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Inventory Financing Agreements (Textual) (Detail) barrel / d in Thousands |  | 3 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Jun. 01, 2015 USD ($) barrel / d extension | Mar. 31, 2017 USD ($) | Mar. 31, 2016 USD ($) | Dec. 31, 2016 USD ($) | Feb. 29, 2016 USD ($) installment | Sep. 01, 2015 USD ($) payment
Supply Commitment [Line Items] |  |  |  |  |  |
Supply and exchange agreement expenses |  | $ 8,942,000 | $ 4,613,000 |  |  |
Supply and Offtake Agreements |  |  |  |  |  |
Supply Commitment [Line Items] |  |  |  |  |  |
Agreement term | 3 years |  |  |  |  |
Number of commitment extensions | extension | 2 |  |  |  |  |
Commitment period | 1 year |  |  |  |  |
Barrels of crude per day provided by J. Aron | barrel / d | 94 |  |  |  |  |
Handling fees |  | 3,100,000 | 1,900,000 |  |  |
Supply and exchange agreement expenses |  | 800,000 | $ 600,000 |  |  |
Amount of deferred payment arrangement | $ 125,000,000 |  |  |  |  |
Percentage of receivables and inventory for deferred payment arrangement | 85.00% |  |  |  |  |
Deferral arrangement fee | $ 1,300,000 |  |  |  |  |
Description of Variable Rate Basis | 90 |  |  |  |  |
Capacity of deferred payment arrangement |  | 55,400,000 |  | $ 59,400,000 |  |
Outstanding amount of deferred payment arrangement |  | 41,400,000 |  | 43,300,000 |  |
Fee agreement receivable |  |  |  |  | $ 14,600,000 | $ 18,000,000
Number of fee agreement payments |  |  |  |  | 18 | 14
Fee agreement receivable |  | $ 12,200,000 |  | $ 14,600,000 |  |
London Interbank Offered Rate (LIBOR) | Supply and Offtake Agreements |  |  |  |  |  |
Supply Commitment [Line Items] |  |  |  |  |  |
Margin on LIBOR rate | 3.75% |  |  |  |  |
Deferred payment availability fee | 0.75% |  |  |  |  |

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