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RETIREMENT PLANS - Net Periodic Pension Cost (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Jul. 22, 2021
Components of the plan's net periodic pension cost          
Settlements     $ 1,725    
Pension benefits          
Components of the plan's net periodic pension cost          
Service cost $ 57 $ 54 171 $ 162  
Interest cost 565 645 1,695 1,789  
Expected return on plan assets (925) (833) (2,775) (2,207)  
Settlements     (1,725)    
Net periodic pension expense (benefit) (303) (134) (2,634) (256)  
Funded status of plan          
Projected benefit obligation         $ 15,400
Plan Net Assets         12,100
Postretirement benefits          
Components of the plan's net periodic pension cost          
Service cost 36 35 108 105  
Interest cost 33 41 99 123  
Net periodic pension expense (benefit) $ 69 $ 76 $ 207 $ 228  
Funded status of plan          
Projected benefit obligation         $ 400