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Change in Accumulated Other Comprehensive Income (Loss) (Tables) | 9 Months Ended
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Sep. 30, 2023
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Changes To Accumulated Other Comprehensive Income By Components | Changes to accumulated other comprehensive income (loss) by component are shown in the following table for the periods indicated:
|  | Three Months Ended |
|  | September 30, |
|  | 2023 |  |  | 2022 |
|  | Unrealized Gains and Losses on Available for Sale Securities |  |  | Change in Benefit Obligations and Plan Assets for the Post Retirement Benefit Plan |  |  | Total |  |  | Unrealized Gains and Losses on Available for Sale Securities |  |  | Change in Benefit Obligations and Plan Assets for the Post Retirement Benefit Plan |  |  | Total |
|  | (dollars in thousands) |  |  | (dollars in thousands) |
July 1 |  | $ | (19,430 | ) |  | $ | 14 |  |  | $ | (19,416 | ) |  | $ | (16,775 | ) |  | $ | 19 |  |  | $ | (16,756 | )
Other comprehensive (loss) before reclassifications |  |  | (5,237 | ) |  |  | — |  |  |  | (5,237 | ) |  |  | (6,401 | ) |  |  | — |  |  |  | (6,401 | )
Reclassifications |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 737 |  |  |  | — |  |  |  | 737 |
Tax effect of current period changes |  |  | 1,100 |  |  |  | — |  |  |  | 1,100 |  |  |  | 1,189 |  |  |  | — |  |  |  | 1,189 |
Current period changes net of taxes |  |  | (4,137 | ) |  |  | — |  |  |  | (4,137 | ) |  |  | (4,475 | ) |  |  | — |  |  |  | (4,475 | )
September 30 |  | $ | (23,567 | ) |  | $ | 14 |  |  | $ | (23,553 | ) |  | $ | (21,250 | ) |  | $ | 19 |  |  | $ | (21,231 | )
|  | Nine Months Ended |
|  | September 30, |
|  | 2023 |  |  | 2022 |
|  | Unrealized Gains and Losses on Available for Sale Securities |  |  | Change in Benefit Obligations and Plan Assets for the Post Retirement Benefit Plan |  |  | Total |  |  | Unrealized Gains and Losses on Available for Sale Securities |  |  | Change in Benefit Obligations and Plan Assets for the Post Retirement Benefit Plan |  |  | Total |
|  | (dollars in thousands) |  |  | (dollars in thousands) |
January 1 |  | $ | (20,465 | ) |  | $ | 19 |  |  | $ | (20,446 | ) |  | $ | (174 | ) |  | $ | 19 |  |  | $ | (155 | )
Other comprehensive income (loss) before reclassifications |  |  | (3,927 | ) |  |  | (8 | ) |  |  | (3,935 | ) |  |  | (27,416 | ) |  |  | — |  |  |  | (27,416 | )
Reclassifications |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 737 |  |  |  | — |  |  |  | 737 |
Tax effect of current period changes |  |  | 825 |  |  |  | 3 |  |  |  | 828 |  |  |  | 5,603 |  |  |  | — |  |  |  | 5,603 |
Current period changes net of taxes |  |  | (3,102 | ) |  |  | (5 | ) |  |  | (3,107 | ) |  |  | (21,076 | ) |  |  | — |  |  |  | (21,076 | )
September 30 |  | $ | (23,567 | ) |  | $ | 14 |  |  | $ | (23,553 | ) |  | $ | (21,250 | ) |  | $ | 19 |  |  | $ | (21,231 | )

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