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COMPREHENSIVE INCOME (LOSS) | 6 Months Ended
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Jun. 30, 2025
COMPREHENSIVE INCOME (LOSS) |
COMPREHENSIVE INCOME (LOSS) | 3. COMPREHENSIVE INCOME Comprehensive income is the total of (1) net income, and (2) all other changes in equity from non-stockholder sources, which are referred to as other comprehensive income (loss). The components of other comprehensive income (loss), and the related tax effects, are as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(In Thousands) |  | Before-Tax |  | Income Tax |  | Net-of-Tax
​ | ​ | Amount | ​ | Effect | ​ | Amount
Three Months Ended June 30, 2025 |  | ​ |  |  | ​ |  |  | ​ |
Available-for-sale debt securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Unrealized holding gains on available-for-sale debt securities | ​ | $ | 2,609 | ​ | $ | (576) | ​ | $ | 2,033
Reclassification adjustment for (gains) realized in income | ​ | ​ | 0 | ​ | ​ | 0 | ​ | ​ | 0
Other comprehensive income from available-for-sale debt securities | ​ | ​ | 2,609 | ​ | ​ | (576) | ​ | ​ | 2,033
Unfunded pension and postretirement obligations: | ​ |  |  | ​ |  |  | ​ |  |
Amortization of prior service cost and net actuarial loss included in net periodic benefit cost | ​ |  | (22) | ​ |  | 5 | ​ |  | (17)
Other comprehensive loss on unfunded retirement obligations | ​ | ​ | (22) | ​ | ​ | 5 | ​ | ​ | (17)
Total other comprehensive income | ​ | $ | 2,587 | ​ | $ | (571) | ​ | $ | 2,016
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(In Thousands) |  | Before-Tax |  | Income Tax |  | Net-of-Tax
​ | ​ | Amount | ​ | Effect | ​ | Amount
Three Months Ended June 30, 2024 |  | ​ |  |  | ​ |  |  | ​ |
Available-for-sale debt securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Unrealized holding losses on available-for-sale debt securities | ​ | $ | (812) | ​ | $ | 173 | ​ | $ | (639)
Reclassification adjustment for (gains) realized in income | ​ | ​ | 0 | ​ | ​ | 0 | ​ | ​ | 0
Other comprehensive loss from available-for-sale debt securities | ​ | ​ | (812) | ​ | ​ | 173 | ​ | ​ | (639)
Unfunded pension and postretirement obligations: | ​ |  |  | ​ |  |  | ​ |  |
Amortization of prior service cost and net actuarial loss included in net periodic benefit cost | ​ |  | (20) | ​ |  | 4 | ​ |  | (16)
Other comprehensive loss on unfunded retirement obligations | ​ | ​ | (20) | ​ | ​ | 4 | ​ | ​ | (16)
Total other comprehensive loss | ​ | $ | (832) | ​ | $ | 177 | ​ | $ | (655)
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(In Thousands) |  | Before-Tax |  | Income Tax |  | Net-of-Tax
​ | ​ | Amount | ​ | Effect | ​ | Amount
Six Months Ended June 30, 2025 |  | ​ |  |  | ​ |  |  | ​ |
Available-for-sale debt securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Unrealized holding gains on available-for-sale debt securities | ​ | $ | 7,778 | ​ | ​ | (1,711) | ​ | $ | 6,067
Reclassification adjustment for (gains) realized in income | ​ | ​ | 0 | ​ | ​ | 0 | ​ | ​ | 0
Other comprehensive income from available-for-sale debt securities | ​ | ​ | 7,778 | ​ | ​ | (1,711) | ​ | ​ | 6,067
Unfunded pension and postretirement obligations: | ​ |  |  | ​ |  |  | ​ |  |
Changes from plan amendments and actuarial gains and losses | ​ | ​ | 69 | ​ | ​ | (15) | ​ | ​ | 54
Amortization of prior service cost and net actuarial gain included in net periodic benefit cost | ​ |  | (44) | ​ | ​ | 10 | ​ |  | (34)
Other comprehensive income on unfunded retirement obligations | ​ | ​ | 25 | ​ | ​ | (5) | ​ | ​ | 20
Total other comprehensive income | ​ | $ | 7,803 | ​ | $ | (1,716) | ​ | $ | 6,087
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(In Thousands) |  | Before-Tax |  | Income Tax |  | Net-of-Tax
