Initial Public Offering (Details) (USD $)	0 Months Ended	12 Months Ended
	Oct. 15, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Oct. 16, 2013
Other Ownership Interests [Line Items]
Proceeds from the Sale of Common Units, Net					$ 325,300,000
Underwriting Discounts Relating to Issuance of Shares	22,600,000	22,612,000	0	0
Working Capital, Retained after IPO	75,683,000
Partners' Capital Account, Units, Sold in Public Offering, Over-Allotment Option					2,062,500
Sale of Stock, Price Per Share					$ 22.00
Payments of Stock Issuance Costs	2,117,000	2,117,000	0	0
Public [Member]
Other Ownership Interests [Line Items]
Partners' Capital Account, Units, Sold in Public Offering	15,812,500
Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest	34.70%
Western Refining, Inc. [Member]
Other Ownership Interests [Line Items]
Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest	65.30%	65.30%
Common Units [Member] | Western Refining, Inc. [Member]
Other Ownership Interests [Line Items]
Partners' Capital Account, Units, Sold in Public Offering	6,998,500
Subordinated Units [Member] | Western Refining, Inc. [Member]
Other Ownership Interests [Line Items]
Partners' Capital Account, Units, Sold in Public Offering	22,811,000
Revolving Credit Agreement [Member]
Other Ownership Interests [Line Items]
Line of Credit Facility, Current Borrowing Capacity					$ 300,000,000