Initial Public Offering (Details) (USD $)	0 Months Ended	3 Months Ended		0 Months Ended			0 Months Ended		3 Months Ended	0 Months Ended
	Oct. 15, 2013	Mar. 31, 2014	Mar. 31, 2013	Oct. 15, 2013 Public [Member]	Oct. 15, 2013 Common Units [Member]	Oct. 16, 2013 Common Units [Member]	Oct. 15, 2013 Common Units [Member] Public [Member]	Oct. 15, 2013 Western Refining, Inc. [Member]	Mar. 31, 2014 Western Refining, Inc. [Member]	Oct. 15, 2013 Western Refining, Inc. [Member] Common Units [Member]	Oct. 15, 2013 Western Refining, Inc. [Member] Subordinated Units [Member]	Oct. 16, 2013 Revolving Credit Facility [Member] Revolving Credit Agreement [Member]
Other Ownership Interests [Line Items]
Partners' Capital Account, Units, Sold in Public Offering				15,812,500			15,812,500			6,998,500	22,811,000
Sale of Stock, Price Per Share						$ 22.00
Proceeds from Issuance of Common Limited Partners Units					$ 347,900,000
Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest				34.70%				65.30%	65.30%
Cash distributed to Western		3,806,000	0					244,900,000
Line of Credit Facility, Current Borrowing Capacity												300,000,000
Proceeds from the Sale of Common Units, Net						325,300,000
Underwriting Discounts Relating to Issuance of Shares	22,600,000
Retained for general partnership purposes	75,700,000
Offering expenses	$ 2,100,000