The carrying amount of consideration received or receivable as of the balance sheet date on potential earnings that were not recognized as revenue in conformity with GAAP, and which are expected to be recognized as such within one year or the normal operating cycle, if longer, including sales, license fees, and royalties, but excluding interest income.

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Summary of Accounting Policies (Details) (USD $)	12 Months Ended
Summary of Accounting Policies (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2012	Dec. 31, 2013
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Deferred revenue - Western	6,779,000us-gaap_DeferredRevenueCurrent		$ 2,589,000us-gaap_DeferredRevenueCurrent
Pipeline Loss Allowance	0.20%wnr_PipelineLossAllowance
Pipeline Loss Allowance, Subtraction per Barrel from Month's Calendar Day Average for WTI Crude Oil	8.00
Maximum [Member]
Related Party Transaction [Line Items]
Cash and Cash Equivalents, Short-Term Investments, Maturity Duration	3 months
Wholesale Segment [Member] \| Cost of Sales [Member] \| Operating Segments [Member]
Related Party Transaction [Line Items]
Derivative, Gain (Loss) on Derivative, Net		$ 23,600,000