v3.5.0.2
Commitments and Contingencies - Additional Information (Details)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2016
USD ($)
Jun. 30, 2016
railcar
Sep. 30, 2015
USD ($)
Sep. 30, 2016
USD ($)
Sep. 30, 2015
USD ($)
Dec. 31, 2015
lawsuit
CRNF            
Long-term Purchase Commitment [Line Items]            
Lease expense $ 1.3   $ 1.2 $ 3.6 $ 3.5  
Linde, Inc. | CRNF            
Long-term Purchase Commitment [Line Items]            
Expenses related to agreement 1.0   0.9 2.9 2.6  
HollyFrontier Corporation | CRNF            
Long-term Purchase Commitment [Line Items]            
Expenses related to agreement 1.1   $ 1.0 $ 3.6 $ 3.3  
CVR Refining, LP | Purchase obligation for pet coke            
Long-term Purchase Commitment [Line Items]            
Period for calculation of the average pet coke price paid to CVR Refining       2 years    
Jo-Carroll Energy, Inc            
Long-term Purchase Commitment [Line Items]            
Expenses related to agreement $ 2.5     $ 4.3    
Affiliates            
Long-term Purchase Commitment [Line Items]            
Lease arrangement, number of railcars to be leased | railcar   115        
Merger Lawsuits            
Long-term Purchase Commitment [Line Items]            
Number of lawsuits filed | lawsuit           2