CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Statement [Abstract]
Collaboration revenue	$ 19,570	$ 43,735	$ 173,384	$ 87,165
Operating expenses:
Research and development	31,257	22,191	91,900	71,593
General and administrative	9,971	7,532	28,606	23,639
Total operating expenses	41,228	29,723	120,506	95,232
(Loss) income from operations	(21,658)	14,012	52,878	(8,067)
Other income:
Interest and other income	5,766	4,051	14,346	10,926
Total other income	5,766	4,051	14,346	10,926
(Loss) income before provision for income taxes	(15,892)	18,063	67,224	2,859
(Benefit from) provision for income taxes	(1,860)	(17,398)	2,729	0
Net (loss) income	$ (14,032)	$ 35,461	$ 64,495	$ 2,859
Net (loss) income per share, basic (in dollars per share)	$ (0.35)	$ 1.07	$ 1.79	$ 0.09
Net (loss) income per share, diluted (in dollars per share)	$ (0.35)	$ 1.02	$ 1.72	$ 0.08
Weighted-average common shares outstanding, basic (in shares)	40,629,602	33,281,287	36,118,930	32,942,958
Weighted-average common shares outstanding, diluted (in shares)	40,629,602	34,775,451	37,583,486	34,289,411
Other comprehensive income (loss):
Unrealized gain (loss) on marketable securities	$ 1,301	$ 509	$ 777	$ 1,561
Total other comprehensive income (loss)	1,301	509	777	1,561
Total comprehensive (loss) income	$ (12,731)	$ 35,970	$ 65,272	$ 4,420