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Consolidated Balance Sheets (Parenthetical) - $ / shares
Sep. 30, 2023
Dec. 31, 2022
Statement of Financial Position [Abstract]    
Common stock, par value (in dollars per share) $ 1 $ 1
Common stock, shares authorized (in shares) 40,000,000 20,000,000
Common stock, shares issued (in shares) 13,574,239 13,466,281
Common stock, shares outstanding (in shares) 12,726,223 12,618,265
Treasury stock, shares (in shares) 848,016 848,016