CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2018
Statement of Comprehensive Income [Abstract]
Consolidated net income	$ 161,712	$ 109,277	$ 191,898
Foreign currency translation adjustments	0	(2,178)	0
Comprehensive income, net of tax	161,712	107,099	191,898
Less: Comprehensive income attributable to noncontrolling interests, net of tax	44,407	29,217	85,166
Comprehensive income available to common stockholders	$ 117,305	$ 77,882	$ 106,732