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,666      
Total 3,311      
Accumulated Depreciation 428      
Meridian [Member] | Mississippi [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 224      
Initial Cost to Company, Buildings and Improvements 1,052      
Subsequent Additions 144      
Gross Carrying Amount at Year-End, Land 224      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,196      
Total 1,420      
Accumulated Depreciation 298      
Meridian, Property Two [Member] | Mississippi [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 382      
Initial Cost to Company, Buildings and Improvements 803      
Subsequent Additions 196      
Gross Carrying Amount at Year-End, Land 382      
Gross Carrying Amount at Year-End, Buildings and Improvements 999      
Total 1,381      
Accumulated Depreciation 254      
Charlotte - Concord - Gastonia [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,871      
Initial Cost to Company, Buildings and Improvements 4,174      
Subsequent Additions 72      
Gross Carrying Amount at Year-End, Land 1,871      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,246      
Total 6,117      
Accumulated Depreciation 589      
Charlotte - Concord - Gastonia, Property Two [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,108      
Initial Cost to Company, Buildings and Improvements 3,935      
Subsequent Additions 71      
Gross Carrying Amount at Year-End, Land 1,108      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,006      
Total 5,114      
Accumulated Depreciation 565      
Charlotte - Concord - Gastonia, Property Three [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,301      
Initial Cost to Company, Buildings and Improvements 4,458      
Subsequent Additions 208      
Gross Carrying Amount at Year-End, Land 2,301      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,666      
Total 6,967      
Accumulated Depreciation 713      
Charlotte - Concord - Gastonia, Property Four [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,862      
Initial Cost to Company, Buildings and Improvements 3,297      
Subsequent Additions 95      
Gross Carrying Amount at Year-End, Land 1,862      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,392      
Total 5,254      
Accumulated Depreciation 533      
Durham - Chapel Hill [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,711      
Initial Cost to Company, Buildings and Improvements 4,180      
Subsequent Additions 30      
Gross Carrying Amount at Year-End, Land 1,711      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,210      
Total 5,921      
Accumulated Depreciation 529      
Durham - Chapel Hill, Property Two [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 390      
Initial Cost to Company, Buildings and Improvements 1,025      
Subsequent Additions 219      
Gross Carrying Amount at Year-End, Land 390      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,244      
Total 1,634      
Accumulated Depreciation 387      
Durham - Chapel Hill, Property Three [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 663      
Initial Cost to Company, Buildings and Improvements 2,743      
Subsequent Additions 228      
Gross Carrying Amount at Year-End, Land 663      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,971      
Total 3,634      
Accumulated Depreciation 887      
Durham - Chapel Hill, Property Four [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,024      
Initial Cost to Company, Buildings and Improvements 1,383      
Subsequent Additions 388      
Gross Carrying Amount at Year-End, Land 1,024      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,771      
Total 2,795      
Accumulated Depreciation 519      
Fayetteville [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,195      
Initial Cost to Company, Buildings and Improvements 2,072      
Subsequent Additions 18      
Gross Carrying Amount at Year-End, Land 1,195      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,090      
Total 3,285      
Accumulated Depreciation 253      
Fayetteville, Property Two [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 830      
Initial Cost to Company, Buildings and Improvements 3,710      
Subsequent Additions 39      
Gross Carrying Amount at Year-End, Land 830      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,749      
Total 4,579      
Accumulated Depreciation 375      
Fayetteville, Property Three [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 636      
Initial Cost to Company, Buildings and Improvements 2,169      
Subsequent Additions 1,671      
Gross Carrying Amount at Year-End, Land 636      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,840      
Total 4,476      
Accumulated Depreciation 1,093      
Fayetteville, Property Four [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 151      
Initial Cost to Company, Buildings and Improvements 5,392      
Subsequent Additions 360      
Gross Carrying Amount at Year-End, Land 151      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,752      
Total 5,903      
Accumulated Depreciation 1,614      
Fayetteville, Property Five [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,319      
Initial Cost to Company, Buildings and Improvements 3,444      
Subsequent Additions 24      
Gross Carrying Amount at Year-End, Land 1,319      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,468      
Total 4,787      
Accumulated Depreciation 660      
Fayetteville, Property Six [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 772      
Initial Cost to Company, Buildings and Improvements 3,406      
Subsequent Additions 30      
Gross Carrying Amount at Year-End, Land 772      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,436      
Total 4,208      
Accumulated Depreciation 545      
Fayetteville, Property Seven [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,276      
Initial Cost to Company, Buildings and Improvements 4,527      
Subsequent Additions 42      
Gross Carrying Amount at Year-End, Land 1,276      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,569      
Total 5,845      
Accumulated Depreciation 660      
Greensboro - High Point [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 873      
Initial Cost to Company, Buildings and Improvements 769      
Subsequent Additions 204      
Gross Carrying Amount at Year-End, Land 873      
Gross Carrying Amount at Year-End, Buildings and Improvements 973      
Total 1,846      
Accumulated Depreciation 327      
Nonmetropolitan Area [Member] | MARYLAND        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 965      
Initial Cost to Company, Buildings and Improvements 6,738      
Subsequent Additions 118      
Gross Carrying Amount at Year-End, Land 965      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,856      
Total 7,821      
Accumulated Depreciation 438      
Nonmetropolitan Area [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 530      
Initial Cost to Company, Buildings and Improvements 2,394      
Subsequent Additions 8      
Gross Carrying Amount at Year-End, Land 530      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,402      
Total 2,932      
Accumulated Depreciation 372      
Nonmetropolitan Area [Member] | New Hampshire [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,053      
Initial Cost to Company, Buildings and Improvements 5,425      
Subsequent Additions 49      
Gross Carrying Amount at Year-End, Land 2,053      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,474      
Total 7,527      
Accumulated Depreciation 357      
Nonmetropolitan Area, Property Two [Member] | MARYLAND        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 550      
Initial Cost to Company, Buildings and Improvements 2,409      
Subsequent Additions 77      
Gross Carrying Amount at Year-End, Land 550      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,486      
Total 3,036      
Accumulated Depreciation 168      
Nonmetropolitan Area, Property Two [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 667      
Initial Cost to Company, Buildings and Improvements 2,066      
Subsequent Additions 16      
Gross Carrying Amount at Year-End, Land 667      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,082      
Total 2,749      
Accumulated Depreciation 341      
Kansas City, Property Nine [Member] | MISSOURI        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 541      
Initial Cost to Company, Buildings and Improvements 4,874      
Subsequent Additions 199      
Gross Carrying Amount at Year-End, Land 541      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,073      
Total 5,614      
Accumulated Depreciation 135      
Kansas City, Property Ten [Member] | MISSOURI        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 461      
Initial Cost to Company, Buildings and Improvements 5,341      
Subsequent Additions 107      
Gross Carrying Amount at Year-End, Land 461      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,448      
Total 5,909      
Accumulated Depreciation 131      
Kansas City, Property Eleven [Member] | MISSOURI        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 341      
Initial Cost to Company, Buildings and Improvements 3,748      
Subsequent Additions 171      
Gross Carrying Amount at Year-End, Land 341      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,919      
Total 4,260      
Accumulated Depreciation 98      
St. Louis, Property Five [Member] | MISSOURI        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,675      
Initial Cost to Company, Buildings and Improvements 10,606      
Subsequent Additions 2      
Gross Carrying Amount at Year-End, Land 1,675      
Gross Carrying Amount at Year-End, Buildings and Improvements 10,608      
Total 12,283      
Accumulated Depreciation 135      
St. Louis, Property Six [Member] | MISSOURI        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 352      
Initial Cost to Company, Buildings and Improvements 7,100      
Subsequent Additions 260      
Gross Carrying Amount at Year-End, Land 352      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,360      
Total 7,712      
Accumulated Depreciation 409      
St. Louis, Property Seven [Member] | MISSOURI        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 163      
Initial Cost to Company, Buildings and Improvements 1,025      
Subsequent Additions 52      
Gross Carrying Amount at Year-End, Land 163      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,077      
Total 1,240      
Accumulated Depreciation 64      
St. Louis, Property Eight [Member] | MISSOURI        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 354      
Initial Cost to Company, Buildings and Improvements 4,034      
Subsequent Additions 173      
Gross Carrying Amount at Year-End, Land 354      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,207      
Total 4,561      
Accumulated Depreciation 233      
Nonmetropolitan Area, Property Three [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 689      
Initial Cost to Company, Buildings and Improvements 3,153      
Subsequent Additions 32      
Gross Carrying Amount at Year-End, Land 689      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,185      
Total 3,874      
Accumulated Depreciation 449      
Nonmetropolitan Area, Property Four [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,093      
Initial Cost to Company, Buildings and Improvements 2,045      
Subsequent Additions 59      
