XML 29 R18.htm IDEA: XBRL DOCUMENT v2.4.0.6
Organization (Details Textual) (USD $)
In Thousands, except Share data, unless otherwise specified
 1 Months Ended 9 Months Ended 1 Months Ended 9 Months Ended 1 Months Ended
Jun. 30, 2011
Sep. 30, 2012
Number_of_employees
Number
Sep. 30, 2011
Mar. 31, 2012
Dec. 31, 2011
Apr. 29, 2011
Number
Jun. 10, 2011
Maximum [Member]
Jun. 10, 2011
Minimum [Member]
Jan. 04, 2012
Series A cumulative Non-Voting Preferred stock [Member]
Sep. 30, 2012
Series A cumulative Non-Voting Preferred stock [Member]
Number_of_investors
Sep. 30, 2012
Common stock [Member]
Apr. 30, 2009
Common stock [Member]
LLC [Member]
Organization (Textual) [Abstract]                        
Common stock sold                   125   20,000
Date of common stock sold to Independence Realty Advisors, LLC.                     Jan. 04, 2012  
Date of wholly owned subsidiary common stock                     Jan. 20, 2011  
Preferred stock designated                 12.50% 12.50%    
Number of accredited investors not affiliated by the parent company                   125    
Common stock, shares authorized   300,000,000     300,000,000              
Common stock, shares authorized             100,000,000          
Common stock, shares authorized               250,000        
Minimum offering amount   $ 3,015 $ 0                  
Organization (Additional Textual) [Abstract]                        
Common stock for sale to public per share subject to discounts $ 10.00                      
Common stock for sale to public per share pursuant to distribution reinvestment plan $ 9.50                      
Number of shares issued to RAIT NTR Holdings, LLC       300,000                
Number of paid employees in the concern   0                    
Number of multifamily property owned   7                    
Number of units located with multifamily properties   1,812       6            
Number of states in which multifamily properties located   5                    
Number of transferred shares   20,000                    
Additional shares   5,000