For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Net amount of long-term deferred finance costs capitalized at the end of the reporting period.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Expected term of share-based compensation awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Cash and Cash Equivalents, Short-Term Investments, Maturity Duration

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Pipeline Loss Allowance, Subtraction per Barrel from Month's Calendar Day Average for WTI Crude Oil

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Summary of Accounting Policies - Narrative (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($) $ / Barrel	Dec. 31, 2014 USD ($)	Dec. 31, 2013
Related Party Transaction [Line Items]
Deferred revenue - affiliate	$ 10,130	$ 6,779
Pipeline Loss Allowance	0.20%
Pipeline Loss Allowance, Subtraction per Barrel from Month's Calendar Day Average for WTI Crude Oil \| $ / Barrel	8.00
Long-term debt, less current portion	$ 437,467	$ 267,016
Maximum [Member]
Related Party Transaction [Line Items]
Cash and Cash Equivalents, Short-Term Investments, Maturity Duration	3 months
Customer Concentration Risk [Member] \| Sales Revenue, Net [Member] \| Western Refining, Inc. [Member]
Related Party Transaction [Line Items]
Concentration Risk, Percentage	30.20%	28.90%	25.90%
Adjustments for New Accounting Principle, Early Adoption [Member]
Related Party Transaction [Line Items]
Deferred Finance Costs, Noncurrent, Net		$ 2,000
Minimum Annual Distribution [Member]
Related Party Transaction [Line Items]
Annualized minimum quarterly distribution, subordinated period, percent	150.00%
Minimum Annual Distribution [Member] \| Minimum [Member]
Related Party Transaction [Line Items]
Distribution Payment Targets	1.15
Minimum Annual Distribution [Member] \| Maximum [Member]
Related Party Transaction [Line Items]
Distribution Payment Targets	1.725
Phantom Share Units (PSUs) [Member] \| WNRL 2013 LTIP [Member] \| Minimum [Member]
Related Party Transaction [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term	1 year
Phantom Share Units (PSUs) [Member] \| WNRL 2013 LTIP [Member] \| Maximum [Member]
Related Party Transaction [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term	3 years