Unaudited Condensed Consolidated Statements of Comprehensive Income Statement - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax	$ 5,361	$ 1,388	$ (4,294)	$ 13,910
Net Income (Loss) Available to Common Stockholders, Basic	16,406	18,319	54,387	53,499
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	(17,143)	(4,026)	12,907	(40,339)
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	(15,767)	(2,682)	13,827	(38,995)
Other Comprehensive Income (Loss), Net of Tax	(15,767)	(2,682)	13,827	(38,995)
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	639	15,637	68,214	14,504
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax	1,376	1,344	920	1,344
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax	$ 431	$ 463	$ 284	$ 463