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Property, Plant and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 461,325	$ 452,746
Less: accumulated depreciation	(166,281)	(140,184)
Property, plant and equipment, net	295,044	312,562
Depreciation expense	26,701	25,901
Pipelines and Transportation
Property, Plant and Equipment [Line Items]
Property, plant and equipment	354,429	361,702
Less: accumulated depreciation	(125,771)	(106,971)
Property, plant and equipment, net	228,658	254,731
Depreciation expense	20,803	21,115
Wholesale Marketing and Terminalling
Property, Plant and Equipment [Line Items]
Property, plant and equipment	106,896	91,044
Less: accumulated depreciation	(40,510)	(33,213)
Property, plant and equipment, net	66,386	57,831
Depreciation expense	5,898	4,786
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment	4,458	4,458
Building and building improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment	1,853	3,695
Pipelines, tanks and terminals
Property, Plant and Equipment [Line Items]
Property, plant and equipment	427,287	410,154
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	16,634	15,838
Construction in process
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 9,020	$ 16,528

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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