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Goodwill (Tables) | 12 Months Ended
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Dec. 31, 2015
Goodwill [Abstract] |
Schedule of Goodwill [Table Text Block] | A summary of our goodwill accounts is as follows (in thousands):
|  | Wholesale Marketing and Terminalling |  | Pipelines and Transportation |  | Total
Balance, | December 31, 2012 | $ | 7,499 |  |  | $ | 2,955 |  |  | $ | 10,454 |
Acquisitions | — |  |  | 1,200 |  |  | 1,200 |
Balance, | December 31, 2013 | 7,499 |  |  | 4,155 |  |  | 11,654 |
Balance, | December 31, 2014 | 7,499 |  |  | 4,155 |  |  | 11,654 |
Acquisitions | — |  |  | 549 |  |  | $ | 549 |
Balance, | December 31, 2015 | $ | 7,499 |  |  | $ | 4,704 |  |  | $ | 12,203 |

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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