XML 58 R47.htm IDEA: XBRL DOCUMENT v3.3.1.900
Stockholders' Equity - Series A Cumulative Perpetual Preferred Stock (Details) - USD ($)
 6 Months Ended 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Jun. 30, 2015
Series A Cumulative Perpetual Preferred Stock      
Cash dividends to preferred stockholders $ 337,151 $ 337,151  
Preferred      
Series A Cumulative Perpetual Preferred Stock      
Percentage of cash dividends treated as qualified dividend income     100.00%
Common Stock      
Series A Cumulative Perpetual Preferred Stock      
Percentage of cash dividends treated as qualified dividend income     14.00%
Percentage of cash dividends treated as return of capital     86.00%
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%
Amount of sinking fund available to stockholders $ 0    
Preferred stock, liquidation preference (in dollars per share) $ 25.00   $ 25.00
Dividend payable monthly on preferred stock (in dollars per share) $ 0.177083    
Cash dividends to preferred stockholders $ 337,151 $ 337,151