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v3.25.1

Retirement Benefit Plans (Tables) | 3 Months Ended
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Mar. 31, 2025
Retirement Benefits [Abstract] |
Schedule of Defined Benefit Plans Disclosures | The following tables provide the components of net periodic benefit costs for the three-month periods ended March 31, 2025 and 2024:
|  | Employees' |  | Select Executive |  | Postretirement
|  | Pension |  | Retirement |  | Benefit
|  | Plan |  | Plan |  | Plans
Net Periodic Benefit Cost |  |  |  |  |  |
For the Three Months Ended March 31, 2025: |  |  |  |  |  |
Service Cost 1 |  | $ | 400 |  |  | $ | 26 |  |  | $ | 11 |
Interest Cost (Benefit) 2 |  | 584 |  |  | 72 |  |  | 79 |
Expected Return on Plan Assets 2 |  | (1,009) |  |  | — |  |  | — |
Amortization of Prior Service Cost 2 |  | 47 |  |  | 10 |  |  | 26 |
Amortization of Net (Gain) 2 |  | — |  |  | — |  |  | (96) |
Net Periodic Cost |  | $ | 22 |  |  | $ | 108 |  |  | $ | 20 |
Plan Contributions During the Period |  | $ | — |  |  | $ | 120 |  |  | $ | 57 |
For the Three Months Ended March 31, 2024: |  |  |  |  |  |
Service Cost 1 |  | $ | 466 |  |  | $ | 17 |  |  | $ | 15 |
Interest Cost 2 |  | 525 |  |  | 158 |  |  | 81 |
Expected Return on Plan Assets 2 |  | (932) |  |  | — |  |  | — |
Amortization of Prior Service Cost 2 |  | 33 |  |  | 10 |  |  | 26 |
Amortization of Net Loss (Gain) 2 |  | — |  |  | 21 |  |  | (87) |
Net Periodic Cost |  | $ | 92 |  |  | $ | 206 |  |  | $ | 35 |
Plan Contributions During the Period |  | $ | — |  |  | $ | 127 |  |  | $ | 27 |
Estimated Future Contributions in the Current Fiscal Year |  | $ | — |  |  | $ | 360 |  |  | $ | 172 |
Footnotes: 1. Included in Salaries and Employee Benefits on the Consolidated Statements of Income 2. Included in Other Operating Expense on the Consolidated Statements of Income

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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://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 2: 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 3: 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 4: 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 5: 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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