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EMPLOYEE BENEFIT PLANS - Net Benefit Costs (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Pension    
Defined Benefit Plan Disclosure [Line Items]    
Service cost $ 0 $ 0
Interest cost 513 844
Expected return on plan assets (542) (887)
Amortization of losses 0 1
Pension settlement loss 5,673 0
Net periodic benefit (credit) cost $ 5,644 (42)
Weighted-average expected long-term rate of return on plan assets (as a percent) 5.00%  
Weighted-average expected long-term rate of return on plan assets after pension settlement (as a percent) 3.10%  
Postretirement    
Defined Benefit Plan Disclosure [Line Items]    
Service cost $ 1 1
Interest cost 18 17
Expected return on plan assets 0 0
Amortization of losses 0 0
Pension settlement loss 0 0
Net periodic benefit (credit) cost $ 19 $ 18