Unaudited Condensed Consolidated Statements of Comprehensive Income Statement - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax	$ (4,322)	$ 0	$ (10,188)	$ 0
Net Income (Loss) Available to Common Stockholders, Basic	47,703	41,269	102,794	95,211
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	(12,534)	0	(29,722)	0
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax	(12,534)	0	(29,722)	0
Other Comprehensive Income (Loss), Net of Tax	(12,534)	0	(29,722)	0
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	$ 35,169	$ 41,269	$ 73,072	$ 95,211