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Consolidated Balance Sheets (Parenthetical) - $ / shares
Mar. 31, 2025
Dec. 31, 2024
Statement of Financial Position [Abstract]    
Common stock, par value (in dollars per share) $ 1 $ 1
Common stock, shares authorized (in shares) 40,000,000 40,000,000
Common stock, shares issued (in shares) 13,798,311 13,793,311
Common stock, shares outstanding (in shares) 12,950,295 12,945,295
Treasury stock, shares (in shares) 848,016 848,016