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RESIDENTIAL MORTGAGE LOAN SECURITIZATION TRUSTS (Details 2) - Residential Mortgage [Member]
12 Months Ended
Dec. 31, 2014
California [Member]  
Variable Interest Entity [Line Items]  
Concentration Risk, Percentage 52.50%
Washington [Member]  
Variable Interest Entity [Line Items]  
Concentration Risk, Percentage 10.90%
Massachusetts [Member]  
Variable Interest Entity [Line Items]  
Concentration Risk, Percentage 7.30%