Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Operating revenues
Oil and gas sales	$ 68,625	$ 31,803	$ 188,184	$ 105,426
Other revenues	226	132	673	660
Total operating revenues	68,851	31,935	188,857	106,086
Operating costs and expenses
Lease operating	7,761	5,776	19,308	17,107
Production taxes	3,469	1,192	9,103	3,951
Exploration	853	84	1,458	265
Depletion, depreciation and amortization	30,529	21,229	82,552	58,251
Impairment of oil and gas properties				61
Accretion of discount	170	146	434	427
General and administrative (including non-cash compensation expense)	13,974	3,832	25,611	11,508
Total operating expenses	56,756	32,259	138,466	91,570
Operating income (expense)	12,095	(324)	50,391	14,516
Other income (expense)
Interest expense	(6,879)	(5,716)	(22,712)	(17,868)
Net gain (loss) on commodity derivatives	(20,728)	(18,436)	4,444	20,122
Gain (loss) on sales of assets	(55)	205	(30)	1,561
Other income (expense), net	(27,662)	(23,947)	(18,298)	3,815
Income (loss) before income tax	(15,567)	(24,271)	32,093	18,331
Income tax provision
Current	15		48
Deferred	(359)	104	(141)	327
Total income tax provision	(344)	104	(93)	327
Net income (loss) including non-controlling interests	(15,223)	(24,375)	32,186	18,004
Net income (loss) attributable to non-controlling interests	(14,402)		33,007
Net income (loss) attributable to controlling interests	$ (821)	$ (24,375)	$ (821)	$ 18,004
Earnings (loss) per share:
Basic and diluted (in dollars per share)	$ (0.07)		$ (0.07)
Weighted average shares outstanding:
Basic and diluted (in shares)	12,500		12,500