Gross Carrying Amount at Year-End, Land 2,093      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,104      
Total 4,197      
Accumulated Depreciation 170      
Nonmetropolitan Area, Property Five [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 173      
Initial Cost to Company, Buildings and Improvements 2,193      
Subsequent Additions 33      
Gross Carrying Amount at Year-End, Land 173      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,226      
Total 2,399      
Accumulated Depreciation 58      
Raleigh - Cary [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 396      
Initial Cost to Company, Buildings and Improvements 1,700      
Subsequent Additions 174      
Gross Carrying Amount at Year-End, Land 396      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,874      
Total 2,270      
Accumulated Depreciation 589      
Raleigh - Cary, Property Two [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 393      
Initial Cost to Company, Buildings and Improvements 1,190      
Subsequent Additions 190      
Gross Carrying Amount at Year-End, Land 393      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,380      
Total 1,773      
Accumulated Depreciation 414      
Raleigh - Cary, Property Three [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 907      
Initial Cost to Company, Buildings and Improvements 2,913      
Subsequent Additions 129      
Gross Carrying Amount at Year-End, Land 907      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,042      
Total 3,949      
Accumulated Depreciation 890      
Raleigh - Cary, Property Four [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,578      
Initial Cost to Company, Buildings and Improvements 4,678      
Subsequent Additions 92      
Gross Carrying Amount at Year-End, Land 1,578      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,770      
Total 6,348      
Accumulated Depreciation 588      
Wilmington [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,881      
Initial Cost to Company, Buildings and Improvements 4,618      
Subsequent Additions 52      
Gross Carrying Amount at Year-End, Land 1,881      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,670      
Total 6,551      
Accumulated Depreciation 608      
Wilmington, Property Two [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,283      
Initial Cost to Company, Buildings and Improvements 1,747      
Subsequent Additions 256      
Gross Carrying Amount at Year-End, Land 1,141      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,003      
Total 3,144      
Accumulated Depreciation 553      
Wilmington, Property Three [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 860      
Initial Cost to Company, Buildings and Improvements 828      
Subsequent Additions 85      
Gross Carrying Amount at Year-End, Land 860      
Gross Carrying Amount at Year-End, Buildings and Improvements 913      
Total 1,773      
Accumulated Depreciation 273      
Wilmington, Property Four [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,720      
Initial Cost to Company, Buildings and Improvements 9,032      
Subsequent Additions 0      
Gross Carrying Amount at Year-End, Land 1,720      
Gross Carrying Amount at Year-End, Buildings and Improvements 9,032      
Total 10,752      
Accumulated Depreciation 37      
Wilmington, Property Five [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,021      
Initial Cost to Company, Buildings and Improvements 8,136      
Subsequent Additions 0      
Gross Carrying Amount at Year-End, Land 2,021      
Gross Carrying Amount at Year-End, Buildings and Improvements 8,136      
Total 10,157      
Accumulated Depreciation 36      
Wilmington, Property Six [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 3,083      
Initial Cost to Company, Buildings and Improvements 12,487      
Subsequent Additions 0      
Gross Carrying Amount at Year-End, Land 3,083      
Gross Carrying Amount at Year-End, Buildings and Improvements 12,487      
Total 15,570      
Accumulated Depreciation 47      
Winston - Salem [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 362      
Initial Cost to Company, Buildings and Improvements 529      
Subsequent Additions 74      
Gross Carrying Amount at Year-End, Land 362      
Gross Carrying Amount at Year-End, Buildings and Improvements 603      
Total 965      
Accumulated Depreciation 191      
Concord [Member] | New Hampshire [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 899      
Initial Cost to Company, Buildings and Improvements 3,863      
Subsequent Additions 43      
Gross Carrying Amount at Year-End, Land 899      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,906      
Total 4,805      
Accumulated Depreciation 446      
Concord, Property Two [Member] | New Hampshire [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 632      
Initial Cost to Company, Buildings and Improvements 1,040      
Subsequent Additions 45      
Gross Carrying Amount at Year-End, Land 632      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,085      
Total 1,717      
Accumulated Depreciation 404      
Dover - Durham [Member] | New Hampshire [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 197      
Initial Cost to Company, Buildings and Improvements 901      
Subsequent Additions 24      
Gross Carrying Amount at Year-End, Land 197      
Gross Carrying Amount at Year-End, Buildings and Improvements 925      
Total 1,122      
Accumulated Depreciation 318      
Boston - Cambridge - Quincy [Member] | New Hampshire [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,488      
Initial Cost to Company, Buildings and Improvements 7,300      
Subsequent Additions 94      
Gross Carrying Amount at Year-End, Land 1,488      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,394      
Total 8,882      
Accumulated Depreciation 1,331      
Manchester - Nashua [Member] | New Hampshire [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,786      
Initial Cost to Company, Buildings and Improvements 6,100      
Subsequent Additions 23      
Gross Carrying Amount at Year-End, Land 1,786      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,123      
Total 7,909      
Accumulated Depreciation 631      
Manchester - Nashua - Property Two [Member] | New Hampshire [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,395      
Initial Cost to Company, Buildings and Improvements 5,573      
Subsequent Additions 34      
Gross Carrying Amount at Year-End, Land 1,395      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,607      
Total 7,002      
Accumulated Depreciation 534      
Greater New Hampshire [Member] | New Hampshire [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,528      
Initial Cost to Company, Buildings and Improvements 2,686      
Subsequent Additions 21      
Gross Carrying Amount at Year-End, Land 1,528      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,707      
Total 4,235      
Accumulated Depreciation 384      
Rockingham County - Strafford County [Member] | New Hampshire [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,597      
Initial Cost to Company, Buildings and Improvements 3,138      
Subsequent Additions 75      
Gross Carrying Amount at Year-End, Land 1,597      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,213      
Total 4,810      
Accumulated Depreciation 388      
Rockingham County - Strafford County - Property Two [Member] | New Hampshire [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,445      
Initial Cost to Company, Buildings and Improvements 2,957      
Subsequent Additions 60      
Gross Carrying Amount at Year-End, Land 1,445      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,017      
Total 4,462      
Accumulated Depreciation 384      
Albuquerque [Member] | NEW MEXICO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,089      
Initial Cost to Company, Buildings and Improvements 2,845      
Subsequent Additions 170      
Gross Carrying Amount at Year-End, Land 1,089      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,015      
Total 4,104      
Accumulated Depreciation 411      
Albuquerque - Property Two [Member] | NEW MEXICO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 854      
Initial Cost to Company, Buildings and Improvements 3,436      
Subsequent Additions 81      
Gross Carrying Amount at Year-End, Land 854      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,517      
Total 4,371      
Accumulated Depreciation 323      
Carson City [Member] | Nevada [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 985      
Initial Cost to Company, Buildings and Improvements 1,438      
Subsequent Additions 0      
Gross Carrying Amount at Year-End, Land 985      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,438      
Total 2,423      
Accumulated Depreciation 3      
Las Vegas - Henderson - Paradise [Member] | Nevada [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,757      
Initial Cost to Company, Buildings and Improvements 4,223      
Subsequent Additions 58      
Gross Carrying Amount at Year-End, Land 1,757      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,281      
Total 6,038      
Accumulated Depreciation 434      
Las Vegas - Henderson - Paradise - Property Two [Member] | Nevada [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,121      
Initial Cost to Company, Buildings and Improvements 1,510      
Subsequent Additions 108      
Gross Carrying Amount at Year-End, Land 1,121      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,618      
Total 2,739      
Accumulated Depreciation 208      
Las Vegas - Henderson - Paradise - Property Three [Member] | Nevada [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,160      
Initial Cost to Company, Buildings and Improvements 4,544      
Subsequent Additions 236      
Gross Carrying Amount at Year-End, Land 2,160      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,780      
Total 6,940      
Accumulated Depreciation 346      
Las Vegas - Henderson - Paradise - Property Four [Member] | Nevada [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,047      
Initial Cost to Company, Buildings and Improvements 7,413      
Subsequent Additions 280      
Gross Carrying Amount at Year-End, Land 1,047      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,693      
Total 8,740      
Accumulated Depreciation 193      
Las Vegas - Paradise [Member] | Nevada [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,169      
Initial Cost to Company, Buildings and Improvements 3,616      
Subsequent Additions 205      
Gross Carrying Amount at Year-End, Land 1,169      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,821      
Total 4,990      
Accumulated Depreciation 1,193      
Las Vegas - Paradise, Property Two [Member] | Nevada [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 389      
Initial Cost to Company, Buildings and Improvements 2,850      
Subsequent Additions 75      
Gross Carrying Amount at Year-End, Land 389      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,925      
Total 3,314      
Accumulated Depreciation 606      
Las Vegas - Paradise, Property Three [Member] | Nevada [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 794      
Initial Cost to Company, Buildings and Improvements 1,406      
Subsequent Additions 119      
Gross Carrying Amount at Year-End, Land 794      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,525      
Total 2,319      
Accumulated Depreciation 406      
Las Vegas - Paradise, Property Four [Member] | Nevada [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,362      
