XML 11 R3.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Consolidated Balance Sheets (Parenthetical) (USD $)
Jun. 30, 2011
Dec. 31, 2010
Stockholders' Equity    
Common stock, par value $ 1 $ 1
Common stock, shares authorized 50,000,000 50,000,000
Common stock, shares issued 18,082,822 18,082,822
Treasury stock, shares 164,998 216,487
Undesignated Par Value [Member]
    
Stockholders' Equity    
Preferred stock, undesignated par value $ 0 $ 0
Preferred stock, shares authorized 1,000,000 1,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Designated Par Value [Member]
    
Stockholders' Equity    
Preferred stock, par value $ 0.01 $ 0.01
Preferred stock, shares authorized 25,000 25,000
Preferred stock, shares issued 18,921 0