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MORTGAGE LOANS HELD-FOR-SALE, at FAIR VALUE (Details) (USD $)
Mar. 31, 2015
Dec. 31, 2014
Mortgage loans held-for-sale [Line Items]    
Mortgages Held-for-sale, Fair Value Disclosure $ 111,656,191us-gaap_MortgagesHeldForSaleFairValueDisclosure $ 54,678,382us-gaap_MortgagesHeldForSaleFairValueDisclosure
Mortgage Loans Held-for-sale [Member]    
Mortgage loans held-for-sale [Line Items]    
Mortgages Held-for-sale, Fair Value Disclosure 111,656,191us-gaap_MortgagesHeldForSaleFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= oaks_MortgageLoansHeldforsaleMember		 54,678,382us-gaap_MortgagesHeldForSaleFairValueDisclosure
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= oaks_MortgageLoansHeldforsaleMember
Unpaid principal balance [Member] | Mortgage Loans Held-for-sale [Member]    
Mortgage loans held-for-sale [Line Items]    
Mortgages Held-for-sale, Fair Value Disclosure 110,775,080us-gaap_MortgagesHeldForSaleFairValueDisclosure
/ us-gaap_InformationByCategoryOfDebtSecurityAxis
= oaks_UnpaidPrincipalBalanceMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= oaks_MortgageLoansHeldforsaleMember		 54,348,654us-gaap_MortgagesHeldForSaleFairValueDisclosure
/ us-gaap_InformationByCategoryOfDebtSecurityAxis
= oaks_UnpaidPrincipalBalanceMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= oaks_MortgageLoansHeldforsaleMember
Fair value adjustment [Member] | Mortgage Loans Held-for-sale [Member]    
Mortgage loans held-for-sale [Line Items]    
Mortgages Held-for-sale, Fair Value Disclosure $ 881,111us-gaap_MortgagesHeldForSaleFairValueDisclosure
/ us-gaap_InformationByCategoryOfDebtSecurityAxis
= oaks_FairValueAdjustmentMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= oaks_MortgageLoansHeldforsaleMember		 $ 329,728us-gaap_MortgagesHeldForSaleFairValueDisclosure
/ us-gaap_InformationByCategoryOfDebtSecurityAxis
= oaks_FairValueAdjustmentMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= oaks_MortgageLoansHeldforsaleMember