Major Customer (Notes)	12 Months Ended
Major Customer (Notes)	Dec. 31, 2014
Major Customer [Abstract]
Major Customer [Text Block]	Major Customers Sunoco LP accounted for 23.3%, 17.7% and 17.5% of our total revenues for the years ended December 31, 2014, 2013 and 2012, respectively. Delek accounted for 13.6%, 8.6% and 23.1% of our total revenues for the years ended December 31, 2014, 2013 and 2012, respectively.

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.

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