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 Operations (Details)

v3.23.3
Change in Accounting Principle - Schedule of Effects of the Change to the Successful Efforts Method in the Consolidated Statements of Operations (Details) - USD ($)
$ / shares in Units, $ 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
Operating Expenses:                
Exploration $ 3,588     $ 2,942 [1]     $ 7,702 $ 7,237 [1]
Depreciation, depletion and amortization 138,598     129,895 [1]     391,911 359,494 [1]
Impairment of oil and gas properties 0     0 [1]     406,898 0 [1],[2]
Gain on sale of oil and gas properties (20,570)     0 [1]     (20,570) 0 [1]
General and administrative 29,339     24,253 [1]     86,905 71,485 [1]
Income From Operations 220,928     420,362 [1]     182,362 1,295,776 [1]
Other Expenses:                
Interest expense 43,149     46,929 [1]     136,694 141,020 [1]
Income Before Income Taxes 119,993     505,422 [1]     25,828 804,111 [1]
Income tax expense (benefit) (509)     (3,383) [1]     206,398 (6,536) [1]
Net Income $ 119,484 $ (107,896) $ 220,638 $ 502,039 [1] $ 303,251 $ (7,715) $ 232,226 $ 797,575 [1],[2]
Net Income Per Common Share:                
Basic (in dollars per share) $ 1.76     $ 8.14 [1]     $ 3.64 $ 12.94 [1]
Diluted (in dollars per share) $ 1.75     $ 8.11 [1]     $ 3.63 $ 12.88 [1]
Under Full Cost                
Operating Expenses:                
Exploration $ 0     $ 0     $ 0 $ 0
Depreciation, depletion and amortization 138,313     122,833     396,348 335,221
Impairment of oil and gas properties             0  
Gain on sale of oil and gas properties 0           0  
General and administrative 22,016     14,022     56,305 42,052
Income From Operations 211,554     440,597     602,555 1,356,719
Other Expenses:                
Interest expense 14,145     19,468     52,818 61,717
Income Before Income Taxes 139,623     553,118     529,897 944,357
Income tax expense (benefit) 10,663     (3,515)     174,636 (7,008)
Net Income $ 150,286     $ 549,603     $ 704,533 $ 937,349
Net Income Per Common Share:                
Basic (in dollars per share) $ 2.21     $ 8.91     $ 11.04 $ 15.21
Diluted (in dollars per share) $ 2.21     $ 8.88     $ 11.01 $ 15.14
Changes                
Operating Expenses:                
Exploration $ 3,588     $ 2,942     $ 7,702 $ 7,237
Depreciation, depletion and amortization 285     7,062     (4,437) 24,273
Impairment of oil and gas properties             406,898  
Gain on sale of oil and gas properties (20,570)           (20,570)  
General and administrative 7,323     10,231     30,600 29,433
Income From Operations 9,374     (20,235)     (420,193) (60,943)
Other Expenses:                
Interest expense 29,004     27,461     83,876 79,303
Income Before Income Taxes (19,630)     (47,696)     (504,069) (140,246)
Income tax expense (benefit) (11,172)     132     31,762 472
Net Income $ (30,802)     $ (47,564)     $ (472,307) $ (139,774)
[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