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EMPLOYEE BENEFIT PLANS - Net Periodic Post-retirement Benefit Cost (Details) - Post-retirement benefit plan - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Net periodic post-retirement benefit cost    
Service cost $ 4 $ 6
Interest cost $ 16 $ 19
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Labor and Related Expense Labor and Related Expense
Amortization of net actuarial gain $ (19) $ (10)
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Labor and Related Expense Labor and Related Expense
Net periodic post-retirement benefit cost $ 1 $ 15