Consolidated Statements of Operations and Comprehensive (Loss) Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Income Statement [Abstract]
Collaboration revenue	$ 0	$ 80,000	$ 0	$ 80,000
Operating expenses:
Research and development	12,987	17,261	26,391	37,034
General and administrative	6,828	10,247	13,827	20,308
Total operating expenses	19,815	27,508	40,218	57,342
(Loss) income from operations	(19,815)	52,492	(40,218)	22,658
Other income, net	2,519	2,917	5,267	5,881
Net (loss) income	$ (17,296)	$ 55,409	$ (34,951)	$ 28,539
Net (loss) income per share, basic	$ (0.28)	$ 0.89	$ (0.56)	$ 0.46
Net (loss) income per share, diluted	$ (0.28)	$ 0.87	$ (0.56)	$ 0.45
Weighted-average common shares outstanding, basic	62,544	62,205	62,506	62,095
Weighted-average common shares outstanding, diluted	62,544	63,587	62,506	63,684
Comprehensive (loss) income:
Net Income (Loss)	$ (17,296)	$ 55,409	$ (34,951)	$ 28,539
Other comprehensive gain (loss):
Unrealized gain (loss) on marketable securities	12	68	(48)	(230)
Total other comprehensive gain (loss)	12	68	(48)	(230)
Comprehensive (loss) income	$ (17,284)	$ 55,477	$ (34,999)	$ 28,309