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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Textual) (USD $)
Mar. 31, 2015
Dec. 31, 2014
Apr. 25, 2014
Summary Of Significant Accounting Policies [Line Items]      
Proposed Maximum Aggregate Offering Price     $ 750,000,000oaks_ProposedMaximumAggregateOfferingPrice
Available-for-sale Securities, Total 601,126,052us-gaap_AvailableForSaleSecurities 368,315,738us-gaap_AvailableForSaleSecurities  
Non Agency RMBS [Member]      
Summary Of Significant Accounting Policies [Line Items]      
Available-for-sale Securities, Total 171,914,913us-gaap_AvailableForSaleSecurities
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= oaks_NonAgencyRmbsMember		 53,485,053us-gaap_AvailableForSaleSecurities
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= oaks_NonAgencyRmbsMember		  
Multi Family MBS [Member]      
Summary Of Significant Accounting Policies [Line Items]      
Available-for-sale Securities, Total $ 119,165,050us-gaap_AvailableForSaleSecurities
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= oaks_MultiFamilyMbsMember		 $ 0us-gaap_AvailableForSaleSecurities
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= oaks_MultiFamilyMbsMember