| 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, July 1, | | $ | (87,900) | | $ | (3,165) | | $ | (91,065) | Change in other comprehensive income (loss) before reclassification | | | (36,401) | | | — | | | (36,401) | Amounts reclassified from accumulated other comprehensive income | | | — | | | 79 | | | 79 | Net current period other comprehensive income (loss) | | | (36,401) | | | 79 | | | (36,322) | Ending balance, September 30, | | $ | (124,301) | | $ | (3,086) | | $ | (127,387) |
| | | | | | | | | | | | 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 | | | (41,025) | | | — | | | (41,025) | Amounts reclassified from accumulated other comprehensive income | | | 82 | | | 237 | | | 319 | Net current period other comprehensive income (loss) | | | (40,943) | | | 237 | | | (40,706) | Ending balance, September 30, | | $ | (124,301) | | $ | (3,086) | | $ | (127,387) |
| | | | | | | | | | | | Unrealized | | | | | | | | | gains and | | | | | | | | | (Losses) on available- | | 2025 | | | for-sale | | Retirement | | | | (Dollar amounts in thousands) | | Securities | | plans | | Total | Beginning balance, July 1, | | $ | (113,761) | | $ | (4,473) | | $ | (118,234) | Change in other comprehensive income (loss) before reclassification | | | 19,614 | | | — | | | 19,614 | Amounts reclassified from accumulated other comprehensive income | | | (18) | | | 3 | | | (15) | Net current period other comprehensive income (loss) | | | 19,596 | | | 3 | | | 19,599 | Ending balance, September 30, | | $ | (94,165) | | $ | (4,470) | | $ | (98,635) |
| | | | | | | | | | | | 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 | | | 33,658 | | | — | | | 33,658 | Amounts reclassified from accumulated other comprehensive income | | | (16) | | | 8 | | | (8) | Net current period other comprehensive income (loss) | | | 33,642 | | | 8 | | | 33,650 | Ending balance, September 30, | | $ | (94,165) | | $ | (4,470) | | $ | (98,635) |
| | | | | | | | | | | | Balance at | | Current Period | | Balance at | (Dollar amounts in thousands) | | 7/1/2026 | | Change | | 9/30/2026 | Unrealized gains (losses) on securities available-for-sale without other than temporary impairment | | $ | (89,888) | | $ | (36,409) | | $ | (126,297) | Unrealized gains (losses) on securities available-for-sale with other than temporary impairment | | | 1,988 | | | 8 | | | 1,996 | Total unrealized loss on securities available-for-sale | | $ | (87,900) | | $ | (36,401) | | $ | (124,301) | Unrealized gain (loss) on retirement plans | | | (3,165) | | | 79 | | | (3,086) | TOTAL | | $ | (91,065) | | $ | (36,322) | | $ | (127,387) |
| | | | | | | | | | | | Balance at | | Current Period | | Balance at | (Dollar amounts in thousands) | | 1/1/2026 | | Change | | 9/30/2026 | Unrealized gains (losses) on securities available-for-sale without other than temporary impairment | | $ | (85,496) | | $ | (40,801) | | $ | (126,297) | Unrealized gains (losses) on securities available-for-sale with other than temporary impairment | | | 2,138 | | | (142) | | | 1,996 | Total unrealized gain (loss) on securities available-for-sale | | $ | (83,358) | | $ | (40,943) | | $ | (124,301) | Unrealized gain (loss) on retirement plans | | | (3,323) | | | 237 | | | (3,086) | TOTAL | | $ | (86,681) | | $ | (40,706) | | $ | (127,387) |
| | | | | | | | | | | | Balance at | | Current Period | | Balance at | (Dollar amounts in thousands) | | 7/1/2025 | | Change | | 9/30/2025 | Unrealized gains (losses) on securities available-for-sale without other than temporary impairment | | $ | (115,942) | | $ | 19,645 | | $ | (96,297) | Unrealized gains (losses) on securities available-for-sale with other than temporary impairment | | | 2,181 | | | (49) | | | 2,132 | Total unrealized gain (loss) on securities available-for-sale | | $ | (113,761) | | $ | 19,596 | | $ | (94,165) | Unrealized loss on retirement plans | | | (4,473) | | | 3 | | | (4,470) | TOTAL | | $ | (118,234) | | $ | 19,599 | | $ | (98,635) |
| | | | | | | | | | | | Balance at | | Current Period | | Balance at | (Dollar amounts in thousands) | | 1/1/2025 | | Change | | 9/30/2025 | Unrealized gains (losses) on securities available-for-sale without other than temporary impairment | | $ | (129,979) | | $ | 33,682 | | $ | (96,297) | Unrealized gains (losses) on securities available-for-sale with other than temporary impairment | | | 2,172 | | | (40) | | | 2,132 | Total unrealized income (loss) on securities available-for-sale | | $ | (127,807) | | $ | 33,642 | | $ | (94,165) | Unrealized gain (loss) on retirement plans | | | (4,478) | | | 8 | | | (4,470) | TOTAL | | $ | (132,285) | | $ | 33,650 | | $ | (98,635) |
|