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General (Details) bpd in Thousands, bbl in Thousands	Mar. 31, 2015 bbl / pure bbl
El Dorado Assets | Light Crude Oil
Business Acquisition [Line Items]
Total throughput capacity (bpd)	25
El Dorado Assets | Heavy Crude Oil
Business Acquisition [Line Items]
Total throughput capacity (bpd)	12
Tyler Assets
Business Acquisition [Line Items]
Aggregate shell capacity (barrels)	350

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Total Throughput Capacity

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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.

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