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Consolidated Balance Sheets (Parenthetical) (USD $)
Jun. 30, 2014
Dec. 31, 2013
Statement Of Financial Position [Abstract]    
Preferred Stock, par value $ 1.25 $ 1.25
Preferred Stock, shares authorized 500,000 500,000
Preferred Stock, shares issued      
Preferred Stock, shares outstanding      
Common stock, par value      
Common stock, stated value $ 0.05205 $ 0.05205
Common stock, shares authorized 50,000,000 50,000,000
Common stock, shares issued 8,110,373 8,107,274
Common stock, shares outstanding 8,109,562 8,106,463
Treasury stock shares 811 811