Quarterly report pursuant to Section 13 or 15(d)

REAL ESTATE RELATED AND OTHER LOANS, RESIDENTIAL MORTGAGE LOANS AND SUBPRIME MORTGAGE LOANS (Subprime Mortgage Loans) (Details 5)

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REAL ESTATE RELATED AND OTHER LOANS, RESIDENTIAL MORTGAGE LOANS AND SUBPRIME MORTGAGE LOANS (Subprime Mortgage Loans) (Details 5) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2016
Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total securitized loans (unpaid principal balance) $ 607,551  
Loans subject to call option (carrying value) 353,347 $ 380,806
Retained bonds (fair value) 3,430  
Subprime Portfolio I    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total securitized loans (unpaid principal balance) 247,163  
Loans subject to call option (carrying value) 246,306  
Retained bonds (fair value) $ 3,430  
Average loan seasoning 134 months  
Weighted average yield of retained bonds 24.60%  
Subprime Portfolio II    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total securitized loans (unpaid principal balance) $ 360,388  
Loans subject to call option (carrying value) 107,041  
Retained bonds (fair value) $ 0  
Average loan seasoning 116 months