COMPREHENSIVE INCOME (LOSS) (Tables)
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12 Months Ended |
Dec. 31, 2025 |
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| COMPREHENSIVE INCOME (LOSS) |
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| Schedule of the components of other comprehensive income, and the related tax effects |
| | | | | | | | | | (In Thousands) | | Before-Tax | | Income Tax | | Net-of-Tax | | | Amount | | Effect | | Amount | 2025 | | | | | | | | | | Available-for-sale debt securities: | | | | | | | | | | Unrealized holding gains on available-for-sale debt securities | | $ | 17,896 | | $ | (3,936) | | $ | 13,960 | Reclassification adjustment for gains realized in income | | | (38) | | | 8 | | | (30) | Other comprehensive income from available-for-sale debt securities | | | 17,858 | | | (3,928) | | | 13,930 | Unfunded pension and postretirement obligations: | | | | | | | | | | Changes from plan amendments and actuarial gains and losses | | | 39 | | | (6) | | | 33 | Amortization of prior service cost, net actuarial gain and settlement of plan obligation included in net periodic benefit cost | | | 4 | | | (1) | | | 3 | Other comprehensive income on unfunded retirement obligations | | | 43 | | | (7) | | | 36 | Total other comprehensive income | | $ | 17,901 | | $ | (3,935) | | $ | 13,966 | 2024 | | | | | | | | | | Available-for-sale debt securities: | | | | | | | | | | Unrealized holding gains on available-for-sale debt securities | | $ | 1,670 | | $ | 124 | | $ | 1,794 | Reclassification adjustment for losses realized in income | | | 0 | | | 0 | | | 0 | Other comprehensive income from available-for-sale debt securities | | | 1,670 | | | 124 | | | 1,794 | Unfunded pension and postretirement obligations: | | | | | | | | | | Changes from plan amendments and actuarial gains and losses | | | 405 | | | (87) | | | 318 | Amortization of prior service cost and net actuarial loss and curtailment gain included in net periodic benefit cost | | | (552) | | | 116 | | | (436) | Other comprehensive loss on unfunded retirement obligations | | | (147) | | | 29 | | | (118) | Total other comprehensive income | | $ | 1,523 | | $ | 153 | | $ | 1,676 | 2023 | | | | | | | | | | Available-for-sale debt securities: | | | | | | | | | | Unrealized holding gains on available-for-sale debt securities | | $ | 11,512 | | $ | (2,418) | | $ | 9,094 | Reclassification adjustment for losses realized in income | | | 3,036 | | | (638) | | | 2,398 | Other comprehensive income from available-for-sale debt securities | | | 14,548 | | | (3,056) | | | 11,492 | Unfunded pension and postretirement obligations: | | | | | | | | | | Changes from plan amendments and actuarial gains and losses | | | (9) | | | 2 | | | (7) | Amortization of prior service cost and net actuarial loss included in net periodic benefit cost | | | (56) | | | 12 | | | (44) | Other comprehensive loss on unfunded retirement obligations | | | (65) | | | 14 | | | (51) | Total other comprehensive income | | $ | 14,483 | | $ | (3,042) | | $ | 11,441 |
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| Schedule of components of other comprehensive income and affected line item in the consolidated statements of income |
| | | | | Affected Line Item in the | Description | | Consolidated Statements of Income | Reclassification adjustment for (gains) losses realized in income (before-tax) | | Realized gains (losses) on available-for-sale debt securities, net | Amortization of prior service cost, net actuarial gain (loss), settlement of plan obligation and curtailment gain included in net periodic benefit cost (before-tax) | | Other noninterest expense | Income tax effect | | Income tax provision |
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| Schedule of changes in the components of accumulated other comprehensive income |
| | | | | | | | | | (In Thousands) | | | | | | | | Accumulated | | | Unrealized | | Unfunded | | Other | | | (Losses) Gains | | Retirement | | Comprehensive | | | on Securities | | Obligations | | Loss | 2025 | | | | | | | | | | Balance, beginning of period | | $ | (37,084) | | $ | 323 | | $ | (36,761) | Other comprehensive income during year ended December 31, 2025 | | | 13,930 | | | 36 | | | 13,966 | Balance, end of period | | $ | (23,154) | | $ | 359 | | $ | (22,795) | 2024 | | | | | | | | | | Balance, beginning of period | | $ | (38,878) | | $ | 441 | | $ | (38,437) | Other comprehensive income (loss) during year ended December 31, 2024 | | | 1,794 | | | (118) | | | 1,676 | Balance, end of period | | $ | (37,084) | | $ | 323 | | $ | (36,761) | 2023 | | | | | | | | | | Balance, beginning of period | | $ | (50,370) | | $ | 492 | | $ | (49,878) | Other comprehensive income (loss) during year ended December 31, 2023 | | | 11,492 | | | (51) | | | 11,441 | Balance, end of period | | $ | (38,878) | | $ | 441 | | $ | (38,437) |
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