Commitments and Contingencies - Additional Information (Details) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Jun. 30, 2016
USD ($)
railcar
|
Jun. 30, 2015
USD ($)
|
Jun. 30, 2016
USD ($)
|
Jun. 30, 2015
USD ($)
|
|
| CRNF | ||||
| Long-term Purchase Commitment [Line Items] | ||||
| Lease expense | $ 1.2 | $ 1.2 | $ 2.3 | $ 2.3 |
| HollyFrontier Corporation | ||||
| Long-term Purchase Commitment [Line Items] | ||||
| Expenses related to agreement | 1.1 | 1.0 | 2.5 | 2.3 |
| Material | Linde, Inc. | CRNF | ||||
| Long-term Purchase Commitment [Line Items] | ||||
| Expenses related to agreement | $ 0.9 | $ 0.8 | $ 1.9 | $ 1.6 |
| 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 | |||
| Affiliates | ||||
| Long-term Purchase Commitment [Line Items] | ||||
| Lease agreement, number of railcars | railcar | 115 | |||