Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Operating expenses:
Research and development	$ 148,134	$ 94,587
General and administrative	32,659	19,885
Total operating expenses	180,793	114,472
Loss from operations	(180,793)	(114,472)
Other income, net:
Interest income	32,935	21,666
Other income (expense)	7,140	(2,214)
Total other income, net	40,075	19,452
Net loss	$ (140,718)	$ (95,020)
Net loss per share, basic (in dollars per share)	$ (1.04)	$ (0.85)
Net loss per share, diluted (in dollars per share)	$ (1.04)	$ (0.85)
Weighted-average shares outstanding, basic (in shares)	135,690,949	111,690,951
Weighted-average shares outstanding, diluted (in shares)	135,690,949	111,690,951