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Pension and Other Postretirement Benefits (Tables) | 9 Months Ended
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Sep. 30, 2023
Retirement Benefits, Description [Abstract] |
Schedule of Net Benefit Costs | The components of net periodic benefit cost (income) are as follows:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| Pension Benefits |  | Other Postretirement Benefits |  | Pension Benefits |  | Other Postretirement Benefits
| 2023 |  | 2022 |  | 2023 |  | 2022 |  | 2023 |  | 2022 |  | 2023 |  | 2022
Service cost | $ | 109 |  | $ | 166 |  | $ | — |  | $ | 1 |  |  | $ | 320 |  | $ | 520 |  | $ | — |  | $ | 1
Interest cost | 2,487 |  | 1,272 |  | 14 |  | 8 |  |  | 7,452 |  | 3,949 |  | 51 |  | 19
Expected return on plan assets | (2,033) |  |  | (1,942) |  |  | — |  | — |  | (6,056) |  |  | (6,038) |  |  | — |  | —
Actuarial loss (gain) amortization | 103 |  | 238 |  | (36) |  |  | (23) |  |  | 308 |  | 743 |  | (95) |  |  | (70) |
Prior service cost (income) amortization | 18 |  | 3 |  | (4) |  |  | (8) |  | 26 |  | 8 |  | (12) |  |  | (17)
Net periodic benefit cost (income) | $ | 684 |  |  | $ | (263) |  | $ | (26) |  |  | $ | (22) |  |  | $ | 2,050 |  |  | $ | (818) |  | $ | (56) |  |  | $ | (67) |

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 715 -SubTopic 20 -Subparagraph (h) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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