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RETIREMENT PLAN BENEFIT LIABILITY - Components of Net Periodic Pension Cost (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Components of net periodic pension cost [Abstract]        
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] RETIREMENT PLAN BENEFIT LIABILITY RETIREMENT PLAN BENEFIT LIABILITY RETIREMENT PLAN BENEFIT LIABILITY RETIREMENT PLAN BENEFIT LIABILITY
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] RETIREMENT PLAN BENEFIT LIABILITY RETIREMENT PLAN BENEFIT LIABILITY RETIREMENT PLAN BENEFIT LIABILITY RETIREMENT PLAN BENEFIT LIABILITY
Supplemental Employee Retirement Plan Defined Benefit [Member]        
Components of net periodic pension cost [Abstract]        
Service cost $ 211 $ 238 $ 626 $ 713
Interest cost 710 725 1,931 2,174
Curtailment charge 0 0 312 0
Amortization of prior service cost 6 203 27 611
Amortization of loss 0 120 0 360
Total net periodic benefit cost $ 927 $ 1,286 $ 2,896 $ 3,858