CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net loss	$ (11,845)	$ (2,430)	$ (124,323)
Other comprehensive (loss) income:
Net change in foreign currency translation adjustments	(1,052)	90	23
Other comprehensive (loss) income	(1,052)	90	23
Total comprehensive loss	$ (12,897)	$ (2,340)	$ (124,300)