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Segment Reporting and Significant Customer Information - Narrative (Details) - segment
9 Months Ended 12 Months Ended
Sep. 30, 2017
Dec. 31, 2016
Segments (Textual) [Abstract]    
Number of reportable operating segments 3  
Customer One | Accounts Receivable | Credit Concentration Risk    
Concentration Risk [Line Items]    
Concentration risk percentage   16.00%