Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues:
Total revenues	$ 1,095,415	$ 76,368	$ 8,091
Operating expenses:
Cost of revenue	65,865	0	0
Research and development	448,006	302,411	148,472
Selling, general and administrative	160,793	70,937	37,598
Total operating expenses	674,664	373,348	186,070
Income (loss) from operations	420,751	(296,980)	(177,979)
Other income (expense):
Change in fair value of equity investments	138,049	0	0
Interest income	439	2,836	8,511
Other expense, net	(9,437)	(4,467)	(5,061)
Total other income (expense)	129,051	1,631	(3,450)
Income (loss) before provision for income taxes	549,802	(298,611)	(174,529)
Provision for income taxes	(21,218)	(54)	(154)
Net income (loss)	$ 528,584	$ (298,665)	$ (174,683)
Net income (loss) per share, basic	$ 4.07	$ (2.51)	$ (5.76)
Net income (loss) per share, diluted	$ 3.96	$ (2.51)	$ (5.76)
Weighted-average shares outstanding, basic	129,884,967	119,159,424	30,349,920
Weighted-average shares outstanding, diluted	133,437,126	119,159,424	30,349,920
Collaboration Revenue [Member]
Revenues:
Total revenues	$ 917,194	$ 0	$ 0
Contract Revenue [Member]
Revenues:
Total revenues	169,874	44,498	711
Grant Revenue [Member]
Revenues:
Total revenues	8,347	9,123	7,380
License [Member]
Revenues:
Total revenues	$ 0	$ 22,747	$ 0