Quarterly report pursuant to Section 13 or 15(d)

DEBT FINANCING - Debt Summary (Details)

v3.21.2
DEBT FINANCING - Debt Summary (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Debt Instrument [Line Items]    
Principal amount $ 2,135,005 $ 1,922,614
Unamortized debt issuance costs and debt premium, net (6,520) (5,643)
Total debt $ 2,128,485 1,916,971
Revolving line of credit | Revolving line of credit | Credit Facility    
Debt Instrument [Line Items]    
Interest rate (percent) 1.38%  
Principal amount $ 0 174,000
Unsecured debt | 2023 Term loan facility    
Debt Instrument [Line Items]    
Interest rate (percent) 2.83%  
Principal amount $ 175,000 175,000
Unsecured debt | 2028 Term loan facility    
Debt Instrument [Line Items]    
Interest rate (percent) 4.62%  
Principal amount $ 75,000 75,000
Unsecured debt | 2029 Term loan facility    
Debt Instrument [Line Items]    
Interest rate (percent) 4.27%  
Principal amount $ 100,000 100,000
Unsecured debt | 2026 Senior Unsecured Notes    
Debt Instrument [Line Items]    
Interest rate (percent) 2.16%  
Principal amount $ 35,000 0
Unsecured debt | 2029 Senior Unsecured Notes    
Debt Instrument [Line Items]    
Interest rate (percent) 3.98%  
Principal amount $ 100,000 100,000
Unsecured debt | 2030 Senior Unsecured Notes    
Debt Instrument [Line Items]    
Interest rate (percent) 2.99%  
Principal amount $ 150,000 150,000
Unsecured debt | May 2031 Senior Unsecured Notes    
Debt Instrument [Line Items]    
Interest rate (percent) 3.00%  
Principal amount $ 90,000 0
Unsecured debt | August 2031 Senior Unsecured Notes    
Debt Instrument [Line Items]    
Interest rate (percent) 4.08%  
Principal amount $ 50,000 50,000
Unsecured debt | 2032 Senior Unsecured Notes    
Debt Instrument [Line Items]    
Interest rate (percent) 3.09%  
Principal amount $ 100,000 100,000
Unsecured debt | 2033 Senior Unsecured Notes    
Debt Instrument [Line Items]    
Interest rate (percent) 3.10%  
Principal amount $ 55,000 0
Unsecured debt | Term loan A | Credit Facility    
Debt Instrument [Line Items]    
Interest rate (percent) 3.74%  
Principal amount $ 125,000 125,000
Unsecured debt | Term loan B | Credit Facility    
Debt Instrument [Line Items]    
Interest rate (percent) 2.91%  
Principal amount $ 250,000 250,000
Unsecured debt | Term loan C | Credit Facility    
Debt Instrument [Line Items]    
Interest rate (percent) 2.91%  
Principal amount $ 225,000 225,000
Unsecured debt | Term loan D | Credit Facility    
Debt Instrument [Line Items]    
Interest rate (percent) 3.12%  
Principal amount $ 175,000 175,000
Unsecured debt | Term loan E | Credit Facility    
Debt Instrument [Line Items]    
Interest rate (percent) 1.28%  
Principal amount $ 125,000 0
Fixed rate mortgages payable | Fixed rate mortgages payable    
Debt Instrument [Line Items]    
Interest rate (percent) 3.83%  
Principal amount $ 305,005 $ 223,614