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Accumulated Other Comprehensive Income | 6 Months Ended
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Jun. 30, 2025
Accumulated Other Comprehensive Income |
Accumulated Other Comprehensive Income | 10. Accumulated Other Comprehensive Income (Loss) The following tables summarize the changes, net of tax, within each classification of accumulated other comprehensive income/(loss) for the three and six months ended June 30, 2025 and 2024. ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Unrealized | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | gains and | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | (Losses) on available- | ​ | 2025
​ | ​ | for-sale | ​ | Retirement | ​ | ​ | ​
(Dollar amounts in thousands) |  | Securities |  | plans |  | Total
Beginning balance, April 1, | ​ | $ | (116,707) | ​ | $ | (4,475) | ​ | $ | (121,182)
Change in other comprehensive income (loss) before reclassification | ​ |  | 2,944 | ​ |  | — | ​ |  | 2,944
Amounts reclassified from accumulated other comprehensive income | ​ |  | 2 | ​ |  | 2 | ​ |  | 4
Net current period other comprehensive income (loss) | ​ |  | 2,946 | ​ |  | 2 | ​ |  | 2,948
Ending balance, June 30, | ​ | $ | (113,761) | ​ | $ | (4,473) | ​ | $ | (118,234)
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Unrealized | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | gains and | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | (Losses) on available- | ​ | 2025
​ | ​ | for-sale | ​ | Retirement | ​ | ​ | ​
(Dollar amounts in thousands) |  | Securities |  | plans |  | Total
Beginning balance, January 1, | ​ | $ | (127,807) | ​ | $ | (4,478) | ​ | $ | (132,285)
Change in other comprehensive income (loss) before reclassification | ​ |  | 14,044 | ​ |  | — | ​ |  | 14,044
Amounts reclassified from accumulated other comprehensive income | ​ |  | 2 | ​ |  | 5 | ​ |  | 7
Net current period other comprehensive income (loss) | ​ |  | 14,046 | ​ |  | 5 | ​ |  | 14,051
Ending balance, June 30, | ​ | $ | (113,761) | ​ | $ | (4,473) | ​ | $ | (118,234)
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Unrealized | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | gains and | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | (Losses) on available- | ​ | 2024
​ | ​ | for-sale | ​ | Retirement | ​ |  | ​
(Dollar amounts in thousands) |  | Securities |  | plans |  | Total
Beginning balance, April 1, | ​ | $ | (129,096) | ​ | $ | (9,014) | ​ | $ | (138,110)
Change in other comprehensive income (loss) before reclassification | ​ |  | 3,535 | ​ |  | — | ​ |  | 3,535
Amounts reclassified from accumulated other comprehensive income | ​ |  | — | ​ |  | 74 | ​ |  | 74
Net current period other comprehensive income (loss) | ​ |  | 3,535 | ​ |  | 74 | ​ |  | 3,609
Ending balance, June 30, | ​ | $ | (125,561) | ​ | $ | (8,940) | ​ | $ | (134,501)
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Unrealized | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | gains and | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | (Losses) on available- | ​ | 2024
​ | ​ | for-sale | ​ | Retirement | ​ |  | ​
(Dollar amounts in thousands) |  | Securities |  | plans |  | Total
Beginning balance, January 1, | ​ | $ | (118,000) | ​ | $ | (9,087) | ​ | $ | (127,087)
Change in other comprehensive income (loss) before reclassification | ​ |  | (7,561) | ​ |  | — | ​ |  | (7,561)
Amounts reclassified from accumulated other comprehensive income | ​ |  | — | ​ |  | 147 | ​ |  | 147
Net current period other comprehensive income (loss) | ​ |  | (7,561) | ​ |  | 147 | ​ |  | (7,414)
Ending balance, June 30, | ​ | $ | (125,561) | ​ | $ | (8,940) | ​ | $ | (134,501)
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Balance at | ​ | Current Period | ​ | Balance at
