Net Loss Per Share - Summary of Outstanding Potentially Dilutive Securities Have Been Excluded From Calculation of Diluted Net Loss Per Share (Detail) - shares	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options	10,788,025	37,524,206
Share-based Payment Arrangement, Option
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options	7,018,228	0
Unvested common shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options	3,352,683	48,456
Restricted Stock Units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options	392,757	0
Shares committed under ESPP
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options	24,357	0
Redeemable convertible preferred shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options	0	32,489,398
Incentive Shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options	0	4,986,352