Fair Value Measurements - Narrative (Details) - USD ($) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||||
| Change in fair value of warrant liabilities | $ 0 | $ 212,000 | $ 0 | $ 1,468,000 |
| Series B Redeemable Convertible Preferred Stock | ||||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||||
| Change in fair value of warrant liabilities | (200,000) | (1,500,000) | ||
| Warrant liabilities | 0 | 0 | ||
| Series D Redeemable Convertible Preferred Stock | ||||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||||
| Change in fair value of warrant liabilities | (200,000) | (1,500,000) | ||
| Warrant liabilities | 0 | 0 | ||
| Common stock warrants | ||||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||||
| Change in fair value of warrant liabilities | $ (200,000) | $ (1,500,000) | ||
| Warrant liabilities | $ 0 | $ 0 | ||