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Employee Benefit Plans (Tables) | 9 Months Ended
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Sep. 30, 2025
Retirement Benefits [Abstract] |
Schedule of Defined Benefit Plans Disclosures | The net periodic pension cost for the Pension Plan consisted of the following components:
| Three months ended September 30 |  | Nine months ended September 30
| 2025 |  | 2024 |  | 2025 |  | 2024
| (dollars in thousands)
Interest cost | $ | 768 |  |  | $ | 790 |  |  | $ | 2,303 |  |  | $ | 2,369 |
Expected return on plan assets | (978) |  |  | (976) |  |  | (2,934) |  |  | (2,927) |
Net periodic pension cost | $ | (210) |  |  | $ | (186) |  |  | $ | (631) |  |  | $ | (558) |
The components of the net benefit for the Postretirement Plan consisted of the following components:
| Three months ended September 30 |  | Nine months ended September 30
| 2025 |  | 2024 |  | 2025 |  | 2024
| (dollars in thousands)
Interest cost | $ | 9 |  |  | $ | 10 |  |  | $ | 26 |  |  | $ | 29 |
Net accretion and deferral | (136) |  |  | (135) |  |  | (407) |  |  | (406) |
Net periodic postretirement benefit | $ | (127) |  |  | $ | (125) |  |  | $ | (381) |  |  | $ | (377) |

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- Definition Tabular disclosure of one or more of the entity's defined benefit pension plans or one or more other defined benefit postretirement plans, separately for pension plans and other postretirement benefit plans including the entity's schedule of fair value of plan assets for defined benefit or other postretirement plans. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-5 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 20 -Topic 715 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480482/715-20-55-17 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-3 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-4 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-2 + Details
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