CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (1,860)	$ (4,903)	$ (29,984)	$ 7,129
Other comprehensive income (loss):
Foreign currency translation adjustments, net of zero tax	(243)	5,317	(555)	3,808
Total other comprehensive income (loss)	(243)	5,317	(555)	3,808
Comprehensive income (loss)	$ (2,103)	$ 414	$ (30,539)	$ 10,937