Consolidated Statements Of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Crude oil revenues	$ 111,257	$ 165,962	$ 194,315	$ 296,324
Natural gas liquids revenues	3,799	5,983	8,272	11,871
Natural gas revenues	8,438	21,530	20,957	42,492
Total revenues	123,494	193,475	223,544	350,687
Costs and Expenses
Lease operating	23,375	17,378	45,091	29,983
Production taxes	5,031	8,182	9,049	14,273
Ad valorem taxes	1,723	1,906	4,756	3,334
Depreciation, depletion and amortization	79,331	80,746	153,202	145,340
General and administrative	19,095	27,682	50,672	55,943
(Gain) loss on derivatives, net	12,595	39,950	(13,844)	60,630
Interest expense, net	16,999	11,931	35,195	24,356
Loss on extinguishment of debt	38,137	0	38,137	0
Other expense, net	281	413	7,273	987
Total Costs and Expenses	196,567	188,188	329,531	334,846
Income (Loss) From Continuing Operations Before Income Taxes	(73,073)	5,287	(105,987)	15,841
Income tax (expense) benefit	26,103	(2,073)	37,541	(6,006)
Income (Loss) From Continuing Operations	(46,970)	3,214	(68,446)	9,835
Income (Loss) From Discontinued Operations, Net of Income Taxes	838	(895)	1,104	(1,540)
Net Income (loss)	$ (46,132)	$ 2,319	$ (67,342)	$ 8,295
Net Income (Loss) Per Common Share - Basic
Income (loss) from continuing operations - basic (in dollars per share)	$ (0.92)	$ 0.07	$ (1.40)	$ 0.22
Income (loss) from discontinued operations - basic (in dollars per share)	0.02	(0.02)	0.02	(0.04)
Income (loss) per share, basic (in dollars per share)	(0.90)	0.05	(1.38)	0.18
Net Income (Loss) Per Common Share - Diluted
Income (loss) from continuing operations - diluted (in dollars per share)	(0.92)	0.07	(1.40)	0.21
Income (loss) from discontinued operations - diluted (in dollars per share)	0.02	(0.02)	0.02	(0.03)
Income (loss) per share, diluted (in dollars per share)	$ (0.90)	$ 0.05	$ (1.38)	$ 0.18
Weighted Average Common Shares Outstanding
Basic (in shares)	51,225	45,213	48,827	45,109
Diluted (in shares)	51,225	46,158	48,827	45,988