Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Net income	$ 35,756	$ 26,181
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(2,882)	3,677
Change in unrealized gain (loss) on available-for-sale securities, net of tax of $55 and $(98), respectively	(1,653)	826
Other comprehensive income (loss), net of tax	(4,535)	4,503
Comprehensive income	$ 31,221	$ 30,684