Derivative Financial Instruments - Change in Fair Value of Derivatives (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Derivative [Line Items]
Change in fair value of derivatives and other	$ 166	$ 330	$ 941	$ (1,412)
Unrealized cash flow hedge gains (losses)	(460)	(118)	1,347	(9,886)
Total change in fair value of interest rate derivatives	(294)	212	2,288	(11,298)
Interest rate swaps
Derivative [Line Items]
Total change in fair value of interest rate derivatives	(60)	323	2,315	(10,907)
Interest rate caps
Derivative [Line Items]
Total change in fair value of interest rate derivatives	$ (234)	$ (111)	$ (27)	$ (391)