CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement of Comprehensive Income [Abstract]
Net loss	$ (28,117)	$ (29,574)	$ (58,215)	$ (57,398)
Net unrealized loss on marketable securities	(82)	(32)	(621)	(75)
Foreign currency translation adjustments	11		12
Comprehensive loss	$ (28,188)	$ (29,606)	$ (58,824)	$ (57,473)