Condensed Consolidated Statements Of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Income Statement [Abstract]
Net revenues	$ 104,528	$ 91,039
Cost of sales	105,353	107,969
Gross loss	(825)	(16,930)
Loss on disposition of assets, net	(39)	0
Selling, general and administrative expenses	(16,841)	(13,826)
Loss from operations	(17,705)	(30,756)
Equity in losses of investment	(152)	(123)
Net interest expense	(5,226)	(10,684)
Other income (expense), net	(535)	1,880
Other income – oil and gas	2,602	2,572
Loss before income taxes	(21,016)	(37,111)
Income tax benefit	(4,601)	(9,288)
Net loss	$ (16,415)	$ (27,823)
Loss per share of common stock (in dollars per share)
Basic	$ (0.11)	$ (0.26)
Diluted	$ (0.11)	$ (0.26)
Weighted average common shares outstanding (in shares)
Basic	143,244	105,908
Diluted	143,244	105,908