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 | ||||
| Total stock-based compensation expense | $ 1,598 | $ 1,351 | $ 3,809 | $ 2,886 |
| Location, Statement of Income, Balance [Axis]: us-gaap:GeneralAndAdministrativeExpense | ||||
| Stock-Based Compensation | ||||
| Total stock-based compensation expense | 1,074 | 1,005 | 2,493 | 2,151 |
| Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpense | ||||
| Stock-Based Compensation | ||||
| Total stock-based compensation expense | $ 524 | $ 346 | $ 1,316 | $ 735 |