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Description of Business - Additional Information (Details) - Segment
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Significant Accounting Policies [Line Items]        
Number of operating segments     1  
Sales Revenue, Net | Customer Concentration Risk | Customers Located Outside Of United States        
Significant Accounting Policies [Line Items]        
Sales revenue percentage 10.00% 2.00% 10.00% 3.00%