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Pension and Post-retirement Benefit Obligations - Net Periodic Benefit Costs (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Postemployment Benefits [Abstract] |  |  |  |
Service costs | $ 10,000 | $ 53,000 | $ 20,000 | $ 64,000
Interest costs | 74,000 | 25,000 | 138,000 | 93,000
Amortization of net gain | (10,000) | (10,000) | (21,000) | (21,000)
Net periodic benefit cost | $ 74,000 | $ 68,000 | $ 137,000 | $ 136,000
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement Of Income Or Comprehensive Income Extensible List Not Disclosed Flag | true | true | true | true
Required minimum contributions for the pension plans | $ 0 |  | $ 0 |

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