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Preferred Stock (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
6 Months Ended
Jun. 30, 2012
Rate
Dec. 31, 2011
Preferred Stock (Textual) [Abstract]    
Preferred Stock outstanding 259 259
Preferred Stock, Liquidation Stock Per Share $ 100,000  
Total liquidation value of preferred stock $ 25,921 $ 25,921
Recorded value of Preferred Stock 24,996 24,841
Dividend Balance of preferred stock $ 15,920 $ 13,717
Dividend rate 17.00%