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Accumulated Other Comprehensive Income (Loss) (Changes in AOCI by component) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward] |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax | $ (37,194) | $ 1,859 | $ 7,698
OCI before reclassifications | 14,117 | (49,253) | (7,363)
Amounts reclassified from AOCI | 28 | 59 | (31)
Net unrealized gains (losses) | 14,145 | (49,194) | (7,394)
Tax effect | (2,847) | 10,141 | 1,555
Unrealized gains (losses), net of tax | 11,298 | (39,053) | (5,839)
Accumulated Other Comprehensive Income (Loss), Net of Tax | (25,896) | (37,194) | 1,859
Unrealized Holding Gains (Losses) on AFS Securities [Member] |  |  |
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward] |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax | (35,828) | 3,873 | 10,485
OCI before reclassifications | 13,365 | (50,015) | (8,371)
Amounts reclassified from AOCI | (67) | 0 | 0
Net unrealized gains (losses) | 13,298 | (50,015) | (8,371)
Tax effect | (2,669) | 10,314 | 1,759
Unrealized gains (losses), net of tax | 10,629 | (39,701) | (6,612)
Accumulated Other Comprehensive Income (Loss), Net of Tax | (25,199) | (35,828) | 3,873
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] |  |  |
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward] |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax | 0 | 0 | (42)
OCI before reclassifications | 0 | 0 | 53
Amounts reclassified from AOCI | 0 | 0 | 0
Net unrealized gains (losses) | 0 | 0 | 53
Tax effect | 0 | 0 | (11)
Unrealized gains (losses), net of tax | 0 | 0 | 42
Accumulated Other Comprehensive Income (Loss), Net of Tax | 0 | 0 | 0
Defined Benefit Pension Plan [Member] |  |  |
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward] |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax | (1,366) | (2,014) | (2,745)
OCI before reclassifications | 752 | 762 | 955
Amounts reclassified from AOCI | 95 | 59 | (31)
Net unrealized gains (losses) | 847 | 821 | 924
Tax effect | (178) | (173) | (193)
Unrealized gains (losses), net of tax | 669 | 648 | 731
Accumulated Other Comprehensive Income (Loss), Net of Tax | $ (697) | $ (1,366) | $ (2,014)

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