Net Loss Per Share - Schedule of Net Loss Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021
Numerator
Net loss attributable to common stockholders	$ (8,988)	$ (9,139)	$ (14,240)	$ (15,704)	$ (17,072)	$ (36,687)	$ (32,367)	$ (69,463)
Denominator:
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic (in shares)	30,113,407			29,829,577			30,016,079	27,671,310
Weighted-average shares used in computing net loss per share attributable to common stockholders, diluted (in shares)	30,113,407			29,829,577			30,016,079	27,671,310
Net loss per share attributable to common stockholders, basic (in dollars per share)	$ (0.30)			$ (0.53)			$ (1.08)	$ (2.51)
Net loss per share attributable to common stockholders, diluted (in dollars per share)	$ (0.30)			$ (0.53)			$ (1.08)	$ (2.51)