CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities:
Net income (loss)	$ (373,609)	$ 22,690
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Accretion of discount on available-for-sale debt securities	(53)	(48)
Accretion of discount on high yield		72
Accretion of discount on Senior Notes	144
Amortization of deferred offering costs	1,107	946
Depreciation, depletion, amortization and impairment	405,375	36,733
Change in fair value of derivative financial instruments	(3,525)	(4,305)
Stock option expense	2,109	1,727
Gain on debt extinguishment	(14,407)
Deferred tax (benefit)		(10)
Change in assets and liabilities:
Decrease (increase) in accounts receivable-trade	4,321	(1,481)
Decrease (increase) in other assets	(1,265)	656
Decrease (increase) in accounts payable and accruals	(12,957)	5,466
Decrease in other long-term liabilities	(956)	(4,088)
Net cash provided by operating activities	6,284	58,358
Cash flows from investing activities:
Purchase, exploration and development of oil and gas properties	(28,818)	(374,376)
Purchase of property and equipment	(150)	(1,592)
Net cash used in investing activities	(28,968)	(375,968)
Cash flows from financing activities:
Proceeds from Credit Facility	189,559	371,599
Payments on debt and debentures	(158,748)	(63,238)
Payments on taxes of vested restricted stock and proceeds from the exercise of options	(329)	(594)
Net cash provided by financing activities	30,482	307,767
Net increase (decrease) in cash and cash equivalents	7,798	(9,843)
Cash and cash equivalents at beginning of period	1,703	11,620
Cash and cash equivalents at end of period	9,501	1,777
Supplemental disclosure of cash flow information
Cash paid for interest, net of amounts capitalized	13,176	4,241
Noncash investing and financing activities
Accrued preferred stock dividend	7	$ 8
Exchange of Senior Notes for First Lien debt	$ 47,164