Properties, Plants and Equipment - Components Of Property, Plants And Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Properties, plants and equipment, at cost	$ 7,299,517	$ 7,237,297
Accumulated depreciation	(2,726,378)	(2,414,585)
Properties, plants and equipment, net	4,573,139	4,822,712
Land, buildings and improvements
Property, Plant and Equipment [Line Items]
Properties, plants and equipment, at cost	517,829	447,547
Refining facilities
Property, Plant and Equipment [Line Items]
Properties, plants and equipment, at cost	4,202,524	4,258,764
Pipelines and terminals
Property, Plant and Equipment [Line Items]
Properties, plants and equipment, at cost	1,786,279	1,775,657
Transportation vehicles
Property, Plant and Equipment [Line Items]
Properties, plants and equipment, at cost	26,715	27,214
Other fixed assets
Property, Plant and Equipment [Line Items]
Properties, plants and equipment, at cost	400,159	540,953
Construction in progress
Property, Plant and Equipment [Line Items]
Properties, plants and equipment, at cost	$ 366,011	$ 187,162