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RETIREMENT PLANS - Schedule of Defined Benefit Plans Disclosures (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Change in benefit obligation:      
Benefit obligation at January 1 $ 83,578 $ 106,496  
Service cost 628 1,190 $ 1,355
Interest cost 3,824 2,826 2,632
Actuarial (gain) loss 788 (21,350)  
Benefits paid (4,295) (5,584)  
Benefit obligation at December 31 84,523 83,578 106,496
Reconciliation of fair value of plan assets:      
Fair value of plan assets at January 1 71,734 87,979  
Actual return on plan assets 6,429 (11,117)  
Employer contributions 249 456  
Fair value of plan assets at December 31 74,117 71,734 $ 87,979
Funded status at December 31 (plan assets less benefit obligation) $ (10,406) $ (11,844)