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Consolidated Balance Sheets (Parenthetical) (USD $)
Dec. 31, 2013
Dec. 31, 2012
Statement of Financial Position [Abstract]    
Preferred stock, par value (in USD per share) $ 10 $ 10
Preferred stock, shares authorized 500,000 500,000
Preferred stock, shares issued 0 0
Common stock, par value (in USD per share) $ 2.50 $ 2.50
Common stock, shares authorized 10,000,000 10,000,000
Common stock, shares issued 3,392,780 3,336,022