Annual report pursuant to Section 13 and 15(d)

Schedule III - Real Estate and Accumulated Deprecation (Details)

v3.8.0.1
Schedule III - Real Estate and Accumulated Deprecation (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2017
USD ($)
property
class
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land $ 528,936      
Initial Cost to Company, Buildings and Improvements 1,696,269      
Subsequent Additions 50,210      
Gross Carrying Amount at Year-End, Land 528,304      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,746,929      
Total 2,275,233 $ 1,844,336 $ 1,147,201 $ 838,941
Accumulated Depreciation 170,358 $ 110,803 $ 68,100 $ 39,614
Federal income tax basis of land and depreciable property $ 1,900,000      
Number of businesses acquired encumbered by debt | property 91      
Aggregate encumbrances on self storage properties $ 271,500      
Number of properties consolidated into one property | property 2      
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 712      
Gross Carrying Amount at Year-End, Land 991      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,586      
Total 6,577      
Accumulated Depreciation 530      
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 27      
Gross Carrying Amount at Year-End, Land 671      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,599      
Total 2,270      
Accumulated Depreciation 309      
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 45      
Gross Carrying Amount at Year-End, Land 722      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,591      
Total 3,313      
Accumulated Depreciation 528      
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 55      
Gross Carrying Amount at Year-End, Land 1,089      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,662      
Total 7,751      
Accumulated Depreciation 1,052      
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 59      
Gross Carrying Amount at Year-End, Land 3,813      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,890      
Total 11,703      
Accumulated Depreciation 922      
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 38      
Gross Carrying Amount at Year-End, Land 1,375      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,651      
Total 4,026      
Accumulated Depreciation 555      
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 16      
Gross Carrying Amount at Year-End, Land 1,653      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,547      
Total 9,200      
Accumulated Depreciation 759      
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 44      
Gross Carrying Amount at Year-End, Land 1,661      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,355      
Total 5,016      
Accumulated Depreciation 425      
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 21      
Gross Carrying Amount at Year-End, Land 1,050      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,380      
Total 6,430      
Accumulated Depreciation 409      
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 2      
Gross Carrying Amount at Year-End, Land 1,198      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,923      
Total 3,121      
Accumulated Depreciation 242      
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 35      
Gross Carrying Amount at Year-End, Land 1,324      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,661      
Total 4,985      
Accumulated Depreciation 375      
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 8      
Gross Carrying Amount at Year-End, Land 3,816      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,356      
Total 8,172      
Accumulated Depreciation 433      
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 218      
Gross Carrying Amount at Year-End, Land 5,576      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,964      
Total 12,540      
Accumulated Depreciation 581      
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 68      
Gross Carrying Amount at Year-End, Land 1,506      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,949      
Total 4,455      
Accumulated Depreciation 175      
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 162      
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 74      
Gross Carrying Amount at Year-End, Land 421      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,929      
Total 4,350      
Accumulated Depreciation 484      
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 7      
Gross Carrying Amount at Year-End, Land 716      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,372      
Total 2,088      
Accumulated Depreciation 319      
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 289      
Gross Carrying Amount at Year-End, Land 1,530      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,088      
Total 7,618      
Accumulated Depreciation 241      
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 43      
Gross Carrying Amount at Year-End, Land 511      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,847      
Total 3,358      
Accumulated Depreciation 174      
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 38      
Gross Carrying Amount at Year-End, Land 1,409      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,945      
Total 5,354      
Accumulated Depreciation 214      
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 82      
Gross Carrying Amount at Year-End, Land 1,882      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,940      
Total 5,822      
Accumulated Depreciation 250      
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 27      
Gross Carrying Amount at Year-End, Land 1,355      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,705      
Total 6,060      
Accumulated Depreciation 277      
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 115      
Gross Carrying Amount at Year-End, Land 1,306      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,555      
Total 4,861      
Accumulated Depreciation 274      
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 34      
Gross Carrying Amount at Year-End, Land 1,016      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,672      
Total 4,688      
Accumulated Depreciation 193      
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 21      
Gross Carrying Amount at Year-End, Land 1,579      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,378      
Total 4,957      
Accumulated Depreciation 225      
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 95      
Gross Carrying Amount at Year-End, Land 750      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,897      
Total 6,647      
Accumulated Depreciation 322      
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 323      
Gross Carrying Amount at Year-End, Land 840      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,825      
Total 8,665      
Accumulated Depreciation 591      
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 619      
Gross Carrying Amount at Year-End, Land 2,345      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,439      
Total 9,784      
Accumulated Depreciation 297      
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 115      
Gross Carrying Amount at Year-End, Land 1,350      
Gross Carrying Amount at Year-End, Buildings and Improvements 11,381      
Total 12,731      
Accumulated Depreciation 523      
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 84      
Gross Carrying Amount at Year-End, Land 763      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,342      
Total 7,105      
Accumulated Depreciation 293      
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 47      
Gross Carrying Amount at Year-End, Land 6,641      
Gross Carrying Amount at Year-End, Buildings and Improvements 8,286      
Total 14,927      
Accumulated Depreciation 969      
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 7      
Gross Carrying Amount at Year-End, Land 1,122      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,888      
Total 3,010      
Accumulated Depreciation 296      
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 24      
Gross Carrying Amount at Year-End, Land 7,186      
Gross Carrying Amount at Year-End, Buildings and Improvements 12,795      
Total 19,981      
Accumulated Depreciation 1,717      
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 25      
Gross Carrying Amount at Year-End, Land 0      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,131      
Total 7,131      
Accumulated Depreciation 919      
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 52      
Gross Carrying Amount at Year-End, Land 2,366      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,944      
Total 7,310      
Accumulated Depreciation 684      
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 42      
Gross Carrying Amount at Year-End, Land 2,871      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,745      
Total 6,616      
Accumulated Depreciation 435      
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 148      
Gross Carrying Amount at Year-End, Land 5,448      
Gross Carrying Amount at Year-End, Buildings and Improvements 10,163      
Total 15,611      
Accumulated Depreciation 1,403      
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 15      
Gross Carrying Amount at Year-End, Land 0      
Gross Carrying Amount at Year-End, Buildings and Improvements 13,165      
Total 13,165      
Accumulated Depreciation 1,320      
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 61      
Gross Carrying Amount at Year-End, Land 0      
Gross Carrying Amount at Year-End, Buildings and Improvements 10,145      
Total 10,145      
Accumulated Depreciation 62      
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 31      
Gross Carrying Amount at Year-End, Land 1,526      
Gross Carrying Amount at Year-End, Buildings and Improvements 12,063      
Total 13,589      
Accumulated Depreciation 540      
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 4      
Gross Carrying Amount at Year-End, Land 773      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,659      
Total 6,432      
Accumulated Depreciation 212      
Riverside - San Bernardino - Ontario [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 109      
Gross Carrying Amount at Year-End, Land 552      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,119      
Total 3,671      
Accumulated Depreciation 788      
Riverside - San Bernardino - Ontario, Property Two [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,342      
Initial Cost to Company, Buildings and Improvements 4,446      
Subsequent Additions 62      
Gross Carrying Amount at Year-End, Land 1,342      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,508      
Total 5,850      
Accumulated Depreciation 1,265      
Riverside - San Bernardino - Ontario, Property Three [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 31      
Gross Carrying Amount at Year-End, Land 1,672      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,595      
Total 4,267      
Accumulated Depreciation 400      
Riverside - San Bernardino - Ontario, Property Four [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 106      
Gross Carrying Amount at Year-End, Land 978      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,960      
Total 2,938      
Accumulated Depreciation 416      
Riverside - San Bernardino - Ontario, Property Five [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 98      
Gross Carrying Amount at Year-End, Land 1,068      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,707      
Total 3,775      
Accumulated Depreciation 487      
Riverside - San Bernardino - Ontario, Property Six [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 48      
Gross Carrying Amount at Year-End, Land 1,202      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,080      
Total 3,282      
Accumulated Depreciation 331      
Riverside - San Bernardino - Ontario, Property Seven [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 36      
Gross Carrying Amount at Year-End, Land 1,803      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,794      
Total 4,597      
Accumulated Depreciation 587      
Riverside - San Bernardino - Ontario, Property Eight [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 22      
Gross Carrying Amount at Year-End, Land 1,337      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,511      
Total 5,848      
Accumulated Depreciation 637      
Riverside - San Bernardino - Ontario, Property Nine [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 43      
Gross Carrying Amount at Year-End, Land 846      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,551      
