Revenues from Contracts with Customers - Schedule of Disaggregated Revenues (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Disaggregation of Revenue [Line Items]
Sales and other revenues		$ 4,770,799	$ 3,719,247	$ 13,370,462	$ 10,258,594
Mid-Continent
Disaggregation of Revenue [Line Items]
Sales and other revenues		2,337,689	1,748,044	6,458,935	5,111,301
Southwest
Disaggregation of Revenue [Line Items]
Sales and other revenues		1,016,771	842,347	2,865,324	2,100,850
Rocky Mountains
Disaggregation of Revenue [Line Items]
Sales and other revenues		627,542	528,380	1,869,414	1,489,203
Northeast
Disaggregation of Revenue [Line Items]
Sales and other revenues		85,344	66,467	261,380	189,039
Canada
Disaggregation of Revenue [Line Items]
Sales and other revenues		190,727	177,767	563,088	486,380
Europe and Asia
Disaggregation of Revenue [Line Items]
Sales and other revenues		51,515	47,956	153,218	127,203
Transportation fuels
Disaggregation of Revenue [Line Items]
Sales and other revenues	[1]	3,598,815	2,839,543	10,193,218	7,910,289
Specialty lubricant products
Disaggregation of Revenue [Line Items]
Sales and other revenues	[2]	422,760	369,822	1,237,002	1,054,161
Asphalt, fuel oil and other products (3)
Disaggregation of Revenue [Line Items]
Sales and other revenues	[3]	288,013	201,596	741,139	539,526
Total refined product revenues
Disaggregation of Revenue [Line Items]
Sales and other revenues		4,309,588	3,410,961	12,171,359	9,503,976
Excess crude oil revenues
Disaggregation of Revenue [Line Items]
Sales and other revenues	[4]	422,122	277,810	1,074,928	658,117
Transportation and logistic services
Disaggregation of Revenue [Line Items]
Sales and other revenues		25,596	15,227	77,799	47,826
Other revenues (5)
Disaggregation of Revenue [Line Items]
Sales and other revenues	[5]	13,493	15,249	46,376	48,675
Refining
Disaggregation of Revenue [Line Items]
Sales and other revenues		4,270,835	3,291,417	11,915,797	9,033,148
Refining | Asphalt, fuel oil and other products (3)
Disaggregation of Revenue [Line Items]
Sales and other revenues		234,887	158,344	589,726	415,344
Lubricants and other specialty products
Disaggregation of Revenue [Line Items]
Sales and other revenues		474,260	413,074	1,376,531	1,178,343
Lubricants and other specialty products | Asphalt, fuel oil and other products (3)
Disaggregation of Revenue [Line Items]
Sales and other revenues		$ 53,126	$ 43,252	$ 151,413	$ 124,182

[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 $234,887 and $53,126, respectively, for the three months ended September 30, 2018, $158,344 and $43,252, respectively, for the three months ended September 30, 2017, $589,726 and $151,413, respectively, for the nine months ended September 30, 2018, and $415,344 and $124,182, respectively, for the nine months ended September 30, 2017.

[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.