CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenue:
Revenues	$ 178,844	$ 157,024	$ 924,090	$ 195,939
Expenses:
Research and development	408,195	294,087	1,571,551	345,828
General and administrative	77,793	56,879	214,144	83,977
Total expenses	485,988	350,966	1,785,695	429,805
Loss from operations	(307,144)	(193,942)	(861,605)	(233,866)
Other income (expense):
Investment income	330	140	1,061	872
Interest expense	(5,182)	(4,460)	(15,989)	(11,266)
Other income (expense)	(4,394)	952	(8,328)	3,565
Net loss before income tax expense	(316,390)	(197,310)	(884,861)	(240,695)
Income tax expense	6,041	0	12,606	0
Net loss	$ (322,431)	$ (197,310)	$ (897,467)	$ (240,695)
Basic net loss per share (in usd per share)	$ (4.31)	$ (3.21)	$ (12.13)	$ (4.39)
Diluted net loss per share (in usd per share)	$ (4.31)	$ (3.21)	$ (12.13)	$ (4.39)
Basic weighted average number of common shares outstanding (in shares)	74,745,000	61,554,000	73,972,000	54,810,000
Diluted weighted average number of common shares outstanding (in shares)	74,745,000	61,554,000	73,972,000	54,810,000
Government contracts
Revenue:
Revenues	$ 97,502	$ 42,938	$ 720,740	$ 43,249
Grant and other
Revenue:
Revenues	41,401	114,086	139,952	152,690
Royalties
Revenue:
Revenues	$ 39,941	$ 0	$ 63,398	$ 0