Fair Value of Financial Instruments - Reconciliation Of Assets Measured at Fair Value On A Recurring Basis (Details) - USD ($) $ in Thousands |
9 Months Ended | 12 Months Ended |
|---|---|---|
Sep. 30, 2026 |
Dec. 31, 2025 |
|
| Municipal Securities | ||
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] | ||
| Beginning balance | $ 23,447 | $ 24,717 |
| Unrealized (Loss) Gains Included in Other Comprehensive Loss | (639) | 2,458 |
| Maturities, Prepayments, and Calls | (3,522) | (3,728) |
| Transfers Out of Level 3 | 0 | 0 |
| Ending balance | 19,286 | 23,447 |
| Corporate Securities | ||
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] | ||
| Beginning balance | 8,521 | 12,500 |
| Unrealized (Loss) Gains Included in Other Comprehensive Loss | 196 | 21 |
| Maturities, Prepayments, and Calls | 0 | 0 |
| Transfers Out of Level 3 | (1,500) | (4,000) |
| Ending balance | $ 7,217 | $ 8,521 |