Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Disaggregation of Revenue [Line Items]
Revenues	$ 1,409,409	$ 856,396	$ 2,600,744	$ 1,621,835
Refining
Disaggregation of Revenue [Line Items]
Revenues	1,347,557	800,408	2,493,621	1,540,671
Refining | Gasoline
Disaggregation of Revenue [Line Items]
Revenues	372,352	255,870	660,552	495,131
Refining | Distillates
Disaggregation of Revenue [Line Items]
Revenues	646,907	453,968	1,202,799	852,497
Refining | Other Refined Products
Disaggregation of Revenue [Line Items]
Revenues	327,939	90,570	629,385	193,043
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	359		885
Logistics
Disaggregation of Revenue [Line Items]
Revenues	50,146	31,289	95,355	64,356
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	50,146	31,289	95,355	64,356
Logistics | Other Revenues
Disaggregation of Revenue [Line Items]
Revenues	0		0
Retail
Disaggregation of Revenue [Line Items]
Revenues	120,749	119,691	220,580	198,283
Retail | Gasoline
Disaggregation of Revenue [Line Items]
Revenues	86,248	84,754	156,011	142,956
Retail | Distillates
Disaggregation of Revenue [Line Items]
Revenues	10,547	11,125	19,556	18,121
Retail | Other Refined Products
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Retail | Merchandise
Disaggregation of Revenue [Line Items]
Revenues	23,469	23,812	44,078	37,206
Retail | Transportation and Terminalling Services
Disaggregation of Revenue [Line Items]
Revenues	0	$ 0	0	$ 0
Retail | Other Revenues
Disaggregation of Revenue [Line Items]
Revenues	$ 485		$ 935