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Segment Data - PP&E (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Property, plant and equipment	$ 699,552	$ 692,282
Less: accumulated depreciation	(237,495)	(227,470)
Property, plant and equipment, net	462,057	$ 464,812
Depreciation expense	10,739
Pipelines and transportation
Segment Reporting Information [Line Items]
Property, plant and equipment	586,119
Less: accumulated depreciation	(184,318)
Property, plant and equipment, net	401,801
Depreciation expense	8,827
Wholesale marketing and terminalling
Segment Reporting Information [Line Items]
Property, plant and equipment	113,433
Less: accumulated depreciation	(53,177)
Property, plant and equipment, net	60,256
Depreciation expense	$ 1,912

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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