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General (Details) | Mar. 31, 2015 bbl / pure bbl | Feb. 10, 2014
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El Dorado Terminal and Tank Assets [Member] |  |
Business Acquisition [Line Items] |  |
Number of Storage Tanks |  | 158
El Dorado Assets [Member] | Light Crude Oil |  |
Business Acquisition [Line Items] |  |
Total Throughput Capacity (bpd) | 25,000 |
El Dorado Assets [Member] | Heavy Crude Oil |  |
Business Acquisition [Line Items] |  |
Total Throughput Capacity (bpd) | 12,000 |
Tyler Assets [Member] |  |
Business Acquisition [Line Items] |  |
Aggregate Shell Capacity (barrels) | 350,000 |

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