Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Operating revenues
Oil and gas sales	$ 32,582	$ 46,499	$ 86,060	$ 156,955
Other revenues	771	653	2,295	2,210
Total operating revenues	33,353	47,152	88,355	159,165
Operating costs and expenses
Lease operating	7,865	8,872	24,027	32,930
Production and ad valorem taxes	1,733	2,513	5,061	9,292
Exploration	998	5,556	1,237	6,184
Depletion, depreciation and amortization	36,550	52,766	116,449	156,151
Accretion of ARO liability	323	210	913	610
General and administrative	6,448	9,628	22,078	27,572
Other operating				4,188
Total operating expenses	53,917	79,545	169,765	236,927
Operating income (loss)	(20,564)	(32,393)	(81,410)	(77,762)
Other income (expense)
Interest expense	(12,792)	(16,722)	(40,397)	(47,553)
Gain on debt extinguishment			99,530
Net gain (loss) on commodity derivatives	4,014	90,483	(18,769)	111,714
Other income (expense)	364	(7)	251	(1,631)
Other income (expense), net	(8,414)	73,754	40,615	62,530
Income (loss) before income tax	(28,978)	41,361	(40,795)	(15,232)
Income tax provision (benefit)	(6,549)	6,519	(8,234)	(4,590)
Net income (loss)	(22,429)	34,842	(32,561)	(10,642)
Net income (loss) attributable to non-controlling interests	(12,576)	21,604	(18,374)	(7,625)
Net income (loss) attributable to controlling interests	(9,853)	13,238	(14,187)	(3,017)
Dividends and accretion on preferred stock	(765)		(765)
Net income (loss) attributable to common shareholders	$ (10,618)	$ 13,238	$ (14,952)	$ (3,017)
Earnings (loss) per share:
Basic - Net income (loss) attributable to common shareholders	$ (0.26)	$ 0.44	$ (0.44)	$ (0.12)
Diluted - Net income (loss) attributable to common shareholders	$ (0.26)	$ 0.44	$ (0.44)	$ (0.12)
Weighted average shares outstanding:
Basic (in shares)	41,375	30,432	34,300	25,591
Diluted (in shares)	41,375	30,432	34,300	25,591