Quarterly report pursuant to Section 13 or 15(d)

Related-Party Transactions (Details)

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Related-Party Transactions (Details) (USD $)
 3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Dec. 31, 2011
Related Party Transactions (Additional Textual) [Abstract]          
Due to the Adviser and Administrator $ 1,034,000 [1]   $ 1,034,000 [1]   $ 1,188,000 [1]
Annual base management fee, in percentage of stockholders' equity, in excess of recorded value of preferred stock     2.00%    
Base management fee 355,000 [2] 430,000 [2] 1,120,000 [2] 1,217,000 [1],[2]  
Pre-incentive quarterly fee FFO in percentage of common stockholders equity that will reward the advisor     1.75%    
Pre-incentive annual fee FFO in percentage of common stockholders equity that will reward the advisor     7.00%    
Amount to be paid to Adviser in percentage of pre-incentive fee condition one     100.00%    
Pre-incentive fee in percentage of common stockholders equity that awards adviser hundred percent of amount of pre-incentive fee, maximum percentage     2.1875%    
Pre-incentive fee in percentage of common stockholders' equity that awards the adviser 20% of the amount of the pre-incentive fee, minimum percentage     2.1875%    
Amount to be paid to Adviser in percentage of pre-incentive fee condition two     20.00%    
Incentive fee 927,000 [2] 877,000 [2] 2,614,000 [2] 2,549,000 [2]  
Credit to incentive fee (1) (535,000) [2] (828,000) [2] (1,794,000) [2] (1,759,000) [2]  
Related-party transactions incentive fee, net 400,000 100,000 800,000 800,000  
Administration fee 272,000 [2] 242,000 [2] 846,000 [2] 759,000 [2]  
Dealer manager fee in percentage of gross proceeds of shares of Senior Common Stock sold     7.00%    
Sales commission fee in percentage of gross proceeds of shares of Senior Common Stock sold     3.00%    
Dealer Manager [Member]
          
Related-Party Transactions (Textual) [Abstract]          
Payments made to the Dealer Manager pursuant to Dealer Manager Agreement $ 49,000 $ 0 $ 99,000 $ 0  
[1] (1) Refer to Note 2 "Related-Party Transactions"
[2] (1) Refer to Note 2 Related-Party Transactions