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AVAILABLE-FOR-SALE SECURITIES (Details Textual) (USD $)
3 Months Ended 12 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]      
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent $ 11,881,959us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent $ 12,405,767us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent  
Available-for-sale Securities, Gross Unrealized Loss 2,469,713us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss   1,194,539us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss
Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax 4,400,000us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax    
AFS securities [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent 7,424,415us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= oaks_AvailableForSalesSecuritiesMember
   
Non Agency [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Available-for-sale Securities, Gross Unrealized Loss $ 1,900,000us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLoss
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= oaks_NonAgencyMember