XML 56 R37.htm IDEA: XBRL DOCUMENT v3.19.3
Indebtedness - Debt Obligations (Details)
$ in Thousands
1 Months Ended 2 Months Ended 3 Months Ended 8 Months Ended 9 Months Ended
Jul. 15, 2019
USD ($)
Mar. 01, 2019
USD ($)
Feb. 11, 2019
Aug. 23, 2019
Sep. 30, 2019
USD ($)
extension_option
building
Sep. 30, 2018
USD ($)
Aug. 23, 2019
Sep. 30, 2019
USD ($)
extension_option
building
shares
Sep. 30, 2018
USD ($)
Oct. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Debt Instrument [Line Items]                      
Borrowings outstanding         $ 210,000     $ 210,000     $ 175,000
Aggregate principal amount on secured properties         327,262     327,262      
Loss on early extinguishment of debt         $ 284 $ 0   769 $ 0    
Redemption of debt               $ 350,000 $ 0    
Number of buildings secured by mortgage notes | building         11     11      
Aggregate net book value of secured properties         $ 601,003     $ 601,003      
Unsecured term loan, due in 2020                      
Debt Instrument [Line Items]                      
Maximum borrowing capacity on revolving credit facility         300,000     300,000      
The weighted average annual interest rate (as a percent)       3.70%   3.50% 3.90%   3.30%    
Unsecured revolving credit facility                      
Debt Instrument [Line Items]                      
Borrowings outstanding         210,000     210,000      
Maximum borrowing capacity on revolving credit facility         750,000     750,000      
Aggregate principal amount on secured properties         $ 1,950,000     $ 1,950,000      
Number of extension options | extension_option         2     2      
Interest rate (as a percent)         3.00%     3.00%     3.60%
The weighted average annual interest rate (as a percent)         3.30% 3.20%   3.40% 3.00%    
Extension option duration               6 months      
Facility fee (as a percent)               0.25%      
Remaining borrowing capacity         $ 540,000     $ 540,000      
Senior unsecured notes                      
Debt Instrument [Line Items]                      
Borrowings outstanding         2,060,000     2,060,000      
Interest rate (as a percent) 3.75%                    
Loss on early extinguishment of debt         126     $ 126      
Redemption of debt $ 350,000                    
LIBOR | Unsecured term loan, due in 2020                      
Debt Instrument [Line Items]                      
Interest rate premium (as a percent)               1.40%      
LIBOR | Unsecured revolving credit facility                      
Debt Instrument [Line Items]                      
Interest rate premium (as a percent)               1.10%      
Mortgages                      
Debt Instrument [Line Items]                      
Outstanding principal amount         327,262     $ 327,262      
Amount of debt repaid   $ 7,890                  
Unsecured debt | Term loan due in 2022                      
Debt Instrument [Line Items]                      
Maximum borrowing capacity on revolving credit facility         250,000     250,000      
The weighted average annual interest rate (as a percent)     4.30%     3.90%     3.70%    
Long term debt                     $ 88,000
Loss on early extinguishment of debt         158     643      
Liabilities of Properties Held-for-sale | Mortgages                      
Debt Instrument [Line Items]                      
Outstanding principal amount         $ 13,236     $ 13,236      
Subsequent Event | Unsecured revolving credit facility                      
Debt Instrument [Line Items]                      
Borrowings outstanding                   $ 185,000  
Remaining borrowing capacity                   $ 565,000  
Class A common shares | Underwritten public offering                      
Debt Instrument [Line Items]                      
Shares sold (in shares) | shares               2,801,060