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Major Customer Major Customer | 12 Months Ended
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Dec. 31, 2017
Major Customer [Abstract] |
Major Customer | Major Customers Delek, directly or indirectly, accounted for 28.9%, 32.8% and 25.9% of our total revenues for the years ended December 31, 2017, 2016 and 2015, respectively. Sunoco LP accounted for 9.0%, 10.5% and 16.2% of our total revenues for the years ended December 31, 2017, 2016 and 2015, respectively.

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- Definition Major Customer [Abstract] + References No definition available. + Details
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- Definition The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -URI http://asc.fasb.org/topic&trid=2134479 + Details
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