CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 34,453	$ 15,902	$ 74,865	$ 58,035
Other comprehensive income, net of tax:
Foreign currency translation	(1)	(2)	(3)	(1)
Unrealized gains on investment securities	(1)	18	75	246
Other comprehensive income	(2)	16	72	245
Comprehensive income	$ 34,451	$ 15,918	$ 74,937	$ 58,280