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Changes to Accumulated Other Comprehensive Income (Loss), net - Components of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Beginning Balance | $ 180,906 | $ 246,735 | $ 185,989 | [1] | $ 248,793
Change in net unrealized holding gains (losses) on securities available for sale, net of deferred tax expense (benefit) | 3,131 | (5,023) | 573 |  | (1,157)
Ending Balance | 325,614 | 231,271 | 325,614 |  | 231,271
Net Unrealized (Losses) Gains on Available for Sale Securities [Member] |  |  |  |  |
Beginning Balance | (48,039) | (41,659) | (45,481) |  | (45,525)
Change in net unrealized holding gains (losses) on securities available for sale, net of deferred tax expense (benefit) | 3,079 | (5,023) | 521 |  | (1,157)
Reclassification for previously unrealized net losses on securities available for sale, net of income tax benefit | 52 |  | 52 |  |
Ending Balance | (44,908) | (46,682) | (44,908) |  | (46,682)
Transfer of Securities Held to Maturity to Available For Sale [Member] |  |  |  |  |
Beginning Balance | 425 | 425 | 425 |  | 425
Change in net unrealized holding gains (losses) on securities available for sale, net of deferred tax expense (benefit) | 0 | 0 | 0 |  | 0
Reclassification for previously unrealized net losses on securities available for sale, net of income tax benefit | 0 |  | 0 |  |
Ending Balance | 425 | 425 | 425 |  | 425
Pension and Post-retirement Benefit Plans[Member] |  |  |  |  |
Beginning Balance | 0 | (1) | 0 |  | (1)
Change in net unrealized holding gains (losses) on securities available for sale, net of deferred tax expense (benefit) | 0 | 0 | 0 |  | 0
Reclassification for previously unrealized net losses on securities available for sale, net of income tax benefit | 0 |  | 0 |  |
Ending Balance | 0 | (1) | 0 |  | (1)
Accumulated Other Comprehensive (Gain) Loss, net |  |  |  |  |
Beginning Balance | (47,614) | (41,235) | (45,056) |  | (45,101)
Change in net unrealized holding gains (losses) on securities available for sale, net of deferred tax expense (benefit) | 3,079 | (5,023) | 521 |  | (1,157)
Reclassification for previously unrealized net losses on securities available for sale, net of income tax benefit | 52 |  | 52 |  |
Ending Balance | $ (44,483) | $ (46,258) | $ (44,483) |  | $ (46,258)
[1] | Derived from audited December 31, 2023 Consolidated Financial Statements.

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- Definition Amount of equity (deficit) attributable to parent and noncontrolling interest. 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