CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (in thousands, except share amounts) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Assets
Cash and cash equivalents	$ 441,415	$ 9,372
Accounts receivable	146,056	151,950
Derivative asset	63,685	54,521
Prepaid expenses and other	17,756	8,799
Total current assets	668,912	224,642
Proved oil and gas properties	5,938,351	5,700,418
Less - accumulated depletion, depreciation, and amortization	(3,243,072)	(2,836,532)
Unproved oil and gas properties	2,321,508	2,471,947
Wells in progress	287,106	235,147
Oil and gas properties held for sale, net	7,144	372,621
Other property and equipment, net of accumulated depreciation of $50,468 and $42,882, respectively	106,046	137,753
Total property and equipment, net	5,417,083	6,081,354
Derivative asset	60,035	67,575
Other noncurrent assets	32,896	19,940
Total other noncurrent assets	92,931	87,515
Total Assets	6,178,926	6,393,511
Liabilities
Accounts payable and accrued expenses	348,885	299,708
Derivative liability	87,791	115,464
Total current liabilities	436,676	415,172
Revolving credit facility	0	0
Senior Notes, net of unamortized deferred financing costs	2,768,346	2,766,719
Senior Convertible Notes, net of unamortized discount and deferred financing costs	137,012	130,856
Asset retirement obligation	100,958	96,134
Asset retirement obligation associated with oil and gas properties held for sale	0	26,241
Deferred income taxes	208,720	315,672
Derivative liability	67,676	98,340
Other noncurrent liabilities	47,497	47,244
Total noncurrent liabilities	3,330,209	3,481,206
Commitments and contingencies (note 6)
Stockholders' equity:
Common stock, $0.01 par value - authorized: 200,000,000 shares; issued and outstanding; 111,624,029 and 111,257,500 shares, respectively	1,116	1,113
Additional paid-in capital	1,734,217	1,716,556
Retained earnings	691,915	794,020
Accumulated other comprehensive loss	(15,207)	(14,556)
Total stockholders' equity	2,412,041	2,497,133
Total Liabilities and Stockholders' Equity	$ 6,178,926	$ 6,393,511