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Net Loss per Share - Schedule of Antidilutive Securities Excluded from Calculation of Diluted Net Loss per Share Attributable to Common Stockholders (Detail) - shares
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Common stock equivalents excluded from calculation of diluted net loss per share 10,050,933 5,422,452
Options to Purchase Shares of Common Stock [Member]    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Common stock equivalents excluded from calculation of diluted net loss per share 8,407,375 5,076,747
Unvested Restricted Stock Units [Member]    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Common stock equivalents excluded from calculation of diluted net loss per share 1,643,558 322,901
Unvested Shares of Common Stock [Member]    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Common stock equivalents excluded from calculation of diluted net loss per share   22,804