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Net Loss Per Share - Anti-dilutive Securities Excluded from Calculation of Diluted Net Loss Per Share (Details) - shares | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |  |
Anti-dilutive securities excluded from calculation of diluted net loss per share | 16,482,780 | 76,489,476
Conversion of Preferred Stock in Future Issuance (B-2) |  |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |  |
Anti-dilutive securities excluded from calculation of diluted net loss per share |  | 10,979,319
Options to Purchase Common Stock |  |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |  |
Anti-dilutive securities excluded from calculation of diluted net loss per share | 13,818,212 | 6,666,515
Restricted Stock Subject to Future Vesting |  |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |  |
Anti-dilutive securities excluded from calculation of diluted net loss per share | 425,615 | 1,503,303
Options Early Exercised Subject to Future Vesting |  |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |  |
Anti-dilutive securities excluded from calculation of diluted net loss per share | 1,854,427 | 2,686,456
Estimated Shares Purchasable Under the ESPP |  |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |  |
Anti-dilutive securities excluded from calculation of diluted net loss per share | 384,526 |
Convertible Preferred Stock Issued |  |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |  |
Anti-dilutive securities excluded from calculation of diluted net loss per share |  | 54,653,883

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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