THE FREMF TRUSTS (Details 2)	9 Months Ended
Sep. 30, 2016
California
Concentration Risk [Line Items]
Concentration Risk, Percentage	5.70%
FREMF trusts [Member] \| Texas
Concentration Risk [Line Items]
Concentration Risk, Percentage	17.70%
FREMF trusts [Member] \| New York
Concentration Risk [Line Items]
Concentration Risk, Percentage	15.50%
FREMF trusts [Member] \| Washington
Concentration Risk [Line Items]
Concentration Risk, Percentage	8.30%
FREMF trusts [Member] \| Colorado
Concentration Risk [Line Items]
Concentration Risk, Percentage	7.40%
FREMF trusts [Member] \| Georgia
Concentration Risk [Line Items]
Concentration Risk, Percentage	5.40%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13531-108611

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13537-108611

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

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