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Income Taxes (Reconciliation Of Uncertain Tax Position) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]      
Unrecognized Tax Benefits, Beginning Balance $ 679us-gaap_UnrecognizedTaxBenefits $ 231us-gaap_UnrecognizedTaxBenefits $ 0us-gaap_UnrecognizedTaxBenefits
Settlements based on tax positions related to prior years (580)us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions 0us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions 0us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
Additions based on tax positions related to prior years 131us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions 448us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions 231us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
Unrecognized Tax Benefits, Ending Balance $ 230us-gaap_UnrecognizedTaxBenefits $ 679us-gaap_UnrecognizedTaxBenefits $ 231us-gaap_UnrecognizedTaxBenefits