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COMMERCIAL LOAN INVESTMENTS - Summary of Commercial Loan Investment Portfolio (Details) - USD ($)
Mar. 31, 2017
Dec. 31, 2016
Accounts Notes And Loans Receivable [Line Items]    
Original Face Amount $ 23,960,467  
Current Face Amount 23,960,467  
Carrying Value 23,960,467 $ 23,960,467
Mezzanine | Hotel [Member] | Atlanta, GA [Member]    
Accounts Notes And Loans Receivable [Line Items]    
Original Face Amount $ 5,000,000  
Loans receivable, fixed rate 12.00% 12.00%
Mezzanine | Hotel [Member] | Dallas, Texas    
Accounts Notes And Loans Receivable [Line Items]    
Original Face Amount $ 10,000,000  
Current Face Amount 10,000,000  
Carrying Value $ 10,000,000  
Loans receivable basis spread on variable rate 7.25% 7.25%
Notes Receivable | Retail Shopping Center | Sarasota, Florida    
Accounts Notes And Loans Receivable [Line Items]    
Original Face Amount $ 8,960,467  
Current Face Amount 8,960,467  
Carrying Value $ 8,960,467  
Loans receivable basis spread on variable rate 7.50% 7.50%