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Stockholders' Equity (Deficit) - Schedule of Common Stock Reserved for Future Issuance (Details) - shares shares in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Class Of Stock [Line Items] |  |
Common stock reserved for future issuance | 8,992 | 6,936
Common Stock Options Issued and Outstanding |  |
Class Of Stock [Line Items] |  |
Common stock reserved for future issuance | 5,778 | 3,788
Equity Awards Available for Future Issuance under Equity Plans |  |
Class Of Stock [Line Items] |  |
Common stock reserved for future issuance | 2,575 | 2,852
Common Stock Authorized under the ESPP |  |
Class Of Stock [Line Items] |  |
Common stock reserved for future issuance | 639 | 296

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- Definition Aggregate number of common shares reserved for future issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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