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Change in Accumulated Other Comprehensive Income - (Loss) Changes To Accumulated Other Comprehensive Income By Components (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |  |  |  |  |
Beginning balance | $ (19,416) |  | $ (20,446) | $ (16,756) |  | $ (155) | $ (20,446) | $ (155)
Other comprehensive (loss) before reclassifications | (5,237) |  |  | (6,401) |  |  | (3,935) | (27,416)
Reclassifications |  |  |  | 737 |  |  |  | 737
Tax effect of current period changes | 1,100 |  |  | 1,189 |  |  | 828 | 5,603
Total other comprehensive (loss) | (4,137) | $ (1,945) | 2,975 | (4,475) | $ (5,973) | (10,628) | (3,107) | (21,076)
Ending balance | (23,553) | (19,416) |  | (21,231) | (16,756) |  | (23,553) | (21,231)
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |  |  |  |  |
Beginning balance | (19,430) |  | (20,465) | (16,775) |  | (174) | (20,465) | (174)
Other comprehensive (loss) before reclassifications | (5,237) |  |  | (6,401) |  |  | (3,927) | (27,416)
Reclassifications | 0 |  |  | 737 |  |  | 0 | 737
Tax effect of current period changes | (1,100) |  |  | 1,189 |  |  | 825 | 5,603
Total other comprehensive (loss) | (4,137) |  |  | (4,475) |  |  | (3,102) | (21,076)
Ending balance | (23,567) | (19,430) |  | (21,250) | (16,775) |  | (23,567) | (21,250)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |  |  |  |  |
Beginning balance | 14 |  | $ 19 | 19 |  | $ 19 | 19 | 19
Other comprehensive (loss) before reclassifications |  |  |  |  |  |  | (8) |
Tax effect of current period changes |  |  |  |  |  |  | 3 |
Total other comprehensive (loss) |  |  |  |  |  |  | (5) |
Ending balance | $ 14 | $ 14 |  | $ 19 | $ 19 |  | $ 14 | $ 19

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