CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (in thousands, except share data) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 477,869	$ 444,998
Accounts receivable	187,810	233,297
Derivative assets	81,062	48,677
Prepaid expenses and other	9,535	10,231
Total current assets	756,276	737,203
Property and equipment (successful efforts method):
Proved oil and gas properties	10,483,159	10,258,368
Accumulated depletion, depreciation, and amortization	(6,339,303)	(6,188,147)
Unproved oil and gas properties, net of valuation allowance of $37,904 and $38,008, respectively	497,127	487,192
Wells in progress	342,875	287,267
Other property and equipment, net of accumulated depreciation of $57,338 and $56,512, respectively	45,694	38,099
Total property and equipment, net	5,029,552	4,882,779
Noncurrent assets:
Derivative assets	15,373	24,465
Other noncurrent assets	68,957	71,592
Total noncurrent assets	84,330	96,057
Total assets	5,870,158	5,716,039
Current liabilities:
Accounts payable and accrued expenses	522,279	532,289
Derivative liabilities	30,723	56,181
Other current liabilities	10,144	10,114
Total current liabilities	563,146	598,584
Noncurrent liabilities:
Revolving credit facility	0	0
Senior Notes, net	1,572,991	1,572,210
Asset retirement obligations	110,163	108,233
Deferred income taxes	330,782	280,811
Derivative liabilities	3,639	1,142
Other noncurrent liabilities	59,642	69,601
Total noncurrent liabilities	2,077,217	2,031,997
Commitments and contingencies (note 6)
Stockholders’ equity:
Common stock, $0.01 par value - authorized: 200,000,000 shares; issued and outstanding: 120,517,918 and 121,931,676 shares, respectively	1,205	1,219
Additional paid-in capital	1,743,567	1,779,703
Retained earnings	1,489,032	1,308,558
Accumulated other comprehensive loss	(4,009)	(4,022)
Total stockholders’ equity	3,229,795	3,085,458
Total liabilities and stockholders’ equity	$ 5,870,158	$ 5,716,039