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Goodwill and Intangibles (Narrative) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Goodwill $ 36,241   $ 36,241   $ 931
Amortization expense 1,646 $ 807 3,039 $ 1,533  
Amortization expense 2017 6,200   6,200    
Amortization expense 2018 6,300   6,300    
Amortization expense 2019 6,300   6,300    
Amortization expense 2020 6,300   6,300    
Amortization expense 2021 6,300   6,300    
Electronics [Member]          
Goodwill $ 36,241   $ 36,241   $ 931