Commitments and Contingent Liabilities - Corporation's Reserve for Unfunded Commitments (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Commitments and Contingent Liabilities | ||||
| Balance at the beginning of period | $ 1,750 | $ 1,750 | $ 1,600 | $ 1,800 |
| Provision charged to operations | 150 | (50) | ||
| Total | $ 1,750 | $ 1,750 | $ 1,750 | $ 1,750 |