Total 3,397      
Accumulated Depreciation 505      
Riverside - San Bernardino - Ontario, Property Ten [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 27      
Gross Carrying Amount at Year-End, Land 1,026      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,579      
Total 5,605      
Accumulated Depreciation 598      
Riverside - San Bernardino - Ontario, Property Eleven [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,878      
Initial Cost to Company, Buildings and Improvements 5,104      
Subsequent Additions 35      
Gross Carrying Amount at Year-End, Land 1,878      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,139      
Total 7,017      
Accumulated Depreciation 597      
Riverside - San Bernardino - Ontario, Property Twelve [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 199      
Gross Carrying Amount at Year-End, Land 14,109      
Gross Carrying Amount at Year-End, Buildings and Improvements 23,311      
Total 37,420      
Accumulated Depreciation 3,183      
Riverside - San Bernardino - Ontario, Property Thirteen [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 92      
Gross Carrying Amount at Year-End, Land 3,974      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,054      
Total 11,028      
Accumulated Depreciation 1,143      
Riverside - San Bernardino - Ontario, Property Fourteen [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 689      
Gross Carrying Amount at Year-End, Land 2,018      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,167      
Total 6,185      
Accumulated Depreciation 818      
Riverside - San Bernardino - Ontario, Property Fifteen [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,842      
Initial Cost to Company, Buildings and Improvements 3,420      
Subsequent Additions 9      
Gross Carrying Amount at Year-End, Land 1,842      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,429      
Total 5,271      
Accumulated Depreciation 356      
Riverside - San Bernardino - Ontario, Property Sixteen [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 35      
Gross Carrying Amount at Year-End, Land 1,981      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,358      
Total 5,339      
Accumulated Depreciation 433      
Riverside - San Bernardino - Ontario, Property Seventeen [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 76      
Gross Carrying Amount at Year-End, Land 3,418      
Gross Carrying Amount at Year-End, Buildings and Improvements 9,983      
Total 13,401      
Accumulated Depreciation 847      
Riverside - San Bernardino - Ontario, Property Eighteen [Member] | California [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,913      
Initial Cost to Company, Buildings and Improvements 6,072      
Subsequent Additions 67      
Gross Carrying Amount at Year-End, Land 1,913      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,139      
Total 8,052      
Accumulated Depreciation 619      
Riverside - San Bernardino - Ontario, Property Nineteen [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 72      
Gross Carrying Amount at Year-End, Land 772      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,116      
Total 4,888      
Accumulated Depreciation 494      
Riverside - San Bernardino - Ontario, Property Twenty [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 64      
Gross Carrying Amount at Year-End, Land 597      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,528      
Total 6,125      
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 3,022      
Initial Cost to Company, Buildings and Improvements 8,124      
Subsequent Additions 64      
Gross Carrying Amount at Year-End, Land 3,022      
Gross Carrying Amount at Year-End, Buildings and Improvements 8,188      
Total 11,210      
Accumulated Depreciation 818      
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 2,897      
Initial Cost to Company, Buildings and Improvements 5,725      
Subsequent Additions 646      
Gross Carrying Amount at Year-End, Land 2,467      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,371      
Total 8,838      
Accumulated Depreciation 755      
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 2,835      
Initial Cost to Company, Buildings and Improvements 5,589      
Subsequent Additions 827      
Gross Carrying Amount at Year-End, Land 2,164      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,416      
Total 8,580      
Accumulated Depreciation 680      
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 2,484      
Initial Cost to Company, Buildings and Improvements 5,903      
Subsequent Additions 65      
Gross Carrying Amount at Year-End, Land 2,484      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,968      
Total 8,452      
Accumulated Depreciation 471      
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 1,139      
Initial Cost to Company, Buildings and Improvements 5,054      
Subsequent Additions 3      
Gross Carrying Amount at Year-End, Land 1,139      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,057      
Total 6,196      
Accumulated Depreciation 460      
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 1,401      
Initial Cost to Company, Buildings and Improvements 4,577      
Subsequent Additions 5      
Gross Carrying Amount at Year-End, Land 1,401      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,582      
Total 5,983      
Accumulated Depreciation 323      
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 925      
Initial Cost to Company, Buildings and Improvements 3,459      
Subsequent Additions 5      
Gross Carrying Amount at Year-End, Land 925      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,464      
Total 4,389      
Accumulated Depreciation 325      
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 1,174      
Initial Cost to Company, Buildings and Improvements 2,556      
Subsequent Additions 43      
Gross Carrying Amount at Year-End, Land 1,174      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,599      
Total 3,773      
Accumulated Depreciation 288      
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 1,506      
Initial Cost to Company, Buildings and Improvements 2,913      
Subsequent Additions 9      
Gross Carrying Amount at Year-End, Land 1,506      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,922      
Total 4,428      
Accumulated Depreciation 255      
Riverside - San Bernardino - Ontario, Property Thirty [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 35      
Gross Carrying Amount at Year-End, Land 631      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,342      
Total 2,973      
Accumulated Depreciation 278      
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 1,318      
Initial Cost to Company, Buildings and Improvements 2,394      
Subsequent Additions 3      
Gross Carrying Amount at Year-End, Land 1,318      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,397      
Total 3,715      
Accumulated Depreciation 272      
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 1,942      
Initial Cost to Company, Buildings and Improvements 2,647      
Subsequent Additions 11      
Gross Carrying Amount at Year-End, Land 1,942      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,658      
Total 4,600      
Accumulated Depreciation 354      
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 1,339      
Initial Cost to Company, Buildings and Improvements 2,830      
Subsequent Additions 17      
Gross Carrying Amount at Year-End, Land 1,339      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,847      
Total 4,186      
Accumulated Depreciation 291      
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 1,105      
Initial Cost to Company, Buildings and Improvements 2,672      
Subsequent Additions 5      
Gross Carrying Amount at Year-End, Land 1,105      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,677      
Total 3,782      
Accumulated Depreciation 331      
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 1,542      
Initial Cost to Company, Buildings and Improvements 2,127      
Subsequent Additions 4      
Gross Carrying Amount at Year-End, Land 1,542      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,131      
Total 3,673      
Accumulated Depreciation 262      
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 1,478      
Initial Cost to Company, Buildings and Improvements 4,534      
Subsequent Additions 2      
Gross Carrying Amount at Year-End, Land 1,478      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,536      
Total 6,014      
Accumulated Depreciation 329      
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 3,245      
Initial Cost to Company, Buildings and Improvements 4,420      
Subsequent Additions 1,383      
Gross Carrying Amount at Year-End, Land 3,245      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,803      
Total 9,048      
Accumulated Depreciation 472      
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 670      
Initial Cost to Company, Buildings and Improvements 8,613      
Subsequent Additions 435      
Gross Carrying Amount at Year-End, Land 670      
Gross Carrying Amount at Year-End, Buildings and Improvements 9,048      
Total 9,718      
Accumulated Depreciation 416      
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 538      
Initial Cost to Company, Buildings and Improvements 3,921      
Subsequent Additions 367      
Gross Carrying Amount at Year-End, Land 538      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,288      
Total 4,826      
Accumulated Depreciation 198      
Riverside - San Bernardino - Ontario - Property Forty [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 335      
Gross Carrying Amount at Year-End, Land 382      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,777      
Total 4,159      
Accumulated Depreciation 181      
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 806      
Initial Cost to Company, Buildings and Improvements 3,852      
Subsequent Additions 557      
Gross Carrying Amount at Year-End, Land 806      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,409      
Total 5,215      
Accumulated Depreciation 203      
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 570      
Initial Cost to Company, Buildings and Improvements 4,238      
Subsequent Additions 314      
Gross Carrying Amount at Year-End, Land 570      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,552      
Total 5,122      
Accumulated Depreciation 211      
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 345      
Initial Cost to Company, Buildings and Improvements 3,270      
Subsequent Additions 143      
Gross Carrying Amount at Year-End, Land 345      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,413      
Total 3,758      
Accumulated Depreciation 182      
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 252      
Initial Cost to Company, Buildings and Improvements 4,419      
Subsequent Additions 85      
Gross Carrying Amount at Year-End, Land 252      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,504      
Total 4,756      
Accumulated Depreciation 227      
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 2,691      
Initial Cost to Company, Buildings and Improvements 3,950      
Subsequent Additions 198      
Gross Carrying Amount at Year-End, Land 2,691      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,148      
Total 6,839      
Accumulated Depreciation 175      
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 302      
Initial Cost to Company, Buildings and Improvements 4,169      
Subsequent Additions 68      
Gross Carrying Amount at Year-End, Land 302      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,237      
Total 4,539      
Accumulated Depreciation 113      
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 896      
Initial Cost to Company, Buildings and Improvements 6,397      
Subsequent Additions 117      
Gross Carrying Amount at Year-End, Land 896      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,514      
Total 7,410      
Accumulated Depreciation 167      
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 307      
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 12      
Gross Carrying Amount at Year-End, Land 425      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,261      
Total 7,686      
Accumulated Depreciation 295      
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 784      
Gross Carrying Amount at Year-End, Land 4,323      
Gross Carrying Amount at Year-End, Buildings and Improvements 20,559      
Total 24,882      
Accumulated Depreciation 821      
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 20      
