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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Revenue - Additional Information (Details) - USD ($) $ in Thousands		3 Months Ended
	Feb. 29, 2024	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024	Dec. 31, 2023
Revenue Recognition
Billed contracts receivable		$ 38,400		$ 102,900
Unbilled contracts receivable		6,100		5,400
Amount of transaction price not yet satisfied		600,000
Deferred revenue		517,891	$ 1,082,373	1,121,886	$ 863,521
Claim related to performance obligation		23,000
Other current liabilities		142,031		219,596
Other non-current liabilities		313,727		359,614
Revenues		666,655	93,855
Current deferred revenue		108,334		675,067
Noncurrent deferred revenue		409,557		446,819
Australia Revenue Agency Member
Revenue Recognition
Noncurrent deferred revenue		102,600
Deferred revenue refund		92,500
Product sales
Revenue Recognition
Deferred revenue		78,490	103,082	137,833	$ 105,688
Revenues		621,678	89,836
Product sales \| Accrued Liabilities
Revenue Recognition
Deferred revenue		50,400		77,100
Product sales \| Accounts Payable
Revenue Recognition
Deferred revenue		4,900		10,100
Product sales \| Accounts Receivable
Revenue Recognition
Deferred revenue		23,200		50,600
Settlement Agreement
Revenue Recognition
Litigation settlement, expense	$ 80,000	400,000
Grants receivable		225,000	$ 225,000
Litigation settlement, amount awarded to other party		75,000
Other current liabilities		80,000
Other non-current liabilities		240,000
Gavi Advance Purchase Agreement- COVAX Facility
Revenue Recognition
Collaborative agreement, upfront payment amount		700,000
Australian APA
Revenue Recognition
Current deferred revenue		31,200
Canada APA
Revenue Recognition
Current deferred revenue		575,700		555,700
Canada APA \| Canada Revenue Agency
Revenue Recognition
Current deferred revenue		28,000
Escrow funding		20,000
Canada APA \| Other Current Liabilities
Revenue Recognition
Current deferred revenue				48,000
New Zealand, termination of the agreement
Revenue Recognition
Current deferred revenue		27,300		$ 31,300
Upfront payments		$ 4,000