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Shareholders' Equity - Summary of Reserved Shares of Common Stock (Details) | Sep. 30, 2021 shares
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Class Of Stock [Line Items] |
Total shares of common stock reserved for future issuance | 39,460,774
Exercise of Outstanding Common Stock Options and Vesting of Outstanding Common Restricted Stock Units Granted |
Class Of Stock [Line Items] |
Total shares of common stock reserved for future issuance | 13,645,411
Grant | 2019 Equity Incentive Plan |
Class Of Stock [Line Items] |
Total shares of common stock reserved for future issuance | 23,011,065
Grant | Employee Stock Purchase Plan |
Class Of Stock [Line Items] |
Total shares of common stock reserved for future issuance | 2,804,298

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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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