Initial Cost to Company, Buildings and Improvements 8,445      
Subsequent Additions 123      
Gross Carrying Amount at Year-End, Land 2,362      
Gross Carrying Amount at Year-End, Buildings and Improvements 8,568      
Total 10,930      
Accumulated Depreciation 366      
Las Vegas - Paradise, Property Five [Member] | Nevada [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,157      
Initial Cost to Company, Buildings and Improvements 2,753      
Subsequent Additions 84      
Gross Carrying Amount at Year-End, Land 2,157      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,837      
Total 4,994      
Accumulated Depreciation 172      
Las Vegas - Paradise, Property Six [Member] | Nevada [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,296      
Initial Cost to Company, Buildings and Improvements 8,039      
Subsequent Additions 215      
Gross Carrying Amount at Year-End, Land 1,296      
Gross Carrying Amount at Year-End, Buildings and Improvements 8,254      
Total 9,550      
Accumulated Depreciation 334      
Las Vegas - Paradise, Property Seven [Member] | Nevada [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 828      
Initial Cost to Company, Buildings and Improvements 2,030      
Subsequent Additions 263      
Gross Carrying Amount at Year-End, Land 828      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,293      
Total 3,121      
Accumulated Depreciation 147      
Las Vegas - Paradise, Property Eight [Member] | Nevada [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 3,864      
Initial Cost to Company, Buildings and Improvements 2,870      
Subsequent Additions 444      
Gross Carrying Amount at Year-End, Land 3,976      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,314      
Total 7,290      
Accumulated Depreciation 264      
Canton - Massillon [Member] | OHIO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 83      
Initial Cost to Company, Buildings and Improvements 2,911      
Subsequent Additions 45      
Gross Carrying Amount at Year-End, Land 83      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,956      
Total 3,039      
Accumulated Depreciation 253      
Canton - Massillon - Property Two [Member] | OHIO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 292      
Initial Cost to Company, Buildings and Improvements 2,107      
Subsequent Additions 54      
Gross Carrying Amount at Year-End, Land 292      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,161      
Total 2,453      
Accumulated Depreciation 380      
Cincinnati [Member] | OHIO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,059      
Initial Cost to Company, Buildings and Improvements 11,660      
Subsequent Additions 41      
Gross Carrying Amount at Year-End, Land 2,059      
Gross Carrying Amount at Year-End, Buildings and Improvements 11,701      
Total 13,760      
Accumulated Depreciation 142      
Cleveland - Elyria [Member] | OHIO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 169      
Initial Cost to Company, Buildings and Improvements 2,702      
Subsequent Additions 42      
Gross Carrying Amount at Year-End, Land 169      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,744      
Total 2,913      
Accumulated Depreciation 223      
Cleveland - Elyria - Property Two [Member] | OHIO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 193      
Initial Cost to Company, Buildings and Improvements 3,323      
Subsequent Additions 36      
Gross Carrying Amount at Year-End, Land 193      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,359      
Total 3,552      
Accumulated Depreciation 246      
Cleveland - Elyria - Property Three [Member] | OHIO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 490      
Initial Cost to Company, Buildings and Improvements 1,050      
Subsequent Additions 26      
Gross Carrying Amount at Year-End, Land 490      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,076      
Total 1,566      
Accumulated Depreciation 141      
Cleveland - Elyria - Property Four [Member] | OHIO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 845      
Initial Cost to Company, Buildings and Improvements 4,916      
Subsequent Additions 32      
Gross Carrying Amount at Year-End, Land 845      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,948      
Total 5,793      
Accumulated Depreciation 425      
Cleveland - Elyria - Property Five [Member] | OHIO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 842      
Initial Cost to Company, Buildings and Improvements 2,044      
Subsequent Additions 27      
Gross Carrying Amount at Year-End, Land 842      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,071      
Total 2,913      
Accumulated Depreciation 284      
Oklahoma City [Member] | Oklahoma [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 388      
Initial Cost to Company, Buildings and Improvements 3,142      
Subsequent Additions 133      
Gross Carrying Amount at Year-End, Land 388      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,275      
Total 3,663      
Accumulated Depreciation 1,010      
Oklahoma City, Property Two [Member] | Oklahoma [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 213      
Initial Cost to Company, Buildings and Improvements 1,383      
Subsequent Additions 78      
Gross Carrying Amount at Year-End, Land 213      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,461      
Total 1,674      
Accumulated Depreciation 449      
Oklahoma City, Property Three [Member] | Oklahoma [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 561      
Initial Cost to Company, Buildings and Improvements 2,355      
Subsequent Additions 440      
Gross Carrying Amount at Year-End, Land 561      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,795      
Total 3,356      
Accumulated Depreciation 955      
Oklahoma City, Property Four [Member] | Oklahoma [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 349      
Initial Cost to Company, Buildings and Improvements 2,368      
Subsequent Additions 458      
Gross Carrying Amount at Year-End, Land 349      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,826      
Total 3,175      
Accumulated Depreciation 940      
Oklahoma City, Property Five [Member] | Oklahoma [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 466      
Initial Cost to Company, Buildings and Improvements 2,544      
Subsequent Additions 107      
Gross Carrying Amount at Year-End, Land 466      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,651      
Total 3,117      
Accumulated Depreciation 804      
Oklahoma City, Property Six [Member] | Oklahoma [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 144      
Initial Cost to Company, Buildings and Improvements 1,576      
Subsequent Additions 148      
Gross Carrying Amount at Year-End, Land 144      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,724      
Total 1,868      
Accumulated Depreciation 569      
Oklahoma City, Property Seven [Member] | Oklahoma [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 168      
Initial Cost to Company, Buildings and Improvements 1,696      
Subsequent Additions 245      
Gross Carrying Amount at Year-End, Land 168      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,941      
Total 2,109      
Accumulated Depreciation 625      
Oklahoma City, Property Eight [Member] | Oklahoma [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 220      
Initial Cost to Company, Buildings and Improvements 1,606      
Subsequent Additions 119      
Gross Carrying Amount at Year-End, Land 220      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,725      
Total 1,945      
Accumulated Depreciation 529      
Oklahoma City, Property Nine [Member] | Oklahoma [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 376      
Initial Cost to Company, Buildings and Improvements 1,460      
Subsequent Additions 42      
Gross Carrying Amount at Year-End, Land 376      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,502      
Total 1,878      
Accumulated Depreciation 445      
Oklahoma City, Property Ten [Member] | Oklahoma [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 337      
Initial Cost to Company, Buildings and Improvements 2,788      
Subsequent Additions 90      
Gross Carrying Amount at Year-End, Land 337      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,878      
Total 3,215      
Accumulated Depreciation 864      
Oklahoma City, Property Eleven [Member] | Oklahoma [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 814      
Initial Cost to Company, Buildings and Improvements 3,161      
Subsequent Additions 1,178      
Gross Carrying Amount at Year-End, Land 814      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,339      
Total 5,153      
Accumulated Depreciation 985      
Oklahoma City, Property Twelve [Member] | Oklahoma [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 590      
Initial Cost to Company, Buildings and Improvements 1,502      
Subsequent Additions 1,753      
Gross Carrying Amount at Year-End, Land 590      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,255      
Total 3,845      
Accumulated Depreciation 891      
Oklahoma City, Property Thirteen [Member] | Oklahoma [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 205      
Initial Cost to Company, Buildings and Improvements 1,772      
Subsequent Additions 461      
Gross Carrying Amount at Year-End, Land 205      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,233      
Total 2,438      
Accumulated Depreciation 722      
Oklahoma City - Property Fourteen [Member] | Oklahoma [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 701      
Initial Cost to Company, Buildings and Improvements 4,926      
Subsequent Additions 2      
Gross Carrying Amount at Year-End, Land 701      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,928      
Total 5,629      
Accumulated Depreciation 373      
Oklahoma City - Property Fifteen [Member] | Oklahoma [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 548      
Initial Cost to Company, Buildings and Improvements 1,892      
Subsequent Additions 110      
Gross Carrying Amount at Year-End, Land 548      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,002      
Total 2,550      
Accumulated Depreciation 583      
Oklahoma City - Property Sixteen [Member] | Oklahoma [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 764      
Initial Cost to Company, Buildings and Improvements 1,386      
Subsequent Additions 427      
Gross Carrying Amount at Year-End, Land 764      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,813      
Total 2,577      
Accumulated Depreciation 555      
Oklahoma City - Property Seventeen [Member] | Oklahoma [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,305      
Initial Cost to Company, Buildings and Improvements 2,533      
Subsequent Additions 159      
Gross Carrying Amount at Year-End, Land 1,305      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,692      
Total 3,997      
Accumulated Depreciation 798      
Tulsa [Member] | Oklahoma [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 940      
Initial Cost to Company, Buildings and Improvements 2,196      
Subsequent Additions 337      
Gross Carrying Amount at Year-End, Land 940      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,533      
Total 3,473      
Accumulated Depreciation 742      
Tulsa, Property Two [Member] | Oklahoma [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 59      
Initial Cost to Company, Buildings and Improvements 466      