Gross Carrying Amount at Year-End, Land 3,703      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,602      
Total 9,305      
Accumulated Depreciation 667      
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 130      
Gross Carrying Amount at Year-End, Land 3,544      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,045      
Total 8,589      
Accumulated Depreciation 627      
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 67      
Gross Carrying Amount at Year-End, Land 0      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,635      
Total 5,635      
Accumulated Depreciation 465      
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 47      
Gross Carrying Amount at Year-End, Land 0      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,088      
Total 4,088      
Accumulated Depreciation 618      
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 210      
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 15      
Gross Carrying Amount at Year-End, Land 1,710      
Gross Carrying Amount at Year-End, Buildings and Improvements 9,010      
Total 10,720      
Accumulated Depreciation 389      
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 7      
Gross Carrying Amount at Year-End, Land 1,637      
Gross Carrying Amount at Year-End, Buildings and Improvements 11,908      
Total 13,545      
Accumulated Depreciation 169      
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 45      
Gross Carrying Amount at Year-End, Land 455      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,396      
Total 1,851      
Accumulated Depreciation 381      
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 1,088      
Gross Carrying Amount at Year-End, Land 588      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,250      
Total 3,838      
Accumulated Depreciation 797      
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 942      
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 319      
Gross Carrying Amount at Year-End, Land 414      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,854      
Total 2,268      
Accumulated Depreciation 498      
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 108      
Gross Carrying Amount at Year-End, Land 300      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,909      
Total 2,209      
Accumulated Depreciation 415      
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 5      
Gross Carrying Amount at Year-End, Land 766      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,906      
Total 6,672      
Accumulated Depreciation 44      
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 2,301      
Gross Carrying Amount at Year-End, Land 868      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,429      
Total 3,297      
Accumulated Depreciation 467      
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 20      
Gross Carrying Amount at Year-End, Land 938      
Gross Carrying Amount at Year-End, Buildings and Improvements 8,469      
Total 9,407      
Accumulated Depreciation 275      
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 157      
Gross Carrying Amount at Year-End, Land 3,213      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,244      
Total 6,457      
Accumulated Depreciation 851      
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 85      
Gross Carrying Amount at Year-End, Land 2,514      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,871      
Total 4,385      
Accumulated Depreciation 494      
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 181      
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 31      
Gross Carrying Amount at Year-End, Land 4,122      
Gross Carrying Amount at Year-End, Buildings and Improvements 8,484      
Total 12,606      
Accumulated Depreciation 515      
Cape Coral - Fort Myers - Property Two [Member] | Florida [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 571      
Initial Cost to Company, Buildings and Improvements 3,256      
Subsequent Additions 36      
Gross Carrying Amount at Year-End, Land 571      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,292      
Total 3,863      
Accumulated Depreciation 278      
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 39      
Gross Carrying Amount at Year-End, Land 2,087      
Gross Carrying Amount at Year-End, Buildings and Improvements 19,512      
Total 21,599      
Accumulated Depreciation 643      
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 74      
Gross Carrying Amount at Year-End, Land 1,265      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,197      
Total 3,462      
Accumulated Depreciation 324      
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 20      
Gross Carrying Amount at Year-End, Land 1,629      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,949      
Total 6,578      
Accumulated Depreciation 217      
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 0      
Gross Carrying Amount at Year-End, Land 527      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,434      
Total 2,961      
Accumulated Depreciation 6      
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 133      
Gross Carrying Amount at Year-End, Land 972      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,292      
Total 3,264      
Accumulated Depreciation 232      
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 48      
Gross Carrying Amount at Year-End, Land 3,849      
Gross Carrying Amount at Year-End, Buildings and Improvements 16,736      
Total 20,585      
Accumulated Depreciation 863      
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 5      
Gross Carrying Amount at Year-End, Land 2,211      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,687      
Total 7,898      
Accumulated Depreciation 337      
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 58      
Gross Carrying Amount at Year-End, Land 2,488      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,340      
Total 9,828      
Accumulated Depreciation 411      
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 15      
Gross Carrying Amount at Year-End, Land 1,767      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,970      
Total 7,737      
Accumulated Depreciation 382      
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 99      
Gross Carrying Amount at Year-End, Land 2,143      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,104      
Total 7,247      
Accumulated Depreciation 426      
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 31      
Gross Carrying Amount at Year-End, Land 1,924      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,545      
Total 6,469      
Accumulated Depreciation 322      
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 203      
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 4      
Gross Carrying Amount at Year-End, Land 1,839      
Gross Carrying Amount at Year-End, Buildings and Improvements 8,381      
Total 10,220      
Accumulated Depreciation 423      
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 13      
Gross Carrying Amount at Year-End, Land 2,507      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,779      
Total 10,286      
Accumulated Depreciation 429      
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 11      
Gross Carrying Amount at Year-End, Land 1,685      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,450      
Total 7,135      
Accumulated Depreciation 329      
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 33      
Gross Carrying Amount at Year-End, Land 437      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,161      
Total 5,598      
Accumulated Depreciation 306      
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 4      
Gross Carrying Amount at Year-End, Land 1,015      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,035      
Total 4,050      
Accumulated Depreciation 170      
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 668      
Gross Carrying Amount at Year-End, Land 1,985      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,967      
Total 6,952      
Accumulated Depreciation 172      
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 0      
Gross Carrying Amount at Year-End, Land 1,336      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,085      
Total 5,421      
Accumulated Depreciation 93      
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 81      
Gross Carrying Amount at Year-End, Land 2,426      
Gross Carrying Amount at Year-End, Buildings and Improvements 9,395      
Total 11,821      
Accumulated Depreciation 362      
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 74      
Gross Carrying Amount at Year-End, Land 2,166      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,746      
Total 6,912      
Accumulated Depreciation 204      
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 74      
Gross Carrying Amount at Year-End, Land 4,583      
Gross Carrying Amount at Year-End, Buildings and Improvements 8,826      
Total 13,409      
Accumulated Depreciation 425      
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 142      
Gross Carrying Amount at Year-End, Land 4,181      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,410      
Total 8,591      
Accumulated Depreciation 102      
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 54      
Gross Carrying Amount at Year-End, Land 1,025      
Gross Carrying Amount at Year-End, Buildings and Improvements 8,211      
Total 9,236      
Accumulated Depreciation 55      
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 62      
Gross Carrying Amount at Year-End, Land 1,157      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,141      
Total 3,298      
Accumulated Depreciation 70      
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 20      
Gross Carrying Amount at Year-End, Land 5,436      
Gross Carrying Amount at Year-End, Buildings and Improvements 10,112      
Total 15,548      
Accumulated Depreciation 619      
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 29      
Gross Carrying Amount at Year-End, Land 361      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,267      
Total 1,628      
Accumulated Depreciation 180      
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 22      
Gross Carrying Amount at Year-End, Land 3,581      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,634      
Total 6,215      
Accumulated Depreciation 96      
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 56      
Gross Carrying Amount at Year-End, Land 4,708      
Gross Carrying Amount at Year-End, Buildings and Improvements 14,040      
Total 18,748      
Accumulated Depreciation 279      
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 97      
Gross Carrying Amount at Year-End, Land 515      
Gross Carrying Amount at Year-End, Buildings and Improvements 784      
Total 1,299      
Accumulated Depreciation 227      
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 275      
Gross Carrying Amount at Year-End, Land 272      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,632      
Total 1,904      
Accumulated Depreciation 443      
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 293      
Gross Carrying Amount at Year-End, Land 702      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,292      
Total 2,994      
Accumulated Depreciation 646      
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 159      
Gross Carrying Amount at Year-End, Land 1,413      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,749      
Total 3,162      
Accumulated Depreciation 492      
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 129      
Gross Carrying Amount at Year-End, Land 341      
Gross Carrying Amount at Year-End, Buildings and Improvements 691      
Total 1,032      
Accumulated Depreciation 212      
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 169      
Gross Carrying Amount at Year-End, Land 553      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,016      
Total 1,569      
Accumulated Depreciation 305      
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 260      
Gross Carrying Amount at Year-End, Land 85      
Gross Carrying Amount at Year-End, Buildings and Improvements 705      
Total 790      
Accumulated Depreciation 223      
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 235      
Gross Carrying Amount at Year-End, Land 494      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,450      
Total 2,944      
Accumulated Depreciation 653      
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 1,674      
Gross Carrying Amount at Year-End, Land 1,614      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,150      
