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EMPLOYEE BENEFIT PLANS - Components of Net Periodic Benefit Cost (Credit) (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Amortization of:        
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Other Other Other Other
Pension Plans        
Components of Net Periodic Benefit Cost (Credit):        
Service cost $ 74 $ 116 $ 256 $ 386
Interest cost 5,322 2,642 15,746 8,459
Expected return on plan assets (6,068) (5,808) (17,916) (18,627)
Amortization of:        
Prior service cost 28 25 81 80
Net actuarial loss 1,926 1,370 4,970 3,484
Settlement loss 791 380 2,333 1,223
Net periodic benefit cost (credit) $ 2,073 $ (1,275) $ 5,470 $ (4,995)