CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Operating expenses:
Research and development	$ 187,584	$ 155,972
General and administrative	33,977	27,268
Total operating expenses	221,561	183,240
Loss from operations	(221,561)	(183,240)
Other income, net	493	4,305
Loss before provision for income taxes	(221,068)	(178,935)
Provision for income taxes	609	569
Net loss	$ (221,677)	$ (179,504)
Net loss per share — basic (in dollars per share)	$ (2.17)	$ (2.20)
Net loss per share — diluted (in dollars per share)	$ (2.17)	$ (2.20)
Weighted average common shares outstanding—basic (in shares)	101,943,396	81,601,826
Weighted average common shares outstanding—diluted (in shares)	101,943,396	81,601,826
Net loss	$ (221,677)	$ (179,504)
Other comprehensive loss, net of tax	(6)	(41)
Comprehensive loss	$ (221,683)	$ (179,545)