Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Net income	$ 427,374	$ 437,672	$ 242,023
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(9,528)	(32,293)	8,404
Change in unrealized gains and losses on available-for-sale securities, net of tax of $(1,352), $184 and $613, respectively	5,543	(6,664)	(2,664)
Other comprehensive income (loss), net of tax	(3,985)	(38,957)	5,740
Comprehensive income	$ 423,389	$ 398,715	$ 247,763