CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 119,163	$ 155,695
Other comprehensive loss:
Foreign currency translation adjustments	2,036	(24,265)
Change in unrealized loss on investments, net of income tax benefit of $4,948 and $937 for the three months ended March 31, 2022 and 2021, respectively	(21,542)	(2,881)
Other comprehensive loss	(19,506)	(27,146)
Comprehensive income	$ 99,657	$ 128,549