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Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
Revenue Recognition (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Contract receivable	$ 102,900		$ 102,900		$ 214,500
Deferred revenue	3,012		3,012		$ 7,905
Revenues	515,301	$ 1,409,409	1,719,384	$ 2,600,744
Refining
Disaggregation of Revenue [Line Items]
Revenues	455,301	1,347,557	1,603,427	2,493,621
Refining \| Gasoline
Disaggregation of Revenue [Line Items]
Revenues	135,370	372,352	421,968	660,552
Refining \| Distillates
Disaggregation of Revenue [Line Items]
Revenues	189,760	646,907	773,468	1,202,799
Refining \| Other Refined Products
Disaggregation of Revenue [Line Items]
Revenues	129,086	327,939	393,253	629,385
Refining \| Merchandise
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Refining \| Transportation and terminalling services
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Refining \| Other Revenues
Disaggregation of Revenue [Line Items]
Revenues	1,085	359	14,738	885
Logistics
Disaggregation of Revenue [Line Items]
Revenues	42,132	50,146	101,282	95,355
Logistics \| Gasoline
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Logistics \| Distillates
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Logistics \| Other Refined Products
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Logistics \| Merchandise
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Logistics \| Transportation and terminalling services
Disaggregation of Revenue [Line Items]
Revenues	42,132	50,146	101,282	95,355
Logistics \| Other Revenues
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Retail
Disaggregation of Revenue [Line Items]
Revenues	79,621	120,749	182,434	220,580
Retail \| Gasoline
Disaggregation of Revenue [Line Items]
Revenues	47,157	86,248	120,004	156,011
Retail \| Distillates
Disaggregation of Revenue [Line Items]
Revenues	8,642	10,547	17,092	19,556
Retail \| Other Refined Products
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Retail \| Merchandise
Disaggregation of Revenue [Line Items]
Revenues	23,382	23,469	44,411	44,078
Retail \| Transportation and terminalling services
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Retail \| Other Revenues
Disaggregation of Revenue [Line Items]
Revenues	$ 440	$ 485	$ 927	$ 935