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Segment Data - PP&E (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Property, plant and equipment	$ 704,905	$ 704,905	$ 692,282
Less: accumulated depreciation	(256,696)	(256,696)	(227,470)
Property, plant and equipment, net	448,209	448,209	$ 464,812
Depreciation expense	10,156	30,862
Pipelines and transportation
Segment Reporting Information [Line Items]
Property, plant and equipment	589,729	589,729
Less: accumulated depreciation	(199,867)	(199,867)
Property, plant and equipment, net	389,862	389,862
Depreciation expense	8,056	24,918
Wholesale marketing and terminalling
Segment Reporting Information [Line Items]
Property, plant and equipment	115,176	115,176
Less: accumulated depreciation	(56,829)	(56,829)
Property, plant and equipment, net	58,347	58,347
Depreciation expense	$ 2,100	$ 5,944

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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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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