Inventory Financing Agreements	6 Months Ended
Jun. 30, 2019
Other Commitments [Abstract]
Inventory Financing Agreements	Inventory Financing Agreements Supply and Offtake Agreements On June 1, 2015, we entered into several agreements with J. Aron to support the operations of our Hawaii refinery (the “Supply and Offtake Agreements”). The Supply and Offtake Agreements mature on May 31, 2021 and have a one-year extension option upon mutual agreement of the parties. Under the Supply and Offtake Agreements, J. Aron may enter into agreements with third parties whereby J. Aron will remit payments to these third parties for refinery procurement contracts for which we will become immediately obligated to reimburse J. Aron. As of June 30, 2019, we had no obligations due to J. Aron under this contractual undertakings agreement. On December 5, 2018, we amended the Supply and Offtake Agreements to account for additional processing capacity expected to be provided through the Hawaii Refinery Expansion. The amendment to the Supply and Offtake Agreements also (i) required us to increase our margin requirements by an aggregate of $2.5 million by making certain additional margin payments on December 19, 2018, March 1, 2019, and June 3, 2019, and (ii) only allows dividends, payments, or other distributions with respect to any equity interests in Par Hawaii Refining, LLC ("PHR") in limited and restricted circumstances. During the term of the Supply and Offtake Agreements, J. Aron and we will identify mutually acceptable contracts for the purchase of crude oil from third parties. Per the Supply and Offtake Agreements, J. Aron will provide up to 150 Mbpd per day of crude oil to our Hawaii refinery. Additionally, we agreed to sell and J. Aron agreed to buy, at market prices, refined products produced at our Hawaii refinery. We will then repurchase the refined products from J. Aron prior to selling the refined products to our retail operations or to third parties. The agreements also provide for the lease of crude oil and certain refined product storage facilities to J. Aron. Following the expiration or termination of the Supply and Offtake Agreements, we are obligated to purchase the crude oil and refined product inventories then owned by J. Aron and located at the leased storage facilities at then-current market prices. Though title to the crude oil and certain refined product inventories resides with J. Aron, the Supply and Offtake Agreements are accounted for similar to a product financing arrangement; therefore, the crude oil and refined products inventories will continue to be included on our condensed consolidated balance sheets until processed and sold to a third party. Each reporting period, we record a liability in an amount equal to the amount we expect to pay to repurchase the inventory held by J. Aron based on current market prices. For the three and six months ended June 30, 2019, we incurred approximately $7.7 million and $13.0 million in handling fees related to the Supply and Offtake Agreements, respectively, which are included in Cost of revenues (excluding depreciation) on our condensed consolidated statements of operations. For the three and six months ended June 30, 2018, we incurred approximately $6.0 million and $10.8 million in handling fees related to the Supply and Offtake Agreements, respectively. For the three and six months ended June 30, 2019, Interest expense and financing costs, net, on our condensed consolidated statements of operations includes approximately $1.4 million and $3.1 million of expenses related to the Supply and Offtake Agreements, respectively. For the three and six months ended June 30, 2018, Interest expense and financing costs, net on our condensed consolidated statements of operations includes approximately $1.3 million and $2.0 million of expenses related to the Supply and Offtake Agreements, respectively. The Supply and Offtake Agreements also include a deferred payment arrangement (“Deferred Payment Arrangement”) whereby we can defer payments owed under the agreements up to the lesser of $165 million or 85% of the eligible accounts receivable and inventory. Upon execution of the Supply and Offtake Agreements, we paid J. Aron a deferral arrangement fee of $1.3 million. The deferred amounts under the Deferred Payment Arrangement bear interest at a rate equal to three-month LIBOR plus 3.50% per annum. We also agreed to pay a deferred payment availability fee equal to 0.75% of the unused capacity under the Deferred Payment Arrangement. Amounts outstanding under the Deferred Payment Arrangement are included in Obligations under inventory financing agreements on our condensed consolidated balance sheets. Changes in the amount outstanding under the Deferred Payment Arrangement are included within Cash flows from financing activities on the condensed consolidated statements of cash flows. As of June 30, 2019 and December 31, 2018, the capacity of the Deferred Payment Arrangement was $142.0 million and $77.4 million, respectively. As of June 30, 2019 and December 31, 2018, we had $126.9 million and $68.4 million outstanding, respectively, under the Deferred Payment Arrangements. Under the Supply and Offtake Agreements, we pay or receive certain fees from J. Aron based on changes in market prices over time. In February 2016, we fixed the market fee for the period from December 1, 2016 through May 31, 2018 for $14.6 million to be settled in eighteen equal monthly payments. In 2017, we fixed the market fee for the period from June 1, 2018 through May 2021 for an additional $2.2 million. The receivable from J. Aron was recorded as a reduction to our Obligations under inventory financing agreements pursuant to our Master Netting Agreement. As of June 30, 2019 and December 31, 2018, the receivable was $1.0 million and $2.5 million, respectively. Washington Refinery Intermediation Agreement In connection with the consummation of the Washington Acquisition, we became a party to the Washington Refinery Intermediation Agreement with MLC that provides a structured financing arrangement based on U.S. Oil’s crude oil and refined products inventories and associated accounts receivable. Under this arrangement, U.S. Oil purchases crude oil supplied from third-party suppliers and MLC provides credit support for such crude oil purchases. MLC’s credit support can consist of either providing a payment guaranty, causing the issuance of a letter of credit from a third-party issuing bank, or purchasing crude oil directly from third parties on our behalf. U.S. Oil holds title to all crude oil and refined products inventories at all times and pledges such inventories, together with all receivables arising from the sales of same, exclusively to MLC. The Washington Refinery Intermediation Agreement expires on December 31, 2019. During the remaining term of the Washington Refinery Intermediation Agreement, MLC will make receivable advances to U.S. Oil based on an advance rate of 95% of eligible receivables, up to a total receivables advance maximum of $90.0 million (the “MLC receivable advances”), and additional advances based on crude oil and products inventories. Changes in the amount outstanding under the MLC receivable advances are included within Cash flows from financing activities on the condensed consolidated statements of cash flows. The MLC receivable advances bear interest at a rate equal to three-month LIBOR plus 3.25% per annum. We also agreed to pay an availability fee equal to 1.50% of the unused capacity under the MLC receivable advances. As of June 30, 2019, our outstanding balance under MLC receivable advances was equal to our borrowing base of $62.5 million. Additionally, as of June 30, 2019, we had approximately $65.9 million in letters of credit outstanding through MLC’s credit support. For the three and six months ended June 30, 2019, we incurred approximately $0.9 million and $1.7 million in handling fees, respectively, related to the Washington Refinery Intermediation Agreement, which are included in Cost of revenues (excluding depreciation) on our condensed consolidated statements of operations. For the three and six months ended June 30, 2019, Interest expense and financing costs, net on our condensed consolidated statements of operations includes approximately $1.5 million and $2.8 million of expenses, respectively, related to the Washington Refinery Intermediation Agreement. The Supply and Offtake Agreements and the Washington Refinery Intermediation Agreement also provide us with the ability to economically hedge price risk on our inventories and crude oil purchases. Please read Note 10—Derivatives for further information.

