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Goodwill and Intangibles (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Dec. 31, 2016
Goodwill $ 38,224   $ 38,224   $ 931
Amortization expense 1,711 $ 869 4,750 $ 2,402  
Amortization expense 2017 6,500   6,500    
Amortization expense 2018 6,800   6,800    
Amortization expense 2019 6,800   6,800    
Amortization expense 2020 6,800   6,800    
Amortization expense 2021 6,800   6,800    
Electronics [Member]          
Goodwill $ 38,224   $ 38,224   $ 931