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STATEMENTS OF CHANGES IN MEMBERS' EQUITY
$ in Thousands
Common Stock [Member]
USD ($)
     Balance, Beginning of the Period at Dec. 31, 2020 $ 25,758
Changes in Members' Equity  
     Net Income 1,774
     Pension Liability Adjustment
     Distributions to Members (2,014)
     Balance, End of the Period at Mar. 31, 2021 25,518
     Balance, Beginning of the Period at Dec. 31, 2021 27,747
Changes in Members' Equity  
     Net Income 2,606
     Pension Liability Adjustment
     Distributions to Members (2,170)
     Balance, End of the Period at Mar. 31, 2022 $ 28,183