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Stockholders' Equity - Schedule of Shares of Common Stock Reserved (Details)	Sep. 30, 2021 shares
Class Of Stock [Line Items]
Shares of common stock reserved	22,558,908
Outstanding Stock Options
Class Of Stock [Line Items]
Shares of common stock reserved	14,300,833
Unvested Performance Stock Units and Restricted Stock Units
Class Of Stock [Line Items]
Shares of common stock reserved	4,682,428
Reserved for Future Stock Award Grants
Class Of Stock [Line Items]
Shares of common stock reserved	2,108,651
Reserved for ESPP
Class Of Stock [Line Items]
Shares of common stock reserved	1,466,996

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+ References

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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

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