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Pension Liabilities (Schedule Of Change In Pension Benefit Obligation And Funded Status) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Pension Liabilities [Abstract]    
Benefit obligation at beginning of period $ 7,398us-gaap_DefinedBenefitPlanBenefitObligation $ 5,944us-gaap_DefinedBenefitPlanBenefitObligation
Interest cost 255us-gaap_DefinedBenefitPlanInterestCost 202us-gaap_DefinedBenefitPlanInterestCost
Actuarial loss (gain) (58)us-gaap_DefinedBenefitPlanActuarialGainLoss 1,252us-gaap_DefinedBenefitPlanActuarialGainLoss
Benefit obligation at end of period 7,595us-gaap_DefinedBenefitPlanBenefitObligation 7,398us-gaap_DefinedBenefitPlanBenefitObligation
Funded status at end of period $ (7,595)us-gaap_DefinedBenefitPlanFundedStatusOfPlan $ (7,398)us-gaap_DefinedBenefitPlanFundedStatusOfPlan