2.4.0.8075 - Disclosure - Note 10 - Fair Value of Financial Instruments (Details) - Quantitative information about non-recurring Level 3 fair value of financial instruments and the fair value measurements:truefalseIn Thousands, unless otherwise specifiedfalse1false USDfalsefalsec454_From1Jan2013To30Jun2013_LoansHeldForSaleMemberhttp://www.sec.gov/CIK0000923139duration2013-01-01T00:00:002013-06-30T00:00:00pureStandardhttp://www.xbrl.org/2003/instancepurexbrli0usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170$1false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse1false USDtruefalsec454_From1Jan2013To30Jun2013_LoansHeldForSaleMemberhttp://www.sec.gov/CIK0000923139duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseLoans Held For Sale [Member]us-gaap_FinancialInstrumentAxisxbrldihttp://xbrl.org/2006/xbrldiffic_LoansHeldForSaleMemberus-gaap_FinancialInstrumentAxisexplicitMemberpureStandardhttp://www.xbrl.org/2003/instancepurexbrli0usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170$nanafalse0Loans Held For Sale [Member]2true 4ffic_AssetsAbstract0ffic_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Assets:3false 5us-gaap_AssetsFairValueDisclosureNonrecurringus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse335000335USD$falsetruefalsexbrli:monetaryItemTypemonetaryThis element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a nonrecurring basis by the entity. 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