Equity - Narrative (Details)		3 Months Ended				12 Months Ended
	Oct. 16, 2013	Dec. 31, 2015 USD ($) $ / shares shares bbl	Sep. 30, 2015 $ / shares shares	Jun. 30, 2015 $ / shares	Mar. 31, 2015 $ / shares shares	Dec. 31, 2015 USD ($) $ / shares shares	Dec. 31, 2014 USD ($) $ / shares shares	Dec. 31, 2013 USD ($) $ / shares	Oct. 30, 2015	Oct. 15, 2014 shares
Capital Unit [Line Items]
Cash distributions declared per common unit | $ / shares		$ 0.3825	$ 0.3650	$ 0.3475	$ 0.3325	$ 1.4275	$ 1.1632	$ 0
Equity or Debt Securities, Registration Statement | $		$ 1,000,000,000				$ 1,000,000,000
Common Units [Member]
Capital Unit [Line Items]
Limited Partners' Capital Account, Units Issued | shares										1,160,092
Distribution Made to Limited Partner, Cash Distributions Declared | $						34,436,000	$ 26,902,000	$ 0
Subordinated Units [Member]
Capital Unit [Line Items]
Distribution Made to Limited Partner, Cash Distributions Declared | $						32,563,000	26,534,000	0
TexNew Mex Units [Member]
Capital Unit [Line Items]
Distribution Made to Limited Partner, Cash Distributions Declared | $						$ 310,000	$ 0	$ 0
Western Refining, Inc. [Member]
Capital Unit [Line Items]
Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest	65.30%					66.40%
Western Refining, Inc. [Member] | Common Units [Member]
Capital Unit [Line Items]
Limited Partners' Capital Account, Units Outstanding | shares		8,579,623				8,579,623	8,158,592
Western Refining, Inc. [Member] | Subordinated Units [Member]
Capital Unit [Line Items]
Limited Partners' Capital Account, Units Outstanding | shares		22,811,000				22,811,000	22,811,000
Western Refining, Inc. [Member] | TexNew Mex Units [Member]
Capital Unit [Line Items]
Limited Partners' Capital Account, Units Outstanding | shares		80,000				80,000	0
Public [Member]
Capital Unit [Line Items]
Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest	34.70%
Public [Member] | Common Units [Member]
Capital Unit [Line Items]
Limited Partners' Capital Account, Units Outstanding | shares		15,866,761				15,866,761	15,823,408
Phantom Share Units (PSUs) [Member] | WNRL 2013 LTIP [Member]
Capital Unit [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period | shares			8,605		34,748
TexNew Mex 16 inch pipeline [Member]
Capital Unit [Line Items]
Long-term Purchase Commitment, Minimum Volume Required | bbl		13,000
TexNew Mex 16 inch pipeline [Member] | Common Units [Member]
Capital Unit [Line Items]
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable | $		$ 421,031
TexNew Mex 16 inch pipeline [Member] | TexNew Mex Units [Member]
Capital Unit [Line Items]
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable | $		$ 80,000
TexNew Mex 16 inch pipeline [Member] | Western Refining, Inc. [Member]
Capital Unit [Line Items]
Economic Rights, Crude Oil Throughput, Percent									80.00%