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Goodwill and Intangible Assets Intangible Assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]    
Expected annual intangible amortization expense $ 700  
Customer relationships, Accumulated amortization (753) $ (210)
Intangible assets [Abstract]    
Intangible Assets, Gross (Excluding Goodwill) 16,300 10,300
Intangible Assets, Net (Excluding Goodwill) 15,547 10,090
Trade names and trademarks [Member]    
Indefinite-lived Intangible Assets [Line Items]    
Trade names and trademarks, Gross carrying amount $ 8,900 8,900
Customer Relationships [Member]    
Finite-Lived Intangible Assets [Line Items]    
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 11 years  
Finite-Lived Intangible Assets, Gross $ 7,400 1,400
Customer relationships, Accumulated amortization (753) (210)
Finite-Lived Intangible Assets, Net $ 6,647 $ 1,190