Condensed Consolidated Statements of Comprehensive 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	$ (11,897)	$ (2,818)	$ (14,511)	$ (15,199)
Other comprehensive income (loss):
Foreign currency translation adjustments, net of tax	(937)	962	(1,997)	853
Net comprehensive loss	$ (12,834)	$ (1,856)	$ (16,508)	$ (14,346)