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Preferred Stock (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
dividend
Dec. 31, 2013
Series A Preferred Stock [Member]
Dec. 31, 2012
Series A Preferred Stock [Member]
Dec. 05, 2008
Series A Preferred Stock [Member]
Schedule of Capitalization, Equity [Line Items]            
Issuance of Preferred stock       0 0 7,225,000
Preferred stock, Series A, $.01 par value; 1,000,000 shares authorized, 0 issued at December 31, 2013 and 2012           $ 7,225
Dividend rate 5.00%          
Future dividend rate 9.00%          
Liquidation preference           $ 1
Cumulative deferred dividend payments     466      
Proceeds from the stock offering   3,000        
Number of deferred quarterly dividend payments     5      
Deferred dividends totaling   801        
Increase in common stockholders equity   $ 4,960