Revenues from Contracts with Customers - Schedule of Disaggregated Revenues (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Disaggregation of Revenue [Line Items]
Sales and other revenues		$ 2,062,930	$ 4,782,615	$ 5,463,475	$ 8,679,862
Mid-Continent
Disaggregation of Revenue [Line Items]
Sales and other revenues		867,660	2,361,969	2,400,584	4,092,474
Southwest
Disaggregation of Revenue [Line Items]
Sales and other revenues		436,073	1,008,806	1,170,248	1,858,955
Rocky Mountains
Disaggregation of Revenue [Line Items]
Sales and other revenues		274,973	613,063	743,752	1,128,398
Northeast
Disaggregation of Revenue [Line Items]
Sales and other revenues		110,909	148,116	270,733	276,007
Canada
Disaggregation of Revenue [Line Items]
Sales and other revenues		120,870	174,772	303,523	352,127
Europe and Asia
Disaggregation of Revenue [Line Items]
Sales and other revenues		60,343	83,284	132,631	152,689
Transportation fuels
Disaggregation of Revenue [Line Items]
Sales and other revenues	[1]	1,385,246	3,633,966	3,863,593	6,441,407
Specialty lubricant products
Disaggregation of Revenue [Line Items]
Sales and other revenues	[2]	340,284	507,183	811,237	951,525
Asphalt, fuel oil and other products (3)
Disaggregation of Revenue [Line Items]
Sales and other revenues	[3]	145,298	248,861	346,641	467,718
Total refined product revenues
Disaggregation of Revenue [Line Items]
Sales and other revenues		1,870,828	4,390,010	5,021,471	7,860,650
Excess crude oil revenues
Disaggregation of Revenue [Line Items]
Sales and other revenues	[4]	163,394	350,683	363,173	733,313
Transportation and logistic services
Disaggregation of Revenue [Line Items]
Sales and other revenues		19,244	28,382	45,670	59,520
Other revenues (5)
Disaggregation of Revenue [Line Items]
Sales and other revenues	[5]	9,464	13,540	33,161	26,379
Refining
Disaggregation of Revenue [Line Items]
Sales and other revenues		1,690,042	4,208,776	4,540,662	7,581,442
Refining | Asphalt, fuel oil and other products (3)
Disaggregation of Revenue [Line Items]
Sales and other revenues		131,900	210,700	280,700	380,600
Lubricants and other specialty products
Disaggregation of Revenue [Line Items]
Sales and other revenues		353,644	545,346	877,143	1,038,680
Lubricants and other specialty products | Asphalt, fuel oil and other products (3)
Disaggregation of Revenue [Line Items]
Sales and other revenues		$ 13,400	$ 38,200	$ 65,900	$ 87,200

[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 $131.9 million and $13.4 million, respectively, for the three months ended June 30, 2020, $280.7 million and $65.9 million, respectively for the six months ended June 30, 2020, $210.7 million and $38.2 million, respectively, for the three months ended June 30, 2019

[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.