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Fair Value (Amount Of Gains And Losses From Changes In Fair Value Included In Earnings) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Fair Value [Abstract]    
Interest income $ 56 $ 97
Interest expense
Change in fair value $ (10)  
Total change in fair value $ 46 $ 97