Unaudited Condensed Statements of Operations and Comprehensive 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	$ 439	$ 2,517	$ 10,588	$ 5,622
Operating expenses:
Research and development	18,614	11,892	47,582	42,681
General and administrative	17,667	6,438	32,831	19,783
Total operating expenses	36,281	18,330	80,413	62,464
Loss from operations	(35,842)	(15,813)	(69,825)	(56,842)
Other income:
Interest income	7,783	4,245	21,047	10,307
Total other income	7,783	4,245	21,047	10,307
Net loss	(28,059)	(11,568)	(48,778)	(46,535)
Other comprehensive gain (loss):
Unrealized gain (loss) on available-for-sale securities, net	9,447	(115)	7,166	360
Comprehensive loss	$ (18,612)	$ (11,683)	$ (41,612)	$ (46,175)
Net loss per common share, basic	$ (0.51)	$ (0.25)	$ (0.93)	$ (1.08)
Net loss per common share, diluted	$ (0.51)	$ (0.25)	$ (0.93)	$ (1.08)
Weighted-average shares of common stock outstanding, basic	54,628,670	45,708,649	52,717,020	43,117,403
Weighted-average shares of common stock outstanding diluted	54,628,670	45,708,649	52,717,020	43,117,403