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Related Party Transactions Summary of Transactions (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Related Party Transaction [Line Items] |  |  |  |
Revenue | [1] | $ 156,280,000 | $ 149,564,000 | $ 152,564,000
Delek |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Revenue |  | 156,280,000 | 149,564,000 | 152,564,000
General and administrative expenses | [2] | 7,492,000 | 6,254,000 | 6,356,000
Logistics Assets Predecessor | Delek |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Expenses |  |  |  | 200,000
General and administrative expenses |  |  |  | 0
Cost of goods sold | Delek |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Expenses |  | 54,982,000 | 32,514,000 | 105,461,000
Operating Expense | Delek |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Expenses | [3] | $ 29,483,000 | $ 27,668,000 | $ 31,636,000
[1] | See Note 4 for a description of our material affiliate revenue transactions.
[2] | No general and administrative expenses were allocated to our Predecessors by Delek for the year ended December 31, 2015.
[3] | Operating and maintenance expenses include costs allocated to our Predecessors for operating support provided by Delek, including certain labor related costs, property and liability insurance costs and certain other operating expenses. Costs allocated to our Predecessors by Delek were $0.2 million for the year ended December 31, 2015.

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- Definition Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(e)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07.1(c)) -URI http://asc.fasb.org/extlink&oid=6488393&loc=d3e606610-122999 + Details
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