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	$ 213,819	$ 122,813	$ 362,828
Unrealized gains (losses) on marketable securities, net of taxes of $0, $10 and $0, respectively	(729)	42	0
Foreign currency translation adjustments	(2,542)	3,112	(338)
Other comprehensive income (loss)	(3,271)	3,154	(338)
Comprehensive income	$ 210,548	$ 125,967	$ 362,490