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FEDERAL INCOME TAX (Narratives) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Valuation Allowance [Line Items]    
Effective income tax rate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate  
Valuation allowance $ 1,813us-gaap_DeferredTaxAssetsValuationAllowance $ 2,361us-gaap_DeferredTaxAssetsValuationAllowance
Realization of NOLs 1,565ufcs_OperatingLossCarryforwardsAmountUtilized  
Alternative minimum tax credit carryforward 0us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax 476us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax
Valuation Allowance, Operating Loss Carryforwards [Member]    
Valuation Allowance [Line Items]    
Reduction in valuation allowance $ 548us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount
/ us-gaap_ValuationAllowanceByDeferredTaxAssetAxis
= us-gaap_ValuationAllowanceOperatingLossCarryforwardsMember