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Property, Plant and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 692,282	$ 461,325
Less: accumulated depreciation	(227,470)	(166,281)
Property, plant and equipment, net	464,812	295,044
Depreciation expense	35,731	26,701
Pipelines and Transportation
Property, Plant and Equipment [Line Items]
Property, plant and equipment	580,631	354,429
Less: accumulated depreciation	(176,020)	(125,771)
Property, plant and equipment, net	404,611	228,658
Depreciation expense	27,682	20,803
Wholesale Marketing and Terminalling
Property, Plant and Equipment [Line Items]
Property, plant and equipment	111,651	106,896
Less: accumulated depreciation	(51,450)	(40,510)
Property, plant and equipment, net	60,201	66,386
Depreciation expense	8,049	5,898
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment	14,533	4,458
Building and building improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment	2,742	1,853
Pipelines, tanks and terminals
Property, Plant and Equipment [Line Items]
Property, plant and equipment	606,116	427,287
Asset retirement obligation assets
Property, Plant and Equipment [Line Items]
Property, plant and equipment	2,073	2,073
Other equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment	30,803	16,634
Construction in process
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 36,015	$ 9,020

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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