CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Statement of Comprehensive Income [Abstract]
Net loss	$ (12,866)	$ (14,332)	$ (10,713)	$ (41,168)
Other comprehensive loss, net of tax:
Cumulative translation adjustment	(436)	(233)	(1,188)	(432)
Other comprehensive loss, net of tax	(436)	(233)	(1,188)	(432)
Comprehensive loss	$ (13,302)	$ (14,565)	$ (11,901)	$ (41,600)