Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Income Statement [Abstract]
Collaboration revenue	$ 65,985
Operating expenses
Research and development	26,571	$ 2,821
General and administrative	8,759	1,224
Total operating expenses	35,330	4,045
Income (loss) from operations	30,655	(4,045)
Interest income and other, net	58	57
Net income (loss) and comprehensive income (loss)	$ 30,713	$ (3,988)
Net income (loss) per share attributable to common stockholders
Basic	$ 0.37	$ (0.40)
Diluted	$ 0.34	$ (0.40)
Weighted-average common shares outstanding
Basic	82,577,836	10,091,000
Diluted	89,099,075	10,091,000