Total 5,764      
Accumulated Depreciation 239      
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 218      
Gross Carrying Amount at Year-End, Land 1,595      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,361      
Total 3,956      
Accumulated Depreciation 250      
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 10      
Gross Carrying Amount at Year-End, Land 666      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,971      
Total 6,637      
Accumulated Depreciation 100      
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 6      
Gross Carrying Amount at Year-End, Land 1,028      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,047      
Total 8,075      
Accumulated Depreciation 70      
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 7      
Gross Carrying Amount at Year-End, Land 748      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,389      
Total 4,137      
Accumulated Depreciation 30      
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 7      
Gross Carrying Amount at Year-End, Land 703      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,021      
Total 4,724      
Accumulated Depreciation 35      
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 4      
Gross Carrying Amount at Year-End, Land 1,873      
Gross Carrying Amount at Year-End, Buildings and Improvements 9,113      
Total 10,986      
Accumulated Depreciation 73      
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 5      
Gross Carrying Amount at Year-End, Land 547      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,078      
Total 4,625      
Accumulated Depreciation 34      
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 0      
Gross Carrying Amount at Year-End, Land 1,499      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,279      
Total 6,778      
Accumulated Depreciation 45      
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 4      
Gross Carrying Amount at Year-End, Land 763      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,139      
Total 5,902      
Accumulated Depreciation 36      
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 0      
Gross Carrying Amount at Year-End, Land 795      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,941      
Total 3,736      
Accumulated Depreciation 25      
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 9      
Gross Carrying Amount at Year-End, Land 1,356      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,525      
Total 8,881      
Accumulated Depreciation 61      
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 0      
Gross Carrying Amount at Year-End, Land 912      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,074      
Total 5,986      
Accumulated Depreciation 37      
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 10      
Gross Carrying Amount at Year-End, Land 570      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,487      
Total 4,057      
Accumulated Depreciation 30      
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 1,052      
Initial Cost to Company, Buildings and Improvements 7,102      
Subsequent Additions 4      
Gross Carrying Amount at Year-End, Land 1,052      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,106      
Total 8,158      
Accumulated Depreciation 50      
Atlanta - Sandy Springs - Rosewell [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 12      
Gross Carrying Amount at Year-End, Land 430      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,482      
Total 3,912      
Accumulated Depreciation 246      
Atlanta - Sandy Springs - Rosewell - Property Two [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 2      
Gross Carrying Amount at Year-End, Land 972      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,344      
Total 3,316      
Accumulated Depreciation 126      
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 210      
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 141      
Gross Carrying Amount at Year-End, Land 205      
Gross Carrying Amount at Year-End, Buildings and Improvements 827      
Total 1,032      
Accumulated Depreciation 238      
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 156      
Gross Carrying Amount at Year-End, Land 169      
Gross Carrying Amount at Year-End, Buildings and Improvements 498      
Total 667      
Accumulated Depreciation 118      
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 235      
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 317      
Gross Carrying Amount at Year-End, Land 1,741      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,477      
Total 3,218      
Accumulated Depreciation 366      
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 164      
Gross Carrying Amount at Year-End, Land 597      
Gross Carrying Amount at Year-End, Buildings and Improvements 926      
Total 1,523      
Accumulated Depreciation 264      
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 20      
Gross Carrying Amount at Year-End, Land 409      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,355      
Total 1,764      
Accumulated Depreciation 313      
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 132      
Gross Carrying Amount at Year-End, Land 811      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,313      
Total 2,124      
Accumulated Depreciation 301      
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 95      
Gross Carrying Amount at Year-End, Land 225      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,489      
Total 4,714      
Accumulated Depreciation 63      
St. Louis, Property One [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 15      
Gross Carrying Amount at Year-End, Land 352      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,115      
Total 7,467      
Accumulated Depreciation 108      
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 57      
Gross Carrying Amount at Year-End, Land 179      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,211      
Total 5,390      
Accumulated Depreciation 74      
St. Louis, Property Two [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 13      
Gross Carrying Amount at Year-End, Land 163      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,038      
Total 1,201      
Accumulated Depreciation 16      
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 76      
Gross Carrying Amount at Year-End, Land 226      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,164      
Total 3,390      
Accumulated Depreciation 50      
St. Louis, Property Three [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 18      
Gross Carrying Amount at Year-End, Land 354      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,052      
Total 4,406      
Accumulated Depreciation 62      
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 72      
Gross Carrying Amount at Year-End, Land 174      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,410      
Total 3,584      
Accumulated Depreciation 39      
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 12      
Gross Carrying Amount at Year-End, Land 855      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,285      
Total 8,140      
Accumulated Depreciation 482      
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 8      
Gross Carrying Amount at Year-End, Land 815      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,852      
Total 4,667      
Accumulated Depreciation 316      
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 12      
Gross Carrying Amount at Year-End, Land 688      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,857      
Total 4,545      
Accumulated Depreciation 319      
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 31      
Gross Carrying Amount at Year-End, Land 626      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,080      
Total 4,706      
Accumulated Depreciation 296      
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 274      
Gross Carrying Amount at Year-End, Land 1,118      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,718      
Total 5,836      
Accumulated Depreciation 416      
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 37      
Gross Carrying Amount at Year-End, Land 614      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,524      
Total 6,138      
Accumulated Depreciation 354      
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 14      
Gross Carrying Amount at Year-End, Land 619      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,154      
Total 2,773      
Accumulated Depreciation 140      
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 27      
Gross Carrying Amount at Year-End, Land 689      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,971      
Total 7,660      
Accumulated Depreciation 272      
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 20      
Gross Carrying Amount at Year-End, Land 609      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,192      
Total 3,801      
Accumulated Depreciation 172      
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 19      
Gross Carrying Amount at Year-End, Land 532      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,460      
Total 5,992      
Accumulated Depreciation 211      
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 10      
Gross Carrying Amount at Year-End, Land 433      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,827      
Total 6,260      
Accumulated Depreciation 216      
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 22      
Gross Carrying Amount at Year-End, Land 688      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,435      
Total 6,123      
Accumulated Depreciation 244      
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 22      
Gross Carrying Amount at Year-End, Land 575      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,190      
Total 5,765      
Accumulated Depreciation 216      
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 16      
Gross Carrying Amount at Year-End, Land 522      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,382      
Total 5,904      
Accumulated Depreciation 212      
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 30      
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 0      
Gross Carrying Amount at Year-End, Land 1,257      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,694      
Total 7,951      
Accumulated Depreciation 57      
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 30      
Gross Carrying Amount at Year-End, Land 816      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,462      
Total 6,278      
Accumulated Depreciation 47      
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 24      
Gross Carrying Amount at Year-End, Land 975      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,991      
Total 7,966      
Accumulated Depreciation 64      
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 23      
Gross Carrying Amount at Year-End, Land 719      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,166      
Total 5,885      
Accumulated Depreciation 39      
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 28      
Gross Carrying Amount at Year-End, Land 2,174      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,695      
Total 5,869      
Accumulated Depreciation 370      
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 57      
Gross Carrying Amount at Year-End, Land 386      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,801      
Total 2,187      
Accumulated Depreciation 119      
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 505      
Gross Carrying Amount at Year-End, Land 1,098      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,713      
Total 6,811      
Accumulated Depreciation 398      
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 221      
Gross Carrying Amount at Year-End, Land 1,203      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,377      
Total 4,580      
Accumulated Depreciation 219      
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 260      
Gross Carrying Amount at Year-End, Land 755      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,962      
Total 3,717      
Accumulated Depreciation 188      
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 112      
Gross Carrying Amount at Year-End, Land 1,287      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,347      
Total 7,634      
Accumulated Depreciation 394      
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 52      
Gross Carrying Amount at Year-End, Land 1,549      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,936      
Total 6,485      
Accumulated Depreciation 365      
