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Changes to Accumulated Other Comprehensive Income (Loss), net (Tables) | 3 Months Ended
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Mar. 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.
|  | For the three months ended March 31, 2023 |
(Dollars in thousands) |  | Net Unrealized (Losses) Gains on Available for Sale Securities |  |  | Transfer of Securities Held to Maturity to Available For Sale |  |  | Pension and Post-retirement Benefit Plans |  |  | Accumulated Other Comprehensive (Loss) Income, net |
Balance as of December 31, 2022 |  | $ | (45,525 | ) |  | $ | 425 |  |  | $ | (1 | ) |  | $ | (45,101 | )
Change in net unrealized holding gains on securities available for sale, net of deferred tax expense of $1,113 |  |  | 3,866 |  |  |  | — |  |  |  | — |  |  |  | 3,866 |
Balance as of March 31, 2023 |  | $ | (41,659 | ) |  | $ | 425 |  |  | $ | (1 | ) |  | $ | (41,235 | )
|  | For the three months ended March 31, 2022 |
(Dollars in thousands) |  | Net Unrealized Losses on Available for Sale Securities |  |  | Transfer of Securities Held to Maturity to Available For Sale |  |  | Pension and Post-retirement Benefit Plans |  |  | Accumulated Other Comprehensive Loss, net |
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 deferred tax benefit of $4,742 |  |  | (17,844 | ) |  |  | — |  |  |  | — |  |  |  | (17,844 | )
Balance as of March 31, 2022 |  | $ | (21,900 | ) |  | $ | 425 |  |  | $ | (1 | ) |  | $ | (21,476 | )

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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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