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Acquisitions Pro Forma Infromation (Details) (USD $)	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2012	Jun. 30, 2013 Nettleton Pipeline [Member]	Jun. 30, 2013 Nettleton Pipeline [Member]	Jun. 30, 2013 Big Sandy Terminal [Member]	Jun. 30, 2013 Big Sandy Terminal [Member]
Business Acquisition [Line Items]
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual			$ 1,300,000	$ 3,200,000	$ 400,000	$ 800,000
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual			700,000	2,100,000	300,000	600,000
Business Acquisition, Pro Forma Revenue	262,609,000	501,692,000
Business Acquisition, Pro Forma Net Income (Loss)	$ 2,563,000	$ 5,063,000

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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-Name Accounting Standards Codification

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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