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Stockholders' Equity (Tables) | 6 Months Ended
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Jun. 30, 2022
Stockholders' Equity Note [Abstract] |
Components of Accumulated Other Comprehensive Income (Loss) | A roll forward of the components of Accumulated Other Comprehensive Income (Loss) is presented in the table that follows:
﻿ |  | Available for Sale Securities |  |  | HTM Securities Transferred from AFS |  |  | Employee Benefit Plans |  |  | Cash Flow Hedges |  |  | Equity Method Investment |  |  | Total |
(in thousands) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance, December 31, 2020 |  | $ | 171,224 |  |  | $ | 276 |  |  | $ | (125,573 | ) |  | $ | 39,511 |  |  | $ | (5,369 | ) |  | $ | 80,069 |
Net change in unrealized gain or loss |  |  | (96,045 | ) |  |  | — |  |  |  | — |  |  |  | 252 |  |  |  | 438 |  |  |  | (95,355 | )
Reclassification of net income or loss realized and included in earnings |  |  | 2,166 |  |  |  | — |  |  |  | 3,445 |  |  |  | (12,991 | ) |  |  | 4,468 |  |  |  | (2,912 | )
Valuation adjustments to pension plan attributable to VERIP and curtailment |  |  | — |  |  |  | — |  |  |  | 59,606 |  |  |  | — |  |  |  | — |  |  |  | 59,606 |
Other valuation adjustments to employee benefit plans |  |  | — |  |  |  | — |  |  |  | (10,651 | ) |  |  | — |  |  |  | — |  |  |  | (10,651 | )
Amortization of unrealized net gain on securities transferred to HTM |  |  | — |  |  |  | (101 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (101 | )
Income tax expense (benefit) |  |  | (21,095 | ) |  |  | (23 | ) |  |  | 11,774 |  |  |  | (2,862 | ) |  |  | — |  |  |  | (12,206 | )
Balance, June 30, 2021 |  | $ | 98,440 |  |  | $ | 198 |  |  | $ | (84,947 | ) |  | $ | 29,634 |  |  | $ | (463 | ) |  | $ | 42,862 |
Balance, December 31, 2021 |  | $ | 11,037 |  |  | $ | 153 |  |  | $ | (80,946 | ) |  | $ | 16,284 |  |  | $ | (463 | ) |  | $ | (53,935 | )
Net change in unrealized gain or loss |  |  | (547,636 | ) |  |  | — |  |  |  | — |  |  |  | (47,287 | ) |  |  | 468 |  |  |  | (594,455 | )
Reclassification of net income or loss realized and included in earnings |  |  | 1,707 |  |  |  | — |  |  |  | 1,652 |  |  |  | (12,767 | ) |  |  | — |  |  |  | (9,408 | )
Valuation adjustments to employee benefit plans |  |  | — |  |  |  | — |  |  |  | (7,987 | ) |  |  | — |  |  |  | — |  |  |  | (7,987 | )
Transfer of net unrealized loss from AFS to HTM securities portfolio |  |  | 15,405 |  |  |  | (15,405 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Amortization of unrealized net gain or loss on securities transferred to HTM |  |  | — |  |  |  | 527 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 527 |
Income tax benefit |  |  | (119,739 | ) |  |  | (3,358 | ) |  |  | (1,430 | ) |  |  | (13,554 | ) |  |  | — |  |  |  | (138,081 | )
Balance, June 30, 2022 |  | $ | (399,748 | ) |  | $ | (11,367 | ) |  | $ | (85,851 | ) |  | $ | (30,216 | ) |  | $ | 5 |  |  | $ | (527,177 | )
Line Items in Consolidated Income Statements Affected by Amounts Reclassified from Accumulated Other Comprehensive Income | The following table shows the line items in the consolidated statements of income affected by amounts reclassified from AOCI.
﻿ |  | Six Months Ended |  |  |
Amount reclassified from AOCI (a) |  | June 30, |  |  | Affected line item on
(in thousands) |  | 2022 |  |  | 2021 |  |  | the statement of income
Loss on sale of AFS securities |  | $ | (1,707 | ) |  | $ | (2,166 | ) |  | Noninterest income
Tax effect |  |  | 385 |  |  |  | 487 |  |  | Income taxes
Net of tax |  |  | (1,322 | ) |  |  | (1,679 | ) |  | Net income
Amortization of unrealized net gain (loss) on securities transferred to HTM |  |  | (527 | ) |  |  | 101 |  |  | Interest income
Tax effect |  |  | 119 |  |  |  | (23 | ) |  | Income taxes
Net of tax |  |  | (408 | ) |  |  | 78 |  |  | Net income
Amortization of defined benefit pension and post-retirement items |  |  | (1,652 | ) |  |  | (3,445 | ) |  | Other noninterest expense (b)
Tax effect |  |  | 373 |  |  |  | 774 |  |  | Income taxes
Net of tax |  |  | (1,279 | ) |  |  | (2,671 | ) |  | Net income
Reclassification of unrealized gain on cash flow hedges |  |  | 6,977 |  |  |  | 12,991 |  |  | Interest income
Tax effect |  |  | (1,575 | ) |  |  | (2,919 | ) |  | Income taxes
Net of tax |  |  | 5,402 |  |  |  | 10,072 |  |  | Net income
Amortization of gain on terminated cash flow hedges |  |  | 5,790 |  |  |  | — |  |  | Interest income
Tax effect |  |  | (1,307 | ) |  |  | — |  |  | Income taxes
Net of tax |  |  | 4,483 |  |  |  | — |  |  | Net income
Reclassification of unrealized loss on equity method investment |  |  | — |  |  |  | (4,468 | ) |  | Noninterest income
Tax effect |  |  | — |  |  |  | — |  |  | Income taxes
Net of tax |  |  | — |  |  |  | (4,468 | ) |  | Net income
Total reclassifications, net of tax |  | $ | 6,876 |  |  | $ | 1,332 |  |  | Net income
(a) Amounts in parentheses indicate reduction in net income (b) 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 10 – Retirement Plans for additional details)

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