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Pension Plans - Qualified Plan - Allocation of Defined Benefit Pension Plans Assets (Details) - Pension Plan [Member] - Qualified Plan [Member] - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
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Defined Benefit Plan, Information about Plan Assets [Abstract] |  |  |
Plan assets | $ 52,269 | $ 72,486 | $ 71,221
Defined Benefit Plan, Cash [Member] |  |  |
Defined Benefit Plan, Information about Plan Assets [Abstract] |  |  |
Plan assets | 1,015 | 935 |
Mutual Funds [Member] |  |  |
Defined Benefit Plan, Information about Plan Assets [Abstract] |  |  |
Plan assets | $ 51,254 | $ 71,551 |

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