CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
REVENUES:
Oil sales	$ 119,049	$ 53,143	$ 268,903	$ 146,281
Natural gas liquid sales	18,939	4,134	39,656	14,307
Natural gas sales	18,775	2,257	42,034	8,086
Losses on commodity derivative contracts - net	(45,296)	(33,726)	(42,999)	(10,249)
Other	38	124	941	331
Total revenues	111,505	25,932	308,535	158,756
EXPENSES:
Lease operating and workover	21,784	6,569	53,230	18,957
Gathering and transportation	2,583		2,583
Severance and other taxes	8,080	6,450	20,614	18,098
Asset retirement accretion	421	165	988	463
Depreciation, depletion, and amortization	74,789	30,692	169,595	86,601
General and administrative	13,911	7,948	40,209	18,966
Acquisition and transaction costs	194	2,675	11,686	2,675
Other	614		614
Total expenses	122,376	54,499	299,519	145,760
OPERATING INCOME (LOSS)	(10,871)	(28,567)	9,016	12,996
OTHER INCOME (EXPENSE)
Interest income	7	80	17	229
Interest expense - net of amounts capitalized	(25,950)	(908)	(53,438)	(3,587)
Total other income (expense)	(25,943)	(828)	(53,421)	(3,358)
INCOME (LOSS) BEFORE TAXES	(36,814)	(29,395)	(44,405)	9,638
Income tax benefit (expense)	13,208	11,592	16,188	(157,326)
NET LOSS	(23,606)	(17,803)	(28,217)	(147,688)
Preferred stock dividend (Note 10)	(2,569)		(9,254)
NET LOSS ATTRIBUTABLE TO COMMON SHAREHOLDERS	$ (26,175)	$ (17,803)	$ (37,471)	$ (147,688)
Basic and diluted net loss per share attributable to common shareholders (in dollars per share)	$ (0.40)	$ (0.27)	$ (0.57)	$ (2.54)
Basic and diluted weighted average number of common shares outstanding (in shares)	65,821	65,634	65,740	58,080