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Goodwill	12 Months Ended
Goodwill	Dec. 31, 2018
Goodwill [Abstract]
Goodwill	Goodwill Goodwill represents the excess of the aggregate purchase price over the fair value of the identifiable net assets acquired and is not amortized. Our goodwill relates to the west Texas assets contributed to us by Delek Marketing & Supply, LLC ("Delek Marketing"), a direct wholly owned subsidiary of Delek Holdings, in connection with our initial public offering (the "Offering") and to the purchase price allocation of certain of our third party acquisitions. We perform an annual assessment of whether goodwill retains its value. This assessment is done more frequently if indicators of potential impairment exist. We performed our annual goodwill impairment review in the fourth quarter of 2018, 2017 and 2016. We performed a qualitative assessment for the year ended December 31, 2018. During the years ended December 31, 2017 and 2016, we performed a discounted cash flows test, using a market participant weighted average cost of capital, and estimated minimal growth rates for revenue, gross profit and capital expenditures based on history and our best estimate of future forecasts. We also estimated the fair values using a multiple of expected future cash flows, such as those used by third party analysts. In 2018, 2017 and 2016, the annual impairment review resulted in the determination that no impairment of goodwill had occurred. Our goodwill accounts in our wholesale marketing and terminalling segment amounted to $7.5 million as of December 31, 2018, 2017 and 2016. Our goodwill accounts in our pipelines and transportation segment amounted to $4.7 million as of December 31, 2018, 2017 and 2016.