Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Current assets
Cash and cash equivalents	$ 7,161	$ 157,439
Accounts receivable, net	113,107	111,195
Derivative Asset, Current	20,594	0
Deferred income taxes	0	4,201
Other current assets	4,297	6,926
Total current assets	145,159	279,761
Oil and gas properties, full cost method
Proved properties, net	1,747,845	1,408,484
Unproved properties, not being amortized	499,722	377,437
Other property and equipment, net	7,580	8,294
Total property and equipment, net	2,255,147	1,794,215
Debt issuance costs	20,631	22,899
Other assets	19,897	13,885
Total Assets	2,440,834	2,110,760
Current liabilities
Accounts payable	102,579	57,146
Revenues and royalties payable	85,943	79,136
Accrued capital expenditures	89,022	87,031
Accrued interest	24,899	17,430
Advances for joint operations	4,391	19,967
Liabilities of discontinued operations	8,017	10,936
Derivative liabilities	135	9,947
Deferred Tax Liabilities, Net, Current	3,659	0
Other current liabilities	54,881	41,242
Total current liabilities	373,526	322,835
Long-term debt	1,019,791	900,247
Liabilities of discontinued operations	12,785	17,336
Deferred income taxes	58,151	16,856
Asset retirement obligations	10,041	6,576
Other liabilities	4,661	5,306
Liabilities	1,478,955	1,269,156
Commitments and contingencies
Shareholders’ equity
Common stock, $0.01 par value, 90,000,000 shares authorized; 46,087,406 issued and outstanding as of September 30, 2014 and 45,468,675 issued and outstanding as of December 31, 2013	461	455
Additional paid-in capital	908,133	879,948
Retained earnings (Accumulated deficit)	53,285	(38,799)
Total shareholders’ equity	961,879	841,604
Total Liabilities and Shareholders’ Equity	$ 2,440,834	$ 2,110,760