Segment Information (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($) segment	Jun. 30, 2016 USD ($)
Segment Reporting [Abstract]
Reporting segments | segment			4
Segment Reporting Information [Line Items]
Revenues	$ 564,245	$ 413,793	$ 1,169,498	$ 791,604
Cost of revenues (excluding depreciation)	474,353	364,662	975,642	707,051
Operating expense (excluding depreciation)	51,675	35,878	102,023	74,085
Depreciation, depletion, and amortization	11,284	5,100	22,544	10,196
General and administrative expense (excluding depreciation)	10,482	10,621	23,396	21,791
Acquisition and integration expense	0	845	253	1,516
Operating income (loss)	16,451	(3,313)	45,640	(23,035)
Interest expense and financing costs, net	(9,139)	(6,106)	(18,081)	(10,719)
Loss on termination of financing agreement	(1,804)	0	(1,804)	0
Other income, net	107	67	237	116
Change in value of common stock warrants	(547)	1,176	(1,236)	2,820
Change in value of contingent consideration	0	3,552	0	9,728
Equity earnings (losses) from Laramie Energy, LLC	2,352	(16,948)	11,098	(18,818)
Income (loss) before income taxes	7,420	(21,572)	35,854	(39,908)
Income tax benefit (expense)	(414)	8,484	(1,062)	8,147
Net income (loss)	7,006	(13,088)	34,792	(31,761)
Capital expenditures	4,198	7,215	11,777	11,691
Operating Segments | Refining
Segment Reporting Information [Line Items]
Revenues	532,751	372,785	1,106,830	709,189
Cost of revenues (excluding depreciation)	476,764	346,547	979,808	673,253
Operating expense (excluding depreciation)	34,895	23,093	71,111	49,143
Depreciation, depletion, and amortization	7,450	1,954	14,853	3,894
General and administrative expense (excluding depreciation)	0	0	0	0
Acquisition and integration expense		0	0	0
Operating income (loss)	13,642	1,191	41,058	(17,101)
Capital expenditures	1,315	4,496	2,324	7,127
Operating Segments | Logistics
Segment Reporting Information [Line Items]
Revenues	29,623	24,792	59,618	45,579
Cost of revenues (excluding depreciation)	15,827	16,547	31,125	29,373
Operating expense (excluding depreciation)	4,849	2,321	8,646	4,220
Depreciation, depletion, and amortization	1,524	923	3,011	1,841
General and administrative expense (excluding depreciation)	0	0	0	0
Acquisition and integration expense		0	0	0
Operating income (loss)	7,423	5,001	16,836	10,145
Capital expenditures	1,542	606	2,739	885
Operating Segments | Retail
Segment Reporting Information [Line Items]
Revenues	82,347	71,873	160,029	140,375
Cost of revenues (excluding depreciation)	61,942	56,516	121,741	106,466
Operating expense (excluding depreciation)	11,951	10,454	22,266	20,598
Depreciation, depletion, and amortization	1,458	1,494	2,906	3,032
General and administrative expense (excluding depreciation)	0	0	0	0
Acquisition and integration expense		0	0	0
Operating income (loss)	6,996	3,409	13,116	10,279
Capital expenditures	126	1,219	3,623	2,063
Corporate, Eliminations and Other
Segment Reporting Information [Line Items]
Revenues	(80,476)	(55,657)	(156,979)	(103,539)
Cost of revenues (excluding depreciation)	(80,180)	(54,948)	(157,032)	(102,041)
Operating expense (excluding depreciation)	(20)	10	0	124
Depreciation, depletion, and amortization	852	729	1,774	1,429
General and administrative expense (excluding depreciation)	10,482	10,621	23,396	21,791
Acquisition and integration expense		845	253	1,516
Operating income (loss)	(11,610)	(12,914)	(25,370)	(26,358)
Capital expenditures	1,215	894	3,091	1,616
Gross profit	$ (80,900)	$ (67,500)	$ (158,100)	$ (125,900)