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Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer.

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Collaboration, License, and Supply Agreements - Sanofi (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Revenues	$ 56,698	$ 239,240	$ 196,212	$ 905,895
Capitalized contract cost, amortization			500
Royalties \| Sanofi
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Revenues	676	0	4,195	0
Sanofi
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Development, tech transfer, launch, and sales milestone payments			$ 350,000
Proceeds development, tech transfer, launch, and sales milestone collaboration payment, term			20 years
Sanofi \| Income Statement Location [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Capitalized contract cost, amortization	900	1,800	$ 900	1,800
Sanofi \| Licensed COVID-19 products and royalty payments
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Development, tech transfer, launch, and sales milestone payments			75,000
Sanofi \| Royalties
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Revenues	700		4,200
Sanofi \| CIC Product-Related Development Milestones
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Development, tech transfer, launch, and sales milestone payments			125,000
Sanofi \| CIC Product-Related Launch Milestones
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Development, tech transfer, launch, and sales milestone payments			225,000
Sanofi \| First Four Adjuvant Products
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Development, tech transfer, launch, and sales milestone payments			200,000
Sanofi \| Adjuvant Products Thereafter
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Development, tech transfer, launch, and sales milestone payments			210,000
Sanofi \| Transition Services
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Total licensing, royalties, and other revenue	35,100	$ 24,400	80,500	$ 64,700
Deferred revenue	900		900
Cumulative catch up adjustment	$ 10,800		15,400
Sanofi \| Product and Service, Other
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Capitalized contract cost, amortization			$ 35,000