Inventory Financing Agreements

Supply and Offtake Agreements

On June 1, 2015, we entered into several agreements with J. Aron to support the operations of our Hawaii refinery (the “Supply and Offtake Agreements”). The Supply and Offtake Agreements mature on May 31, 2021 and have a one-year extension option upon mutual agreement of the parties. Under the Supply and Offtake Agreements, J. Aron may enter into agreements with third parties whereby J. Aron will remit payments to these third parties for refinery procurement contracts for which we will become immediately obligated to reimburse J. Aron. As of June 30, 2019, we had no obligations due to J. Aron under this contractual undertakings agreement. On December 5, 2018, we amended the Supply and Offtake Agreements to account for additional processing capacity expected to be provided through the Hawaii Refinery Expansion. The amendment to the Supply and Offtake Agreements also (i) required us to increase our margin requirements by an aggregate of $2.5 million by making certain additional margin payments on December 19, 2018, March 1, 2019, and June 3, 2019, and (ii) only allows dividends, payments, or other distributions with respect to any equity interests in Par Hawaii Refining, LLC ("PHR") in limited and restricted circumstances.

During the term of the Supply and Offtake Agreements, J. Aron and we will identify mutually acceptable contracts for the purchase of crude oil from third parties. Per the Supply and Offtake Agreements, J. Aron will provide up to 150 Mbpd per day of crude oil to our Hawaii refinery. Additionally, we agreed to sell and J. Aron agreed to buy, at market prices, refined products produced at our Hawaii refinery. We will then repurchase the refined products from J. Aron prior to selling the refined products to our retail operations or to third parties. The agreements also provide for the lease of crude oil and certain refined product storage facilities to J. Aron. Following the expiration or termination of the Supply and Offtake Agreements, we are obligated to purchase the crude oil and refined product inventories then owned by J. Aron and located at the leased storage facilities at then-current market prices.

Though title to the crude oil and certain refined product inventories resides with J. Aron, the Supply and Offtake Agreements are accounted for similar to a product financing arrangement; therefore, the crude oil and refined products inventories will continue to be included on our condensed consolidated balance sheets until processed and sold to a third party. Each reporting period, we record a liability in an amount equal to the amount we expect to pay to repurchase the inventory held by J. Aron based on current market prices.

