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PARENT COMPANY FINANCIAL INFORMATION - BALANCE SHEETS SHARE INFORMATION (Details) - $ / shares
Dec. 31, 2023
Dec. 31, 2022
Common Stock, Par or Stated Value Per Share (in dollars per share) $ 1.25 $ 1.25
Common Stock, Authorized (in shares) 80,000,000 80,000,000
Common Stock, Issued (in shares) 38,039,706 38,000,822
Treasury Stock, (in shares) 7,790,276 6,454,192
Parent    
Common Stock, Par or Stated Value Per Share (in dollars per share) $ 1.25 $ 1.25
Common Stock, Authorized (in shares) 80,000,000 80,000,000
Common Stock, Issued (in shares) 38,039,706 38,000,822
Treasury Stock, (in shares) 7,790,276 6,454,192