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This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.No definition available.false2Assets, carried at fair value on a recurring basis45false 4us-gaap_LiabilitiesFairValueDisclosureRecurringus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2truefalsefalse19220001922USD$falsefalsefalsexbrli:monetaryItemTypemonetaryAggregation of the liabilities reported on the balance sheet measured at fair value on a recurring basis by the entity.No definition available.false2Liabilities, carried at fair value on a recurring basis46false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse27false USDtruefalse$c389_AsOf30Jun2013_FairValueInputsLevel3Member_FairValueMeasurementsRecurringMemberhttp://www.sec.gov/CIK0000923139instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseFair Value, Measurements, Recurring [Member]us-gaap_FairValueByMeasurementFrequencyAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_FairValueMeasurementsRecurringMemberus-gaap_FairValueByMeasurementFrequencyAxisexplicitMemberfalsefalseFair Value, Inputs, Level 3 [Member]us-gaap_FairValueByFairValueHierarchyLevelAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_FairValueInputsLevel3Memberus-gaap_FairValueByFairValueHierarchyLevelAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Fair Value, Inputs, Level 3 [Member]47true 3ffic_Note10FairValueofFinancialInstrumentsDetailsFairvaluemeasuredonanonrecurringbasisLineItemsffic_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Note 10 - Fair Value of Financial Instruments (Details) - Fair value measured on a non-recurring basis: [Line Items]48false 4us-gaap_AssetsFairValueDisclosureRecurringus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse4062400040624USD$falsefalsefalse2truefalsefalse3955400039554USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThis element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a recurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.No definition available.false2Assets, carried at fair value on a recurring basis49false 4us-gaap_LiabilitiesFairValueDisclosureRecurringus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse2619200026192USD$falsetruefalse2truefalsefalse2392200023922USD$falsetruefalsexbrli:monetaryItemTypemonetaryAggregation of the liabilities reported on the balance sheet measured at fair value on a recurring basis by the entity.No definition available.false2Liabilities, carried at fair value on a recurring basisfalseNote 10 - Fair Value of Financial Instruments (Details) - Fair value measured on a non-recurring basis: (Fair Value, Measurements, Recurring [Member], USD $)ThousandsUnKnownUnKnownUnKnowntruefalsefalseSheethttp://flushingbank.com/role/FairvaluemeasuredonanonrecurringbasisTable249