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Deferred revenue related parties noncurrent.

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Option payment received.

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Percentage of outstanding common stock owned.

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Related party transaction reimbursement from related party for shared costs.

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Right to purchase additional outstanding voting common stock percentage.

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Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current.

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Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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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.

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Cash received on stock transaction after deduction of issuance costs.

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The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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Number of new stock issued during the period.

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Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.

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Related Parties - Additional Information (Details) - USD ($) $ in Thousands		1 Months Ended			12 Months Ended
	Jul. 13, 2020	Jan. 31, 2022	Feb. 28, 2021	May 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Related Party Transaction [Line Items]
Issuance of common stock						$ 326,246
Receivable from collaboration partners, current					$ 744,595	1,049
Related party, deferred revenue - noncurrent					462,217	127,511
Related party, deferred revenue - current					96,981	67,571
Research and Development
Related Party Transaction [Line Items]
Reimbursed under cost-sharing provisions of arrangement					$ 24,891	3,446	$ 0
Gilead
Related Party Transaction [Line Items]
Percentage of outstanding common stock held					19.50%
Value of common stock issued				$ 56,700
Number of shares issued				2,200,000
Gilead \| Subsequent Event
Related Party Transaction [Line Items]
Option payments received		$ 725,000
Gilead \| Receivable for Option Exercise Payments
Related Party Transaction [Line Items]
Receivable from collaboration partners, current					$ 725,000
Gilead \| Cost Sharing Receivable
Related Party Transaction [Line Items]
Receivable from collaboration partners, current					19,500
Related party, deferred revenue - noncurrent					462,200
Related party, deferred revenue - current					97,000
Gilead \| Research and Development
Related Party Transaction [Line Items]
Reimbursed under cost-sharing provisions of arrangement					24,900	3,400
Gilead \| Gilead Collaboration Agreement
Related Party Transaction [Line Items]
Revenue recognized					360,900	$ 70,500
Gilead \| Stock Purchase Agreement
Related Party Transaction [Line Items]
Issuance of common stock, shares	5,963,029		5,650,000
Issuance of common stock					$ 327,800
Gilead \| Maximum
Related Party Transaction [Line Items]
Right to purchase additional outstanding voting common stock percentage					35.00%