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Stockholders' Equity (Line Items in Consolidated Income Statements Affected by Amounts Reclassified from Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Amortization of defined benefit pension and post-retirement items | $ 17,231 | $ 28,191 | $ (13,325)
Employee Benefit Plans [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Amortization of defined benefit pension and post-retirement items | 17,231 | 28,191 | $ (13,325)
Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Total reclassifications, net of tax | (27,738) | (42,670) |
Reclassification out of Accumulated Other Comprehensive Income [Member] | Held to Maturity Securities Transferred from AFS [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Amortization of unrealized net loss on securities transferred to HTM | (1,580) | (1,670) |
Tax effect | 367 | 356 |
Net of tax | (1,213) | (1,314) |
Reclassification out of Accumulated Other Comprehensive Income [Member] | Available for Sale Securities [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Loss on sale of AFS securities | (410) | 0 |
Tax effect | 94 | 0 |
Net of tax | (316) | 0 |
Reclassification out of Accumulated Other Comprehensive Income [Member] | Employee Benefit Plans [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Amortization of defined benefit pension and post-retirement items | (3,281) | (4,888) |
Tax effect | 756 | 1,072 |
Net of tax | (2,525) | (3,816) |
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Reclassification of unrealized loss on cash flow hedges | (27,619) | (45,537) |
Tax effect | 6,268 | 9,882 |
Net of tax | (21,351) | (35,655) |
Amortization of loss on terminated cash flow hedges | $ (6,123) | $ (2,407) |
OCI, Cash Flow Hedge, Reclassification for Discontinuance, Statement of Income or Comprehensive Income [Extensible Enumeration] | Interest and Dividend Income, Operating | Interest and Dividend Income, Operating |
Tax effect | $ 1,390 | $ 522 |
Net of tax | (4,733) | (1,885) |
Reclassification out of Accumulated Other Comprehensive Income [Member] | Gains and Losses on Equity Method Investment [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Reclassification of unrealized gain on equity method investment | 2,400 | 0 |
Tax effect | 0 | 0 |
Net of Tax | $ 2,400 | $ 0 |

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