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Goodwill and Intangibles (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Goodwill [Line Items]          
Amortization of Intangible Assets $ 482,000 $ 13,000 $ 1,366,000 $ 38,000  
Goodwill 22,957,000   22,957,000   $ 2,403,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Goodwill $ 20,554,000   20,554,000    
Goodwill, Impairment Loss     $ 0 $ 0