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 31      
Gross Carrying Amount at Year-End, Land 964      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,604      
Total 4,568      
Accumulated Depreciation 433      
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 24      
Gross Carrying Amount at Year-End, Land 772      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,930      
Total 3,702      
Accumulated Depreciation 349      
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 28      
Gross Carrying Amount at Year-End, Land 479      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,467      
Total 1,946      
Accumulated Depreciation 184      
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 42      
Gross Carrying Amount at Year-End, Land 475      
Gross Carrying Amount at Year-End, Buildings and Improvements 896      
Total 1,371      
Accumulated Depreciation 135      
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 6      
Gross Carrying Amount at Year-End, Land 645      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,010      
Total 2,655      
Accumulated Depreciation 28      
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 28      
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 12      
Gross Carrying Amount at Year-End, Land 906      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,630      
Total 4,536      
Accumulated Depreciation 31      
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 13      
Gross Carrying Amount at Year-End, Land 0      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,126      
Total 5,126      
Accumulated Depreciation 33      
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 7      
Gross Carrying Amount at Year-End, Land 414      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,129      
Total 4,543      
Accumulated Depreciation 83      
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 244      
Gross Carrying Amount at Year-End, Land 645      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,657      
Total 3,302      
Accumulated Depreciation 262      
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 141      
Gross Carrying Amount at Year-End, Land 224      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,193      
Total 1,417      
Accumulated Depreciation 264      
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 189      
Gross Carrying Amount at Year-End, Land 382      
Gross Carrying Amount at Year-End, Buildings and Improvements 992      
Total 1,374      
Accumulated Depreciation 224      
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 66      
Gross Carrying Amount at Year-End, Land 1,871      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,240      
Total 6,111      
Accumulated Depreciation 422      
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 42      
Gross Carrying Amount at Year-End, Land 1,108      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,977      
Total 5,085      
Accumulated Depreciation 407      
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 155      
Gross Carrying Amount at Year-End, Land 2,301      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,613      
Total 6,914      
Accumulated Depreciation 505      
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 83      
Gross Carrying Amount at Year-End, Land 1,862      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,380      
Total 5,242      
Accumulated Depreciation 366      
Durham - Chapel Hill [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 188      
Gross Carrying Amount at Year-End, Land 390      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,213      
Total 1,603      
Accumulated Depreciation 343      
Durham - Chapel Hill, Property Two [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 225      
Gross Carrying Amount at Year-End, Land 663      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,968      
Total 3,631      
Accumulated Depreciation 805      
Durham - Chapel Hill, Property Three [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 386      
Gross Carrying Amount at Year-End, Land 1,024      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,769      
Total 2,793      
Accumulated Depreciation 466      
Durham - Chapel Hill, Property Four [Member] | North Carolina [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,711      
Initial Cost to Company, Buildings and Improvements 4,180      
Subsequent Additions 21      
Gross Carrying Amount at Year-End, Land 1,711      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,201      
Total 5,912      
Accumulated Depreciation 382      
Fayetteville [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 1,659      
Gross Carrying Amount at Year-End, Land 636      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,828      
Total 4,464      
Accumulated Depreciation 986      
Fayetteville, Property Two [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 254      
Gross Carrying Amount at Year-End, Land 151      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,646      
Total 5,797      
Accumulated Depreciation 1,454      
Fayetteville, Property Three [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 20      
Gross Carrying Amount at Year-End, Land 1,319      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,464      
Total 4,783      
Accumulated Depreciation 539      
Fayetteville, Property Four [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 24      
Gross Carrying Amount at Year-End, Land 772      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,430      
Total 4,202      
Accumulated Depreciation 439      
Fayetteville, Property Five [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 25      
Gross Carrying Amount at Year-End, Land 1,276      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,552      
Total 5,828      
Accumulated Depreciation 527      
Fayetteville, Property Six [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 0      
Gross Carrying Amount at Year-End, Land 1,195      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,072      
Total 3,267      
Accumulated Depreciation 174      
Fayetteville, Property Seven [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 22      
Gross Carrying Amount at Year-End, Land 830      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,732      
Total 4,562      
Accumulated Depreciation 256      
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 199      
Gross Carrying Amount at Year-End, Land 873      
Gross Carrying Amount at Year-End, Buildings and Improvements 968      
Total 1,841      
Accumulated Depreciation 286      
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 115      
Gross Carrying Amount at Year-End, Land 965      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,853      
Total 7,818      
Accumulated Depreciation 135      
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 5      
Gross Carrying Amount at Year-End, Land 530      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,399      
Total 2,929      
Accumulated Depreciation 280      
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 19      
Gross Carrying Amount at Year-End, Land 2,053      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,444      
Total 7,497      
Accumulated Depreciation 112      
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 76      
Gross Carrying Amount at Year-End, Land 550      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,485      
Total 3,035      
Accumulated Depreciation 37      
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 12      
Gross Carrying Amount at Year-End, Land 667      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,078      
Total 2,745      
Accumulated Depreciation 257      
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 27      
Gross Carrying Amount at Year-End, Land 689      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,180      
Total 3,869      
Accumulated Depreciation 323      
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 5      
Gross Carrying Amount at Year-End, Land 2,093      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,050      
Total 4,143      
Accumulated Depreciation 46      
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 167      
Gross Carrying Amount at Year-End, Land 396      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,867      
Total 2,263      
Accumulated Depreciation 534      
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 134      
Gross Carrying Amount at Year-End, Land 393      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,324      
Total 1,717      
Accumulated Depreciation 374      
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 105      
Gross Carrying Amount at Year-End, Land 907      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,018      
Total 3,925      
Accumulated Depreciation 804      
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 70      
Gross Carrying Amount at Year-End, Land 1,578      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,748      
Total 6,326      
Accumulated Depreciation 422      
Wilmington [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 94      
Gross Carrying Amount at Year-End, Land 1,283      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,841      
Total 3,124      
Accumulated Depreciation 499      
Wilmington, Property Two [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 71      
Gross Carrying Amount at Year-End, Land 860      
Gross Carrying Amount at Year-End, Buildings and Improvements 899      
Total 1,759      
Accumulated Depreciation 245      
Wilmington, Property Three [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 35      
Gross Carrying Amount at Year-End, Land 1,881      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,653      
Total 6,534      
Accumulated Depreciation 438      
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 169      
Concord [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 22      
Gross Carrying Amount at Year-End, Land 632      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,062      
Total 1,694      
Accumulated Depreciation 360      
Concord, Property Two [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 19      
Gross Carrying Amount at Year-End, Land 197      
Gross Carrying Amount at Year-End, Buildings and Improvements 920      
Total 1,117      
Accumulated Depreciation 281      
Dover - Durham [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 44      
Gross Carrying Amount at Year-End, Land 1,488      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,344      
Total 8,832      
Accumulated Depreciation 1,025      
Boston - Cambridge - Quincy [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 38      
Gross Carrying Amount at Year-End, Land 899      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,901      
Total 4,800      
Accumulated Depreciation 308      
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 19      
Gross Carrying Amount at Year-End, Land 1,786      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,119      
Total 7,905      
Accumulated Depreciation 411      
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 29      
Gross Carrying Amount at Year-End, Land 1,395      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,602      
Total 6,997      
Accumulated Depreciation 347      
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 14      
Gross Carrying Amount at Year-End, Land 1,528      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,700      
Total 4,228      
Accumulated Depreciation 250      
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 66      
Gross Carrying Amount at Year-End, Land 1,597      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,204      
Total 4,801      
Accumulated Depreciation 249      
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 58      
Gross Carrying Amount at Year-End, Land 1,445      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,015      
Total 4,460      
Accumulated Depreciation 248      
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 157      
Gross Carrying Amount at Year-End, Land 1,089      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,002      
Total 4,091      
Accumulated Depreciation 233      
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 181      
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 54      
Gross Carrying Amount at Year-End, Land 1,757      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,277      
Total 6,034      
Accumulated Depreciation 243      
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 51      
