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Acquisition Of ClearPointt Logistics LLC (Schedule Of Intangible Assets Acquired) (Details) - ClearPointt [Member] - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Jul. 27, 2015
Acquired Finite-Lived Intangible Assets [Line Items]    
Intangibles, Amount   $ 1,188
Tradename [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Intangibles, Amount   568
Intangibles, Estimated Life 5 years  
Customer Relationships [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Intangibles, Amount   $ 620
Intangibles, Estimated Life 8 years