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Acquisitions Big Spring Acquisition (Tables) | 9 Months Ended
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Sep. 30, 2018
Business Acquisition [Line Items] |
Schedule of Asset Acquisitions, by Acquisition [Table Text Block] | The following table summarizes the allocation of the relative fair value assigned to the asset groups for the Big Spring Pipeline (in thousands):
Property, plant and equipment |  | $ | 6,443 |
Intangible assets (1) |  | 2,560 |
Total |  | $ | 9,003 |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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