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Acquisitions Purchase Price Allocation (Details) (USD $) In Thousands, unless otherwise specified | Oct. 24, 2013 North Little Rock Terminal [Member] | Jul. 19, 2013 Hopewell [Member] | Feb. 07, 2012 Big Sandy Terminal [Member] | Jan. 31, 2012 Nettleton Pipeline [Member]
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Business Acquisition [Line Items] |  |  |  |
Property, Plant and Equipment | $ 4,987 | $ 4,836 | $ 8,258 | $ 8,590
Intangible Assets | 13 | 864 | 1,229 | 2,240
Goodwill (all expected to be deductible for tax purposes) |  |  | 1,540 | 1,415
Total | $ 5,000 | $ 5,700 | $ 11,027 | $ 12,245

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