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Goodwill and Intangibles - Amortization (Details) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Goodwill And Intangible Assets Disclosure [Abstract]    
2017 $ 100  
2018 100  
Net Book Value 200 $ 645
Goodwill $ 5,475 $ 5,475