Condensed Consolidated Statements of Operations and Comprehensive Income/(Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenue:
Revenue	$ 16,322	$ 623	$ 30,703	$ 623
Operating expenses:
Cost of sales	82		1,329
Research and development	101,661	95,943	192,606	179,955
Cost of research collaboration		50,000		50,000
General and administrative	63,203	48,967	114,390	89,546
Total operating expenses:	164,946	194,910	308,325	319,501
Net operating loss	(148,624)	(194,287)	(277,622)	(318,878)
Loss on conversion of debt				(39,487)
Loss from remeasurement of development derivative liability		(21,180)		(38,264)
Interest income	1,432	104	1,530	237
Interest expense	(8,448)	(3,767)	(16,986)	(7,941)
Other income/(expense), net	149	(61)	(140)	1,483
Net loss before taxes	(155,491)	(219,191)	(293,218)	(402,850)
Income tax expense	486	0	1,694	0
Net loss	(155,977)	(219,191)	(294,912)	(402,850)
Other comprehensive (loss)/gain
Unrealized (loss)/gain on marketable securities	(766)	(35)	(818)	44
Foreign currency loss	(369)	(174)	(286)	(1,756)
Total other comprehensive income/(loss)	(1,135)	(209)	(1,104)	(1,712)
Comprehensive loss, net of tax	$ (157,112)	$ (219,400)	$ (296,016)	$ (404,562)
Net loss per common share, basic	$ (1.46)	$ (2.72)	$ (2.88)	$ (5.04)
Net loss per common share, diluted	$ (1.46)	$ (2.72)	$ (2.88)	$ (5.04)
Weighted-average number of common shares used in net loss per common share, basic	106,630	80,654	102,349	79,938
Weighted-average number of common shares used in net loss per common share, diluted	106,630	80,654	102,349	79,938
Product revenue, net [Member]
Revenue:
Revenue	$ 15,654	$ 623	$ 27,763	$ 623
Licensing and other revenue [Member]
Revenue:
Revenue	$ 668		$ 2,940