Derivatives and Hedging Activities (Derivatives Included in AOCI) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Derivative [Line Items]
Amount of gain recognized in accumulated other comprehensive loss on interest rate derivatives	$ 26,266	$ 15,846
Total amount of interest expense presented in the consolidated statements of operations and comprehensive gain (loss)	(11,764)	(12,322)
Interest rate “pay-fixed” swaps
Derivative [Line Items]
Amount of gain recognized in accumulated other comprehensive loss on interest rate derivatives	23,613	13,163
Amount of gain (loss) reclassified from accumulated other comprehensive income into income as interest expense	$ (2,653)	$ (2,684)