Condensed 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)	$ 40,934	$ 25,359	$ 58,149	$ 75,726
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment, net of tax of $(6) and $4 for the three months ended September 30, 2020 and 2019, respectively, and $3 and $5 for the nine months ended September 30, 2020 and 2019, respectively	17	(12)	(9)	(14)
Other comprehensive income (loss)	17	(12)	(9)	(14)
Comprehensive income (loss)	40,951	25,347	58,140	75,712
Comprehensive (income) loss attributable to noncontrolling interests	(11,286)	(1,274)	(21,507)	(2,969)
Comprehensive Income (Loss) Attributable to Stockholders	$ 29,665	$ 24,073	$ 36,633	$ 72,743