Revenues from Contracts with Customers - Schedule of Disaggregated Revenues (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Disaggregation of Revenue [Line Items]
Sales and other revenues		$ 4,424,828	$ 4,770,799	$ 13,104,690	$ 13,370,462
Mid-Continent
Disaggregation of Revenue [Line Items]
Sales and other revenues		2,191,014	2,337,689	6,283,488	6,458,935
Southwest
Disaggregation of Revenue [Line Items]
Sales and other revenues		913,326	1,016,771	2,772,281	2,865,324
Rocky Mountains
Disaggregation of Revenue [Line Items]
Sales and other revenues		611,003	627,542	1,739,401	1,869,414
Northeast
Disaggregation of Revenue [Line Items]
Sales and other revenues		151,919	85,344	427,926	261,380
Canada
Disaggregation of Revenue [Line Items]
Sales and other revenues		184,784	190,727	536,911	563,088
Europe and Asia
Disaggregation of Revenue [Line Items]
Sales and other revenues		63,855	51,515	216,544	153,218
Transportation fuels
Disaggregation of Revenue [Line Items]
Sales and other revenues	[1]	3,354,927	3,598,815	9,796,334	10,193,218
Specialty lubricant products
Disaggregation of Revenue [Line Items]
Sales and other revenues	[2]	461,669	422,760	1,413,194	1,237,002
Asphalt, fuel oil and other products (3)
Disaggregation of Revenue [Line Items]
Sales and other revenues	[3]	299,305	288,013	767,023	741,139
Total refined product revenues
Disaggregation of Revenue [Line Items]
Sales and other revenues		4,115,901	4,309,588	11,976,551	12,171,359
Excess crude oil revenues
Disaggregation of Revenue [Line Items]
Sales and other revenues	[4]	264,675	422,122	997,988	1,074,928
Transportation and logistic services
Disaggregation of Revenue [Line Items]
Sales and other revenues		29,868	25,596	89,388	77,799
Other revenues (5)
Disaggregation of Revenue [Line Items]
Sales and other revenues	[5]	14,384	13,493	40,763	46,376
Refining
Disaggregation of Revenue [Line Items]
Sales and other revenues		3,865,399	4,270,835	11,446,841	11,915,797
Refining | Asphalt, fuel oil and other products (3)
Disaggregation of Revenue [Line Items]
Sales and other revenues		231,400	234,900	612,000	589,700
Lubricants and other specialty products
Disaggregation of Revenue [Line Items]
Sales and other revenues		529,561	474,260	1,568,241	1,376,531
Lubricants and other specialty products | Asphalt, fuel oil and other products (3)
Disaggregation of Revenue [Line Items]
Sales and other revenues		$ 67,900	$ 53,100	$ 155,000	$ 151,400

[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 $231.4 million and $67.9 million, respectively, for the three months ended September 30, 2019, $612.0 million and $155.0 million, respectively, for the nine months ended September 30, 2019, $234.9 million and $53.1 million, respectively, for the three months ended September 30, 2018, and $589.7 million and $151.4 million, respectively, for the nine months ended September 30, 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.