Gross Carrying Amount at Year-End, Land 1,121      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,561      
Total 2,682      
Accumulated Depreciation 113      
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 187      
Gross Carrying Amount at Year-End, Land 2,160      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,731      
Total 6,891      
Accumulated Depreciation 179      
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 83      
Gross Carrying Amount at Year-End, Land 1,169      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,699      
Total 4,868      
Accumulated Depreciation 1,009      
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 66      
Gross Carrying Amount at Year-End, Land 389      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,916      
Total 3,305      
Accumulated Depreciation 474      
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 86      
Gross Carrying Amount at Year-End, Land 794      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,492      
Total 2,286      
Accumulated Depreciation 309      
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 60      
Gross Carrying Amount at Year-End, Land 2,362      
Gross Carrying Amount at Year-End, Buildings and Improvements 8,505      
Total 10,867      
Accumulated Depreciation 97      
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 13      
Gross Carrying Amount at Year-End, Land 2,157      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,766      
Total 4,923      
Accumulated Depreciation 46      
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 82      
Gross Carrying Amount at Year-End, Land 1,296      
Gross Carrying Amount at Year-End, Buildings and Improvements 8,121      
Total 9,417      
Accumulated Depreciation 85      
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 120      
Gross Carrying Amount at Year-End, Land 828      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,150      
Total 2,978      
Accumulated Depreciation 33      
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 125      
Gross Carrying Amount at Year-End, Land 3,864      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,995      
Total 6,859      
Accumulated Depreciation 65      
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 19      
Gross Carrying Amount at Year-End, Land 83      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,930      
Total 3,013      
Accumulated Depreciation 132      
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 32      
Gross Carrying Amount at Year-End, Land 292      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,139      
Total 2,431      
Accumulated Depreciation 199      
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 24      
Gross Carrying Amount at Year-End, Land 169      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,726      
Total 2,895      
Accumulated Depreciation 116      
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 22      
Gross Carrying Amount at Year-End, Land 193      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,345      
Total 3,538      
Accumulated Depreciation 128      
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 23      
Gross Carrying Amount at Year-End, Land 490      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,073      
Total 1,563      
Accumulated Depreciation 73      
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 29      
Gross Carrying Amount at Year-End, Land 845      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,945      
Total 5,790      
Accumulated Depreciation 223      
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 23      
Gross Carrying Amount at Year-End, Land 842      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,067      
Total 2,909      
Accumulated Depreciation 148      
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 920      
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 76      
Gross Carrying Amount at Year-End, Land 213      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,459      
Total 1,672      
Accumulated Depreciation 406      
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 434      
Gross Carrying Amount at Year-End, Land 561      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,789      
Total 3,350      
Accumulated Depreciation 850      
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 443      
Gross Carrying Amount at Year-End, Land 349      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,811      
Total 3,160      
Accumulated Depreciation 836      
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 106      
Gross Carrying Amount at Year-End, Land 466      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,650      
Total 3,116      
Accumulated Depreciation 730      
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 515      
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 565      
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 116      
Gross Carrying Amount at Year-End, Land 220      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,722      
Total 1,942      
Accumulated Depreciation 475      
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 36      
Gross Carrying Amount at Year-End, Land 376      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,496      
Total 1,872      
Accumulated Depreciation 405      
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 89      
Gross Carrying Amount at Year-End, Land 337      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,877      
Total 3,214      
Accumulated Depreciation 784      
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 1,169      
Gross Carrying Amount at Year-End, Land 814      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,330      
Total 5,144      
Accumulated Depreciation 843      
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 1,751      
Gross Carrying Amount at Year-End, Land 590      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,253      
Total 3,843      
Accumulated Depreciation 801      
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 451      
Gross Carrying Amount at Year-End, Land 205      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,223      
Total 2,428      
Accumulated Depreciation 642      
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 0      
Gross Carrying Amount at Year-End, Land 701      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,926      
Total 5,627      
Accumulated Depreciation 210      
Oklahoma City - Property Fifteen [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 10      
Gross Carrying Amount at Year-End, Land 1,082      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,228      
Total 5,310      
Accumulated Depreciation 292      
Oklahoma City - Property Sixteen [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 247      
Oklahoma City - Property Seventeen [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 4      
Gross Carrying Amount at Year-End, Land 1,135      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,763      
Total 4,898      
Accumulated Depreciation 275      
Tulsa [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 73      
Gross Carrying Amount at Year-End, Land 548      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,965      
Total 2,513      
Accumulated Depreciation 529      
Tulsa, Property Two [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 372      
Gross Carrying Amount at Year-End, Land 764      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,758      
Total 2,522      
Accumulated Depreciation 494      
Tulsa, Property Three [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 112      
Gross Carrying Amount at Year-End, Land 1,305      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,645      
Total 3,950      
Accumulated Depreciation 720      
Tulsa, Property Four [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 223      
Gross Carrying Amount at Year-End, Land 940      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,419      
Total 3,359      
Accumulated Depreciation 665      
Tulsa, Property Five [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 300      
Gross Carrying Amount at Year-End, Land 59      
Gross Carrying Amount at Year-End, Buildings and Improvements 766      
Total 825      
Accumulated Depreciation 205      
Tulsa, Property Six [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 222      
Gross Carrying Amount at Year-End, Land 426      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,646      
Total 2,072      
Accumulated Depreciation 530      
Tulsa, Property Seven [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 148      
Gross Carrying Amount at Year-End, Land 250      
Gross Carrying Amount at Year-End, Buildings and Improvements 815      
Total 1,065      
Accumulated Depreciation 246      
Tulsa, Property Eight [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 55      
Gross Carrying Amount at Year-End, Land 944      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,140      
Total 3,084      
Accumulated Depreciation 540      
Tulsa, Property Nine [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 615      
Tulsa, Property Ten [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 65      
Gross Carrying Amount at Year-End, Land 492      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,408      
Total 1,900      
Accumulated Depreciation 356      
Tulsa, Property Eleven [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 724      
Gross Carrying Amount at Year-End, Land 505      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,070      
Total 2,575      
Accumulated Depreciation 669      
Tulsa, Property Twelve [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 102      
Gross Carrying Amount at Year-End, Land 466      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,372      
Total 1,838      
Accumulated Depreciation 356      
Tulsa, Property Thirteen [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 44      
Gross Carrying Amount at Year-End, Land 1,103      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,475      
Total 5,578      
Accumulated Depreciation 1,316      
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 7      
Gross Carrying Amount at Year-End, Land 295      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,376      
Total 1,671      
Accumulated Depreciation 382      
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 29      
Gross Carrying Amount at Year-End, Land 1,692      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,439      
Total 4,131      
Accumulated Depreciation 722      
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 3      
Gross Carrying Amount at Year-End, Land 571      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,920      
Total 2,491      
Accumulated Depreciation 353      
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 369      
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 77      
Gross Carrying Amount at Year-End, Land 690      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,060      
Total 2,750      
Accumulated Depreciation 363      
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 346      
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 6      
Gross Carrying Amount at Year-End, Land 800      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,842      
Total 3,642      
Accumulated Depreciation 458      
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 0      
Gross Carrying Amount at Year-End, Land 2,688      
Gross Carrying Amount at Year-End, Buildings and Improvements 10,731      
Total 13,419      
Accumulated Depreciation 684      
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 0      
Gross Carrying Amount at Year-End, Land 382      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,465      
Total 1,847      
Accumulated Depreciation 310      
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 62      
Gross Carrying Amount at Year-End, Land 710      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,601      
Total 2,311      
Accumulated Depreciation 406      
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 32      
Gross Carrying Amount at Year-End, Land 842      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,706      
Total 2,548      
Accumulated Depreciation 456      
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 313      
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 37      
Gross Carrying Amount at Year-End, Land 1,149      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,098      
Total 3,247      
Accumulated Depreciation 404      
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 105      
