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ORGANIZATION, BACKGROUND AND SIGNIFICANT ACCOUNTING POLICIES (Details)
12 Months Ended
Sep. 30, 2012
item
Sep. 30, 2011
item
Segment Reporting    
Number of reportable segments 3 2
Minimum
   
Organization, background and significant accounting policies    
Duration of short-term or bridge loans originated 6 months  
Equity contribution in multi-family residential real estate joint ventures (as a percent) 80.00%  
Maximum
   
Organization, background and significant accounting policies    
Duration of short-term or bridge loans originated 1 year  
Equity contribution in multi-family residential real estate joint ventures (as a percent) 90.00%  
Lease term 1 year  
Fixed Asset Capitalization    
Period from cessation of major construction activity to consider a construction project as substantially completed 1 year