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Employee Benefit Plans (Tables) | 6 Months Ended
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Jun. 30, 2023
Retirement Benefits [Abstract] |
Components of Net Periodic Benefit Expense | The components of the Company’s net periodic benefit expense for its pension and post-retirement obligations were as follows (in thousands):
|  | Three months ended June 30, |  |  | Six months ended June 30, |
|  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
Service cost |  | $ | 447 |  |  | $ | 871 |  |  | $ | 895 |  |  | $ | 1,742 |
Interest cost on projected benefit obligation |  |  | 855 |  |  |  | 647 |  |  |  | 1,710 |  |  |  | 1,294 |
Expected return on plan assets |  |  | (878 | ) |  |  | (1,141 | ) |  |  | (1,756 | ) |  |  | (2,282 | )
Amortization of unrecognized prior service credit |  |  | (123 | ) |  |  | — |  |  |  | (245 | ) |  |  | — |
Amortization of unrecognized net actuarial loss |  |  | 316 |  |  |  | 64 |  |  |  | 632 |  |  |  | 128 |
Net periodic benefit expense |  | $ | 617 |  |  | $ | 441 |  |  | $ | 1,236 |  |  | $ | 882 |

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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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