For the three and six months ended June 30, 2019, we incurred approximately $7.7 million and $13.0 million in handling fees related to the Supply and Offtake Agreements, respectively, which are included in Cost of revenues (excluding depreciation) on our condensed consolidated statements of operations. For the three and six months ended June 30, 2018, we incurred approximately $6.0 million and $10.8 million in handling fees related to the Supply and Offtake Agreements, respectively. For the three and six months ended June 30, 2019, Interest expense and financing costs, net, on our condensed consolidated statements of operations includes approximately $1.4 million and $3.1 million of expenses related to the Supply and Offtake Agreements, respectively. For the three and six months ended June 30, 2018, Interest expense and financing costs, net on our condensed consolidated statements of operations includes approximately $1.3 million and $2.0 million of expenses related to the Supply and Offtake Agreements, respectively.

The Supply and Offtake Agreements also include a deferred payment arrangement (“Deferred Payment Arrangement”) whereby we can defer payments owed under the agreements up to the lesser of $165 million or 85% of the eligible accounts receivable and inventory. Upon execution of the Supply and Offtake Agreements, we paid J. Aron a deferral arrangement fee of $1.3 million. The deferred amounts under the Deferred Payment Arrangement bear interest at a rate equal to three-month LIBOR plus 3.50% per annum. We also agreed to pay a deferred payment availability fee equal to 0.75% of the unused capacity under the Deferred Payment Arrangement. Amounts outstanding under the Deferred Payment Arrangement are included in Obligations under inventory financing agreements on our condensed consolidated balance sheets. Changes in the amount outstanding under the Deferred Payment Arrangement are included within Cash flows from financing activities on the condensed consolidated statements of cash flows. As of June 30, 2019 and December 31, 2018, the capacity of the Deferred Payment Arrangement was $142.0 million and $77.4 million, respectively. As of June 30, 2019 and December 31, 2018, we had $126.9 million and $68.4 million outstanding, respectively, under the Deferred Payment Arrangements.

Under the Supply and Offtake Agreements, we pay or receive certain fees from J. Aron based on changes in market prices over time. In February 2016, we fixed the market fee for the period from December 1, 2016 through May 31, 2018 for $14.6 million to be settled in eighteen equal monthly payments. In 2017, we fixed the market fee for the period from June 1, 2018 through May 2021 for an additional $2.2 million. The receivable from J. Aron was recorded as a reduction to our Obligations under inventory financing agreements pursuant to our Master Netting Agreement. As of June 30, 2019 and December 31, 2018, the receivable was $1.0 million and $2.5 million, respectively.

Washington Refinery Intermediation Agreement

In connection with the consummation of the Washington Acquisition, we became a party to the Washington Refinery Intermediation Agreement with MLC that provides a structured financing arrangement based on U.S. Oil’s crude oil and refined products inventories and associated accounts receivable. Under this arrangement, U.S. Oil purchases crude oil supplied from third-party suppliers and MLC provides credit support for such crude oil purchases. MLC’s credit support can consist of either providing a payment guaranty, causing the issuance of a letter of credit from a third-party issuing bank, or purchasing crude oil directly from third parties on our behalf. U.S. Oil holds title to all crude oil and refined products inventories at all times and pledges such inventories, together with all receivables arising from the sales of same, exclusively to MLC. The Washington Refinery Intermediation Agreement expires on December 31, 2019.

During the remaining term of the Washington Refinery Intermediation Agreement, MLC will make receivable advances to U.S. Oil based on an advance rate of 95% of eligible receivables, up to a total receivables advance maximum of $90.0 million (the “MLC receivable advances”), and additional advances based on crude oil and products inventories. Changes in the amount outstanding under the MLC receivable advances are included within Cash flows from financing activities on the condensed consolidated statements of cash flows. The MLC receivable advances bear interest at a rate equal to three-month LIBOR plus 3.25% per annum. We also agreed to pay an availability fee equal to 1.50% of the unused capacity under the MLC receivable advances. As of June 30, 2019, our outstanding balance under MLC receivable advances was equal to our borrowing base of $62.5 million. Additionally, as of June 30, 2019, we had approximately $65.9 million in letters of credit outstanding through MLC’s credit support.

For the three and six months ended June 30, 2019, we incurred approximately $0.9 million and $1.7 million in handling fees, respectively, related to the Washington Refinery Intermediation Agreement, which are included in Cost of revenues (excluding depreciation) on our condensed consolidated statements of operations. For the three and six months ended June 30, 2019, Interest expense and financing costs, net on our condensed consolidated statements of operations includes approximately $1.5 million and $2.8 million of expenses, respectively, related to the Washington Refinery Intermediation Agreement.

The Supply and Offtake Agreements and the Washington Refinery Intermediation Agreement also provide us with the ability to economically hedge price risk on our inventories and crude oil purchases. Please read Note 10—Derivatives for further information.