Consolidated Statements of Cash Flows - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022		Dec. 31, 2021
Cash flows from operating activities:
Net income		$ 401,201	$ 1,019,443	[1]	$ 133,561	[1]
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization		535,661	494,229	[1]	388,612	[1]
Impairment of oil and gas properties		406,898	2,201	[2]	52,295	[2]
Amortization of non-cash debt related items, net		10,790	12,332	[1]	20,033	[1]
Deferred income tax (benefit) expense		(187,270)	6,308	[1]	0	[1]
(Gain) loss on derivative contracts		(18,898)	330,953	[1]	522,300	[1]
Cash received (paid) for commodity derivative settlements, net		2,922	(493,714)	[1]	(395,097)	[1]
Gain on sale of oil and gas properties		(23,476)	0		0
(Gain) loss on extinguishment of debt		(1,238)	45,658	[1]	41,040	[1]
Non-cash expense related to share-based awards		11,413	8,042	[1]	25,857	[1]
Other, net		5,387	7,136	[1]	11,037	[1]
Changes in current assets and liabilities:
Accounts receivable		48,285	(3,480)	[1]	(86,402)	[1]
Other current assets		(16,462)	(15,392)	[1]	(10,399)	[1]
Accounts payable and accrued liabilities		(82,684)	(58,043)	[1]	146,910	[1]
Net cash provided by operating activities		1,092,529	1,355,673	[1]	849,747	[1]
Cash flows from investing activities:
Capital expenditures		(968,982)	(848,688)	[1]	(454,361)	[1]
Acquisition of oil and gas properties		(287,939)	(26,706)	[1]	(493,462)	[1]
Proceeds from sales of assets		553,222	27,093	[1]	188,101	[1]
Cash paid for settlement of contingent consideration arrangement		0	(19,171)	[1]	0	[1]
Other, net		(3,612)	14,289	[1]	7,718	[1]
Net cash used in investing activities		(707,311)	(853,183)	[1]	(752,004)	[1]
Cash flows from financing activities:
Borrowings on credit facility		3,513,000	3,286,000	[1]	2,140,500	[1]
Payments on credit facility		(3,651,000)	(3,568,000)	[1]	(2,340,500)	[1]
Payment of deferred financing costs		(922)	(21,898)	[1]	(12,672)	[1]
Cash paid to repurchase common stock		(55,505)	0	[1]	0	[1]
Other, net		(3,623)	1,715	[1]	(2,670)	[1]
Net cash used in financing activities		(385,288)	(508,977)	[1]	(108,097)	[1]
Net change in cash and cash equivalents		(70)	(6,487)	[1]	(10,354)	[1]
Balance, beginning of period	[1]	3,395	9,882		20,236
Balance, end of period		3,325	3,395	[1]	9,882	[1]
Issuance of 7.5% Senior Notes due 2030
Cash flows from financing activities:
Issuance of 7.5% Senior Notes due 2030		0	600,000	[1]	650,000	[1]
6.125% Senior Notes
Cash flows from financing activities:
Redemption of Senior Notes		0	(467,287)	[1]	(542,755)	[1]
9.0% Second Lien Senior Secured Notes Due 2025
Cash flows from financing activities:
Redemption of 9.0% Second Lien Senior Secured Notes due 2025		0	(339,507)	[1]	0	[1]
8.25% Senior Notes due 2025
Cash flows from financing activities:
Redemption of Senior Notes		$ (187,238)	$ 0	[1]	$ 0	[1]

[1] Financial information for the prior periods has been recast to reflect retrospective application of the successful efforts method of accounting. See “Note 2 - Summary of Significant Accounting Policies” for additional information.

[2] Financial information for the prior periods has been recast to reflect retrospective application of the successful efforts method of accounting. See “Note 2 - Summary of Significant Accounting Policies” for additional information.