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Stock-Based Compensation Plans - Employee Stock Purchase Plan (Details) - USD ($) $ in Thousands | 1 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Feb. 29, 2024 | Oct. 31, 2023 | Sep. 30, 2025 | Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Unrecognized stock-based compensation expense |  |  | $ 52,000 |
ESPP |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Length of purchase intervals |  |  | 6 months | 6 months
ESPP discount rate | 15.00% | 15.00% |  |
Initial common stock reserved (in shares) |  |  |  | 366,667
Common stock shares available for issuance (in shares) |  |  | 62,765 |
Unrecognized stock-based compensation expense |  |  | $ 34 |
Cost not yet recognized, period for recognition |  |  | 1 month 13 days |

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