Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

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The number of units or percentage investment held by one or more members or limited partners of the LLC or LP.

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The number of limited partner units issued.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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-Name Regulation S-X (SX)

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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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The net cash outflow or inflow associated with the acquisition or sale of a business segment during the period.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Barrels per day of active storage capacity

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Number of miles of active pipeline.

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Organization (Details) bbl in Millions, $ in Millions	1 Months Ended	6 Months Ended
Organization (Details) bbl in Millions, $ in Millions	Oct. 31, 2014 USD ($)	Jun. 30, 2015 USD ($) operating_segments mi bbl	Feb. 11, 2015 USD ($)	Oct. 15, 2014 USD ($) shares	Oct. 16, 2013 USD ($)
Related Party Transaction [Line Items]
Pipeline, Miles \| mi		300
Active Storage Capacity \| bbl		8.1
Segment Reporting, Number of Business Segments \| operating_segments		2
Public [Member]
Related Party Transaction [Line Items]
Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest		33.90%
Western Refining, Inc. [Member]
Related Party Transaction [Line Items]
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest		100.00%
Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest	66.20%	66.10%
Western Refining Wholesale, LLC [Member]
Related Party Transaction [Line Items]
Payments for (Proceeds from) Businesses and Interest in Affiliates	$ 51.0
Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest	66.20%
Payments to Acquire Businesses, Gross	$ 320.0
Common Units [Member] \| Western Refining Wholesale, LLC [Member]
Related Party Transaction [Line Items]
Limited Partners' Capital Account, Units Issued \| shares				1,160,092
Revolving Credit Agreement - WNRL [Member] \| Revolving Credit Facility [Member]
Related Party Transaction [Line Items]
Long-term Line of Credit		$ 0.0	$ 269.0	$ 269.0
Line of Credit Facility, Current Borrowing Capacity					$ 300.0