Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Concentration of Credit Risk and Significant Customers (Details)

v3.5.0.2
Summary of Significant Accounting Policies - Concentration of Credit Risk and Significant Customers (Details) - Customer Concentration Risk
9 Months Ended 12 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Third-Party Customer | Trade Accounts Receivable      
Concentration Risk [Line Items]      
Concentration risk, percentage 12.00%    
Third-Party Customer | Sales Revenue, Net      
Concentration Risk [Line Items]      
Concentration risk, percentage 12.00% 14.00%  
Related Party Customer | Trade Accounts Receivable      
Concentration Risk [Line Items]      
Concentration risk, percentage 59.00%   56.00%
Related Party Customer | Sales Revenue, Net      
Concentration Risk [Line Items]      
Concentration risk, percentage 56.00% 44.00%