Fair Value Measurements - Fair Value of Instruments Classified as Level 3 (Details) - Debt derivative liabilities - Level 3 - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | |
|---|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] | |||
| Beginning balance | $ 2,078 | $ 3,886 | $ 2,400 |
| Change in fair value included in net income (loss) | (210) | 0 | (531) |
| Extinguishment of debt derivative included in net loss | (3,886) | 0 | |
| Ending balance | $ 1,868 | $ 0 | $ 1,868 |