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SUPPLEMENTAL EXECUTIVE RETIREMENT PLANS (Net Periodic Benefit Cost) (Details) - SERPs - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
PENSION AND SUPPLEMENTAL EXECUTIVE RETIREMENT PLANS        
Interest cost $ 113 $ 107 $ 341 $ 323
Net periodic benefit cost $ 113 $ 107 $ 341 $ 323