Nature of Business and Overview (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Nature of Business and Overview
Cash, cash equivalents and marketable securities	$ 518,600
Net loss	258,757	$ 157,863	$ 141,429
Net cash used in operations	$ 210,945	$ 157,778	$ 107,291