CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 18,334	$ (40,471)	$ (85,964)
Other comprehensive income (loss):
Foreign currency translation adjustment	(366)	24	10,145
Unrealized gain (loss) on marketable securities, net of tax	(1,005)	(13)	54
Total comprehensive income (loss)	$ 16,963	$ (40,460)	$ (75,765)