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Collaboration, Development and Supply Agreements - Additional Information (Detail) - USD ($) $ in Thousands		3 Months Ended				9 Months Ended
	May 03, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Jan. 31, 2021	Dec. 31, 2020
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Long-term deferred revenue		$ 67,969				$ 67,969			$ 0
Revenue recognized		108,270			$ 13,414	244,372	$ 27,001
Accrued liabilities		87,910				87,910			19,099
CEPI Partners [Member] | Reservation Agreement
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Increase in interest free unsecured forgiveable loan maximum borrowing capacity	$ 77,400
Interest free unsecured forgiveable loan Maximum borrowing capacity	$ 176,400
Clover
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Contract asset balance		52,400				52,400			$ 0
Clover | Supply Agreement
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Deferred revenue		192,900				192,900
Revenue recognized		52,400				58,200
Medigen | Supply Agreement
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Revenue recognized		6,900	$ 10,600	$ 6,900
Valneva SE | Supply Agreement
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Deferred revenue		55,400				55,400
Revenue recognized						89,400
Biological E. Limited | Supply Agreement
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Deferred revenue		110,200				110,200
Revenue recognized		25,000				25,900
Bill & Melinda Gates Foundation | Grant Agreement
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Deferred revenue		1,200				1,200
Revenue recognized						1,200
Amount spent on grant-related activity		1,200				1,200
Bill & Melinda Gates Foundation | Grant Agreement | Maximum
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Proceeds from grant						3,400
U.S. Department of Defense
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Proceeds from grant						22,000
CEPI Member
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Interest- free unsecured forgivable loan								$ 99,000
Advance payment from customer		129,400				129,400
Long-term deferred revenue		68,000				68,000
Accrued liabilities		$ 58,900				$ 58,900

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