Quarterly report pursuant to Section 13 or 15(d)

DEBT FINANCING - Debt Summary (Details)

v3.19.3
DEBT FINANCING - Debt Summary (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Apr. 24, 2019
Dec. 31, 2018
Debt Instrument [Line Items]      
Effective interest rate (percent)   4.27%  
Principal amount $ 1,539,323   $ 1,277,638
Unamortized debt issuance costs and debt premium, net (5,387)   464
Total debt $ 1,533,936   1,278,102
Line of Credit | Credit Facility | Revolving line of credit      
Debt Instrument [Line Items]      
Effective interest rate (percent) 3.32%    
Principal amount $ 0   139,500
Unsecured Debt | Credit Facility | Term loan A      
Debt Instrument [Line Items]      
Effective interest rate (percent) 3.74%    
Principal amount $ 125,000   235,000
Unsecured Debt | Credit Facility | Term loan B      
Debt Instrument [Line Items]      
Effective interest rate (percent) 2.91%    
Principal amount $ 250,000   155,000
Unsecured Debt | Credit Facility | Term loan C      
Debt Instrument [Line Items]      
Effective interest rate (percent) 2.80%    
Principal amount $ 225,000   105,000
Unsecured Debt | Credit Facility | Term loan D      
Debt Instrument [Line Items]      
Effective interest rate (percent) 3.57%    
Principal amount $ 175,000   125,000
Unsecured Debt | 2023 Term loan facility      
Debt Instrument [Line Items]      
Effective interest rate (percent) 2.83%    
Principal amount $ 175,000   175,000
Unsecured Debt | 2028 Term loan facility      
Debt Instrument [Line Items]      
Effective interest rate (percent) 4.62%    
Principal amount $ 75,000   75,000
Unsecured Debt | 2029 Term loan facility      
Debt Instrument [Line Items]      
Effective interest rate (percent) 4.27%    
Principal amount $ 100,000   0
Unsecured Debt | 2029 Senior Unsecured Notes      
Debt Instrument [Line Items]      
Effective interest rate (percent) 3.98%    
Principal amount $ 100,000   0
Unsecured Debt | 2031 Senior Unsecured Notes      
Debt Instrument [Line Items]      
Effective interest rate (percent) 4.08%    
Principal amount $ 50,000   0
Mortgages | Fixed rate mortgages payable      
Debt Instrument [Line Items]      
Effective interest rate (percent) 4.18%    
Principal amount $ 264,323   $ 268,138