Subsequent Additions 342      
Gross Carrying Amount at Year-End, Land 59      
Gross Carrying Amount at Year-End, Buildings and Improvements 808      
Total 867      
Accumulated Depreciation 243      
Tulsa, Property Three [Member] | Oklahoma [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 426      
Initial Cost to Company, Buildings and Improvements 1,424      
Subsequent Additions 288      
Gross Carrying Amount at Year-End, Land 426      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,712      
Total 2,138      
Accumulated Depreciation 574      
Tulsa, Property Four [Member] | Oklahoma [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 250      
Initial Cost to Company, Buildings and Improvements 667      
Subsequent Additions 173      
Gross Carrying Amount at Year-End, Land 250      
Gross Carrying Amount at Year-End, Buildings and Improvements 840      
Total 1,090      
Accumulated Depreciation 273      
Tulsa, Property Five [Member] | Oklahoma [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 944      
Initial Cost to Company, Buildings and Improvements 2,085      
Subsequent Additions 56      
Gross Carrying Amount at Year-End, Land 944      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,141      
Total 3,085      
Accumulated Depreciation 597      
Tulsa, Property Six [Member] | Oklahoma [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 892      
Initial Cost to Company, Buildings and Improvements 2,421      
Subsequent Additions 29      
Gross Carrying Amount at Year-End, Land 892      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,450      
Total 3,342      
Accumulated Depreciation 679      
Tulsa, Property Seven [Member] | Oklahoma [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 492      
Initial Cost to Company, Buildings and Improvements 1,343      
Subsequent Additions 182      
Gross Carrying Amount at Year-End, Land 492      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,525      
Total 2,017      
Accumulated Depreciation 395      
Tulsa, Property Eight [Member] | Oklahoma [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 505      
Initial Cost to Company, Buildings and Improvements 1,346      
Subsequent Additions 725      
Gross Carrying Amount at Year-End, Land 505      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,071      
Total 2,576      
Accumulated Depreciation 742      
Tulsa, Property Nine [Member] | Oklahoma [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 466      
Initial Cost to Company, Buildings and Improvements 1,270      
Subsequent Additions 153      
Gross Carrying Amount at Year-End, Land 466      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,423      
Total 1,889      
Accumulated Depreciation 400      
Tulsa, Property Ten [Member] | Oklahoma [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,103      
Initial Cost to Company, Buildings and Improvements 4,431      
Subsequent Additions 177      
Gross Carrying Amount at Year-End, Land 1,103      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,608      
Total 5,711      
Accumulated Depreciation 1,609      
Tulsa, Property Eleven [Member] | Oklahoma [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,082      
Initial Cost to Company, Buildings and Improvements 4,218      
Subsequent Additions 19      
Gross Carrying Amount at Year-End, Land 1,082      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,237      
Total 5,319      
Accumulated Depreciation 443      
Tulsa, Property Twelve [Member] | Oklahoma [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 736      
Initial Cost to Company, Buildings and Improvements 2,925      
Subsequent Additions 3      
Gross Carrying Amount at Year-End, Land 736      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,928      
Total 3,664      
Accumulated Depreciation 374      
Tulsa, Property Thirteen [Member] | Oklahoma [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,135      
Initial Cost to Company, Buildings and Improvements 3,759      
Subsequent Additions 15      
Gross Carrying Amount at Year-End, Land 1,135      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,774      
Total 4,909      
Accumulated Depreciation 416      
Bend [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 295      
Initial Cost to Company, Buildings and Improvements 1,369      
Subsequent Additions 21      
Gross Carrying Amount at Year-End, Land 295      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,390      
Total 1,685      
Accumulated Depreciation 426      
Bend, Property Two [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,692      
Initial Cost to Company, Buildings and Improvements 2,410      
Subsequent Additions 61      
Gross Carrying Amount at Year-End, Land 1,692      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,471      
Total 4,163      
Accumulated Depreciation 838      
Bend, Property Three [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 571      
Initial Cost to Company, Buildings and Improvements 1,917      
Subsequent Additions 2      
Gross Carrying Amount at Year-End, Land 571      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,919      
Total 2,490      
Accumulated Depreciation 431      
Bend, Property Four [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 397      
Initial Cost to Company, Buildings and Improvements 1,180      
Subsequent Additions 99      
Gross Carrying Amount at Year-End, Land 397      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,279      
Total 1,676      
Accumulated Depreciation 457      
Bend, Property Five [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 690      
Initial Cost to Company, Buildings and Improvements 1,983      
Subsequent Additions 846      
Gross Carrying Amount at Year-End, Land 690      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,829      
Total 3,519      
Accumulated Depreciation 479      
Bend, Property Six [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 722      
Initial Cost to Company, Buildings and Improvements 2,151      
Subsequent Additions 4      
Gross Carrying Amount at Year-End, Land 722      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,155      
Total 2,877      
Accumulated Depreciation 442      
Bend, Property Seven [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 800      
Initial Cost to Company, Buildings and Improvements 2,836      
Subsequent Additions 3      
Gross Carrying Amount at Year-End, Land 800      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,839      
Total 3,639      
Accumulated Depreciation 582      
Bend - Redmond [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,688      
Initial Cost to Company, Buildings and Improvements 10,731      
Subsequent Additions 11      
Gross Carrying Amount at Year-End, Land 2,688      
Gross Carrying Amount at Year-End, Buildings and Improvements 10,742      
Total 13,430      
Accumulated Depreciation 1,086      
Corvallis [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 382      
Initial Cost to Company, Buildings and Improvements 1,465      
Subsequent Additions 2      
Gross Carrying Amount at Year-End, Land 382      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,467      
Total 1,849      
Accumulated Depreciation 387      
Eugene - Springfield [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 710      
Initial Cost to Company, Buildings and Improvements 1,539      
Subsequent Additions 98      
Gross Carrying Amount at Year-End, Land 710      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,637      
Total 2,347      
Accumulated Depreciation 473      
Eugene - Springfield, Property Two [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 842      
Initial Cost to Company, Buildings and Improvements 1,674      
Subsequent Additions 37      
Gross Carrying Amount at Year-End, Land 842      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,711      
Total 2,553      
Accumulated Depreciation 530      
Eugene - Springfield, Property Three [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 414      
Initial Cost to Company, Buildings and Improvements 1,990      
Subsequent Additions 0      
Gross Carrying Amount at Year-End, Land 414      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,990      
Total 2,404      
Accumulated Depreciation 382      
Eugene - Springfield, Property Four [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,149      
Initial Cost to Company, Buildings and Improvements 2,061      
Subsequent Additions 69      
Gross Carrying Amount at Year-End, Land 1,149      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,130      
Total 3,279      
Accumulated Depreciation 495      
Eugene - Springfield, Property Five [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 728      
Initial Cost to Company, Buildings and Improvements 3,230      
Subsequent Additions 108      
Gross Carrying Amount at Year-End, Land 728      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,338      
Total 4,066      
Accumulated Depreciation 575      
Eugene - Springfield, Property Six [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,601      
Initial Cost to Company, Buildings and Improvements 2,686      
Subsequent Additions 109      
Gross Carrying Amount at Year-End, Land 1,601      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,795      
Total 4,396      
Accumulated Depreciation 831      
Hood River [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 997      
Initial Cost to Company, Buildings and Improvements 1,874      
Subsequent Additions 2      
Gross Carrying Amount at Year-End, Land 997      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,876      
Total 2,873      
Accumulated Depreciation 322      
Portland - Vancouver - Hillsboro [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,670      
Initial Cost to Company, Buildings and Improvements 8,709      
Subsequent Additions 53      
Gross Carrying Amount at Year-End, Land 2,670      
Gross Carrying Amount at Year-End, Buildings and Improvements 8,762      
Total 11,432      
Accumulated Depreciation 802      
Portland - Vancouver - Hillsboro [Member] | Washington [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 421      
Initial Cost to Company, Buildings and Improvements 2,313      
Subsequent Additions 2      
Gross Carrying Amount at Year-End, Land 421      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,315      
Total 2,736      
Accumulated Depreciation 474      
Portland - Vancouver - Hillsboro, Property Two [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 771      
Initial Cost to Company, Buildings and Improvements 4,121      
Subsequent Additions 0      
Gross Carrying Amount at Year-End, Land 771      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,121      
Total 4,892      
Accumulated Depreciation 152      
Portland - Vancouver - Hillsboro, Property Two [Member] | Washington [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,903      
Initial Cost to Company, Buildings and Improvements 2,239      
Subsequent Additions 2      
Gross Carrying Amount at Year-End, Land 1,903      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,241      
Total 4,144      
Accumulated Depreciation 584      
Portland - Vancouver - Hillsboro, Property Three [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,002      
Initial Cost to Company, Buildings and Improvements 14,445      
Subsequent Additions 1      
Gross Carrying Amount at Year-End, Land 2,002      
Gross Carrying Amount at Year-End, Buildings and Improvements 14,446      
