2.4.0.8164 - Disclosure - REGULATORY SUPERVISION (Details Textual)truefalsefalse1false falsefalsePAsOn06_30_2013http://www.sec.gov/CIK0001404296instant2013-06-30T00:00:000001-01-01T00:00:00pureStandardhttp://www.xbrl.org/2003/instancepurexbrli02false falsefalsePAsOn08_10_2012http://www.sec.gov/CIK0001404296instant2012-08-10T00:00:000001-01-01T00:00:00pureStandardhttp://www.xbrl.org/2003/instancepurexbrli01false 4us-gaap_TierOneLeverageCapitalToAverageAssetsus-gaap_truenainstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruefalse0.09000.0900falsefalsefalse2truetruefalse0.09000.0900falsefalsefalsenum:percentItemTypepureTier 1 Leverage Capital divided by average assets as defined in the regulations.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=7881181&loc=d3e65071-112826 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=7881181&loc=SL5958568-112826 false0Tier One Leverage Capital to Average Assets2false 4acfc_ConcentrationRiskOfTotalCapitalacfc_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruefalse0.25000.2500falsefalsefalse2falsetruefalse00falsefalsefalsenum:percentItemTypepureRepresents the concentration percentage derived from the total capital.No definition available.false0Concentration Risk of Total Capital3false 4acfc_TierOneRiskBasedCapitalToRiskWeightedAssetsExcludingAchievementsacfc_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruefalse0.13000.1300falsefalsefalse2falsetruefalse00falsefalsefalsenum:percentItemTypepureTier 1 capital divided by risk weighted assets as defined by regulations excluding achievements.No definition available.false0Tier One Risk Based Capital to Risk Weighted Assets Excluding AchievementsfalseREGULATORY SUPERVISION (Details Textual)UnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.atlanticcoastbank.net/role/RegulatorySupervisionDetailsTextual23