Quarterly report pursuant to Section 13 or 15(d)

INVESTMENTS IN RESIDENTIAL MORTGAGE LOANS - Schedule of Residential Mortgage Loans Outstanding by Loan Type, Excluding REO (Footnote) (Details)

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INVESTMENTS IN RESIDENTIAL MORTGAGE LOANS - Schedule of Residential Mortgage Loans Outstanding by Loan Type, Excluding REO (Footnote) (Details) - USD ($)
$ in Millions
1 Months Ended 6 Months Ended
Feb. 28, 2013
Jun. 30, 2015
Mortgage Loans on Real Estate [Line Items]    
Threshold period past due   60 days
Net unamortized discounts and premiums   $ 1.6
Reverse Mortgage Loans [Member]    
Mortgage Loans on Real Estate [Line Items]    
Interest in reverse mortgage loans 70.00% 70.00%
Total unpaid principal balance   $ 0.3
Percentage of loans that have reached a termination event   74.00%
Upper Range [Member] | Performing Loans [Member]    
Mortgage Loans on Real Estate [Line Items]    
Threshold period past due   30 days
GNMA EBO [Member] | Non-Performing Loans [Member]    
Mortgage Loans on Real Estate [Line Items]    
Unpaid Principal Balance   $ 293.2