Segment Data - PP&E (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Property, plant and equipment	$ 665,718	$ 461,325
Less: accumulated depreciation	(186,249)	(166,281)
Property, plant and equipment, net	479,469	$ 295,044
Depreciation expense	6,299
Pipelines and transportation
Segment Reporting Information [Line Items]
Property, plant and equipment	556,418
Less: accumulated depreciation	(144,046)
Property, plant and equipment, net	412,372
Depreciation expense	4,606
Wholesale marketing and terminalling
Segment Reporting Information [Line Items]
Property, plant and equipment	109,300
Less: accumulated depreciation	(42,203)
Property, plant and equipment, net	67,097
Depreciation expense	$ 1,693

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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The expense recognized in the current period that allocates the cost of nonproduction tangible assets over their useful lives.

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