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Accumulated Other Comprehensive Income (Loss) (Tables) | 9 Months Ended
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Sep. 30, 2023
Notes to Financial Statements |
Schedule of changes in accumulated other comprehensive income (loss) by component | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | For the three months ended September 30, 2023
​ |  | Unrealized Gains (Losses) | ​ | Unrealized Gains (Losses) | ​ | ​ | ​ | ​ | Fair Value |  | ​ | ​
​ |  | on Available for Sale |  | on Cash flow |  | Defined Benefit |  | Option Elected | ​ | ​
​ |  | Securities |  | Hedges |  | Pension Items |  | on Liabilities |  | Total
​ |  | (In thousands)
Beginning balance, net of tax | ​ | $ | (63,523) | ​ | $ | 26,559 | ​ | $ | (413) | ​ | $ | 1,358 | ​ | $ | (36,019)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Other comprehensive income before reclassifications, net of tax | ​ |  | (6,928) | ​ |  | 5,162 | ​ |  | — | ​ |  | 261 | ​ |  | (1,505)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Amounts reclassified from accumulated other comprehensive income, net of tax | ​ |  | 1,530 | ​ |  | (4,868) | ​ |  | (69) | ​ |  | — | ​ |  | (3,407)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net current period other comprehensive income, net of tax | ​ |  | (5,398) | ​ |  | 294 | ​ |  | (69) | ​ |  | 261 | ​ |  | (4,912)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Ending balance, net of tax | ​ | $ | (68,921) | ​ | $ | 26,853 | ​ | $ | (482) | ​ | $ | 1,619 | ​ | $ | (40,931)
​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | For the three months ended September 30, 2022
​ |  | Unrealized Gains (Losses) | ​ | Unrealized Gains (Losses) | ​ | ​ | ​ |  | Fair Value | ​ | ​ | ​
​ |  | on Available for Sale |  | on Cash flow |  | Defined Benefit |  | Option Elected | ​ | ​ | ​
​ |  | Securities |  | Hedges |  | Pension Items |  | on Liabilities |  | Total
​ |  | (In thousands)
Beginning balance, net of tax | ​ | $ | (50,133) | ​ | $ | 18,260 | ​ | $ | (1,313) | ​ | $ | 1,922 | ​ | $ | (31,264)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Other comprehensive income before reclassifications, net of tax | ​ |  | (22,797) | ​ |  | 7,480 | ​ |  | — | ​ |  | (414) | ​ |  | (15,731)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Amounts reclassified from accumulated other comprehensive income, net of tax | ​ |  | — | ​ |  | 710 | ​ |  | (9) | ​ |  | — | ​ |  | 701
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net current period other comprehensive income (loss), net of tax | ​ |  | (22,797) | ​ |  | 8,190 | ​ |  | (9) | ​ |  | (414) | ​ |  | (15,030)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Ending balance, net of tax | ​ | $ | (72,930) | ​ | $ | 26,450 | ​ | $ | (1,322) | ​ | $ | 1,508 | ​ | $ | (46,294)
​ ​ ​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | For the nine months ended September 30, 2023
​ |  | Unrealized Gains |  | Unrealized Gains | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | (Losses) on |  | (Losses) on | ​ | ​ | ​ |  | Fair Value | ​ | ​ | ​
​ |  | Available for Sale |  | Cash flow |  | Defined Benefit |  | Option Elected | ​ | ​ | ​
​ |  | Securities |  | Hedges |  | Pension Items |  | on Liabilities |  | Total
​ |  | (In thousands)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Beginning balance, net of tax | ​ | $ | (63,106) | ​ | $ | 25,380 | ​ | $ | (275) | ​ | $ | 1,513 | ​ | $ | (36,488)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Other comprehensive income before reclassifications, net of tax | ​ |  | (11,144) | ​ |  | 14,050 | ​ |  | — | ​ |  | 106 | ​ |  | 3,012
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Amounts reclassified from accumulated other comprehensive income, net of tax | ​ |  | 5,329 | ​ |  | (12,577) | ​ |  | (207) | ​ |  | — | ​ |  | (7,455)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net current period other comprehensive income (loss), net of tax | ​ |  | (5,815) | ​ |  | 1,473 | ​ |  | (207) | ​ |  | 106 | ​ |  | (4,443)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Ending balance, net of tax | ​ | $ | (68,921) | ​ | $ | 26,853 | ​ | $ | (482) | ​ | $ | 1,619 | ​ | $ | (40,931)
​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | For the nine months ended September 30, 2022
​ |  | Unrealized Gains |  | Unrealized Gains | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | (Losses) on |  | (Losses) on | ​ | ​ | ​ |  | Fair Value | ​ | ​ | ​
​ |  | Available for Sale |  | Cash flow |  | Defined Benefit |  | Option Elected | ​ | ​ | ​
​ |  | Securities |  | Hedges |  | Pension Items |  | on Liabilities |  | Total
