Annual report pursuant to Section 13 and 15(d)

Goodwill And Other Intangible Assets (Schedule Of Goodwill) (Details)

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Goodwill And Other Intangible Assets (Schedule Of Goodwill) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Goodwill [Line Items]    
Beginning Balance $ 17,745
Increase due to acquisitions   17,745
Increase due to working capital adjustment 345  
Ending Balance 18,090 17,745
Black Diamond [Member]    
Goodwill [Line Items]    
Beginning Balance
Increase due to acquisitions  
Increase due to working capital adjustment  
Ending Balance
Sierra [Member]    
Goodwill [Line Items]    
Beginning Balance 17,745
Increase due to acquisitions   17,745
Increase due to working capital adjustment 345  
Ending Balance $ 18,090 $ 17,745