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Employee Benefit Plans Benefits (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Defined Benefit Plan Disclosure [Line Items] |  |  |
Retirement plan and pension plan, total | $ 10,555 | $ 10,513 | $ 11,460
Other Postretirement Benefit Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Pension Plan | (504) | (505) | (495)
Other Postretirement Benefit Plan | 401k Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
401(k) Retirement Plan | $ 10,338 | 9,853 | 8,976
Maximum percentage of eligible employee’s covered compensation | 5.00% |  |
Percentage of plan vested | 100.00% |  |
Pension Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Pension Plan | $ 217 | $ 660 | $ 2,484

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