​ |  | (In thousands)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Beginning balance, net of tax | ​ | $ | (6,272) | ​ | $ | (1,406) | ​ | $ | (1,282) | ​ | $ | 2,276 | ​ | $ | (6,684)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Other comprehensive income before reclassifications, net of tax | ​ |  | (66,658) | ​ |  | 23,657 | ​ |  | — | ​ |  | (768) | ​ |  | (43,769)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Amounts reclassified from accumulated other comprehensive income, net of tax | ​ |  | — | ​ |  | 4,199 | ​ |  | (40) | ​ |  | — | ​ |  | 4,159
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net current period other comprehensive income (loss), net of tax | ​ |  | (66,658) | ​ |  | 27,856 | ​ |  | (40) | ​ |  | (768) | ​ |  | (39,610)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Ending balance, net of tax | ​ | $ | (72,930) | ​ | $ | 26,450 | ​ | $ | (1,322) | ​ | $ | 1,508 | ​ | $ | (46,294)
Schedule of amounts reclassified from accumulated other comprehensive income (loss) by component | ​
​ | ​ | ​ | ​ | ​ | ​
For the three months ended September 30, 2023
​ |  | Amounts Reclassified from | ​ | ​
Details about Accumulated Other |  | Accumulated Other | ​ | Affected Line Item in the Statement
Comprehensive Loss Components |  | Comprehensive Loss |  | Where Net Income is Presented
(In thousands)
Fair Value hedges: | ​ | ​ | ​ | ​ | ​
Interest rate swaps benefit (expense) | ​ | $ | (2,217) | ​ | Interest and dividend income
​ | ​ |  | 687 | ​ | Provision for income taxes
​ | ​ | $ | (1,530) | ​ | ​
Cash flow hedges: | ​ |  |  | ​ |
Interest rate swaps benefit (expense) | ​ | $ | 7,053 | ​ | Interest expense
​ | ​ |  | (2,185) | ​ | Provision for income taxes
​ | ​ | $ | 4,868 | ​ | ​
Amortization of defined benefit pension items: | ​ |  |  | ​ | ​
Actuarial losses benefit (expense) | ​ | $ | 100 | (1) | Other operating expenses
​ | ​ |  | (31) | ​ | Provision for income taxes
​ | ​ | $ | 69 | ​ | ​
​ ​
​ | ​ | ​ | ​ | ​ | ​
For the three months ended September 30, 2022
​ |  | Amounts Reclassified from | ​ | ​
Details about Accumulated Other |  | Accumulated Other |  | Affected Line Item in the Statement
Comprehensive Loss Components |  | Comprehensive Loss | ​ | Where Net Income is Presented
(In thousands)
Cash flow hedges: |  | ​ |  | ​ | ​
Interest rate swaps benefit (expense) | ​ | $ | (1,030) | ​ | Interest expense
​ | ​ |  | 320 | ​ | Provision for income taxes
​ | ​ | $ | (710) | ​ | ​
​ | ​ | ​ | ​ | ​ | ​
Amortization of defined benefit pension items: | ​ |  |  | ​ | ​
Actuarial losses benefit (expense) | ​ | $ | 6 | (1) | Other operating expenses
Prior service credits benefit (expense) | ​ |  | 7 | (1) | Other operating expenses
​ | ​ |  | 13 | ​ | Total before tax
​ | ​ |  | (4) | ​ | Provision for income taxes
​ | ​ | $ | 9 | ​ | ​
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
​ | ​ | ​ | ​ | ​ | ​
For the nine months ended September 30, 2023
​ | ​ | Amounts Reclassified from | ​ | ​
Details about Accumulated Other | ​ | Accumulated Other | ​ | Affected Line Item in the Statement
Comprehensive Income Components |  | Comprehensive Income |  | Where Net Income is Presented
(In thousands)
Fair Value hedges: | ​ | ​ | ​ | ​ | ​
Interest rate swaps benefit (expense) | ​ | $ | (7,721) | ​ | Interest and dividend income
​ | ​ |  | 2,392 | ​ | Provision for income taxes
​ | ​ | $ | (5,329) | ​ | ​
Cash flow hedges: | ​ |  |  | ​ |
Interest rate swaps benefit (expense) | ​ | $ | 18,222 |  | Interest expense
​ | ​ |  | (5,645) |  | Provision for income taxes
​ | ​ | $ | 12,577 |  | ​
​ | ​ | ​ | ​ | ​ | ​
Amortization of defined benefit pension items: | ​ |  |  | ​ |
Actuarial losses benefit (expense) | ​ | $ | 300 | (1) | Other operating expense
​ | ​ |  | (93) |  | Provision for income taxes
​ | ​ | $ | 207 |  | ​
​ ​
​ | ​ | ​ | ​ | ​ | ​
For the nine months ended September 30, 2022
​ | ​ | Amounts Reclassified from | ​ | ​
Details about Accumulated Other | ​ | Accumulated Other | ​ | Affected Line Item in the Statement
Comprehensive Income Components |  | Comprehensive Income |  | Where Net Income is Presented
(In thousands)
Cash flow hedges: | ​ |  |  |  |
Interest rate swaps benefit (expense) | ​ | $ | (6,117) |  | Interest expense
​ | ​ |  | 1,918 |  | Provision for income taxes
​ | ​ | $ | (4,199) |  | ​
​ | ​ | ​ | ​ | ​ | ​
Amortization of defined benefit pension items: | ​ |  |  | ​ |
Actuarial losses benefit (expense) | ​ | $ | 18 | (1) | Other operating expense
Prior service credits benefit (expense) | ​ |  | 21 | (1) | Other operating expense
​ | ​ |  | 39 | ​ | Total before tax
​ | ​ |  | 1 | ​ | Provision for income taxes
​ | ​ | $ | 40 |  | ​
(1) These accumulated other comprehensive loss components are included in the computation of net periodic pension cost. See Note 9 (“Pension and Other Postretirement Benefit Plans”) for additional information

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