Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Net income	$ 849,696	$ 1,002,877	$ 413,561
Other comprehensive income:
Change in unrealized gains related to defined benefit plan	2,216	0	0
Other comprehensive income	2,216	0	0
Comprehensive income	851,912	1,002,877	413,561
Comprehensive income attributable to noncontrolling interests	(5,637)	(2,044)	(2,956)
Comprehensive income attributable to the Company	$ 846,275	$ 1,000,833	$ 410,605