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Real Estate Investments Business Acquisitions (Details) (USD $)
0 Months Ended 3 Months Ended
Mar. 20, 2013
Mar. 31, 2013
Consolidated Entities [Member] | Hilltop Village [Member]
   
Business Acquisition [Line Items]    
Ownership 100.00%  
Purchase Price   $ 7,700,000
Macquarie Country Wide - Regency Iii, Llc [Member]
   
Business Acquisition [Line Items]    
Equity Method Investments 24.95%  
Mortgages [Member] | Consolidated Entities [Member] | Hilltop Village [Member]
   
Business Acquisition [Line Items]    
Mortgage loans assumed for the acquisition of real estate   $ 7,500,000