Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement Of Income And Comprehensive Income [Abstract]
Net loss	$ (18,234)	$ (20,307)	$ (64,993)	$ (45,355)
Other comprehensive income (loss):
Foreign currency translation adjustment	(38)	(10)	(87)	(4)
Unrealized gain (loss) on marketable securities	74	1	(77)	(5)
Total comprehensive loss	$ (18,198)	$ (20,316)	$ (65,157)	$ (45,364)