(Dollar amounts in thousands) |  | 4/1/2025 |  | Change |  | 6/30/2025
Unrealized gains (losses) on securities available-for-sale without other than temporary impairment | ​ | $ | (118,883) | ​ | $ | 2,941 | ​ | $ | (115,942)
Unrealized gains (losses) on securities available-for-sale with other than temporary impairment | ​ |  | 2,176 | ​ |  | 5 | ​ |  | 2,181
Total unrealized loss on securities available-for-sale | ​ | $ | (116,707) | ​ | $ | 2,946 | ​ | $ | (113,761)
Unrealized gain (loss) on retirement plans | ​ |  | (4,475) | ​ |  | 2 | ​ |  | (4,473)
TOTAL | ​ | $ | (121,182) | ​ | $ | 2,948 | ​ | $ | (118,234)
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Balance at | ​ | Current Period | ​ | Balance at
(Dollar amounts in thousands) |  | 1/1/2025 |  | Change |  | 6/30/2025
Unrealized gains (losses) on securities available-for-sale without other than temporary impairment | ​ | $ | (129,979) | ​ | $ | 14,037 | ​ | $ | (115,942)
Unrealized gains (losses) on securities available-for-sale with other than temporary impairment | ​ |  | 2,172 | ​ |  | 9 | ​ |  | 2,181
Total unrealized gain (loss) on securities available-for-sale | ​ | $ | (127,807) | ​ | $ | 14,046 | ​ | $ | (113,761)
Unrealized gain (loss) on retirement plans | ​ |  | (4,478) | ​ |  | 5 | ​ |  | (4,473)
TOTAL | ​ | $ | (132,285) | ​ | $ | 14,051 | ​ | $ | (118,234)
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Balance at | ​ | Current Period | ​ | Balance at
(Dollar amounts in thousands) |  | 4/1/2024 |  | Change |  | 6/30/2024
Unrealized gains (losses) on securities available-for-sale without other than temporary impairment | ​ | $ | (131,262) | ​ | $ | 3,532 | ​ | $ | (127,730)
Unrealized gains (losses) on securities available-for-sale with other than temporary impairment | ​ |  | 2,166 | ​ |  | 3 | ​ |  | 2,169
Total unrealized gain (loss) on securities available-for-sale | ​ | $ | (129,096) | ​ | $ | 3,535 | ​ | $ | (125,561)
Unrealized loss on retirement plans | ​ |  | (9,014) | ​ |  | 74 | ​ |  | (8,940)
TOTAL | ​ | $ | (138,110) | ​ | $ | 3,609 | ​ | $ | (134,501)
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Balance at | ​ | Current Period | ​ | Balance at
(Dollar amounts in thousands) |  | 1/1/2024 |  | Change |  | 6/30/2024
Unrealized gains (losses) on securities available-for-sale without other than temporary impairment | ​ | $ | (120,252) | ​ | $ | (7,478) | ​ | $ | (127,730)
Unrealized gains (losses) on securities available-for-sale with other than temporary impairment | ​ |  | 2,252 | ​ |  | (83) | ​ |  | 2,169
Total unrealized income (loss) on securities available-for-sale | ​ | $ | (118,000) | ​ | $ | (7,561) | ​ | $ | (125,561)
Unrealized gain (loss) on retirement plans | ​ |  | (9,087) | ​ |  | 147 | ​ |  | (8,940)
TOTAL | ​ | $ | (127,087) | ​ | $ | (7,414) | ​ | $ | (134,501)
​ ​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Three Months Ended June 30, 2025 |  | ​ |
Details about accumulated | ​ | Amount reclassified from | ​ | ​ | Affected line item in
other comprehensive | ​ | accumulated other | ​ | ​ | the statement where
income components |  | comprehensive income |  | ​ | net income is presented
​ | ​ | (in thousands) | ​ | ​ | ​
Unrealized gains and losses | ​ | $ | (3) |  | ​ | Net securities gains (losses)
on available-for-sale | ​ |  | 1 |  | ​ | Income tax expense
securities | ​ | $ | (2) |  | ​ | Net of tax
​ | ​ | ​ | ​ | ​ | ​ | ​
Amortization of | ​ | $ | (3) | (a) | ​ | Salary and benefits
retirement plan items | ​ |  | 1 |  | ​ | Income tax expense
​ | ​ | $ | (2) |  | ​ | Net of tax
Total reclassifications for the period | ​ | $ | (4) |  | ​ | Net of tax
| (a) | Included in the computation of net periodic benefit cost. (see Footnote 8 for additional details).
