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Net Loss Per Share - Anti-Dilutive Securities of Common Stock Excluded from Calculation of Diluted Net Loss Per Share (Details) - shares shares in Thousands | 3 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |  |
Anti-dilutive securities not included in diluted net loss per share (in shares) | 36,643 | 50,145
Series A Convertible Preferred Stock |  |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |  |
Anti-dilutive securities not included in diluted net loss per share (in shares) |  | 29
Options to purchase common stock and employee stock purchase plan |  |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |  |
Anti-dilutive securities not included in diluted net loss per share (in shares) | 2,706 | 3,435
Unvested restricted stock unit awards |  |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |  |
Anti-dilutive securities not included in diluted net loss per share (in shares) | 7,037 | 9,781
Warrants to purchase common stock |  |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |  |
Anti-dilutive securities not included in diluted net loss per share (in shares) | 9,654 | 19,654
Senior Convertible Notes |  |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |  |
Anti-dilutive securities not included in diluted net loss per share (in shares) | 17,246 | 17,246

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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 https://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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