Net Loss Per Share - Computation of Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021
Numerator:
Net loss	$ (27,011)	$ (33,051)	$ (64,472)	$ (60,492)	$ (60,062)	$ (124,964)
Denominator:
Weighted average shares used in the calculation of net loss per share, basic and diluted	26,618,920		25,648,151		26,544,375	19,414,066
Net loss per share, basic and diluted	$ (1.01)		$ (2.51)		$ (2.26)	$ (6.44)