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Income Taxes (Summary Of Reconciliation Of The Beginning And Ending Amount Of Tax Liability For Uncertain Tax Positions) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Income Taxes [Abstract]    
Beginning balance $ 36 $ 175
Reductions as a result of lapses in statute of limitations (18) (139)
Ending balance $ 18 $ 36