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Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
Revenue Recognition (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Contract receivable	$ 110,200		$ 110,200		$ 214,500
Deferred revenue	5,994		5,994		$ 7,905
Revenues	689,981	$ 1,401,638	2,409,365	$ 4,002,382
Refining
Disaggregation of Revenue [Line Items]
Revenues	626,426	1,336,951	2,229,853	3,830,572
Refining \| Gasoline
Disaggregation of Revenue [Line Items]
Revenues	219,849	399,543	641,817	1,060,095
Refining \| Distillates
Disaggregation of Revenue [Line Items]
Revenues	213,448	625,080	986,916	1,827,879
Refining \| Other refined products
Disaggregation of Revenue [Line Items]
Revenues	188,586	311,724	581,839	941,109
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 revenue
Disaggregation of Revenue [Line Items]
Revenues	4,543	604	19,281	1,489
Logistics
Disaggregation of Revenue [Line Items]
Revenues	41,722	49,623	143,004	144,978
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	41,722	49,623	143,004	144,978
Logistics \| Other revenue
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Retail
Disaggregation of Revenue [Line Items]
Revenues	91,736	122,234	274,170	342,814
Retail \| Gasoline
Disaggregation of Revenue [Line Items]
Revenues	59,344	86,941	179,348	242,952
Retail \| Distillates
Disaggregation of Revenue [Line Items]
Revenues	7,847	10,857	24,939	30,413
Retail \| Other refined products
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Retail \| Merchandise
Disaggregation of Revenue [Line Items]
Revenues	24,010	24,098	68,421	68,176
Retail \| Transportation and terminalling services
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Retail \| Other revenue
Disaggregation of Revenue [Line Items]
Revenues	$ 535	$ 338	$ 1,462	$ 1,273