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Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended
Revenue Recognition (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Contract receivable	$ 182,800		$ 214,500
Deferred revenue	7,884		$ 7,905
Revenues	1,204,083	$ 1,191,335
Refining
Disaggregation of Revenue [Line Items]
Revenues	1,148,126	1,146,064
Refining \| Gasoline
Disaggregation of Revenue [Line Items]
Revenues	286,598	288,200
Refining \| Distillates
Disaggregation of Revenue [Line Items]
Revenues	583,708	555,892
Refining \| Other Refined Products
Disaggregation of Revenue [Line Items]
Revenues	264,167	301,446
Refining \| Merchandise
Disaggregation of Revenue [Line Items]
Revenues	0	0
Refining \| Transportation and terminalling services
Disaggregation of Revenue [Line Items]
Revenues	0	0
Refining \| Other Revenues
Disaggregation of Revenue [Line Items]
Revenues	13,653	526
Logistics
Disaggregation of Revenue [Line Items]
Revenues	59,150	45,209
Logistics \| Gasoline
Disaggregation of Revenue [Line Items]
Revenues	0	0
Logistics \| Distillates
Disaggregation of Revenue [Line Items]
Revenues	0	0
Logistics \| Other Refined Products
Disaggregation of Revenue [Line Items]
Revenues	0	0
Logistics \| Merchandise
Disaggregation of Revenue [Line Items]
Revenues	0	0
Logistics \| Transportation and terminalling services
Disaggregation of Revenue [Line Items]
Revenues	59,150	45,209
Logistics \| Other Revenues
Disaggregation of Revenue [Line Items]
Revenues	0	0
Retail
Disaggregation of Revenue [Line Items]
Revenues	102,813	99,831
Retail \| Gasoline
Disaggregation of Revenue [Line Items]
Revenues	72,847	69,763
Retail \| Distillates
Disaggregation of Revenue [Line Items]
Revenues	8,450	9,009
Retail \| Other Refined Products
Disaggregation of Revenue [Line Items]
Revenues	0	0
Retail \| Merchandise
Disaggregation of Revenue [Line Items]
Revenues	21,029	20,609
Retail \| Transportation and terminalling services
Disaggregation of Revenue [Line Items]
Revenues	0	0
Retail \| Other Revenues
Disaggregation of Revenue [Line Items]
Revenues	$ 487	$ 450