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Major Customer (Notes)	12 Months Ended
	Dec. 31, 2015
Major Customer [Abstract]
Major Customer [Text Block]	Major Customers Sunoco LP accounted for 16.2%, 23.3% and 17.7% of our total revenues for the years ended December 31, 2015, 2014 and 2013, respectively. Delek, directly or indirectly, accounted for 25.9%, 13.6% and 8.6% of our total revenues for the years ended December 31, 2015, 2014 and 2013, respectively.

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Major Customer [Abstract]

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No definition available.

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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
-SubTopic 10
-Section 50
-Paragraph 16
-URI http://asc.fasb.org/extlink&oid=51801978&loc=d3e6327-108592

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13531-108611

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-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=51801978&loc=d3e6404-108592

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-Publisher FASB
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-Name Accounting Standards Codification
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-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
-Paragraph 21
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