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RETIREMENT PLAN BENEFIT LIABILITY - Components of Net Periodic Pension Cost (Details) - Supplemental Employee Retirement Plan Defined Benefit [Member] - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Components of net periodic pension cost [Abstract]    
Service cost $ 243 $ 225
Interest cost 630 696
Amortization of prior service cost 6 6
Total net periodic benefit cost $ 879 $ 927