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Retirement Agreements and Other Postretirement Benefit Plan Effected of the Funded Status on the Balance Sheet (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Retirement Benefits [Abstract]    
Fully eligible active employees $ (1,118) $ (1,089)
Non-eligible active employees 0 0
Plan assets 0 0
Funded status of accumulated postretirement benefit obligation, recognized in accounts payable and accrued liabilities $ (1,118) $ (1,089)