Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Disaggregation of Revenue [Line Items]
Revenues	$ 1,191,335	$ 765,439
Refining
Disaggregation of Revenue [Line Items]
Revenues	1,146,064	740,263
Refining | Gasoline
Disaggregation of Revenue [Line Items]
Revenues	288,200	239,261
Refining | Distillates
Disaggregation of Revenue [Line Items]
Revenues	555,892	398,529
Refining | Other Refined Products
Disaggregation of Revenue [Line Items]
Revenues	301,446	102,473
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	526
Logistics
Disaggregation of Revenue [Line Items]
Revenues	45,209	33,067
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	45,209	33,067
Logistics | Other Revenues
Disaggregation of Revenue [Line Items]
Revenues	0
Retail
Disaggregation of Revenue [Line Items]
Revenues	99,831	78,592
Retail | Gasoline
Disaggregation of Revenue [Line Items]
Revenues	69,763	58,202
Retail | Distillates
Disaggregation of Revenue [Line Items]
Revenues	9,009	6,996
Retail | Other Refined Products
Disaggregation of Revenue [Line Items]
Revenues	0	0
Retail | Merchandise
Disaggregation of Revenue [Line Items]
Revenues	20,609	13,394
Retail | Transportation and Terminalling Services
Disaggregation of Revenue [Line Items]
Revenues	0	$ 0
Retail | Other Revenues
Disaggregation of Revenue [Line Items]
Revenues	$ 450