Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Net loss	$ (36,324)	$ (51,812)	$ (126,785)	$ (162,808)
Other comprehensive (loss) income
Unrealized loss on investments	(145)	(67)	(329)	(240)
Foreign currency translation adjustments	(69)	243	(614)	94
Comprehensive loss	$ (36,538)	$ (51,636)	$ (127,728)	$ (162,954)