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Stockholders’ Equity and Accumulated Other Comprehensive Income (Loss) (Tables) | 9 Months Ended
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Sep. 30, 2024
Stockholders' Equity Note [Abstract] |
Schedule of the Change in the Components of the Accumulated Other Comprehensive Loss | The following table summarizes the change in the components of the Company’s accumulated other comprehensive income (loss) for the nine months ended September 30, 2024 and 2023:
| Nine Months Ended September 30, 2024
(dollars in thousands) | Unrealized Gains (Losses) on Securities (1) |  | Unrecognized Net Pension and Postretirement Costs (2) |  | Accumulated Other Comprehensive Income (Loss)
Balance at beginning of period | $ | (21,461) |  |  | $ | 7,699 |  |  | $ | (13,762) |
Other comprehensive income (loss), before reclassifications | 2,501 |  |  | (518) |  |  | 1,983 |
Amounts reclassified from accumulated other comprehensive income (loss) | — |  |  | — |  |  | — |
Current period other comprehensive income (loss), before tax | 2,501 |  |  | (518) |  |  | 1,983 |
Income tax (expense) benefit | (525) |  |  | 109 |  |  | (416) |
Current period other comprehensive income (loss), net of tax | 1,976 |  |  | (409) |  |  | 1,567 |
Balance at end of period | $ | (19,485) |  |  | $ | 7,290 |  |  | $ | (12,195) |
| Nine Months Ended September 30, 2023
(dollars in thousands) | Unrealized Gains (Losses) on Securities (1) |  | Unrecognized Net Pension and Postretirement Costs (2) |  | Accumulated Other Comprehensive Income (Loss)
Balance at beginning of period | $ | (36,657) |  |  | $ | 4,943 |  |  | $ | (31,714) |
Other comprehensive income (loss), before reclassifications | (10,061) |  |  | (480) |  |  | (10,541) |
Amounts reclassified from accumulated other comprehensive loss | — |  |  | — |  |  | — |
Current period other comprehensive income (loss), before tax | (10,061) |  |  | (480) |  |  | (10,541) |
Income tax (expense) benefit | 2,113 |  |  | 101 |  |  | 2,214 |
Current period other comprehensive income (loss), net of tax | (7,948) |  |  | (379) |  |  | (8,327) |
Balance at end of period | $ | (44,605) |  |  | $ | 4,564 |  |  | $ | (40,041) |
(1)The pre-tax amounts reclassified from accumulated other comprehensive income (loss) are included in investment securities gains (losses), net in the consolidated statements of income. (2)The pre-tax amounts reclassified from accumulated other comprehensive income (loss) are included in the computation of net periodic pension cost.

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-14A Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481674/830-30-50-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 20 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481694/830-30-45-20 + Details
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