Federal Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Deferred Tax Assets
Allowance for loan losses	$ 3,098	$ 3,299
Deferred compensation	1,041	1,015
Purchase accounting	21fraf_PurchaseAccounting	50fraf_PurchaseAccounting
Deferred loan fees and costs, net	160us-gaap_DeferredTaxAssetsDeferredIncome	160us-gaap_DeferredTaxAssetsDeferredIncome
Capital loss carryover	1,013	887
Other than temporary impairment of investments	369us-gaap_DeferredTaxAssetsInvestments	538us-gaap_DeferredTaxAssetsInvestments
Accumulated other comprehensive loss	1,597	2,420
AMT Credit	192	226
Other	750us-gaap_DeferredTaxAssetsOther	1,062us-gaap_DeferredTaxAssetsOther
Deferred Tax Assets, Gross, Total	8,241us-gaap_DeferredTaxAssetsGross	9,657us-gaap_DeferredTaxAssetsGross
Valuation allowance	(1,200)	(1,250)
Total gross deferred tax assets	7,041us-gaap_DeferredTaxAssetsNet	8,407us-gaap_DeferredTaxAssetsNet
Deferred Tax Liabilities
Depreciation	233	184
Joint ventures and partnerships	39	53
Pension	2,331fraf_DeferredTaxLiabilitiesPension	2,425fraf_DeferredTaxLiabilitiesPension
Mortgage servicing rights	49	63
Total gross deferred tax liabilities	2,713us-gaap_DeferredIncomeTaxLiabilities	2,962us-gaap_DeferredIncomeTaxLiabilities
Net deferred tax asset	4,328us-gaap_DeferredTaxAssetsLiabilitiesNet	5,445us-gaap_DeferredTaxAssetsLiabilitiesNet
Core Deposits [Member]
Deferred Tax Liabilities
Intangible Assets	61	184
Customer Lists [Member]
Deferred Tax Liabilities
Intangible Assets		$ 53

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from investments (excludes investments in subsidiaries and equity method investments).

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible alternative minimum tax credit carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from the allowance for doubtful accounts.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill.

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Amount of deferred tax liability attributable to taxable temporary differences from investments in unconsolidated subsidiaries and investments in other affiliates which are not controlled nor consolidated.

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Amount of deferred tax liability attributable to taxable temporary differences from mortgage servicing rights.

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Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.

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