Condensed Consolidated Statements Of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income Statement [Abstract]
Net revenues	$ 150,329	$ 107,267	$ 254,857	$ 198,306
Cost of sales	131,962	101,609	237,315	209,578
Gross profit (loss)	18,367	5,658	17,542	(11,272)
Loss on disposition of assets, net			(39)	0
Selling, general and administrative expenses	(13,317)	(14,953)	(30,158)	(28,779)
Income (loss) from operations	5,050	(9,295)	(12,655)	(40,051)
Equity in losses of investment	(152)	(121)	(304)	(244)
Net interest expense	(6,639)	(7,480)	(11,865)	(18,164)
Gain (loss) on early extinguishment of long-term debt	(397)	302	(397)	302
Other income (expense), net	467	1,308	(68)	3,188
Other income – oil and gas	291	396	2,893	2,968
Loss before income taxes	(1,380)	(14,890)	(22,396)	(52,001)
Income tax provision (benefit)	5,023	(4,219)	422	(13,507)
Net loss	$ (6,403)	$ (10,671)	$ (22,818)	$ (38,494)
Loss per share of common stock (in dollars per share)
Basic	$ (0.04)	$ (0.10)	$ (0.16)	$ (0.36)
Diluted	$ (0.04)	$ (0.10)	$ (0.16)	$ (0.36)
Weighted average common shares outstanding (in shares)
Basic	145,940	107,767	144,599	106,838
Diluted	145,940	107,767	144,599	106,838