Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Net income	$ 23,096	$ 75,513	$ 47,118	$ 79,828
Interest rate swaps
Reclassification adjustments for losses included in net income (interest expense)	1,114	938	2,209	1,267
Gains (losses) arising during the period on interest rate swaps and treasury rate locks	(807)	(1,455)	2,043	(15,386)
Other comprehensive income (loss)	307	(517)	4,252	(14,119)
Comprehensive income	23,403	74,996	51,370	65,709
Interest Rate Swaps
Interest rate swaps
Gains (losses) arising during the period on interest rate swaps and treasury rate locks	(807)	(1,455)	(2,043)	11,119
Treasury Rate Locks
Interest rate swaps
Gains (losses) arising during the period on interest rate swaps and treasury rate locks	$ 0	$ 0	$ 0	$ 4,267