CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Net loss	$ (8,932)	$ (6,405)	$ (23,755)	$ (6,253)
Currency translation adjustments, net of income taxes	(1,688)	1,263	(5,466)	(301)
Comprehensive loss	$ (10,620)	$ (5,142)	$ (29,221)	$ (6,554)