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Condensed Consolidated Balance Sheets (Parenthetical) (USD $)
Mar. 31, 2012
Dec. 31, 2011
Condensed Consolidated Balance Sheets [Abstract]    
Preferred stock, par value $ 1 $ 1
Preferred stock, shares authorized 500,000 500,000
Preferred stock, shares issued      
Preferred stock, shares outstanding      
Common stock, par value $ 1 $ 1
Common stock, shares authorized 35,000,000 35,000,000
Common stock, shares issued 8,580,753 8,580,753
Common stock, shares outstanding 8,574,291 8,574,291
Treasury stock, shares 6,462 6,462