Total 16,448      
Accumulated Depreciation 610      
Portland - Vancouver - Hillsboro, Property Three [Member] | Washington [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 923      
Initial Cost to Company, Buildings and Improvements 2,821      
Subsequent Additions 8      
Gross Carrying Amount at Year-End, Land 923      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,829      
Total 3,752      
Accumulated Depreciation 571      
Portland - Vancouver - Hillsboro, Property Four [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 851      
Initial Cost to Company, Buildings and Improvements 2,063      
Subsequent Additions 6      
Gross Carrying Amount at Year-End, Land 851      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,069      
Total 2,920      
Accumulated Depreciation 427      
Portland - Vancouver - Hillsboro, Property Four [Member] | Washington [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 935      
Initial Cost to Company, Buildings and Improvements 2,045      
Subsequent Additions 6      
Gross Carrying Amount at Year-End, Land 935      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,051      
Total 2,986      
Accumulated Depreciation 370      
Portland - Vancouver - Hillsboro, Property Five [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,704      
Initial Cost to Company, Buildings and Improvements 2,313      
Subsequent Additions 176      
Gross Carrying Amount at Year-End, Land 1,704      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,489      
Total 4,193      
Accumulated Depreciation 694      
Portland - Vancouver - Hillsboro, Property Five [Member] | Washington [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 478      
Initial Cost to Company, Buildings and Improvements 2,158      
Subsequent Additions 169      
Gross Carrying Amount at Year-End, Land 478      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,327      
Total 2,805      
Accumulated Depreciation 456      
Portland - Vancouver - Hillsboro, Property Six [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,254      
Initial Cost to Company, Buildings and Improvements 2,787      
Subsequent Additions 12      
Gross Carrying Amount at Year-End, Land 1,254      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,799      
Total 4,053      
Accumulated Depreciation 598      
Portland - Vancouver - Hillsboro, Property Six [Member] | Washington [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,023      
Initial Cost to Company, Buildings and Improvements 3,484      
Subsequent Additions 39      
Gross Carrying Amount at Year-End, Land 2,023      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,523      
Total 5,546      
Accumulated Depreciation 722      
Portland - Vancouver - Hillsboro, Property Seven [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,808      
Initial Cost to Company, Buildings and Improvements 4,437      
Subsequent Additions 19      
Gross Carrying Amount at Year-End, Land 2,808      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,456      
Total 7,264      
Accumulated Depreciation 1,171      
Portland - Vancouver - Hillsboro, Property Seven [Member] | Washington [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,870      
Initial Cost to Company, Buildings and Improvements 4,632      
Subsequent Additions 2      
Gross Carrying Amount at Year-End, Land 1,870      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,634      
Total 6,504      
Accumulated Depreciation 369      
Portland - Vancouver - Hillsboro, Property Forty [Member] | Washington [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 422      
Initial Cost to Company, Buildings and Improvements 2,271      
Subsequent Additions 1      
Gross Carrying Amount at Year-End, Land 422      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,272      
Total 2,694      
Accumulated Depreciation 69      
Portland - Vancouver - Hillsboro, Property Eight [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,015      
Initial Cost to Company, Buildings and Improvements 2,184      
Subsequent Additions 3      
Gross Carrying Amount at Year-End, Land 1,015      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,187      
Total 3,202      
Accumulated Depreciation 495      
Portland - Vancouver - Hillsboro, Property Nine [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,077      
Initial Cost to Company, Buildings and Improvements 3,008      
Subsequent Additions 170      
Gross Carrying Amount at Year-End, Land 1,077      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,178      
Total 4,255      
Accumulated Depreciation 587      
Portland - Vancouver - Hillsboro, Property Ten [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,072      
Initial Cost to Company, Buildings and Improvements 2,629      
Subsequent Additions 19      
Gross Carrying Amount at Year-End, Land 1,072      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,648      
Total 3,720      
Accumulated Depreciation 655      
Portland - Vancouver - Hillsboro, Property Eleven [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,217      
Initial Cost to Company, Buildings and Improvements 3,766      
Subsequent Additions 15      
Gross Carrying Amount at Year-End, Land 2,217      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,781      
Total 5,998      
Accumulated Depreciation 766      
Portland - Vancouver - Hillsboro, Property Twelve [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,334      
Initial Cost to Company, Buildings and Improvements 2,324      
Subsequent Additions 127      
Gross Carrying Amount at Year-End, Land 1,334      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,451      
Total 3,785      
Accumulated Depreciation 587      
Portland - Vancouver - Hillsboro, Property Thirteen [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 996      
Initial Cost to Company, Buildings and Improvements 2,525      
Subsequent Additions 126      
Gross Carrying Amount at Year-End, Land 996      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,651      
Total 3,647      
Accumulated Depreciation 615      
Portland - Vancouver - Hillsboro, Property Fourteen [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,496      
Initial Cost to Company, Buildings and Improvements 3,372      
Subsequent Additions 152      
Gross Carrying Amount at Year-End, Land 1,496      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,524      
Total 5,020      
Accumulated Depreciation 660      
Portland - Vancouver - Hillsboro, Property Fifteen [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 954      
Initial Cost to Company, Buildings and Improvements 3,026      
Subsequent Additions 95      
Gross Carrying Amount at Year-End, Land 954      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,121      
Total 4,075      
Accumulated Depreciation 537      
Portland - Vancouver - Hillsboro, Property Sixteen [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,627      
Initial Cost to Company, Buildings and Improvements 2,388      
Subsequent Additions 70      
Gross Carrying Amount at Year-End, Land 1,627      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,458      
Total 4,085      
Accumulated Depreciation 529      
Portland - Vancouver - Hillsboro, Property Seventeen [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,509      
Initial Cost to Company, Buildings and Improvements 4,200      
Subsequent Additions 99      
Gross Carrying Amount at Year-End, Land 2,509      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,299      
Total 6,808      
Accumulated Depreciation 883      
Portland - Vancouver - Hillsboro, Property Eighteen [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 787      
Initial Cost to Company, Buildings and Improvements 1,915      
Subsequent Additions 62      
Gross Carrying Amount at Year-End, Land 787      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,977      
Total 2,764      
Accumulated Depreciation 374      
Portland - Vancouver - Hillsboro, Property Nineteen [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,703      
Initial Cost to Company, Buildings and Improvements 4,729      
Subsequent Additions 9      
Gross Carrying Amount at Year-End, Land 1,703      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,738      
Total 6,441      
Accumulated Depreciation 806      
Portland - Vancouver - Hillsboro, Property Twenty [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 738      
Initial Cost to Company, Buildings and Improvements 2,483      
Subsequent Additions 0      
Gross Carrying Amount at Year-End, Land 738      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,483      
Total 3,221      
Accumulated Depreciation 424      
Portland - Vancouver - Hillsboro, Property Twenty One [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,690      
Initial Cost to Company, Buildings and Improvements 2,995      
Subsequent Additions 106      
Gross Carrying Amount at Year-End, Land 1,690      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,101      
Total 4,791      
Accumulated Depreciation 416      
Portland - Vancouver - Hillsboro, Property Twenty Two [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,200      
Initial Cost to Company, Buildings and Improvements 9,531      
Subsequent Additions 254      
Gross Carrying Amount at Year-End, Land 1,200      
Gross Carrying Amount at Year-End, Buildings and Improvements 9,785      
Total 10,985      
Accumulated Depreciation 2,275      
Portland - Vancouver - Hillsboro, Property Twenty Three [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 401      
Initial Cost to Company, Buildings and Improvements 3,718      
Subsequent Additions 84      
Gross Carrying Amount at Year-End, Land 401      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,802      
Total 4,203      
Accumulated Depreciation 717      
Portland - Vancouver - Hillsboro, Property Twenty Four [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,160      
Initial Cost to Company, Buildings and Improvements 3,291      
Subsequent Additions 21      
Gross Carrying Amount at Year-End, Land 1,160      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,312      
Total 4,472      
Accumulated Depreciation 605      
Portland - Vancouver - Hillsboro, Property Twenty Five [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,435      
Initial Cost to Company, Buildings and Improvements 4,342      
Subsequent Additions 0      
Gross Carrying Amount at Year-End, Land 1,435      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,342      
Total 5,777      
Accumulated Depreciation 798      
Portland - Vancouver - Hillsboro, Property Twenty Six [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,478      
Initial Cost to Company, Buildings and Improvements 4,127      
Subsequent Additions 6      
Gross Carrying Amount at Year-End, Land 1,478      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,133      
Total 5,611      
Accumulated Depreciation 752      
Portland - Vancouver - Hillsboro, Property Twenty Seven [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,402      
Initial Cost to Company, Buildings and Improvements 3,196      
Subsequent Additions 22      
Gross Carrying Amount at Year-End, Land 1,402      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,218      
Total 4,620      
Accumulated Depreciation 558      
Portland - Vancouver - Hillsboro, Property Twenty Eight [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 3,538      
