Collaboration, License and Option Agreements - Summary of Contract Assets and Liabilities (Details) $ in Thousands	6 Months Ended
Jun. 30, 2026 USD ($)
Deferred revenue
Deferred revenue as of beginning of period	$ 60,658
Additions	6,000
Collaboration and license revenue recognized	(31,340)
Deferred revenue as of end of period	35,318
Collaboration and Stock Purchase Agreement \| AbbVie
Deferred revenue
Deferred revenue as of beginning of period	34,007
Additions	6,000
Collaboration and license revenue recognized	(20,726)
Deferred revenue as of end of period	19,281
License and Stock Purchase Agreement \| Gilead
Deferred revenue
Deferred revenue as of beginning of period	26,651
Collaboration and license revenue recognized	(10,614)
Deferred revenue as of end of period	$ 16,037

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-8

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Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(26)(c))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

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Amount of revenue recognized that was from current period increase in the 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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