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Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Per Share data, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Consolidated Balance Sheets [Abstract]    
Preferred stock, par value $ 0.01 $ 0.01
Preferred stock, shares authorized 1,000 1,000
Preferred stock, shares issued 108 108
Preferred stock, shares outstanding 108 108
Preferred stock, liquidation preference $ 2.66 $ 2.66
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 55,000 55,000
Common stock, shares issued 41,100 40,407
Common stock, shares outstanding 40,082 39,388
Treasury stock, shares 1,018 1,019