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SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE (Details Textual) (USD $)
3 Months Ended
Mar. 31, 2015
Dec. 31, 2014
Aug. 02, 2012
Securities Sold Under Agreements To Repurchase [Line Items]      
Securities Sold under Agreements to Repurchase $ 66,300,000us-gaap_SecuritiesSoldUnderAgreementsToRepurchase $ 66,300,000us-gaap_SecuritiesSoldUnderAgreementsToRepurchase  
Securities Received as Collateral 81,500,000us-gaap_SecuritiesReceivedAsCollateral 75,600,000us-gaap_SecuritiesReceivedAsCollateral  
Gains (Losses) on Extinguishment of Debt 5,900,000us-gaap_GainsLossesOnExtinguishmentOfDebt    
Secured Debt, Repurchase Agreements 51,300,000us-gaap_SecuredDebtRepurchaseAgreements   51,300,000us-gaap_SecuredDebtRepurchaseAgreements
Debt Fair Value in Excess of Carrying Value $ 4,400,000acfc_DebtFairValueInExcessOfCarryingValue