Equity (Details)	6 Months Ended				0 Months Ended	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014 General Partner [Member]	Mar. 31, 2014 Public [Member] Common Units [Member]	Oct. 15, 2013 Western Refining, Inc. [Member]	Mar. 31, 2014 Western Refining, Inc. [Member]	Mar. 31, 2014 Western Refining, Inc. [Member] Common Units [Member]	Mar. 31, 2014 Western Refining, Inc. [Member] Subordinated Units [Member]
Capital Unit [Line Items]
Limited Partners' Capital Account, Units Outstanding		0		15,812,500			6,998,500	22,811,000
Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest					65.30%	65.30%
Stock Issued During Period, Shares, New Issues	0
Incentive Cash Distribution Allocation			100.00%