Quarterly report pursuant to Section 13 or 15(d)

Change in Accounting Principle - Schedule of Effects of the Change to the Successful Efforts Method in the Consolidated Statements of Cash Flows (Details)

v3.23.3
Change in Accounting Principle - Schedule of Effects of the Change to the Successful Efforts Method in the Consolidated Statements of Cash Flows (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Sep. 30, 2023
Sep. 30, 2022
Cash flows from operating activities:                
Net income (loss) $ 119,484 $ (107,896) $ 220,638 $ 502,039 [1] $ 303,251 $ (7,715) $ 232,226 $ 797,575 [1],[2]
Adjustments to reconcile net income to net cash provided by operating activities:                
Depreciation, depletion and amortization             391,911 359,494 [2]
Impairment of oil and gas properties 0     0 [1]     406,898 0 [1],[2]
Amortization of non-cash debt related items, net             7,979 9,680 [2]
Deferred income tax benefit             (206,041) 1,110 [2]
Gain on sale of oil and gas properties             (20,570)  
Non-cash expense related to share-based awards             9,524 4,427 [2]
Accounts payable and accrued liabilities             (69,522) (8,649) [2]
Net cash provided by operating activities             794,263 1,021,686 [2]
Cash flows from investing activities:                
Capital expenditures             (751,004) (648,149) [2]
Acquisition of oil and gas properties             278,434 17,006 [2]
Net cash used in investing activities             (480,842) (661,516) [2]
Net change in cash and cash equivalents             61 (5,532) [2]
Balance, beginning of period     3,395     9,882 [2] 3,395 9,882 [2]
Balance, end of period 3,456     4,350 [2]     3,456 4,350 [2]
Under Full Cost                
Cash flows from operating activities:                
Net income (loss) 150,286     549,603     704,533 937,349
Adjustments to reconcile net income to net cash provided by operating activities:                
Depreciation, depletion and amortization             396,348 335,221
Impairment of oil and gas properties             0  
Amortization of non-cash debt related items, net             3,064 4,263
Deferred income tax benefit             (174,279) 1,626
Gain on sale of oil and gas properties             0  
Non-cash expense related to share-based awards             3,848 1,055
Accounts payable and accrued liabilities               (8,693)
Net cash provided by operating activities             905,850 1,128,870
Cash flows from investing activities:                
Capital expenditures             (854,889) (754,225)
Acquisition of oil and gas properties             286,136 18,114
Net cash used in investing activities             (592,429) (768,700)
Net change in cash and cash equivalents             61 (5,532)
Balance, beginning of period     3,395     9,882 3,395 9,882
Balance, end of period 3,456     4,350     3,456 4,350
Changes                
Cash flows from operating activities:                
Net income (loss) (30,802)     (47,564)     (472,307) (139,774)
Adjustments to reconcile net income to net cash provided by operating activities:                
Depreciation, depletion and amortization             (4,437) 24,273
Impairment of oil and gas properties             406,898  
Amortization of non-cash debt related items, net             4,915 5,417
Deferred income tax benefit             (31,762) (516)
Gain on sale of oil and gas properties             (20,570)  
Non-cash expense related to share-based awards             5,676 3,372
Accounts payable and accrued liabilities               44
Net cash provided by operating activities             (111,587) (107,184)
Cash flows from investing activities:                
Capital expenditures             103,885 106,076
Acquisition of oil and gas properties             (7,702) (1,108)
Net cash used in investing activities             111,587 107,184
Net change in cash and cash equivalents             0 0
Balance, beginning of period     $ 0     $ 0 0 0
Balance, end of period $ 0     $ 0     $ 0 $ 0
[1] Financial information for the prior period 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 period 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