| 
           Intangible Assets (Schedule Of Estimated Future Amortization Expense) (Details) (USD $) 
        In Thousands, unless otherwise specified  | 
        
           Dec. 31, 2014 
         | 
      
|---|---|
| Intangible Assets [Abstract] | |
| 2015 | $ 101us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths | 
| 2016 | 83us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo | 
| 2017 | 58us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree | 
| 2018 | 53us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour | 
| 2019 | $ 47us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive | 
| X | ||||||||||
| 
             
- Definition 
          Amount of amortization expense expected to be recognized during the next fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
  | 
        
| X | ||||||||||
| 
             
- Definition 
          Amount of amortization expense expected to be recognized during the fifth fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
  | 
        
| X | ||||||||||
| 
             
- Definition 
          Amount of amortization expense expected to be recognized during the fourth fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
  | 
        
| X | ||||||||||
| 
             
- Definition 
          Amount of amortization expense expected to be recognized during the third fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
  | 
        
| X | ||||||||||
| 
             
- Definition 
          Amount of amortization expense expected to be recognized during the second fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
  | 
        
| X | ||||||||||
| 
             
- Details 
          
  |