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STOCKHOLDERS' EQUITY (Details Textual) (USD $)
1 Months Ended 3 Months Ended 12 Months Ended 1 Months Ended
Apr. 25, 2014
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
May 27, 2014
Jun. 19, 2014
Feb. 19, 2014
Jul. 25, 2013
Stockholders' Equity Note [Line Items]                
Proceeds From Issuance Of Common Stock   $ (105,547)us-gaap_ProceedsFromIssuanceOfCommonStock $ 39,241,880us-gaap_ProceedsFromIssuanceOfCommonStock          
Preferred Stock, Dividend Rate, Percentage   8.75%us-gaap_PreferredStockDividendRatePercentage   8.75%us-gaap_PreferredStockDividendRatePercentage        
Proceeds from Issuance of Preferred Stock and Preference Stock   0us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock 2,778,201us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock          
Dividends Payable   39,132us-gaap_DividendsPayableCurrentAndNoncurrent 22,361us-gaap_DividendsPayableCurrentAndNoncurrent 39,132us-gaap_DividendsPayableCurrentAndNoncurrent        
Common Stock, Par or Stated Value Per Share   $ 0.01us-gaap_CommonStockParOrStatedValuePerShare   $ 0.01us-gaap_CommonStockParOrStatedValuePerShare        
Common Stock, Shares Authorized   450,000,000us-gaap_CommonStockSharesAuthorized   450,000,000us-gaap_CommonStockSharesAuthorized        
Common Stock, Shares, Issued   14,718,750us-gaap_CommonStockSharesIssued   14,718,750us-gaap_CommonStockSharesIssued        
Preferred Stock, Par or Stated Value Per Share   $ 0.01us-gaap_PreferredStockParOrStatedValuePerShare   $ 0.01us-gaap_PreferredStockParOrStatedValuePerShare        
Preferred Stock, Liquidation Preference, Value   25us-gaap_PreferredStockLiquidationPreferenceValue   25us-gaap_PreferredStockLiquidationPreferenceValue        
Preferred Stock, Shares Authorized   50,000,000us-gaap_PreferredStockSharesAuthorized   50,000,000us-gaap_PreferredStockSharesAuthorized        
Preferred Stock, Shares Outstanding   1,610,000us-gaap_PreferredStockSharesOutstanding   1,610,000us-gaap_PreferredStockSharesOutstanding        
Stock Issued During Period Value New Issues Two   0oaks_StockIssuedDuringPeriodValueNewIssuesTwo            
Noninterest Expense Offering Cost 1,133,117us-gaap_NoninterestExpenseOfferingCost 105,547us-gaap_NoninterestExpenseOfferingCost            
Amortization of Financing Costs       293,003us-gaap_AmortizationOfFinancingCosts        
Deferred Offering Costs   1,014,112us-gaap_DeferredOfferingCosts   945,661us-gaap_DeferredOfferingCosts        
Series A Preferred Stock [Member]                
Stockholders' Equity Note [Line Items]                
Preferred Stock, Dividend Rate, Percentage   8.75%us-gaap_PreferredStockDividendRatePercentage
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
           
Proceeds from Issuance of Preferred Stock and Preference Stock   2,778,201us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
           
Preferred Stock, Liquidation Preference Per Share   $ 25.00us-gaap_PreferredStockLiquidationPreference
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
           
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross   120,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
           
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period   120,000us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
           
Stock Issued During Period Shares New Issues Two         690,000oaks_StockIssuedDuringPeriodSharesNewIssuesTwo
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
     
Stock Issued During Period Value New Issues Two         16,325,373oaks_StockIssuedDuringPeriodValueNewIssuesTwo
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember
     
Common Stock [Member]                
Stockholders' Equity Note [Line Items]                
Stock Issued During Period, Shares, New Issues           3,500,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
3,000,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
 
Stock Issued During Period Offer Price New Issues           $ 11.00oaks_StockIssuedDuringPeriodOfferPriceNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
$ 11.30oaks_StockIssuedDuringPeriodOfferPriceNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
 
Proceeds From Issuance Of Common Stock           38,442,925us-gaap_ProceedsFromIssuanceOfCommonStock
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
31,927,377us-gaap_ProceedsFromIssuanceOfCommonStock
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
 
Dividends Payable   5,519,531us-gaap_DividendsPayableCurrentAndNoncurrent
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
           
Dividends Payable, Amount Per Share   $ 0.375us-gaap_DividendsPayableAmountPerShare
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
           
Stock Issued During Period Value New Issues Two   0oaks_StockIssuedDuringPeriodValueNewIssuesTwo
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
           
Common Stock [Member] | IPO [Member]                
Stockholders' Equity Note [Line Items]                
Warrants To Purchase Common Stock               3,125,000oaks_WarrantsToPurchaseCommonstock
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_IPOMember
Common Stock Exercise Price Description               at a per share exercise price equal to 105% of the $15.00 IPO price, or $15.75.
Common Stock [Member] | Underwriters Issuance One [Member]                
Stockholders' Equity Note [Line Items]                
Stock Issued During Period Offer Price New Issues       $ 11.30oaks_StockIssuedDuringPeriodOfferPriceNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
/ us-gaap_SubsidiarySaleOfStockAxis
= oaks_UnderwrittersIssuanceOneMember
       
Preferred Stock, Liquidation Preference Per Share       $ 11.30us-gaap_PreferredStockLiquidationPreference
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
/ us-gaap_SubsidiarySaleOfStockAxis
= oaks_UnderwrittersIssuanceOneMember
       
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross       450,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
/ us-gaap_SubsidiarySaleOfStockAxis
= oaks_UnderwrittersIssuanceOneMember
       
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period       300,000us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
/ us-gaap_SubsidiarySaleOfStockAxis
= oaks_UnderwrittersIssuanceOneMember
       
Proceeds from Stock Options Exercised       3,214,325us-gaap_ProceedsFromStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
/ us-gaap_SubsidiarySaleOfStockAxis
= oaks_UnderwrittersIssuanceOneMember
       
Common Stock [Member] | Underwriters Issuance Two [Member]                
Stockholders' Equity Note [Line Items]                
Stock Issued During Period Offer Price New Issues       $ 11.00oaks_StockIssuedDuringPeriodOfferPriceNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
/ us-gaap_SubsidiarySaleOfStockAxis
= oaks_UnderwrittersIssuanceTwoMember
       
Preferred Stock, Liquidation Preference Per Share       $ 11.00us-gaap_PreferredStockLiquidationPreference
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
/ us-gaap_SubsidiarySaleOfStockAxis
= oaks_UnderwrittersIssuanceTwoMember
       
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross       525,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
/ us-gaap_SubsidiarySaleOfStockAxis
= oaks_UnderwrittersIssuanceTwoMember
       
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period       525,000us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
/ us-gaap_SubsidiarySaleOfStockAxis
= oaks_UnderwrittersIssuanceTwoMember
       
Proceeds from Stock Options Exercised       $ 5,769,750us-gaap_ProceedsFromStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
/ us-gaap_SubsidiarySaleOfStockAxis
= oaks_UnderwrittersIssuanceTwoMember