Stock-based Compensation - Stock-based compensation expense (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Stock-based Compensation
Stock-based compensation expense	$ 6,665	$ 3,311	$ 12,150	$ 5,582
Location, Statement of Income, Balance [Axis]: us-gaap:GeneralAndAdministrativeExpense
Stock-based Compensation
Stock-based compensation expense	3,505	1,816	6,688	3,102
Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpense
Stock-based Compensation
Stock-based compensation expense	$ 3,160	$ 1,495	$ 5,462	$ 2,480

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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