CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - 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 loss	$ (3,855)	$ (3,024)	$ (8,252)	$ (26,779)
Currency translation adjustments, net of income taxes	(328)	4,339	(5,635)	(1,127)
Comprehensive (loss) income	$ (4,183)	$ 1,315	$ (13,887)	$ (27,906)