Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Statement [Abstract]
Collaboration revenue		$ 65,985
Operating expenses
Research and development	$ 29,633	26,571
General and administrative	12,542	8,759
Total operating expenses	42,175	35,330
Income (loss) from operations	(42,175)	30,655
Interest income and other, net	98	58
Income (loss) before income taxes	(42,077)	30,713
Net income (loss) and comprehensive income (loss)	$ (42,077)	$ 30,713
Net income (loss) per share attributable to common stockholders
Basic	$ (0.51)	$ 0.37
Diluted	$ (0.51)	$ 0.34
Weighted-average common shares outstanding
Basic	83,176,408	82,577,836
Diluted	83,176,408	89,099,075