| Schedule of accumulated other comprehensive (loss) |
| | | | | | | | | | | | Unrealized | | | | | | | | | gains and | | | | | | | | | (Losses) on available- | | 2026 | | | for-sale | | Retirement | | | | (Dollar amounts in thousands) | | Securities | | plans | | Total | Beginning balance, January 1, | | $ | (83,358) | | $ | (3,323) | | $ | (86,681) | Change in other comprehensive income (loss) before reclassification | | | (8,674) | | | — | | | (8,674) | Amounts reclassified from accumulated other comprehensive income | | | — | | | 79 | | | 79 | Net current period other comprehensive income (loss) | | | (8,674) | | | 79 | | | (8,595) | Ending balance, March 31, | | $ | (92,032) | | $ | (3,244) | | $ | (95,276) |
| | | | | | | | | | | | Unrealized | | | | | | | | | gains and | | | | | | | | | (Losses) on available- | | 2025 | | | for-sale | | Retirement | | | | (Dollar amounts in thousands) | | Securities | | plans | | Total | Beginning balance, January 1, | | $ | (127,807) | | $ | (4,478) | | $ | (132,285) | Change in other comprehensive income (loss) before reclassification | | | 11,100 | | | — | | | 11,100 | Amounts reclassified from accumulated other comprehensive income | | | — | | | 3 | | | 3 | Net current period other comprehensive income (loss) | | | 11,100 | | | 3 | | | 11,103 | Ending balance, March 31, | | $ | (116,707) | | $ | (4,475) | | $ | (121,182) |
| | | | | | | | | | | | Balance at | | Current Period | | Balance at | (Dollar amounts in thousands) | | 1/1/2026 | | Change | | 3/31/2026 | Unrealized gains (losses) on securities available-for-sale without other than temporary impairment | | $ | (85,496) | | $ | (8,518) | | $ | (94,014) | Unrealized gains (losses) on securities available-for-sale with other than temporary impairment | | | 2,138 | | | (156) | | | 1,982 | Total unrealized gain (loss) on securities available-for-sale | | $ | (83,358) | | $ | (8,674) | | $ | (92,032) | Unrealized gain (loss) on retirement plans | | | (3,323) | | | 79 | | | (3,244) | TOTAL | | $ | (86,681) | | $ | (8,595) | | $ | (95,276) |
| | | | | | | | | | | | Balance at | | Current Period | | Balance at | (Dollar amounts in thousands) | | 1/1/2025 | | Change | | 3/31/2025 | Unrealized gains (losses) on securities available-for-sale without other than temporary impairment | | $ | (129,979) | | $ | 11,096 | | $ | (118,883) | Unrealized gains (losses) on securities available-for-sale with other than temporary impairment | | | 2,172 | | | 4 | | | 2,176 | Total unrealized income (loss) on securities available-for-sale | | $ | (127,807) | | $ | 11,100 | | $ | (116,707) | Unrealized gain (loss) on retirement plans | | | (4,478) | | | 3 | | | (4,475) | TOTAL | | $ | (132,285) | | $ | 11,103 | | $ | (121,182) |
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