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Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |
Amortization period of planned major maintenance activities, minimum | 3 years |  |
Amortization period of planned major maintenance activities, maximum | 5 years |  |
Deferred turnaround expenditures | $ 32,661 | $ 0 | $ 0
Refining Equipment | Minimum |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |
PP&E useful life | 8 years |  |
Refining Equipment | Maximum |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |
PP&E useful life | 47 years |  |
Logistic | Minimum |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |
PP&E useful life | 3 years |  |
Logistic | Maximum |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |
PP&E useful life | 30 years |  |
Retail Site | Minimum |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |
PP&E useful life | 14 years |  |
Retail Site | Maximum |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |
PP&E useful life | 18 years |  |
Corporate | Minimum |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |
PP&E useful life | 3 years |  |
Corporate | Maximum |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |
PP&E useful life | 7 years |  |
Software |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |
PP&E useful life | 3 years |  |

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