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Change in Accumulated Other Comprehensive Income - (Loss) Changes To Accumulated Other Comprehensive Income By Components (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Mar. 31, 2024 | Jun. 30, 2023 | Mar. 31, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |  |  |
Beginning balance | $ (19,817,000) | $ (18,006,000) | $ (17,471,000) | $ (20,446,000) | $ (18,006,000) | $ (20,446,000)
Other comprehensive (loss) before reclassifications | 1,334,000 |  | (2,462,000) |  | (958,000) | 1,302,000
Reclassifications | 0 |  |  |  | 0 |
Tax effect of current period changes | (280,000) |  | 517,000 |  | 201,000 | (272,000)
Current period changes net of taxes | 1,054,000 | (1,811,000) | (1,945,000) | 2,975,000 | (757,000) | 1,030,000
Ending balance | (18,763,000) | (19,817,000) | (19,416,000) | (17,471,000) | (18,763,000) | (19,416,000)
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent |  |  |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |  |  |
Beginning balance | (19,827,000) | (18,020,000) | (17,485,000) | (20,465,000) | (18,020,000) | (20,465,000)
Other comprehensive (loss) before reclassifications | 1,334,000 |  | (2,462,000) |  | (953,000) | 1,310,000
Tax effect of current period changes | (280,000) |  | 517,000 |  | 200,000 | (275,000)
Current period changes net of taxes | 1,054,000 |  | (1,945,000) |  | (753,000) | 1,035,000
Ending balance | (18,773,000) | (19,827,000) | (19,430,000) | (17,485,000) | (18,773,000) | (19,430,000)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent |  |  |  |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |  |  |  |
Beginning balance | 10,000 | 14,000 | 14,000 | 19,000 | 14,000 | 19,000
Other comprehensive (loss) before reclassifications | 0 |  | 0 |  | (5,000) | (8,000)
Tax effect of current period changes | 0 |  | 0 |  | 1,000 | 3,000
Current period changes net of taxes | 0 |  | 0 |  | (4,000) | (5,000)
Ending balance | $ 10,000 | $ 10,000 | $ 14,000 | $ 14,000 | $ 10,000 | $ 14,000

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