CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ (758,566)	$ 1,160
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Loss on sale of oil and gas properties	111,778
Deferred income taxes	(146,118)	1,487
Leasehold impairments, dry hole costs and other exploration costs	70,309	11,449
Impairment of oil and gas properties	547,101	271
Depreciation, depletion and amortization	261,907	283,390
(Gain) loss on derivative financial instruments	(1,705)	2,763
Settlements of derivative financial instruments	391	(5,702)
Net gain on extinguishment of debt	(55,586)
Amortization of debt discount, premium and issuance costs	3,952	3,140
Stock-based compensation	6,061	7,842
Excess income taxes from stock-based compensation	1,943	1,087
(Increase) decrease in accounts receivable	25,277	(20,257)
(Increase) decrease in other current assets	7,292	(1,561)
Increase (decrease) in accounts payable and accrued liabilities	(50,560)	43,914
Net cash provided by operating activities	23,476	328,983
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(232,896)	(502,362)
Proceeds from asset sales	102,674
Net cash used for investing activities	(130,222)	(502,362)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings	790,000	300,750
Principal payments on debt	(502,815)	(100,000)
Debt issuance costs	(16,201)	(2,524)
Tax withholdings related to restricted stock	(526)	(2,349)
Excess income taxes from stock-based compensation	(1,943)	(1,087)
Dividends paid		(17,945)
Net cash provided by financing activities	268,515	176,845
Net increase in cash and cash equivalents	161,769	3,466
Cash and cash equivalents, beginning of period	2,071	2,967
Cash and cash equivalents, end of period	$ 163,840	$ 6,433