Segment Information (Details) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Sep. 30, 2019 USD ($) segment	Sep. 30, 2018 USD ($)
Segment Reporting [Abstract]
Reporting segments | segment							4
Segment Reporting Information [Line Items]
Revenues	$ 1,401,638			$ 909,781			$ 4,002,382	$ 2,531,616
Cost of revenues (excluding depreciation)	1,265,755			822,785			3,578,329	2,232,608
Operating expense (excluding depreciation)	83,237			54,905			231,741	158,975
Depreciation, depletion, and amortization	22,227			13,192			65,103	39,004
General and administrative expense (excluding depreciation)	11,391			11,871			34,435	35,981
Acquisition and integration costs	623			2,134			4,325	3,515
Operating income	18,405			4,894			88,449	61,533
Interest expense and financing costs, net	(18,348)			(10,425)			(57,336)	(29,346)
Debt extinguishment and commitment costs	0			0			(9,186)	0
Other income, net	83			85			2,347	861
Change in value of common stock warrants	(826)			(1,067)			(3,065)	(396)
Change in value of contingent consideration	0			0			0	(10,500)
Equity earnings (losses) from Laramie Energy, LLC	(85,633)			1,050			(84,841)	4,274
Income (loss) before income taxes	(86,319)			(5,463)			(63,632)	26,426
Income tax benefit (expense)	2,428			(359)			69,002	(885)
Net income (loss)	(83,891)	$ 28,169	$ 61,092	(5,822)	$ 16,178	$ 15,185	5,370	25,541
Capital expenditures	22,682			12,541			64,086	30,198
Refining
Segment Reporting Information [Line Items]
Revenues	1,336,951			850,591			3,830,572	2,391,262
Logistics
Segment Reporting Information [Line Items]
Revenues	49,623			30,660			144,978	95,016
Retail
Segment Reporting Information [Line Items]
Revenues	122,234			124,970			342,814	323,253
Operating Segments | Refining
Segment Reporting Information [Line Items]
Revenues	1,336,951			850,591			3,830,572	2,391,262
Cost of revenues (excluding depreciation)	1,256,569			805,051			3,563,503	2,204,634
Operating expense (excluding depreciation)	63,041			36,766			173,689	108,862
Depreciation, depletion, and amortization	14,088			8,336			42,579	24,173
General and administrative expense (excluding depreciation)	0			0			0	0
Acquisition and integration costs	0			0			0	0
Operating income	3,253			438			50,801	53,593
Capital expenditures	6,672			5,332			25,555	15,359
Operating Segments | Logistics
Segment Reporting Information [Line Items]
Revenues	49,623			30,660			144,978	95,016
Cost of revenues (excluding depreciation)	28,712			18,384			82,000	57,775
Operating expense (excluding depreciation)	2,553			1,663			7,945	5,870
Depreciation, depletion, and amortization	4,798			1,654			12,683	4,969
General and administrative expense (excluding depreciation)	0			0			0	0
Acquisition and integration costs	0			0			0	0
Operating income	13,560			8,959			42,350	26,402
Capital expenditures	14,759			4,501			32,217	9,050
Operating Segments | Retail
Segment Reporting Information [Line Items]
Revenues	122,234			124,970			342,814	323,253
Cost of revenues (excluding depreciation)	87,631			95,968			248,751	248,328
Operating expense (excluding depreciation)	17,643			16,476			50,107	44,239
Depreciation, depletion, and amortization	2,523			1,876			7,429	6,441
General and administrative expense (excluding depreciation)	0			0			0	0
Acquisition and integration costs	0			0			0	0
Operating income	14,437			10,650			36,527	24,245
Capital expenditures	765			1,425			5,042	2,520
Corporate, Eliminations and Other
Segment Reporting Information [Line Items]
Revenues	(107,170)			(96,440)			(315,982)	(277,915)
Cost of revenues (excluding depreciation)	(107,157)			(96,618)			(315,925)	(278,129)
Operating expense (excluding depreciation)	0			0			0	4
Depreciation, depletion, and amortization	818			1,326			2,412	3,421
General and administrative expense (excluding depreciation)	11,391			11,871			34,435	35,981
Acquisition and integration costs	623			2,134			4,325	3,515
Operating income	(12,845)			(15,153)			(41,229)	(42,707)
Capital expenditures	486			1,283			1,272	3,269
Gross profit	$ (107,200)			$ (96,400)			$ (316,000)	$ (277,300)