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Accumulated Other Comprehensive Income (Loss), Net (Tables) | 12 Months Ended
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Dec. 31, 2023
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Components of Accumulated Other Comprehensive Income (Loss) | The following tables present components of accumulated other comprehensive income (loss) for the periods stated.
(Dollars in thousands) |  | Securities Available For Sale |  |  | Transfer of Securities Held to Maturity to Available For Sale |  |  | Interest Rate Swaps |  |  | Pension and Post-retirement Benefit Plans |  |  | Accumulated Other Comprehensive Income (Loss), net |
Balance as of December 31, 2020 |  | $ | 644 |  |  | $ | 425 |  |  | $ | (805 | ) |  | $ | — |  |  | $ | 264 |
Change in net unrealized holding losses on securities available for sale, net of tax benefit of $1,279 |  |  | (4,814 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (4,814 | )
Reclassification for previously unrealized net losses recognized in net income, net of tax benefit of $30 |  |  | 114 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 114 |
Change in net unrealized holding gains on interest rate swaps, net of tax expense of $1,521 |  |  | — |  |  |  | — |  |  |  | 5,719 |  |  |  | — |  |  |  | 5,719 |
Reclassification for previously unrealized net gains recognized in net income, net of tax expense of $1,307 |  |  | — |  |  |  | — |  |  |  | (4,914 | ) |  |  | — |  |  |  | (4,914 | )
Change in net unrealized losses on pension and post-retirement benefit plans, net of tax benefit of $1 |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (1 | ) |  |  | (1 | )
Balance as of December 31, 2021 |  |  | (4,056 | ) |  |  | 425 |  |  |  | — |  |  |  | (1 | ) |  |  | (3,632 | )
Change in net unrealized holding losses on securities available for sale, net of tax benefit of $11,936 |  |  | (41,469 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (41,469 | )
Balance as of December 31, 2022 |  |  | (45,525 | ) |  |  | 425 |  |  |  | — |  |  |  | (1 | ) |  |  | (45,101 | )
Change in net unrealized holding losses on securities available for sale, net of tax benefit of $132 |  |  | (460 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (460 | )
Reclassification for previously unrealized net losses recognized in net income, net of income tax benefit of $145 |  |  | 504 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 504 |
Reclassification for previously unrealized net losses recognized in net income, net of tax benefit of $1 |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1 |  |  |  | 1 |
Balance as of December 31, 2023 |  | $ | (45,481 | ) |  | $ | 425 |  |  | $ | — |  |  | $ | — |  |  | $ | (45,056 | )

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- Definition Tabular disclosure of components of comprehensive income (loss). Includes, but is not limited to, foreign currency translation adjustments, foreign currency transactions designated as economic hedges of a net investment in foreign entity, gain (loss) and prior service cost (credit) for pension plans and other postretirement benefit plans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Paragraph 1 -Section 45 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-1 + Details
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