CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (in thousands, except share data) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 10	$ 10
Accounts receivable	136,613	184,732
Derivative assets	128,046	55,184
Prepaid expenses and other	10,221	12,708
Total current assets	274,890	252,634
Property and equipment (successful efforts method):
Proved oil and gas properties	8,307,165	8,934,020
Accumulated depletion, depreciation, and amortization	(4,713,442)	(4,177,876)
Unproved oil and gas properties	907,864	1,005,887
Wells in progress	226,452	118,769
Other property and equipment, net of accumulated depreciation of $66,025 and $64,032, respectively	37,062	72,848
Total property and equipment, net	4,765,101	5,953,648
Noncurrent assets:
Derivative assets	31,509	20,624
Other noncurrent assets	50,785	65,326
Total noncurrent assets	82,294	85,950
Total assets	5,122,285	6,292,232
Other property and equipment, accumulated depreciation	66,025	64,032
Current liabilities:
Accounts payable and accrued expenses	287,777	402,008
Derivative liabilities	76,969	50,846
Other current liabilities	12,532	19,189
Total current liabilities	377,278	472,043
Noncurrent liabilities:
Revolving credit facility	178,000	122,500
Senior Notes, net	2,175,038	2,610,298
Asset retirement obligations	87,014	84,134
Deferred income taxes	34,582	189,386
Derivative liabilities	33,068	3,444
Other noncurrent liabilities	52,197	61,433
Total noncurrent liabilities	2,559,899	3,071,195
Commitments and contingencies (note 6)
Stockholders’ equity:
Common stock, $0.01 par value - authorized: 200,000,000 shares; issued and outstanding: 114,572,800 and 112,987,952 shares, respectively	1,146	1,130
Additional paid-in capital	1,827,836	1,791,596
Retained earnings	365,872	967,587
Accumulated other comprehensive loss	(9,746)	(11,319)
Total stockholders’ equity	2,185,108	2,748,994
Total liabilities and stockholders’ equity	$ 5,122,285	$ 6,292,232
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	200,000,000	200,000,000
Common Stock, Shares, Issued	114,572,800	112,987,952
Common Stock, Shares, Outstanding	114,572,800	112,987,952