​ ​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Six Months Ended June 30, 2025 |  | ​ |
Details about accumulated | ​ | Amount reclassified from | ​ | ​ | Affected line item in
other comprehensive | ​ | accumulated other | ​ | ​ | the statement where
income components |  | comprehensive income |  | ​ | net income is presented
​ | ​ | (in thousands) | ​ | ​ | ​
Unrealized gains and losses | ​ | $ | (3) |  | ​ | Net securities gains (losses)
on available-for-sale | ​ |  | 1 |  | ​ | Income tax expense
securities | ​ | $ | (2) |  | ​ | Net of tax
​ | ​ | ​ | ​ | ​ | ​ | ​
Amortization of | ​ | $ | (7) | (a) | ​ | Salary and benefits
retirement plan items | ​ |  | 2 |  | ​ | Income tax expense
​ | ​ | $ | (5) |  | ​ | Net of tax
Total reclassifications for the period | ​ | $ | (7) |  | ​ | Net of tax
| (a) | Included in the computation of net periodic benefit cost. (see Footnote 8 for additional details).
​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended June 30, 2024 | ​ | ​ | ​
Details about accumulated | ​ | Amount reclassified from | ​ | ​ | Affected line item in
other comprehensive | ​ | accumulated other | ​ | ​ | the statement where
income components |  | comprehensive income |  | ​ | net income is presented
​ |  | (in thousands) |  | ​ | ​
Unrealized gains and losses | ​ | $ | — |  | ​ | Net securities gains (losses)
on available-for-sale | ​ |  | — |  | ​ | Income tax expense
securities | ​ | $ | — |  | ​ | Net of tax
​ | ​ | ​ | ​ | ​ | ​ | ​
Amortization of | ​ | $ | (195) | (a) | ​ | Salary and benefits
retirement plan items | ​ |  | 48 |  | ​ | Income tax expense
​ | ​ | $ | (147) |  | ​ | Net of tax
Total reclassifications for the period | ​ | $ | (147) |  | ​ | Net of tax
| (a) | Included in the computation of net periodic benefit cost. (see Footnote 8 for additional details).
​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Six Months Ended June 30, 2024 | ​ | ​ | ​
Details about accumulated | ​ | Amount reclassified from | ​ | ​ | Affected line item in
other comprehensive | ​ | accumulated other | ​ | ​ | the statement where
income components |  | comprehensive income |  | ​ | net income is presented
​ |  | (in thousands) |  | ​ | ​
Unrealized gains and losses | ​ | $ | — |  | ​ | Net securities gains (losses)
on available-for-sale | ​ |  | — |  | ​ | Income tax expense
securities | ​ | $ | — |  | ​ | Net of tax
​ | ​ | ​ | ​ | ​ | ​ | ​
Amortization of | ​ | $ | (98) | (a) | ​ | Salary and benefits
retirement plan items | ​ |  | 24 |  | ​ | Income tax expense
​ | ​ | $ | (74) |  | ​ | Net of tax
Total reclassifications for the period | ​ | $ | (74) |  | ​ | Net of tax
| (a) | Included in the computation of net periodic benefit cost. (see Footnote 8 for additional details).
(a)

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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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