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Fair Value (Amount Of Gains And Losses From Changes In Fair Value Included In Earnings) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Fair Value [Abstract]        
Interest income $ 37 $ 11 $ 53 $ 16
Change in fair value 167 (9) 183 (20)
Total change in fair value $ 204 $ 2 $ 236 $ (4)