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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Government Contracts - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Jul. 31, 2018	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Government Contracts [Line Items]
Grant revenue		$ 0	$ 14,189	$ 258	$ 20,063
Potential Amount of Committed Funding		65,600		65,600
BARDA [Member]
Government Contracts [Line Items]
Potential contract amount awarded	$ 44,200
Cumulative Revenue		65,100		65,100
BARDA [Member] \| Base Period Contracts [Member]
Government Contracts [Line Items]
Potential amount initial funding awarded	$ 15,700
Contract term	3 years
Potential Amount of Committed Funding		65,600		65,600
BARDA [Member] \| Grant [Member]
Government Contracts [Line Items]
Grant revenue		$ 0	$ 2,400	$ 0	$ 3,100