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Accumulated Other Comprehensive Loss (Amounts Reclassified Out of Each Component of Accumulated Other Comprehensive (Loss) Income (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Mar. 31, 2024 | Jun. 30, 2023 | Mar. 31, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |  |  |  |  |  |
Interest income |  | $ 41,193 |  |  | $ 42,337 |  |  | $ 81,275 |  | $ 84,152 |
Income (loss) before income taxes |  | 30,146 |  |  | 16,791 |  |  | 32,572 |  | 31,655 |
Income tax expense |  | 4,517 |  |  | 2,418 |  |  | 4,873 |  | 5,193 |
Net income |  | 25,629 |  | $ 2,070 | 14,373 |  | $ 12,089 | 27,699 |  | 26,462 |
Securities Available for Sale and Transferred Securities [Member] |  |  |  |  |  |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |  |  |  |  |  |
Reclassification before tax |  | (13) | [1] |  | (16) | [2] |  | (27) | [1] | (35) | [2]
Reclassification tax |  | (3) | [1] |  | (4) | [2] |  | (7) | [1] | (9) | [2]
Total reclassified for the period |  | (10) | [1] |  | 12 | [2] |  | (20) | [1] | 26 | [2]
Prior Service Credit [Member] |  |  |  |  |  |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |  |  |  |  |  |
Reclassification before tax | [3] | 134 |  |  | 123 |  |  | 268 |  | 245 |
Net Actuarial Losses [Member] |  |  |  |  |  |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |  |  |  |  |  |
Reclassification before tax | [3] | (357) |  |  | (316) |  |  | (715) |  | (632) |
Pension And Post-Retirement Obligations [Member] |  |  |  |  |  |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net income |  | (10) |  |  | (12) |  |  |  |  |  |
Reclassification before tax |  | (13) |  |  | (16) |  |  |  |  |  |
Reclassification tax |  | 57 |  |  | 49 |  |  | 115 |  | 99 |
Total reclassified for the period |  | (166) |  |  | (144) |  |  | (332) |  | (288) |
Accumulated Other Comprehensive Loss [Member] |  |  |  |  |  |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total reclassified for the period |  | (176) |  |  | (156) |  |  | (352) |  | (314) |
Reclassification out of Accumulated Other Comprehensive (Loss) Income [Member] | Securities Available for Sale and Transferred Securities [Member] |  |  |  |  |  |  |  |  |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |  |  |  |  |  |  |  |  |
Interest income |  | (13) |  |  | (16) |  |  | (27) |  | (35) |
Income (loss) before income taxes |  | (223) |  |  | (193) |  |  | (447) |  | (387) |
Income tax expense |  | 3 |  |  | 4 |  |  | 7 |  | 9 |
Net income |  |  |  |  |  |  |  | (20) |  | (26) |
Reclassification before tax |  |  |  |  |  |  |  | (27) |  | (35) |
Total reclassified for the period |  | $ (166) |  |  | $ (144) |  |  | $ (332) |  | $ (288) |
[1] | Includes amounts related to the amortization/accretion of unrealized net gains and losses related to the Company’s reclassification of available for sale investment securities to the held to maturity category. The unrealized net gains/losses will be amortized/accreted over the remaining life of the investment securities as an adjustment of yield.
[2] | Includes amounts related to the amortization/accretion of unrealized net gains and losses related to the Company’s reclassification of available for sale investment securities to the held to maturity category. The unrealized net gains/losses will be amortized/accreted over the remaining life of the investment securities as an adjustment of yield.
[3] | These items are included in the computation of net periodic pension expense. See Note 12 – Employee Benefit Plans for additional information.

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