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Income Taxes (Unrecognized Tax Benefits Roll Forward) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Reconciliation of Unrecognized Tax Benefits [Roll Forward]    
Balance at beginning of period $ 779us-gaap_UnrecognizedTaxBenefits $ 773us-gaap_UnrecognizedTaxBenefits
Additions for tax positions related to the current year 71us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions 65us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
Additions for tax positions related to prior years 37us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions 188us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
Reductions for tax positions related to prior years (181)us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions (247)us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
Balance at end of period $ 706us-gaap_UnrecognizedTaxBenefits $ 779us-gaap_UnrecognizedTaxBenefits