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Retirement Agreements And Other Postretirement Benefits (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Retirement Benefits [Abstract] |  |  |  |  |
Liability for employee benefits and other payments | $ 15,100 |  | $ 15,100 |  | $ 15,000
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Service cost - benefits earned during the year | 0 | $ 0 | 0 | $ 0 |
Interest cost on the projected benefit obligation | 10 | 5 | 30 | 19 |
Amortization of unrecognized (gain) loss | (7) | 4 | (21) | 0 |
Net periodic benefits costs | $ 3 | $ 9 | $ 9 | $ 19 |

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