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Stockholders' Equity (Details 2) (USD $)
 6 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Series A cumulative perpetual preferred stock
Jun. 30, 2013
Series A cumulative perpetual preferred stock
Series A Cumulative Perpetual Preferred Stock        
Number of shares sold of series A cumulative perpetual preferred stock     317,319  
Preferred stock dividend rate (as a percent)     8.50% 8.50%
Preferred stock, liquidation preference (in dollars per share)     $ 25.00 $ 25.00
Amount of sinking fund available to stockholders     $ 0  
Redemption price per share (in dollars per share)     $ 25.25  
Dividend payable monthly on preferred stock (in dollars per share)     $ 0.177083  
Cash Dividends to Preferred Stockholders $ 337,151 $ 337,151 $ 337,151