Net Loss Per Share Attributable to Common Stockholders - Computation of EPS (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
Earnings Per Share [Abstract]
Net loss attributable to common stockholders	$ (23,980)	$ (18,385)	$ (70,441)	$ (51,430)
Weighted-average common shares used in computing net loss per share attributable to common stockholders, basic (in shares)	62,538,983	61,133,518	62,308,314	60,625,601
Weighted-average common shares used in computing net loss per share attributable to common stockholders, diluted (in shares)	62,538,983	61,133,518	62,308,314	60,625,601
Net loss per share attributable to common shareholders, basic (in usd per share)	$ (0.38)	$ (0.30)	$ (1.13)	$ (0.85)
Net loss per share attributable to common shareholders, diluted (in usd per share)	$ (0.38)	$ (0.30)	$ (1.13)	$ (0.85)
Net Income (Loss) Available to Common Stockholders, Diluted	$ (23,980)	$ (18,385)	$ (70,441)	$ (51,430)