Initial Cost to Company, Buildings and Improvements 4,938      
Subsequent Additions 6      
Gross Carrying Amount at Year-End, Land 3,398      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,984      
Total 7,382      
Accumulated Depreciation 725      
Portland - Vancouver - Hillsboro, Property Twenty Nine [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,501      
Initial Cost to Company, Buildings and Improvements 3,136      
Subsequent Additions 6      
Gross Carrying Amount at Year-End, Land 1,501      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,142      
Total 4,643      
Accumulated Depreciation 572      
Portland - Vancouver - Hillsboro, Property Thirty [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,746      
Initial Cost to Company, Buildings and Improvements 3,393      
Subsequent Additions 16      
Gross Carrying Amount at Year-End, Land 1,746      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,409      
Total 5,155      
Accumulated Depreciation 626      
Portland - Vancouver - Hillsboro, Property Thirty One [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,014      
Initial Cost to Company, Buildings and Improvements 3,017      
Subsequent Additions 13      
Gross Carrying Amount at Year-End, Land 1,014      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,030      
Total 4,044      
Accumulated Depreciation 578      
Portland - Vancouver - Hillsboro, Property Thirty Two [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,202      
Initial Cost to Company, Buildings and Improvements 3,477      
Subsequent Additions 127      
Gross Carrying Amount at Year-End, Land 2,202      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,604      
Total 5,806      
Accumulated Depreciation 689      
Portland - Vancouver - Hillsboro - Property Thirty Three [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,764      
Initial Cost to Company, Buildings and Improvements 7,360      
Subsequent Additions 7      
Gross Carrying Amount at Year-End, Land 1,764      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,367      
Total 9,131      
Accumulated Depreciation 1,101      
Portland - Vancouver - Hillsboro - Property Thirty Four [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 860      
Initial Cost to Company, Buildings and Improvements 3,740      
Subsequent Additions 0      
Gross Carrying Amount at Year-End, Land 860      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,740      
Total 4,600      
Accumulated Depreciation 240      
Portland - Vancouver - Hillsboro - Property Thirty Five [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 410      
Initial Cost to Company, Buildings and Improvements 622      
Subsequent Additions 179      
Gross Carrying Amount at Year-End, Land 410      
Gross Carrying Amount at Year-End, Buildings and Improvements 801      
Total 1,211      
Accumulated Depreciation 96      
Portland - Vancouver - Hillsboro - Property Thirty Six [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,258      
Initial Cost to Company, Buildings and Improvements 6,298      
Subsequent Additions 3      
Gross Carrying Amount at Year-End, Land 1,258      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,301      
Total 7,559      
Accumulated Depreciation 392      
Portland - Vancouver - Hillsboro - Property Thirty Seven [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,334      
Initial Cost to Company, Buildings and Improvements 7,726      
Subsequent Additions 34      
Gross Carrying Amount at Year-End, Land 2,339      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,760      
Total 10,099      
Accumulated Depreciation 588      
Portland - Vancouver - Hillsboro - Property Thirty Eight [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,048      
Initial Cost to Company, Buildings and Improvements 3,549      
Subsequent Additions 0      
Gross Carrying Amount at Year-End, Land 1,048      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,549      
Total 4,597      
Accumulated Depreciation 64      
Portland - Vancouver - Hillsboro - Property Thirty Nine [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 472      
Initial Cost to Company, Buildings and Improvements 2,880      
Subsequent Additions 0      
Gross Carrying Amount at Year-End, Land 472      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,880      
Total 3,352      
Accumulated Depreciation 20      
Prineville [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 427      
Initial Cost to Company, Buildings and Improvements 1,648      
Subsequent Additions 6      
Gross Carrying Amount at Year-End, Land 427      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,654      
Total 2,081      
Accumulated Depreciation 294      
Roseburg [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 474      
Initial Cost to Company, Buildings and Improvements 1,789      
Subsequent Additions 80      
Gross Carrying Amount at Year-End, Land 474      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,869      
Total 2,343      
Accumulated Depreciation 439      
Salem [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,405      
Initial Cost to Company, Buildings and Improvements 2,650      
Subsequent Additions 418      
Gross Carrying Amount at Year-End, Land 1,405      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,068      
Total 4,473      
Accumulated Depreciation 787      
Salem - Property Two [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 492      
Initial Cost to Company, Buildings and Improvements 1,248      
Subsequent Additions 18      
Gross Carrying Amount at Year-End, Land 492      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,266      
Total 1,758      
Accumulated Depreciation 179      
The Dalles [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,108      
Initial Cost to Company, Buildings and Improvements 2,100      
Subsequent Additions 2      
Gross Carrying Amount at Year-End, Land 1,108      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,102      
Total 3,210      
Accumulated Depreciation 390      
Ponce-Yauco-Coamo [Member] | PUERTO RICO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 745      
Initial Cost to Company, Buildings and Improvements 4,813      
Subsequent Additions 3      
Gross Carrying Amount at Year-End, Land 745      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,816      
Total 5,561      
Accumulated Depreciation 66      
San Juan - Caguas - Guaynabo [Member] | PUERTO RICO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,095      
Initial Cost to Company, Buildings and Improvements 8,073      
Subsequent Additions 3      
Gross Carrying Amount at Year-End, Land 1,095      
Gross Carrying Amount at Year-End, Buildings and Improvements 8,076      
Total 9,171      
Accumulated Depreciation 85      
San Juan - Caguas - Guaynabo - Property Two [Member] | PUERTO RICO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,205      
Initial Cost to Company, Buildings and Improvements 9,967      
Subsequent Additions 6      
Gross Carrying Amount at Year-End, Land 1,205      
Gross Carrying Amount at Year-End, Buildings and Improvements 9,973      
Total 11,178      
Accumulated Depreciation 90      
San Juan - Caguas - Guaynabo - Property Three [Member] | PUERTO RICO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,266      
Initial Cost to Company, Buildings and Improvements 15,805      
Subsequent Additions 3      
Gross Carrying Amount at Year-End, Land 1,266      
Gross Carrying Amount at Year-End, Buildings and Improvements 15,808      
Total 17,074      
Accumulated Depreciation 122      
San Juan - Caguas - Guaynabo - Property Four [Member] | PUERTO RICO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 356      
Initial Cost to Company, Buildings and Improvements 1,892      
Subsequent Additions 10      
Gross Carrying Amount at Year-End, Land 356      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,902      
Total 2,258      
Accumulated Depreciation 26      
San Juan - Caguas - Guaynabo - Property Five [Member] | PUERTO RICO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 573      
Initial Cost to Company, Buildings and Improvements 2,373      
Subsequent Additions 3      
Gross Carrying Amount at Year-End, Land 573      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,376      
Total 2,949      
Accumulated Depreciation 37      
Anderson [Member] | South Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 92      
Initial Cost to Company, Buildings and Improvements 976      
Subsequent Additions 120      
Gross Carrying Amount at Year-End, Land 92      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,096      
Total 1,188      
Accumulated Depreciation 349      
Charlotte - Gastonia - Rock Hill [Member] | South Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 924      
Initial Cost to Company, Buildings and Improvements 3,086      
Subsequent Additions 52      
Gross Carrying Amount at Year-End, Land 924      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,138      
Total 4,062      
Accumulated Depreciation 421      
Greenville - Mauldin - Easley [Member] | South Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 82      
Initial Cost to Company, Buildings and Improvements 838      
Subsequent Additions 97      
Gross Carrying Amount at Year-End, Land 82      
Gross Carrying Amount at Year-End, Buildings and Improvements 935      
Total 1,017      
Accumulated Depreciation 278      
Spartanburg [Member] | South Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 535      
Initial Cost to Company, Buildings and Improvements 1,934      
Subsequent Additions 29      
Gross Carrying Amount at Year-End, Land 535      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,963      
Total 2,498      
Accumulated Depreciation 273      
Amarillo [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 80      
Initial Cost to Company, Buildings and Improvements 877      
Subsequent Additions 106      
Gross Carrying Amount at Year-End, Land 80      
Gross Carrying Amount at Year-End, Buildings and Improvements 983      
Total 1,063      
Accumulated Depreciation 257      
Amarillo, Property Two [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 78      
Initial Cost to Company, Buildings and Improvements 697      
Subsequent Additions 165      
Gross Carrying Amount at Year-End, Land 78      
Gross Carrying Amount at Year-End, Buildings and Improvements 862      
Total 940      
Accumulated Depreciation 229      
Amarillo, Property Three [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 147      
Initial Cost to Company, Buildings and Improvements 810      
Subsequent Additions 145      
Gross Carrying Amount at Year-End, Land 147      
Gross Carrying Amount at Year-End, Buildings and Improvements 955      
Total 1,102      
Accumulated Depreciation 250      
Austin - Round Rock - San Marcos [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 936      
Initial Cost to Company, Buildings and Improvements 6,446      
Subsequent Additions 24      
Gross Carrying Amount at Year-End, Land 936      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,470      
Total 7,406      
Accumulated Depreciation 235      
Austin - Round Rock - San Marcos, Property Two [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 937      
Initial Cost to Company, Buildings and Improvements 5,319      
Subsequent Additions 86      
Gross Carrying Amount at Year-End, Land 937      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,405      
Total 6,342      
