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Consolidated Balance Sheets (Parenthetical) - $ / shares
Jun. 30, 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) 13,877,256 13,793,311
Common stock, shares outstanding (in shares) 12,714,660 12,945,295
Treasury stock, shares (in shares) 1,162,596 848,016