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Comprehensive Income/Loss (Comprehensive Income/(Loss) Presented Net of Taxes) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Equity [Abstract] |  |  |  |  |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax |  | $ 2,388 | $ (7,579) | $ 340 | $ 6,559
Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), after Adjustments, Tax |  | (653) | 2,131 | (93) | (1,844)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax |  | 1,735 | (5,448) | 247 | 4,715
COMPREHENSIVE INCOME |  |  |  |  |
Change in fair value of securities available for sale, pre tax amount |  | 5,358 | (14,993) | 1,406 | 7,192
Change in fair value of securities available for sale, tax (expense) benefit |  | (1,966) | 3,542 | (1,022) | (1,575)
Change in fair value of securities available for sale, after tax amount |  | 3,392 | (11,451) | 384 | 5,617
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax |  | 0 | 0 | 0 | 0
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax |  | 0 | 0 | 0 | 0
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax |  | 0 | 0 | 0 | 0
Change in fair value of securities available for sale, pre tax amount |  | 5,358 | (14,993) | 1,406 | 7,192
Change in fair value of securities available for sale, tax (expense) benefit |  | (1,966) | 3,542 | (1,022) | (1,575)
Change in fair value of securities available for sale, after tax amount |  | 3,392 | (11,451) | 384 | 5,617
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax |  | (2,642) | (14,599) | (10,546) | (6,700)
Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), before Adjustments, Tax |  | 722 | 4,105 | 2,883 | 1,884
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax |  | (1,920) | (10,494) | (7,663) | (4,816)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax |  | (5,030) | (7,020) | (10,886) | (13,259)
Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), Adjustments, Tax |  | 1,375 | 1,974 | 2,976 | 3,728
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax |  | (3,655) | (5,046) | (7,910) | (9,531)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax |  | (25) | (137) | (50) | (274)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, Tax |  | 7 | 39 | 14 | 77
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax |  | (18) | (98) | (36) | (197)
Amortization of certain costs included in net periodic retirement costs, pre tax amount |  | 5 | 9 | 9 | 19
Amortization of certain costs included in net periodic retirement costs, tax (expense) benefit |  | (1) | (2) | (2) | (5)
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, after Tax |  | 4 | 7 | 7 | 14
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax | [1] | (20) | (128) | (41) | (255)
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax | [1] | 6 | 37 | 12 | 72
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax | [1] | (14) | (91) | (29) | (183)
Total other comprehensive income, pre tax amount |  | 7,726 | (22,700) | 1,705 | 13,496
Total other comprehensive income, tax (expense) benefit |  | (2,613) | 5,710 | (1,103) | (3,347)
Total other comprehensive income, after tax amount |  | $ 5,113 | $ (16,990) | $ 602 | $ 10,149
[1] | The amortization of prior service costs is included in the computation of net periodic pension cost as disclosed in Note 12 - Employee Benefit Plans within the Notes to the Consolidated Financial Statements included in Item 8 of the Company’s 2023 Form 10-K.

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