v3.3.1.900
Summary of Significant Accounting Policies (Details 1)
$ in Millions
12 Months Ended
Dec. 31, 2015
USD ($)
customer
Dec. 31, 2014
USD ($)
customer
Accounts Receivable, net    
Outstanding checks included in current accounts payable | $ $ 1.9 $ 2.0
Accounts receivable excluding accounts receivable from affiliates | Customer concentration    
Accounts Receivable, net    
Number of customers | customer 1 1,000
Percentage of concentration risk 14.00% 28.00%