Debt (Notes)	12 Months Ended
Dec. 31, 2014
Long-term Debt, Unclassified [Abstract]
Debt Disclosure [Text Block]	14. Debt Revolving Credit Facility Our $300.0 million senior secured Revolving Credit Facility matures on October 16, 2018. We have the ability to increase the total commitment of our Revolving Credit Facility by up to $200.0 million for a total facility size of up to $500.0 million, subject to receiving increased commitments from lenders and to the satisfaction of certain conditions. The Revolving Credit Facility includes a $25.0 million sub-limit for standby letters of credit and a $10.0 million sub-limit for swing line loans. Obligations under the Revolving Credit Facility and certain cash management and hedging obligations are guaranteed by all of our subsidiaries and are secured by a first priority lien on substantially all of our and our subsidiaries' significant assets. Our creditors under the Revolving Credit Facility have no recourse to Western's assets. Borrowings under our Revolving Credit Facility bear interest at either a base rate plus an applicable margin ranging from 0.75% to 1.75%, or at LIBOR plus an applicable margin ranging from 1.75% to 2.75%. The applicable margin will vary based on our Consolidated Total Leverage Ratio, as defined in the Revolving Credit Facility. On October 15, 2014, to fund a portion of the cash payment to purchase the outstanding limited liability company interests of WRW from Western, we borrowed $269.0 million under our Revolving Credit Facility. As of December 31, 2014, the availability under the WNRL Revolving Credit Facility was $31.0 million. We had direct borrowings of $269.0 million and no swing line borrowings and no letters of credit outstanding under our Revolving Credit Facility as of December 31, 2014. The estimated fair value of the Revolving Credit Facility approximates its carrying amount. The Revolving Credit Facility contains covenants that limit or restrict our ability to make cash distributions. We are required to maintain certain financial ratios, each tested on a quarterly basis for the immediately preceding four quarter period. 7.5% Senior Notes On February 11, 2015, we entered into an Indenture (the “Indenture”) among the Partnership, WNRL Finance Corp., a Delaware corporation and wholly-owned subsidiary of the Partnership (“Finance Corp.” and together with the Partnership, the “Issuers”), the Guarantors named therein and U.S. Bank National Association, as trustee (the “Trustee”) under which the Issuers issued $300.0 million in aggregate principal amount of 7.5% Senior Notes due 2023. The Partnership will pay interest on the Notes semi-annually in cash in arrears on February 15 and August 15 of each year, beginning on August 15, 2015. The Notes will mature on February 15, 2023. Proceeds from the 7.5% Senior Notes were used to repay $269.0 million of then outstanding borrowings under our Revolving Credit Facility. The Indenture contains covenants that limit WNRL’s and its restricted subsidiaries’ ability to, among other things: (i) incur, assume or guarantee additional indebtedness or issue preferred units, (ii) create liens to secure indebtedness, (iii) pay distributions on equity securities, repurchase equity securities or redeem subordinated indebtedness, (iv) make investments, (v) restrict distributions, loans or other asset transfers from the Partnership’s restricted subsidiaries, (vi) consolidate with or merge with or into, or sell substantially all of the Partnership’s properties to, another person, (vii) sell or otherwise dispose of assets, including equity interests in subsidiaries and (viii) enter into transactions with affiliates. These covenants are subject to a number of important limitations and exceptions. The Indenture also provides for events of default, which, if any of them occurs, would permit or require the principal, premium, if any, and interest on all the then outstanding Notes to be due and payable immediately.

14. Debt

Revolving Credit Facility

Our $300.0 million senior secured Revolving Credit Facility matures on October 16, 2018. We have the ability to increase the total commitment of our Revolving Credit Facility by up to $200.0 million for a total facility size of up to $500.0 million, subject to receiving increased commitments from lenders and to the satisfaction of certain conditions. The Revolving Credit Facility includes a $25.0 million sub-limit for standby letters of credit and a $10.0 million sub-limit for swing line loans. Obligations under the Revolving Credit Facility and certain cash management and hedging obligations are guaranteed by all of our subsidiaries and are secured by a first priority lien on substantially all of our and our subsidiaries' significant assets. Our creditors under the Revolving Credit Facility have no recourse to Western's assets. Borrowings under our Revolving Credit Facility bear interest at either a base rate plus an applicable margin ranging from 0.75% to 1.75%, or at LIBOR plus an applicable margin ranging from 1.75% to 2.75%. The applicable margin will vary based on our Consolidated Total Leverage Ratio, as defined in the Revolving Credit Facility. On October 15, 2014, to fund a portion of the cash payment to purchase the outstanding limited liability company interests of WRW from Western, we borrowed $269.0 million under our Revolving Credit Facility. As of December 31, 2014, the availability under the WNRL Revolving Credit Facility was $31.0 million. We had direct borrowings of $269.0 million and no swing line borrowings and no letters of credit outstanding under our Revolving Credit Facility as of December 31, 2014. The estimated fair value of the Revolving Credit Facility approximates its carrying amount.

The Revolving Credit Facility contains covenants that limit or restrict our ability to make cash distributions. We are required to maintain certain financial ratios, each tested on a quarterly basis for the immediately preceding four quarter period.

7.5% Senior Notes

On February 11, 2015, we entered into an Indenture (the “Indenture”) among the Partnership, WNRL Finance Corp., a Delaware corporation and wholly-owned subsidiary of the Partnership (“Finance Corp.” and together with the Partnership, the “Issuers”), the Guarantors named therein and U.S. Bank National Association, as trustee (the “Trustee”) under which the Issuers issued $300.0 million in aggregate principal amount of 7.5% Senior Notes due 2023. The Partnership will pay interest on the Notes semi-annually in cash in arrears on February 15 and August 15 of each year, beginning on August 15, 2015. The Notes will mature on February 15, 2023. Proceeds from the 7.5% Senior Notes were used to repay $269.0 million of then outstanding borrowings under our Revolving Credit Facility.

The Indenture contains covenants that limit WNRL’s and its restricted subsidiaries’ ability to, among other things: (i) incur, assume or guarantee additional indebtedness or issue preferred units, (ii) create liens to secure indebtedness, (iii) pay distributions on equity securities, repurchase equity securities or redeem subordinated indebtedness, (iv) make investments, (v) restrict distributions, loans or other asset transfers from the Partnership’s restricted subsidiaries, (vi) consolidate with or merge with or into, or sell substantially all of the Partnership’s properties to, another person, (vii) sell or otherwise dispose of assets, including equity interests in subsidiaries and (viii) enter into transactions with affiliates. These covenants are subject to a number of important limitations and exceptions. The Indenture also provides for events of default, which, if any of them occurs, would permit or require the principal, premium, if any, and interest on all the then outstanding Notes to be due and payable immediately.