Quarterly report pursuant to Section 13 or 15(d)

DEBT FINANCING - Debt Summary (Details)

v3.21.1
DEBT FINANCING - Debt Summary (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Debt Instrument [Line Items]    
Principal amount $ 1,938,049 $ 1,922,614
Unamortized debt issuance costs and debt premium, net (5,279) (5,643)
Total debt $ 1,932,770 1,916,971
Revolving line of credit | Credit Facility | Revolving line of credit    
Debt Instrument [Line Items]    
Effective interest rate (percent) 1.41%  
Principal amount $ 190,500 174,000
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 | 2030 Senior Unsecured Notes    
Debt Instrument [Line Items]    
Effective interest rate (percent) 2.99%  
Principal amount $ 150,000 150,000
Unsecured debt | 2031 Senior Unsecured Notes    
Debt Instrument [Line Items]    
Effective interest rate (percent) 4.08%  
Principal amount $ 50,000 50,000
Unsecured debt | 2032 Senior Unsecured Notes    
Debt Instrument [Line Items]    
Effective interest rate (percent) 3.09%  
Principal amount $ 100,000 100,000
Fixed rate mortgages payable | Fixed rate mortgages payable    
Debt Instrument [Line Items]    
Effective interest rate (percent) 4.26%  
Principal amount $ 222,549 $ 223,614