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Derivative Financial Instruments - Change in Fair Value of Derivatives (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Derivative [Line Items]    
Change in fair value of derivatives and other $ 427 $ (1,736)
Unrealized cash flow hedge gains (losses) 2,276 (7,489)
Total change in fair value of interest rate derivatives 2,703 (9,225)
Interest rate swaps    
Derivative [Line Items]    
Total change in fair value of interest rate derivatives 2,462 (9,084)
Interest rate caps    
Derivative [Line Items]    
Total change in fair value of interest rate derivatives $ 241 $ (141)