Gross Carrying Amount at Year-End, Land 728      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,335      
Total 4,063      
Accumulated Depreciation 458      
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 87      
Gross Carrying Amount at Year-End, Land 1,601      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,773      
Total 4,374      
Accumulated Depreciation 649      
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 0      
Gross Carrying Amount at Year-End, Land 997      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,874      
Total 2,871      
Accumulated Depreciation 242      
Portland - Vancouver - Hillsboro [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 4      
Gross Carrying Amount at Year-End, Land 851      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,067      
Total 2,918      
Accumulated Depreciation 352      
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 0      
Gross Carrying Amount at Year-End, Land 421      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,313      
Total 2,734      
Accumulated Depreciation 390      
Portland - Vancouver - Hillsboro, Property Two [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 99      
Gross Carrying Amount at Year-End, Land 1,704      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,412      
Total 4,116      
Accumulated Depreciation 568      
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 0      
Gross Carrying Amount at Year-End, Land 1,903      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,239      
Total 4,142      
Accumulated Depreciation 482      
Portland - Vancouver - Hillsboro, Property Three [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 492      
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 6      
Gross Carrying Amount at Year-End, Land 923      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,827      
Total 3,750      
Accumulated Depreciation 467      
Portland - Vancouver - Hillsboro, Property Four [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 1,022      
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 0      
Gross Carrying Amount at Year-End, Land 935      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,045      
Total 2,980      
Accumulated Depreciation 291      
Portland - Vancouver - Hillsboro, Property Five [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 408      
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 117      
Gross Carrying Amount at Year-End, Land 478      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,275      
Total 2,753      
Accumulated Depreciation 355      
Portland - Vancouver - Hillsboro, Property Six [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 139      
Gross Carrying Amount at Year-End, Land 1,077      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,147      
Total 4,224      
Accumulated Depreciation 468      
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 21      
Gross Carrying Amount at Year-End, Land 2,023      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,505      
Total 5,528      
Accumulated Depreciation 556      
Portland - Vancouver - Hillsboro, Property Seven [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 18      
Gross Carrying Amount at Year-End, Land 1,072      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,647      
Total 3,719      
Accumulated Depreciation 557      
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 0      
Gross Carrying Amount at Year-End, Land 1,870      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,632      
Total 6,502      
Accumulated Depreciation 181      
Portland - Vancouver - Hillsboro, Property Eight [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 626      
Portland - Vancouver - Hillsboro, Property Nine [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 126      
Gross Carrying Amount at Year-End, Land 1,334      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,450      
Total 3,784      
Accumulated Depreciation 486      
Portland - Vancouver - Hillsboro, Property Ten [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 89      
Gross Carrying Amount at Year-End, Land 996      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,614      
Total 3,610      
Accumulated Depreciation 500      
Portland - Vancouver - Hillsboro, Property Eleven [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 79      
Gross Carrying Amount at Year-End, Land 1,496      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,451      
Total 4,947      
Accumulated Depreciation 535      
Portland - Vancouver - Hillsboro, Property Twelve [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 41      
Gross Carrying Amount at Year-End, Land 954      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,067      
Total 4,021      
Accumulated Depreciation 436      
Portland - Vancouver - Hillsboro, Property Thirteen [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 429      
Portland - Vancouver - Hillsboro, Property Fourteen [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 66      
Gross Carrying Amount at Year-End, Land 2,509      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,266      
Total 6,775      
Accumulated Depreciation 704      
Portland - Vancouver - Hillsboro, Property Fifteen [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 297      
Portland - Vancouver - Hillsboro, Property Sixteen [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 635      
Portland - Vancouver - Hillsboro, Property Seventeen [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 334      
Portland - Vancouver - Hillsboro, Property Eighteen [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 39      
Gross Carrying Amount at Year-End, Land 1,690      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,034      
Total 4,724      
Accumulated Depreciation 324      
Portland - Vancouver - Hillsboro, Property Nineteen [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 204      
Gross Carrying Amount at Year-End, Land 1,200      
Gross Carrying Amount at Year-End, Buildings and Improvements 9,735      
Total 10,935      
Accumulated Depreciation 1,771      
Portland - Vancouver - Hillsboro, Property Twenty [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 80      
Gross Carrying Amount at Year-End, Land 401      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,798      
Total 4,199      
Accumulated Depreciation 556      
Portland - Vancouver - Hillsboro, Property Twenty One [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,160      
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 470      
Portland - Vancouver - Hillsboro, Property Twenty Two [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,435      
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 622      
Portland - Vancouver - Hillsboro, Property Twenty Three [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 585      
Portland - Vancouver - Hillsboro, Property Twenty Four [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,402      
Initial Cost to Company, Buildings and Improvements 3,196      
Subsequent Additions 0      
Gross Carrying Amount at Year-End, Land 1,402      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,196      
Total 4,598      
Accumulated Depreciation 434      
Portland - Vancouver - Hillsboro, Property Twenty Five [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 569      
Portland - Vancouver - Hillsboro, Property Twenty Six [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,501      
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 445      
Portland - Vancouver - Hillsboro, Property Twenty Seven [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,746      
Initial Cost to Company, Buildings and Improvements 3,393      
Subsequent Additions 11      
Gross Carrying Amount at Year-End, Land 1,746      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,404      
Total 5,150      
Accumulated Depreciation 482      
Portland - Vancouver - Hillsboro, Property Twenty Eight [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 11      
Gross Carrying Amount at Year-End, Land 1,014      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,028      
Total 4,042      
Accumulated Depreciation 445      
Portland - Vancouver - Hillsboro, Property Twenty Nine [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 113      
Gross Carrying Amount at Year-End, Land 2,202      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,590      
Total 5,792      
Accumulated Depreciation 521      
Portland - Vancouver - Hillsboro, Property Thirty [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 0      
Gross Carrying Amount at Year-End, Land 1,764      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,360      
Total 9,124      
Accumulated Depreciation 829      
Portland - Vancouver - Hillsboro, Property Thirty One [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 561      
Portland - Vancouver - Hillsboro, Property Thirty Two [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 48      
Portland - Vancouver - Hillsboro - Property Thirty Three [Member] | Oregon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost to Company, Land 1,258      
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 208      
Portland - Vancouver - Hillsboro - Property Thirty Four [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 33      
Gross Carrying Amount at Year-End, Land 2,334      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,759      
Total 10,093      
Accumulated Depreciation 298      
Portland - Vancouver - Hillsboro - Property Thirty Five [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 17      
Portland - Vancouver - Hillsboro - Property Thirty Six [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 0      
Gross Carrying Amount at Year-End, Land 2,002      
Gross Carrying Amount at Year-End, Buildings and Improvements 14,445      
Total 16,447      
Accumulated Depreciation 24      
Portland - Vancouver - Hillsboro - Property Thirty Seven [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 118      
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 0      
Gross Carrying Amount at Year-End, Land 427      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,648      
Total 2,075      
Accumulated Depreciation 227      
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 79      
Gross Carrying Amount at Year-End, Land 474      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,868      
Total 2,342      
Accumulated Depreciation 371      
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 413      
Gross Carrying Amount at Year-End, Land 1,405      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,063      
Total 4,468      
Accumulated Depreciation 607      
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 112      
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 0      
Gross Carrying Amount at Year-End, Land 1,108      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,100      
Total 3,208      
Accumulated Depreciation 293      
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 119      
Gross Carrying Amount at Year-End, Land 92      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,095      
Total 1,187      
Accumulated Depreciation 312      
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 32      
Gross Carrying Amount at Year-End, Land 924      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,118      
Total 4,042      
Accumulated Depreciation 303      
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 74      
Gross Carrying Amount at Year-End, Land 82      
Gross Carrying Amount at Year-End, Buildings and Improvements 912      
Total 994      
Accumulated Depreciation 249      
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 23      
Gross Carrying Amount at Year-End, Land 535      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,957      
Total 2,492      
Accumulated Depreciation 185      
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 227      
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 136      
Gross Carrying Amount at Year-End, Land 78      
Gross Carrying Amount at Year-End, Buildings and Improvements 833      
Total 911      
Accumulated Depreciation 196      
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 219      
Austin - Round Rock - San Marcos [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 80      
Gross Carrying Amount at Year-End, Land 937      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,399      
Total 6,336      
Accumulated Depreciation 766      
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 1,395      
Initial Cost to Company, Buildings and Improvements 2,790      
Subsequent Additions 20      
