Quarterly report pursuant to Section 13 or 15(d)

DEBT FINANCING - Debt Summary (Details)

v3.20.1
DEBT FINANCING - Debt Summary (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Debt Instrument [Line Items]    
Principal amount $ 1,736,680 $ 1,539,260
Unamortized debt issuance costs and debt premium, net (5,011) (5,213)
Total debt $ 1,731,669 1,534,047
Line of Credit | Credit Facility | Revolving line of credit    
Debt Instrument [Line Items]    
Effective interest rate (percent) 2.29%  
Principal amount $ 200,000 0
Unsecured Debt | Credit Facility | Term loan A    
Debt Instrument [Line Items]    
Effective interest rate (percent) 3.74%  
Principal amount $ 125,000 125,000
Unsecured Debt | Credit Facility | Term loan B    
Debt Instrument [Line Items]    
Effective interest rate (percent) 2.91%  
Principal amount $ 250,000 250,000
Unsecured Debt | Credit Facility | Term loan C    
Debt Instrument [Line Items]    
Effective interest rate (percent) 2.80%  
Principal amount $ 225,000 225,000
Unsecured Debt | Credit Facility | Term loan D    
Debt Instrument [Line Items]    
Effective interest rate (percent) 3.57%  
Principal amount $ 175,000 175,000
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 $ 100,000 100,000
Unsecured Debt | 2029 Senior Unsecured Notes    
Debt Instrument [Line Items]    
Effective interest rate (percent) 3.98%  
Principal amount $ 100,000 100,000
Unsecured Debt | 2031 Senior Unsecured Notes    
Debt Instrument [Line Items]    
Effective interest rate (percent) 4.08%  
Principal amount $ 50,000 50,000
Mortgages | Fixed rate mortgages payable    
Debt Instrument [Line Items]    
Effective interest rate (percent) 4.18%  
Principal amount $ 261,680 $ 264,260