UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 9,577	$ 35,239
Other comprehensive income:
Foreign currency translation adjustment	(8,712)	0
Unrealized gains (losses) on marketable securities, net of tax	(104)	20
Comprehensive income	$ 761	$ 35,259