Revenues from Contracts with Customers - Schedule of Disaggregated Revenues (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018
Disaggregation of Revenue [Line Items]
Sales and other revenues		$ 3,897,247	$ 4,128,427
Mid-Continent
Disaggregation of Revenue [Line Items]
Sales and other revenues		1,730,505	1,889,546
Southwest
Disaggregation of Revenue [Line Items]
Sales and other revenues		850,149	846,478
Rocky Mountains
Disaggregation of Revenue [Line Items]
Sales and other revenues		515,335	630,902
Northeast
Disaggregation of Revenue [Line Items]
Sales and other revenues		127,891	82,857
Canada
Disaggregation of Revenue [Line Items]
Sales and other revenues		177,355	180,422
Europe and Asia
Disaggregation of Revenue [Line Items]
Sales and other revenues		69,405	50,979
Transportation fuels
Disaggregation of Revenue [Line Items]
Sales and other revenues	[1]	2,807,440	3,074,388
Specialty lubricant products
Disaggregation of Revenue [Line Items]
Sales and other revenues	[2]	444,342	399,039
Asphalt, fuel oil and other products (3)
Disaggregation of Revenue [Line Items]
Sales and other revenues	[3]	218,858	207,757
Total refined product revenues
Disaggregation of Revenue [Line Items]
Sales and other revenues		3,470,640	3,681,184
Excess crude oil revenues
Disaggregation of Revenue [Line Items]
Sales and other revenues	[4]	382,630	396,716
Transportation and logistic services
Disaggregation of Revenue [Line Items]
Sales and other revenues		31,138	27,457
Other revenues (5)
Disaggregation of Revenue [Line Items]
Sales and other revenues	[5]	12,839	23,070
Refining
Disaggregation of Revenue [Line Items]
Sales and other revenues		3,372,666	3,655,867
Refining | Asphalt, fuel oil and other products (3)
Disaggregation of Revenue [Line Items]
Sales and other revenues		169,866	161,956
Lubricants and other specialty products
Disaggregation of Revenue [Line Items]
Sales and other revenues		493,334	444,840
Lubricants and other specialty products | Asphalt, fuel oil and other products (3)
Disaggregation of Revenue [Line Items]
Sales and other revenues		$ 48,992	$ 45,801

[1] Transportation fuels consist of gasoline, diesel and jet fuel.

[2] Specialty lubricant products consist of base oil, waxes, finished lubricants and other specialty fluids.

[3] Asphalt, fuel oil and other products revenue include revenues attributable to our Refining and Lubricants and Specialty Products segments of $169,866 and $48,992, respectively, for the three months ended March 31, 2019 and $161,956 and $45,801, respectively, for the three months ended March 31, 2018.

[4] Excess crude oil revenues represent sales of purchased crude oil inventory that at times exceeds the supply needs of our refineries.

[5] Other revenues are principally attributable to our Refining segment.