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Revenue - Sanofi S.A. (Details) $ in Thousands	3 Months Ended
	Sep. 30, 2025 USD ($) milestone	Dec. 31, 2024 USD ($)	Sep. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)
Collaboration And Other Agreements [Line Items]
Accounts receivable	$ 69,230	$ 4,309
Sanofi S.A. | Royalty
Collaboration And Other Agreements [Line Items]
Deferred revenue				$ 100,000
Revenue, remaining performance obligation, variable consideration, royalty percentage				50.00%
Sanofi S.A. | Royalty | Regulatory And Commerical Milestones
Collaboration And Other Agreements [Line Items]
Revenue, remaining performance obligation, variable consideration amount	$ 279,500
Sanofi S.A. | Royalty | Regulatory Milestone
Collaboration And Other Agreements [Line Items]
Number of milestones achieved | milestone	2
Revenue recognized	$ 50,000
Accounts receivable	$ 50,000
Sanofi S.A. | Royalty | Net Sales Milestone
Collaboration And Other Agreements [Line Items]
Revenue, remaining performance obligation, variable consideration amount			$ 50,000	$ 50,000

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