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Net Loss per Common Share - Anti-Dilutive Effect Excluded from Computation of Diluted Net Loss Per Share Attributable to Common Stockholders (Details) - shares
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Anti-dilutive effect excluded from computation of diluted net loss per share attributable to common stockholders 13,157,700 10,139,662
Stock Options Outstanding    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Anti-dilutive effect excluded from computation of diluted net loss per share attributable to common stockholders 5,706,777 6,166,516
Unvested Restricted Stock Awards and Units    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Anti-dilutive effect excluded from computation of diluted net loss per share attributable to common stockholders 5,747,172 2,600,538
Stock Options Available for Issuance    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Anti-dilutive effect excluded from computation of diluted net loss per share attributable to common stockholders 600,127 620,084
Employee Stock Purchase Plan    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Anti-dilutive effect excluded from computation of diluted net loss per share attributable to common stockholders 1,103,624 752,524