UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement of Comprehensive Income [Abstract]
Net loss	$ (8,300)	$ (63,967)
Other comprehensive (loss) income:
Foreign currency translation adjustment	49	(123)
Comprehensive loss	$ (8,251)	$ (64,090)