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v3.21.2

Stockholders' Equity (Line Items in Consolidated Income Statements Affected by Amounts Reclassified from Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2021 | Sep. 30, 2020
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Amortization of defined benefit pension and post-retirement items |  |  | $ (10,251)
Employee Benefit Plans [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Amortization of defined benefit pension and post-retirement items |  |  | (10,251)
Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Total reclassifications, net of tax | [1] | $ 6,363 | 5,394
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Other Comprehensive Loss Available for Sale Securities [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Loss on sale of AFS securities | [1] | (2,166) |
Tax effect | [1] | 487 |
Net of tax | [1] | (1,679) |
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 gain on securities transferred to HTM | [1] | 134 | 378
Tax effect | [1] | (30) | (85)
Net of tax | [1] | 104 | 293
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 | [1],[2] | (3,970) | (4,656)
Tax effect | [1] | 884 | 1,053
Net of tax | [1] | (3,086) | (3,603)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Gains and Losses on Cash Flow Hedges [Member] |  |  |
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] |  |  |
Reclassification of unrealized gain on cash flow hedges | [1] | 18,771 | 12,602
Tax effect | [1] | (4,188) | (2,851)
Net of tax | [1] | 14,583 | 9,751
Amortization of gain (loss) on terminated cash flow hedges | [1] | 1,170 | (1,353)
Tax effect | [1] | (261) | 306
Net of tax | [1] | 909 | $ (1,047)
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 loss on equity method investment | [1] | (4,468) |
Net of tax | [1] | $ (4,468) |
[1] | Amounts in parentheses indicate reduction in net income.
[2] | These AOCI components are included in the computation of net periodic pension and post-retirement cost that is reported with other noninterest expense (see Note 11 – Retirement Plans for additional details).

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