Gross Carrying Amount at Year-End, Land 1,395      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,810      
Total 4,205      
Accumulated Depreciation 616      
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 768      
Initial Cost to Company, Buildings and Improvements 1,923      
Subsequent Additions 111      
Gross Carrying Amount at Year-End, Land 768      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,034      
Total 2,802      
Accumulated Depreciation 297      
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 936      
Initial Cost to Company, Buildings and Improvements 6,446      
Subsequent Additions 15      
Gross Carrying Amount at Year-End, Land 936      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,461      
Total 7,397      
Accumulated Depreciation 40      
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 63      
Gross Carrying Amount at Year-End, Land 845      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,427      
Total 3,272      
Accumulated Depreciation 285      
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 85      
Gross Carrying Amount at Year-End, Land 639      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,759      
Total 2,398      
Accumulated Depreciation 250      
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 178      
Gross Carrying Amount at Year-End, Land 386      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,976      
Total 3,362      
Accumulated Depreciation 201      
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 57      
Gross Carrying Amount at Year-End, Land 618      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,569      
Total 3,187      
Accumulated Depreciation 677      
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 215      
Gross Carrying Amount at Year-End, Land 551      
Gross Carrying Amount at Year-End, Buildings and Improvements 564      
Total 1,115      
Accumulated Depreciation 139      
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 269      
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 63      
Gross Carrying Amount at Year-End, Land 51      
Gross Carrying Amount at Year-End, Buildings and Improvements 186      
Total 237      
Accumulated Depreciation 57      
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 133      
Gross Carrying Amount at Year-End, Land 110      
Gross Carrying Amount at Year-End, Buildings and Improvements 505      
Total 615      
Accumulated Depreciation 116      
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 56      
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 247      
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 52      
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 96      
Gross Carrying Amount at Year-End, Land 98      
Gross Carrying Amount at Year-End, Buildings and Improvements 378      
Total 476      
Accumulated Depreciation 120      
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 94      
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 263      
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 214      
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 37      
Gross Carrying Amount at Year-End, Land 1,388      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,232      
Total 5,620      
Accumulated Depreciation 700      
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 122      
Gross Carrying Amount at Year-End, Land 1,859      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,415      
Total 7,274      
Accumulated Depreciation 847      
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 102      
Gross Carrying Amount at Year-End, Land 379      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,314      
Total 2,693      
Accumulated Depreciation 510      
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 82      
Gross Carrying Amount at Year-End, Land 1,397      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,332      
Total 6,729      
Accumulated Depreciation 782      
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 89      
Gross Carrying Amount at Year-End, Land 2,102      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,844      
Total 7,946      
Accumulated Depreciation 998      
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 35      
Gross Carrying Amount at Year-End, Land 649      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,672      
Total 2,321      
Accumulated Depreciation 532      
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 438      
Gross Carrying Amount at Year-End, Land 396      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,849      
Total 2,245      
Accumulated Depreciation 289      
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 50      
Gross Carrying Amount at Year-End, Land 1,263      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,396      
Total 4,659      
Accumulated Depreciation 396      
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 450      
Gross Carrying Amount at Year-End, Land 1,421      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,799      
Total 4,220      
Accumulated Depreciation 205      
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 38      
Gross Carrying Amount at Year-End, Land 710      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,616      
Total 4,326      
Accumulated Depreciation 35      
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 10      
Gross Carrying Amount at Year-End, Land 421      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,678      
Total 3,099      
Accumulated Depreciation 24      
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 353      
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 155      
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 233      
Gross Carrying Amount at Year-End, Land 698      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,881      
Total 3,579      
Accumulated Depreciation 284      
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 382      
Gross Carrying Amount at Year-End, Land 1,042      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,443      
Total 4,485      
Accumulated Depreciation 281      
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 100      
Gross Carrying Amount at Year-End, Land 1,426      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,010      
Total 4,436      
Accumulated Depreciation 78      
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 190      
Gross Carrying Amount at Year-End, Land 203      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,255      
Total 4,458      
Accumulated Depreciation 125      
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 186      
Gross Carrying Amount at Year-End, Land 1,128      
Gross Carrying Amount at Year-End, Buildings and Improvements 6,335      
Total 7,463      
Accumulated Depreciation 90      
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 100      
Gross Carrying Amount at Year-End, Land 651      
Gross Carrying Amount at Year-End, Buildings and Improvements 771      
Total 1,422      
Accumulated Depreciation 178      
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 12      
Gross Carrying Amount at Year-End, Land 448      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,368      
Total 2,816      
Accumulated Depreciation 217      
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 142      
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 199      
Gross Carrying Amount at Year-End, Land 310      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,165      
Total 1,475      
Accumulated Depreciation 261      
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 39      
Gross Carrying Amount at Year-End, Land 2,466      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,598      
Total 6,064      
Accumulated Depreciation 480      
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 18      
Gross Carrying Amount at Year-End, Land 959      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,658      
Total 2,617      
Accumulated Depreciation 238      
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 262      
Gross Carrying Amount at Year-End, Land 1,243      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,000      
Total 4,243      
Accumulated Depreciation 544      
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 57      
Gross Carrying Amount at Year-End, Land 1,973      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,574      
Total 6,547      
Accumulated Depreciation 661      
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 61      
Gross Carrying Amount at Year-End, Land 1,295      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,990      
Total 5,285      
Accumulated Depreciation 565      
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 82      
Gross Carrying Amount at Year-End, Land 3,079      
Gross Carrying Amount at Year-End, Buildings and Improvements 7,656      
Total 10,735      
Accumulated Depreciation 1,164      
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 65      
Gross Carrying Amount at Year-End, Land 1,017      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,326      
Total 4,343      
Accumulated Depreciation 462      
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 74      
Gross Carrying Amount at Year-End, Land 803      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,988      
Total 3,791      
Accumulated Depreciation 335      
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 51      
Gross Carrying Amount at Year-End, Land 2,249      
Gross Carrying Amount at Year-End, Buildings and Improvements 5,017      
Total 7,266      
Accumulated Depreciation 742      
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 62      
Gross Carrying Amount at Year-End, Land 1,118      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,630      
Total 4,748      
Accumulated Depreciation 432      
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 163      
Gross Carrying Amount at Year-End, Land 691      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,751      
Total 2,442      
Accumulated Depreciation 386      
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 103      
Gross Carrying Amount at Year-End, Land 168      
Gross Carrying Amount at Year-End, Buildings and Improvements 664      
Total 832      
Accumulated Depreciation 156      
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 97      
Gross Carrying Amount at Year-End, Land 381      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,083      
Total 1,464      
Accumulated Depreciation 241      
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 44      
Gross Carrying Amount at Year-End, Land 614      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,684      
Total 3,298      
Accumulated Depreciation 454      
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 35      
Gross Carrying Amount at Year-End, Land 715      
Gross Carrying Amount at Year-End, Buildings and Improvements 4,601      
Total 5,316      
Accumulated Depreciation 38      
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 16      
Gross Carrying Amount at Year-End, Land 1,516      
Gross Carrying Amount at Year-End, Buildings and Improvements 12,649      
Total 14,165      
Accumulated Depreciation 174      
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 0      
Gross Carrying Amount at Year-End, Land 810      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,530      
Total 2,340      
Accumulated Depreciation 459      
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 37      
Gross Carrying Amount at Year-End, Land 998      
Gross Carrying Amount at Year-End, Buildings and Improvements 1,899      
Total 2,897      
Accumulated Depreciation 653      
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 48      
Gross Carrying Amount at Year-End, Land 770      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,251      
Total 4,021      
Accumulated Depreciation 529      
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 20      
Gross Carrying Amount at Year-End, Land 1,390      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,526      
Total 3,916      
Accumulated Depreciation 425      
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 28      
Gross Carrying Amount at Year-End, Land 1,438      
Gross Carrying Amount at Year-End, Buildings and Improvements 3,308      
Total 4,746      
Accumulated Depreciation 492      
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 0      
Gross Carrying Amount at Year-End, Land 1,105      
Gross Carrying Amount at Year-End, Buildings and Improvements 2,121      
Total 3,226      
Accumulated Depreciation $ 283      
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