Subsequent Event	9 Months Ended
Sep. 30, 2022
Subsequent Events [Abstract]
Subsequent Event	12. Subsequent Event On November 1, 2022, the Company entered into an amendment to the lease agreement for its corporate headquarters in South San Francisco, California, which expands the leased premises to include Suite 400 in the same building as its corporate headquarters, consisting of an additional 24,357 rentable square feet. The Company is currently evaluating the impact of this amendment on its financial statements for the year ending December 31, 2022.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI https://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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