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Segment Data - PP&E (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Property, plant and equipment	$ 457,716	$ 457,716	$ 452,746
Less: accumulated depreciation	(159,623)	(159,623)	(140,184)
Property, plant and equipment, net	298,093	298,093	$ 312,562
Depreciation expense	6,588	19,801
Pipelines and transportation
Segment Reporting Information [Line Items]
Property, plant and equipment	361,478	361,478
Less: accumulated depreciation	(122,397)	(122,397)
Property, plant and equipment, net	239,081	239,081
Depreciation expense	5,240	15,784
Wholesale marketing and terminalling
Segment Reporting Information [Line Items]
Property, plant and equipment	96,238	96,238
Less: accumulated depreciation	(37,226)	(37,226)
Property, plant and equipment, net	59,012	59,012
Depreciation expense	$ 1,348	$ 4,017

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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