Net Loss Per Common Share - Computation of Basic and Diluted Net Loss per Share Attributable to Common Stock holders (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Numerator:
Net loss	$ (21,451)	$ (23,731)	$ (95,957)	$ (68,870)
Denominator:
Weighted-average shares used to compute net loss per common share, basic (in shares)	30,055,166	29,397,845	29,836,601	29,294,559
Weighted-average shares used to compute net loss per common share, diluted (in shares)	30,055,166	29,397,845	29,836,601	29,294,559
Net loss per common share, basic (in USD per share)	$ (0.71)	$ (0.81)	$ (3.22)	$ (2.35)
Net loss per common share, diluted (in USD per share)	$ (0.71)	$ (0.81)	$ (3.22)	$ (2.35)