Condensed Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Operating expenses
Research and development	$ 74,226	$ 54,533	$ 145,112	$ 97,338
General and administrative	14,580	10,394	28,083	18,606
Total operating expenses	88,806	64,927	173,195	115,944
Loss from operations	(88,806)	(64,927)	(173,195)	(115,944)
Interest income and other income, net	11,315	12,155	23,526	23,600
Net loss	(77,491)	(52,772)	(149,669)	(92,344)
Unrealized gains (losses) on marketable securities	(64)	(493)	709	(1,978)
Comprehensive loss	$ (77,555)	$ (53,265)	$ (148,960)	$ (94,322)
Net loss per common share, basic	$ (0.88)	$ (0.68)	$ (1.69)	$ (1.21)
Net loss per common share, diluted	$ (0.88)	$ (0.68)	$ (1.69)	$ (1.21)
Weighted-average common shares outstanding, basic	88,472,197	77,962,730	88,414,586	76,535,607
Weighted-average common shares outstanding, diluted	88,472,197	77,962,730	88,414,586	76,535,607