Equity (Equity Rollforward) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2016	Mar. 31, 2015
Schedule of Capitalization, Equity [Line Items]
Partners' Capital	$ (68,423)
Partners' Capital Account, Unit-based Compensation	41
Distribution Made to Limited Partner, Cash Distributions Declared	(19,310)
Net Income (Loss) Allocated to Limited Partners	14,007	$ 15,323
Partners' Capital	(73,685)
Common Units [Member]
Schedule of Capitalization, Equity [Line Items]
Distribution Made to Limited Partner, Cash Distributions Declared	(9,595)	(7,974)
Subordinated Units [Member]
Schedule of Capitalization, Equity [Line Items]
Distribution Made to Limited Partner, Cash Distributions Declared	(8,954)	$ (7,585)
Public [Member] \| Common Units [Member] \| Limited Partner [Member]
Schedule of Capitalization, Equity [Line Items]
Partners' Capital	327,351
Partners' Capital Account, Unit-based Compensation	41
Distribution Made to Limited Partner, Cash Distributions Declared	(6,228)
Net Income (Loss) Allocated to Limited Partners	4,704
Partners' Capital	325,868
Western Refining, Inc. [Member] \| General Partner [Member]
Schedule of Capitalization, Equity [Line Items]
Partners' Capital	(1,085)
Partners' Capital Account, Unit-based Compensation	0
Distribution Made to Limited Partner, Cash Distributions Declared	(761)
Net Income (Loss) Allocated to Limited Partners	0
Partners' Capital	(1,846)
Western Refining, Inc. [Member] \| Common Units [Member] \| Limited Partner [Member]
Schedule of Capitalization, Equity [Line Items]
Partners' Capital	(105,090)
Partners' Capital Account, Unit-based Compensation	0
Distribution Made to Limited Partner, Cash Distributions Declared	(3,367)
Net Income (Loss) Allocated to Limited Partners	2,542
Partners' Capital	(105,915)
Western Refining, Inc. [Member] \| Subordinated Units [Member] \| Limited Partner [Member]
Schedule of Capitalization, Equity [Line Items]
Partners' Capital	(289,289)
Partners' Capital Account, Unit-based Compensation	0
Distribution Made to Limited Partner, Cash Distributions Declared	(8,954)
Net Income (Loss) Allocated to Limited Partners	6,761
Partners' Capital	(291,482)
Preferred Partner [Member] \| Western Refining, Inc. [Member]
Schedule of Capitalization, Equity [Line Items]
Partners' Capital	(310)
Partners' Capital Account, Unit-based Compensation	0
Distribution Made to Limited Partner, Cash Distributions Declared	0
Net Income (Loss) Allocated to Limited Partners	0
Partners' Capital	$ (310)

Amount of equity impact of cash distribution declared to unit-holder of limited partnership (LP).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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Aggregate amount of net income allocated to limited partners.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770

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The amount of ownership interest of different classes of partners in limited partnership.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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Total change in each class of partners' capital accounts during the year due to unit-based compensation. All partners include general, limited and preferred partners.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 5
-Subparagraph (SAB Topic 4.F)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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