CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 496,714	$ 150,668	$ 218,806
Other comprehensive loss, net of tax:
Foreign currency translation adjustment	(21,268)	(8,902)	(1,626)
Consensus separation	18,966	0	0
Change in fair value on available-for-sale investments, net of tax expense (benefit) of $0, $181 and $149 for the years ended December 31, 2021, 2020 and 2019, respectively	(114)	558	1,143
Other comprehensive loss, net of tax	(2,416)	(8,344)	(483)
Comprehensive income	$ 494,298	$ 142,324	$ 218,323