Accumulated Depreciation 944      
Austin - Round Rock - San Marcos, Property Three [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,395      
Initial Cost to Company, Buildings and Improvements 2,790      
Subsequent Additions 25      
Gross Carrying Amount at Year-End, Land 1,395      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,815      
Total 4,210      
Accumulated Depreciation 754      
Austin - Round Rock - San Marcos, Property Four [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 768      
Initial Cost to Company, Buildings and Improvements 1,923      
Subsequent Additions 290      
Gross Carrying Amount at Year-End, Land 768      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,213      
Total 2,981      
Accumulated Depreciation 405      
Brownsville - Harlingen [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 845      
Initial Cost to Company, Buildings and Improvements 2,364      
Subsequent Additions 64      
Gross Carrying Amount at Year-End, Land 845      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,428      
Total 3,273      
Accumulated Depreciation 375      
Brownsville - Harlingen, Property Two [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 639      
Initial Cost to Company, Buildings and Improvements 1,674      
Subsequent Additions 101      
Gross Carrying Amount at Year-End, Land 639      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,775      
Total 2,414      
Accumulated Depreciation 332      
Brownsville - Harlingen - Property Three [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 386      
Initial Cost to Company, Buildings and Improvements 2,798      
Subsequent Additions 185      
Gross Carrying Amount at Year-End, Land 386      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,983      
Total 3,369      
Accumulated Depreciation 330      
College Station - Bryan [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 618      
Initial Cost to Company, Buildings and Improvements 2,512      
Subsequent Additions 88      
Gross Carrying Amount at Year-End, Land 618      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,600      
Total 3,218      
Accumulated Depreciation 746      
College Station - Bryan, Property Two [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 551      
Initial Cost to Company, Buildings and Improvements 349      
Subsequent Additions 231      
Gross Carrying Amount at Year-End, Land 551      
Gross Carrying Amount at Year-End, Buildings and Improvements 580      
Total 1,131      
Accumulated Depreciation 170      
College Station - Bryan, Property Three [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 295      
Initial Cost to Company, Buildings and Improvements 988      
Subsequent Additions 150      
Gross Carrying Amount at Year-End, Land 295      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,138      
Total 1,433      
Accumulated Depreciation 302      
College Station - Bryan, Property Four [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 51      
Initial Cost to Company, Buildings and Improvements 123      
Subsequent Additions 66      
Gross Carrying Amount at Year-End, Land 51      
Gross Carrying Amount at Year-End, Buildings and Improvements 189      
Total 240      
Accumulated Depreciation 64      
College Station - Bryan, Property Five [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 110      
Initial Cost to Company, Buildings and Improvements 372      
Subsequent Additions 176      
Gross Carrying Amount at Year-End, Land 110      
Gross Carrying Amount at Year-End, Buildings and Improvements 548      
Total 658      
Accumulated Depreciation 134      
College Station - Bryan, Property Six [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 62      
Initial Cost to Company, Buildings and Improvements 208      
Subsequent Additions 13      
Gross Carrying Amount at Year-End, Land 62      
Gross Carrying Amount at Year-End, Buildings and Improvements 221      
Total 283      
Accumulated Depreciation 63      
Dallas - Fort Worth - Arlington [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 164      
Initial Cost to Company, Buildings and Improvements 865      
Subsequent Additions 49      
Gross Carrying Amount at Year-End, Land 164      
Gross Carrying Amount at Year-End, Buildings and Improvements 914      
Total 1,078      
Accumulated Depreciation 273      
Dallas - Fort Worth - Arlington, Property Two [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 155      
Initial Cost to Company, Buildings and Improvements 105      
Subsequent Additions 53      
Gross Carrying Amount at Year-End, Land 155      
Gross Carrying Amount at Year-End, Buildings and Improvements 158      
Total 313      
Accumulated Depreciation 58      
Dallas - Fort Worth - Arlington, Property Three [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 98      
Initial Cost to Company, Buildings and Improvements 282      
Subsequent Additions 170      
Gross Carrying Amount at Year-End, Land 98      
Gross Carrying Amount at Year-End, Buildings and Improvements 452      
Total 550      
Accumulated Depreciation 137      
Dallas - Fort Worth - Arlington, Property Four [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 264      
Initial Cost to Company, Buildings and Improvements 106      
Subsequent Additions 165      
Gross Carrying Amount at Year-End, Land 264      
Gross Carrying Amount at Year-End, Buildings and Improvements 271      
Total 535      
Accumulated Depreciation 108      
Dallas - Fort Worth - Arlington, Property Five [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 376      
Initial Cost to Company, Buildings and Improvements 803      
Subsequent Additions 120      
Gross Carrying Amount at Year-End, Land 376      
Gross Carrying Amount at Year-End, Buildings and Improvements 923      
Total 1,299      
Accumulated Depreciation 294      
Dallas - Fort Worth - Arlington, Property Six [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 338      
Initial Cost to Company, Buildings and Improvements 681      
Subsequent Additions 101      
Gross Carrying Amount at Year-End, Land 338      
Gross Carrying Amount at Year-End, Buildings and Improvements 782      
Total 1,120      
Accumulated Depreciation 237      
Dallas - Fort Worth - Arlington, Property Seven [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,388      
Initial Cost to Company, Buildings and Improvements 4,195      
Subsequent Additions 43      
Gross Carrying Amount at Year-End, Land 1,388      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,238      
Total 5,626      
Accumulated Depreciation 857      
Dallas - Fort Worth - Arlington, Property Eight [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,859      
Initial Cost to Company, Buildings and Improvements 5,293      
Subsequent Additions 129      
Gross Carrying Amount at Year-End, Land 1,859      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,422      
Total 7,281      
Accumulated Depreciation 1,044      
Dallas - Fort Worth - Arlington, Property Nine [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 379      
Initial Cost to Company, Buildings and Improvements 2,212      
Subsequent Additions 128      
Gross Carrying Amount at Year-End, Land 379      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,340      
Total 2,719      
Accumulated Depreciation 637      
Dallas - Fort Worth - Arlington, Property Ten [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,397      
Initial Cost to Company, Buildings and Improvements 5,250      
Subsequent Additions 90      
Gross Carrying Amount at Year-End, Land 1,397      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,340      
Total 6,737      
Accumulated Depreciation 964      
Dallas - Fort Worth - Arlington, Property Eleven [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,102      
Initial Cost to Company, Buildings and Improvements 5,755      
Subsequent Additions 94      
Gross Carrying Amount at Year-End, Land 2,102      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,849      
Total 7,951      
Accumulated Depreciation 1,229      
Dallas - Fort Worth - Arlington, Property Twelve [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 649      
Initial Cost to Company, Buildings and Improvements 1,637      
Subsequent Additions 49      
Gross Carrying Amount at Year-End, Land 649      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,686      
Total 2,335      
Accumulated Depreciation 626      
Dallas - Fort Worth - Arlington, Property Thirteen [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 396      
Initial Cost to Company, Buildings and Improvements 1,411      
Subsequent Additions 466      
Gross Carrying Amount at Year-End, Land 396      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,877      
Total 2,273      
Accumulated Depreciation 420      
Dallas - Fort Worth - Arlington, Property Fourteen [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,263      
Initial Cost to Company, Buildings and Improvements 3,346      
Subsequent Additions 52      
Gross Carrying Amount at Year-End, Land 1,263      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,398      
Total 4,661      
Accumulated Depreciation 581      
Dallas - Plano - Irving [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,421      
Initial Cost to Company, Buildings and Improvements 2,349      
Subsequent Additions 491      
Gross Carrying Amount at Year-End, Land 1,421      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,840      
Total 4,261      
Accumulated Depreciation 367      
Dallas - Plano - Irving, Property Two [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 710      
Initial Cost to Company, Buildings and Improvements 3,578      
Subsequent Additions 101      
Gross Carrying Amount at Year-End, Land 710      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,679      
Total 4,389      
Accumulated Depreciation 211      
Dallas - Plano - Irving, Property Three [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 421      
Initial Cost to Company, Buildings and Improvements 2,668      
Subsequent Additions 69      
Gross Carrying Amount at Year-End, Land 421      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,737      
Total 3,158      
Accumulated Depreciation 140      
El Paso [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 338      
Initial Cost to Company, Buildings and Improvements 1,275      
Subsequent Additions 42      
Gross Carrying Amount at Year-End, Land 338      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,317      
Total 1,655      
Accumulated Depreciation 388      
El Paso, Property Two [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 94      
Initial Cost to Company, Buildings and Improvements 400      
Subsequent Additions 168      
Gross Carrying Amount at Year-End, Land 94      
Gross Carrying Amount at Year-End, Buildings and Improvements 568      
Total 662      
Accumulated Depreciation 174      
Houston - Sugar Land - Baytown [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 698      
Initial Cost to Company, Buildings and Improvements 2,648      
Subsequent Additions 264      
Gross Carrying Amount at Year-End, Land 698      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,912      
Total 3,610      
Accumulated Depreciation 411      
Houston - The Woodlands - Sugar Land [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,042      
Initial Cost to Company, Buildings and Improvements 3,061      
Subsequent Additions 413      