​ | ​ | Amount | ​ | Effect | ​ | Amount
Six Months Ended June 30, 2024 |  | ​ |  |  | ​ |  |  | ​ |
Available-for-sale debt securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Unrealized holding losses on available-for-sale debt securities | ​ | $ | (3,586) | ​ | $ | 754 | ​ | $ | (2,832)
Reclassification adjustment for (gains) realized in income | ​ | ​ | 0 | ​ | ​ | 0 | ​ | ​ | 0
Other comprehensive loss from available-for-sale debt securities | ​ | ​ | (3,586) | ​ | ​ | 754 | ​ | ​ | (2,832)
Unfunded pension and postretirement obligations: | ​ |  |  | ​ |  |  | ​ |  |
Changes from plan amendments and actuarial gains and losses | ​ | ​ | 394 | ​ | ​ | (83) | ​ | ​ | 311
Amortization of prior service cost and net actuarial loss and curtailment gain included in net periodic benefit cost | ​ |  | (510) | ​ |  | 107 | ​ |  | (403)
Other comprehensive loss on unfunded retirement obligations | ​ | ​ | (116) | ​ | ​ | 24 | ​ | ​ | (92)
Total other comprehensive loss | ​ | $ | (3,702) | ​ | $ | 778 | ​ | $ | (2,924)
​ The amounts shown in the table immediately above are included in the following line items in the consolidated statements of income: ​
​ | ​ | ​
​ | ​ | Affected Line Item in the
Description |  | Consolidated Statements of Income
Amortization of prior service cost and net actuarial gain and curtailment gain included in net periodic benefit cost (before-tax) |  | Other noninterest expense
Income tax effect | ​ | Income tax provision
​ Changes in the components of accumulated other comprehensive (loss) income are as follows and are presented net of tax: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(In Thousands) |  | Unrealized |  | ​ |  | Accumulated
​ | ​ | (Losses) | ​ | Unfunded | ​ | Other
​ |  | Gains |  | Retirement |  | Comprehensive
​ |  | on Securities |  | Obligations |  | (Loss) Income
Three Months Ended June 30, 2025 |  | ​ |  |  | ​ |  |  | ​ |
Balance, beginning of period | ​ | $ | (33,050) | ​ | $ | 360 | ​ | $ | (32,690)
Other comprehensive income during three months ended June 30, 2025 | ​ |  | 2,033 | ​ | ​ | (17) | ​ |  | 2,016
Balance, end of period | ​ | $ | (31,017) | ​ | $ | 343 | ​ | $ | (30,674)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Three Months Ended June 30, 2024 | ​ |  |  | ​ |  |  | ​ |  |
Balance, beginning of period | ​ | $ | (41,071) | ​ | $ | 365 | ​ | $ | (40,706)
Other comprehensive loss during three months ended June 30, 2024 | ​ |  | (639) | ​ |  | (16) | ​ |  | (655)
Balance, end of period | ​ | $ | (41,710) | ​ | $ | 349 | ​ | $ | (41,361)
​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(In Thousands) |  | Unrealized |  | ​ |  | Accumulated
​ | ​ | (Losses) | ​ | Unfunded | ​ | Other
​ |  | Gains |  | Retirement |  | Comprehensive
​ |  | on Securities |  | Obligations |  | (Loss) Income
Six Months Ended June 30, 2025 |  | ​ |  |  | ​ |  |  | ​ |
Balance, beginning of period | ​ | $ | (37,084) | ​ | $ | 323 | ​ | $ | (36,761)
Other comprehensive income during six months ended June 30, 2025 | ​ |  | 6,067 | ​ | ​ | 20 | ​ |  | 6,087
Balance, end of period | ​ | $ | (31,017) | ​ | $ | 343 | ​ | $ | (30,674)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Six Months Ended June 30, 2024 | ​ |  |  | ​ |  |  | ​ |  |
Balance, beginning of period | ​ | $ | (38,878) | ​ | $ | 441 | ​ | $ | (38,437)
Other comprehensive loss during six months ended June 30, 2024 | ​ |  | (2,832) | ​ |  | (92) | ​ |  | (2,924)
Balance, end of period | ​ | $ | (41,710) | ​ | $ | 349 | ​ | $ | (41,361)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ ​

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/220/tableOfContent + Details
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