CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Current assets
Cash and cash equivalents	$ 106,190	$ 75,076
Restricted cash	2,447	743
Total cash, cash equivalents, and restricted cash	108,637	75,819
Trade accounts receivable	254,684	160,338
Inventories	573,879	322,065
Prepaid and other current assets	13,833	28,370
Total current assets	951,033	586,592
Property and equipment
Property, plant, and equipment	1,106,419	649,768
Less accumulated depreciation, depletion, and amortization	(146,251)	(111,507)
Property and equipment, net	960,168	538,261
Long-term assets
Operating lease assets	389,047
Investment in Laramie Energy, LLC	137,448	136,656
Intangible assets, net	22,617	23,947
Goodwill	194,705	153,397
Other long-term assets	17,392	21,881
Total assets	2,672,410	1,460,734
Current liabilities
Current maturities of long-term debt	12,295	33
Obligations under inventory financing agreements	636,489	373,882
Accounts payable	146,264	54,787
Deferred revenue	8,079	6,681
Accrued taxes	32,211	17,256
Operating lease liabilities	59,707
Other accrued liabilities	79,148	54,562
Total current liabilities	974,193	507,201
Long-term liabilities
Long-term debt, net of current maturities	631,801	392,607
Common stock warrants	7,246	5,007
Finance lease liabilities	6,501
Finance lease liabilities		6,123
Operating lease liabilities	332,465
Other liabilities	60,641	37,467
Total liabilities	2,012,847	948,405
Commitments and contingencies (Note 13)
Stockholders’ equity
Preferred stock, $0.01 par value: 3,000,000 shares authorized, none issued	0	0
Common stock, $0.01 par value; 500,000,000 shares authorized at June 30, 2019 and December 31, 2018, 51,024,186 shares and 46,983,924 shares issued at June 30, 2019 and December 31, 2018, respectively	510	470
Additional paid-in capital	675,870	617,937
Accumulated deficit	(19,490)	(108,751)
Accumulated other comprehensive income	2,673	2,673
Total stockholders’ equity	659,563	512,329
Total liabilities and stockholders’ equity	$ 2,672,410	$ 1,460,734