Segment Information (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($) segment	Sep. 30, 2016 USD ($)
Segment Reporting [Abstract]
Reporting segments | segment			4
Segment Reporting Information [Line Items]
Revenues	$ 610,506	$ 510,305	$ 1,780,004	$ 1,301,909
Cost of revenues (excluding depreciation)	509,476	459,296	1,485,118	1,166,347
Operating expense (excluding depreciation)	51,718	51,240	153,741	125,325
Depreciation, depletion, and amortization	11,304	9,643	33,848	19,839
General and administrative expense (excluding depreciation)	11,292	9,863	34,688	31,654
Acquisition and integration expense	0	2,047	253	3,563
Operating income (loss)	26,716	(21,784)	72,356	(44,819)
Interest expense and financing costs, net	(7,419)	(11,232)	(25,500)	(21,951)
Loss on termination of financing agreement	0	0	(1,804)	0
Other income (expense), net	649	(56)	886	60
Change in value of common stock warrants	(975)	657	(2,211)	3,477
Change in value of contingent consideration	0	1,025	0	10,753
Equity earnings (losses) from Laramie Energy, LLC	553	3,659	11,651	(15,159)
Income (loss) before income taxes	19,524	(27,731)	55,378	(67,639)
Income tax benefit (expense)	(700)	(30)	(1,762)	8,117
Net income (loss)	18,824	(27,761)	53,616	(59,522)
Capital expenditures	8,111	7,585	19,888	19,276
Operating Segments | Refining
Segment Reporting Information [Line Items]
Revenues	578,511	462,975	1,685,341	1,172,164
Cost of revenues (excluding depreciation)	513,664	439,477	1,493,472	1,112,730
Operating expense (excluding depreciation)	36,126	35,910	107,237	85,053
Depreciation, depletion, and amortization	7,390	5,755	22,243	9,649
General and administrative expense (excluding depreciation)	0	0	0	0
Acquisition and integration expense		0	0	0
Operating income (loss)	21,331	(18,167)	62,389	(35,268)
Capital expenditures	3,171	3,820	5,495	10,947
Operating Segments | Logistics
Segment Reporting Information [Line Items]
Revenues	31,838	28,107	91,456	73,686
Cost of revenues (excluding depreciation)	15,857	19,334	46,982	48,707
Operating expense (excluding depreciation)	4,029	4,686	12,675	8,906
Depreciation, depletion, and amortization	1,602	1,275	4,613	3,116
General and administrative expense (excluding depreciation)	0	0	0	0
Acquisition and integration expense		0	0	0
Operating income (loss)	10,350	2,812	27,186	12,957
Capital expenditures	2,606	266	5,345	1,151
Operating Segments | Retail
Segment Reporting Information [Line Items]
Revenues	83,682	75,577	243,711	215,952
Cost of revenues (excluding depreciation)	63,175	56,365	184,916	162,831
Operating expense (excluding depreciation)	11,563	10,461	33,829	31,059
Depreciation, depletion, and amortization	1,471	1,898	4,377	4,930
General and administrative expense (excluding depreciation)	0	0	0	0
Acquisition and integration expense		0	0	0
Operating income (loss)	7,473	6,853	20,589	17,132
Capital expenditures	811	1,636	4,434	3,699
Corporate, Eliminations and Other
Segment Reporting Information [Line Items]
Revenues	(83,525)	(56,354)	(240,504)	(159,893)
Cost of revenues (excluding depreciation)	(83,220)	(55,880)	(240,252)	(157,921)
Operating expense (excluding depreciation)	0	183	0	307
Depreciation, depletion, and amortization	841	715	2,615	2,144
General and administrative expense (excluding depreciation)	11,292	9,863	34,688	31,654
Acquisition and integration expense		2,047	253	3,563
Operating income (loss)	(12,438)	(13,282)	(37,808)	(39,640)
Capital expenditures	1,523	1,863	4,614	3,479
Gross profit	$ 83,400	$ 72,100	$ 241,500	$ 198,000