Net Loss Per Share Attributable to Common Stockholders - Reconciliation of Numerator and Denominator Used in Calculation of Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Numerator
Net loss	$ (97,263)	$ (41,533)	$ (631)
Less: accretion to redemption value and dividends on redeemable convertible preferred shares	0	0	(6,225)
Net loss attributable to common stockholders	$ (97,263)	$ (41,533)	$ (6,856)
Weighted-average common shares outstanding used to calculate net loss per share attributable to common stockholders:
Basic (in shares)	35,846,421	21,344,236	1,623,358
Diluted (in shares)	35,846,421	21,344,236	1,623,358
Net loss per share, attributable to common stockholders:
Basic (in dollars per share)	$ (2.71)	$ (1.95)	$ (4.22)
Diluted (in dollars per share)	$ (2.71)	$ (1.95)	$ (4.22)