Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 56,458	$ 90,603	$ 204,082	$ 269,510
Other comprehensive income (loss), net of tax:
Change in derivative instruments designated as cash flow hedges	969	(20,784)	(135,283)	(66,624)
Reclassification of (gain) loss on derivative instruments designated as cash flow hedges	7,351	(1,020)	14,616	(4,485)
Cumulative effect for the adoption of ASU 2017-12, net of income tax effect	0	0	0	432
Foreign currency translation adjustment	176	(139)	(201)	(271)
Other comprehensive income (loss), net of tax	8,496	(21,943)	(120,868)	(70,948)
Comprehensive income	64,954	68,660	83,214	198,562
Other comprehensive income attributable to noncontrolling interest	0	0	0	592
Dividend on preferred shares	10,512	4,708	30,850	7,038
Comprehensive income	54,442	63,952	52,364	190,932
Tax (benefit) provision on change in derivative instruments designated as cash flow hedges	(117)	(2,146)	(11,103)	(8,103)
Tax (benefit) provision on reclassification of (gain) loss on derivative instruments designated as cash flow hedges	483	(510)	666	(1,707)
Tax (benefit) provision on cumulative effect for the adoption of ASU 2017-12	$ 0	$ 0	$ 0	$ 277