CONSOLIDATED STATEMENT 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	$ 772,020	$ 1,775,888	$ 442,776
Other comprehensive income (loss):
Net change in foreign currency translation adjustment	(38,680)	44,383	1,787
Change in unrealized gains (losses) on investments, net of tax	(495)	(194)	299
Other comprehensive income (loss)	(39,175)	44,189	2,086
Comprehensive income	$ 732,845	$ 1,820,077	$ 444,862