XML 67 R57.htm IDEA: XBRL DOCUMENT v3.23.1
RETIREMENT PLANS - Net Periodic Pension Cost (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Components of the plan's net periodic pension cost    
Settlements $ 369  
Pension benefits    
Components of the plan's net periodic pension cost    
Service cost 38 $ 57
Interest cost 593 565
Expected return on plan assets (953) (925)
Settlements 369  
Net periodic pension expense (benefit) 47 (303)
Postretirement benefits    
Components of the plan's net periodic pension cost    
Service cost 31 36
Interest cost 35 33
Net periodic pension expense (benefit) $ 66 $ 69