Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Condensed Consolidated Statements of Operations and Comprehensive Income (Loss)
Collaboration revenue	$ 150,480	$ 658
Operating expenses:
Research and development	18,568	14,349
General and administrative	9,028	7,659
Total operating expenses	27,596	22,008
Operating income (loss)	122,884	(21,350)
Other income, net:
Interest income	1,864	31
Total other income	1,864	31
Income (loss) before income taxes	124,748	(21,319)
Income tax provision	704
Net income (loss)	124,044	(21,319)
Other comprehensive income (loss)
Net unrealized gain (loss) on available-for-sale securities	87	(85)
Total other comprehensive income (loss)	87	(85)
Comprehensive income (loss)	$ 124,131	$ (21,404)
Net income (loss) per share, basic	$ 3.05	$ (0.56)
Net income (loss) per share, diluted	$ 2.94	$ (0.56)
Weighted-average common shares outstanding, basic	40,632,087	38,049,430
Weighted-average common shares outstanding, diluted	42,161,326	38,049,430