CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Comprehensive Income [Abstract]
Net loss	$ (3,024)	$ (6,199)	$ (26,779)	$ (12,452)
Currency translation adjustments, net of income taxes	4,339	(5,646)	(1,127)	(5,947)
Comprehensive income (loss)	$ 1,315	$ (11,845)	$ (27,906)	$ (18,399)