v3.5.0.2
Related Party Transactions - Feedstock and Shared Services Agreement (Details)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Apr. 30, 2011
Sep. 30, 2016
USD ($)
Sep. 30, 2015
USD ($)
Sep. 30, 2016
USD ($)
affiliate
Sep. 30, 2015
USD ($)
Dec. 31, 2015
USD ($)
Related Party Transaction [Line Items]            
Number of parties | affiliate       2    
Revenue from related party   $ 78,474 $ 49,325 $ 271,363 $ 223,190  
Receivables   701   701   $ 883
Other long-term assets, with affiliates   643   643   777
Accounts payable, due to affiliates   1,980   1,980   1,940
Feedstock and Shared Services Agreement | Hydrogen | CRRM            
Related Party Transaction [Line Items]            
Receivables   300   300   500
Feedstock and Shared Services Agreement | Hydrogen | CRNF | CRRM            
Related Party Transaction [Line Items]            
Revenue from related party   1,200 $ 500 2,900 $ 9,000  
Feedstock and Shared Services Agreement | Tail gas | CRNF | CRRM            
Related Party Transaction [Line Items]            
Receivables   200   200   200
Percentage of payment agreed to be paid for cost of capital in fourth year 15.00%          
Period for payment of cost of installation of pipe 4 years          
Other long-term assets, with affiliates   600   600   800
Feedstock and Shared Services Agreement | Products and services, excluding hydrogen and tail gas            
Related Party Transaction [Line Items]            
Receivables   100   100   200
Accounts payable, due to affiliates   $ 800   $ 800   $ 700