Gross Carrying Amount at Year-End, Land 1,042      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,474      
Total 4,516      
Accumulated Depreciation 455      
Houston - The Woodlands - Sugar Land, Property Two [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,426      
Initial Cost to Company, Buildings and Improvements 2,910      
Subsequent Additions 115      
Gross Carrying Amount at Year-End, Land 1,426      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,025      
Total 4,451      
Accumulated Depreciation 230      
Houston - The Woodlands - Sugar Land, Property Three [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 826      
Initial Cost to Company, Buildings and Improvements 3,683      
Subsequent Additions 189      
Gross Carrying Amount at Year-End, Land 826      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,872      
Total 4,698      
Accumulated Depreciation 185      
Houston - The Woodlands - Sugar Land, Property Four [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 649      
Initial Cost to Company, Buildings and Improvements 4,077      
Subsequent Additions 70      
Gross Carrying Amount at Year-End, Land 649      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,147      
Total 4,796      
Accumulated Depreciation 188      
Killeen - Temple [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 203      
Initial Cost to Company, Buildings and Improvements 4,065      
Subsequent Additions 219      
Gross Carrying Amount at Year-End, Land 203      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,284      
Total 4,487      
Accumulated Depreciation 274      
Killeen - Temple, Property Two [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,128      
Initial Cost to Company, Buildings and Improvements 6,149      
Subsequent Additions 217      
Gross Carrying Amount at Year-End, Land 1,128      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,366      
Total 7,494      
Accumulated Depreciation 341      
Longview [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 651      
Initial Cost to Company, Buildings and Improvements 671      
Subsequent Additions 102      
Gross Carrying Amount at Year-End, Land 651      
Gross Carrying Amount at Year-End, Buildings and Improvements 773      
Total 1,424      
Accumulated Depreciation 204      
Longview [Member] | Washington [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 448      
Initial Cost to Company, Buildings and Improvements 2,356      
Subsequent Additions 14      
Gross Carrying Amount at Year-End, Land 448      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,370      
Total 2,818      
Accumulated Depreciation 313      
Longview, Property Two [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 104      
Initial Cost to Company, Buildings and Improvements 489      
Subsequent Additions 164      
Gross Carrying Amount at Year-End, Land 104      
Gross Carrying Amount at Year-End, Buildings and Improvements 653      
Total 757      
Accumulated Depreciation 163      
Longview, Property Three [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 310      
Initial Cost to Company, Buildings and Improvements 966      
Subsequent Additions 201      
Gross Carrying Amount at Year-End, Land 310      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,167      
Total 1,477      
Accumulated Depreciation 296      
Longview, Property Four [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,466      
Initial Cost to Company, Buildings and Improvements 3,559      
Subsequent Additions 89      
Gross Carrying Amount at Year-End, Land 2,466      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,648      
Total 6,114      
Accumulated Depreciation 620      
Longview, Property Five [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 959      
Initial Cost to Company, Buildings and Improvements 1,640      
Subsequent Additions 22      
Gross Carrying Amount at Year-End, Land 959      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,662      
Total 2,621      
Accumulated Depreciation 306      
McAllen - Edinburg - Mission [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,217      
Initial Cost to Company, Buildings and Improvements 2,738      
Subsequent Additions 277      
Gross Carrying Amount at Year-End, Land 1,243      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,015      
Total 4,258      
Accumulated Depreciation 715      
McAllen - Edinburg - Mission, Property Two [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,973      
Initial Cost to Company, Buildings and Improvements 4,517      
Subsequent Additions 58      
Gross Carrying Amount at Year-End, Land 1,973      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,575      
Total 6,548      
Accumulated Depreciation 865      
McAllen - Edinburg - Mission, Property Three [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,295      
Initial Cost to Company, Buildings and Improvements 3,929      
Subsequent Additions 74      
Gross Carrying Amount at Year-End, Land 1,295      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,003      
Total 5,298      
Accumulated Depreciation 741      
McAllen - Edinburg - Mission, Property Four [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 3,079      
Initial Cost to Company, Buildings and Improvements 7,574      
Subsequent Additions 88      
Gross Carrying Amount at Year-End, Land 3,079      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,662      
Total 10,741      
Accumulated Depreciation 1,523      
McAllen - Edinburg - Mission, Property Five [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,017      
Initial Cost to Company, Buildings and Improvements 3,261      
Subsequent Additions 69      
Gross Carrying Amount at Year-End, Land 1,017      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,330      
Total 4,347      
Accumulated Depreciation 606      
McAllen - Edinburg - Mission, Property Six [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 803      
Initial Cost to Company, Buildings and Improvements 2,914      
Subsequent Additions 79      
Gross Carrying Amount at Year-End, Land 803      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,993      
Total 3,796      
Accumulated Depreciation 443      
McAllen - Edinburg - Mission, Property Seven [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 2,249      
Initial Cost to Company, Buildings and Improvements 4,966      
Subsequent Additions 57      
Gross Carrying Amount at Year-End, Land 2,249      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,023      
Total 7,272      
Accumulated Depreciation 971      
McAllen - Edinburg - Mission, Property Eight [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,118      
Initial Cost to Company, Buildings and Improvements 3,568      
Subsequent Additions 70      
Gross Carrying Amount at Year-End, Land 1,118      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,638      
Total 4,756      
Accumulated Depreciation 567      
Midland [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 691      
Initial Cost to Company, Buildings and Improvements 1,588      
Subsequent Additions 165      
Gross Carrying Amount at Year-End, Land 691      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,753      
Total 2,444      
Accumulated Depreciation 440      
Odessa [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 168      
Initial Cost to Company, Buildings and Improvements 561      
Subsequent Additions 119      
Gross Carrying Amount at Year-End, Land 168      
Gross Carrying Amount at Year-End, Buildings and Improvements 680      
Total 848      
Accumulated Depreciation 177      
San Angelo [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 381      
Initial Cost to Company, Buildings and Improvements 986      
Subsequent Additions 104      
Gross Carrying Amount at Year-End, Land 381      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,090      
Total 1,471      
Accumulated Depreciation 272      
San Antonio - New Braunfels [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 614      
Initial Cost to Company, Buildings and Improvements 2,640      
Subsequent Additions 61      
Gross Carrying Amount at Year-End, Land 614      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,701      
Total 3,315      
Accumulated Depreciation 581      
San Antonio - New Braunfels, Property Two [Member] | Texas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 715      
Initial Cost to Company, Buildings and Improvements 4,566      
Subsequent Additions 69      
Gross Carrying Amount at Year-End, Land 715      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,635      
Total 5,350      
Accumulated Depreciation 227      
Washington - Arlington - Alexandria [Member] | VIRGINIA        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,516      
Initial Cost to Company, Buildings and Improvements 12,633      
Subsequent Additions 62      
Gross Carrying Amount at Year-End, Land 1,516      
Gross Carrying Amount at Year-End, Buildings and Improvements 12,695      
Total 14,211      
Accumulated Depreciation 557      
Centralia [Member] | Washington [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 810      
Initial Cost to Company, Buildings and Improvements 1,530      
Subsequent Additions 2      
Gross Carrying Amount at Year-End, Land 810      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,532      
Total 2,342      
Accumulated Depreciation 561      
Centralia, Property Two [Member] | Washington [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 998      
Initial Cost to Company, Buildings and Improvements 1,862      
Subsequent Additions 94      
Gross Carrying Amount at Year-End, Land 998      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,956      
Total 2,954      
Accumulated Depreciation 756      
Seattle - Tacoma - Bellevue [Member] | Washington [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 770      
Initial Cost to Company, Buildings and Improvements 3,203      
Subsequent Additions 22      
Gross Carrying Amount at Year-End, Land 770      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,225      
Total 3,995      
Accumulated Depreciation 672      
Seattle - Tacoma - Bellevue, Property Two [Member] | Washington [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,390      
Initial Cost to Company, Buildings and Improvements 2,506      
Subsequent Additions 43      
Gross Carrying Amount at Year-End, Land 1,390      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,549      
Total 3,939      
Accumulated Depreciation 555      
Seattle - Tacoma - Bellevue, Property Three [Member] | Washington [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,438      
Initial Cost to Company, Buildings and Improvements 3,280      
Subsequent Additions 37      
Gross Carrying Amount at Year-End, Land 1,438      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,317      
Total 4,755      
Accumulated Depreciation 644      
Seattle - Tacoma - Bellevue, Property Four [Member] | Washington [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,105      
Initial Cost to Company, Buildings and Improvements 2,121      
Subsequent Additions 9      
Gross Carrying Amount at Year-End, Land 1,105      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,130      
Total 3,235      
Accumulated Depreciation $ 371      
Minimum [Member] | Building and Improvements [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Useful life 3 years      
Maximum [Member] | Building and Improvements [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Useful life 40 years