Revenue - Schedule of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenue Recognition
Revenues	$ 178,844	$ 157,024	$ 924,090	$ 195,939
Government contracts
Revenue Recognition
Revenues	97,502	42,938	720,740	43,249
Government contracts | OWS
Revenue Recognition
Revenues	96,215	39,370	699,268	39,370
Government contracts | DoD
Revenue Recognition
Revenues	1,287	3,568	21,472	3,879
Grant and other
Revenue Recognition
Revenues	41,401	114,086	139,952	152,690
Grant and other | CEPI
Revenue Recognition
Revenues	37,505	111,266	131,022	147,770
Grant and other | BMGF
Revenue Recognition
Revenues	0	2,316	2,628	2,731
Grant and other | Other
Revenue Recognition
Revenues	3,896	504	6,302	2,189
Royalties
Revenue Recognition
Revenues	$ 39,941	$ 0	$ 63,398	$ 0