Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Net income	$ 30,167	$ 20,693	$ 65,922	$ 46,874
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	1,018	(3,709)	(1,864)	(32)
Change in unrealized gain on available-for-sale securities, net of tax of $(406), $(64), $(351) and $(162), respectively	4,909	611	3,256	1,437
Other comprehensive income (loss), net of tax	5,927	(3,098)	1,392	1,405
Comprehensive income	$ 36,094	$ 17,595	$ 67,314	$ 48,279