Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Revenues:
Oil and gas sales	$ 59,966	$ 35,976
Expenses:
Lease operating expenses	12,258	9,719
Production taxes	1,477	1,028
Depreciation, depletion and amortization	20,428	12,871
General and administrative	6,242	4,716
Accretion of asset retirement obligation	791	332
Interest expense	7,636	2,864
Costs and Expenses	48,832	31,530
Other income (expense):
Other income	189	227
Derivative expense	0	(437)
Other Income (Expense), Net	189	(210)
Income from operations	11,323	4,236
Income tax expense	0	349
Net income	11,323	3,887
Preferred stock dividend	1,280	1,280
Income available to common stockholders	$ 10,043	$ 2,607
Basic
Net income (loss) per share (in usd per share)	$ 0.15	$ 0.04
Diluted
Net income (loss) per share (in usd per share)	$ 0.15	$ 0.04
Weighted average number of common shares:
Basic (shares)	63,846	62,834
Diluted (shares)	63,902	63,029