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Business Segments - Schedule of Segment Information (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2026 | Mar. 31, 2025 | Dec. 31, 2025
Segment Reporting Information [Line Items] |  |  |
Revenue from production | $ 732,354,000 | $ 672,730,000 |
Gain on sale of assets and other operating income | 1,200,000 | (7,000,000.0) |
Total revenues and other income | 733,600,000 | 665,700,000 |
Lease operating expenses |  |  |
Lease operating expenses and taxes other than income | 123,400,000 | 145,900,000 |
Repair and maintenance | 13,000,000.0 | 11,800,000 |
Workovers | 7,100,000 | 47,400,000 |
Total lease operating expenses | 143,464,000 | 205,079,000 |
Severance and ad valorem taxes | 13,746,000 | 8,650,000 |
Transportation, gathering and processing | 47,061,000 | 48,851,000 |
Selling and general expenses | 34,900,000 | 30,900,000 |
Exploration Expense [Abstract] |  |  |
Geological and geophysical | 1,600,000 | 3,500,000 |
Dry holes and previously suspended exploration costs | 67,100,000 | 200,000 |
Other exploratory costs, including undeveloped lease amortization and delay lease rentals | 14,100,000 | 10,800,000 |
Total exploration expenses | 82,815,000 | 14,488,000 |
Depreciation, depletion and amortization | 254,400,000 | 194,200,000 |
Impairment of assets | 0 | 0 |
Accretion of asset retirement obligations | 14,514,000 | 14,045,000 |
Other operating expenses | 4,400,000 | 5,600,000 |
Interest Income | (2,500,000) | (3,700,000) |
Interest expense, net of capitalization | 28,977,000 | 23,523,000 |
Income tax expense |  |  |
Current income tax expense | 13,100,000 | 16,300,000 |
Deferred income tax expense (benefit) | 36,800,000 | 16,400,000 |
Total income tax expense (benefit) | 49,900,000 | 32,700,000 |
Other segment costs (income) | (6,800,000) | 1,900,000 |
Net income including noncontrolling interest | 68,653,000 | 89,418,000 |
Additions to property, plant, equipment | 397,500,000 | 412,000,000.0 |
Total assets at quarter-end | 10,035,634,000 | 9,820,300,000 | $ 9,832,626,000
Revenue from production |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue from production | 732,354,000 | 672,730,000 |
Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Gain on sale of assets and other operating income | 1,200,000 | 2,500,000 |
Total revenues and other income | 733,600,000 | 675,200,000 |
Lease operating expenses |  |  |
Lease operating expenses and taxes other than income | 123,400,000 | 145,900,000 |
Repair and maintenance | 13,000,000.0 | 11,800,000 |
Workovers | 7,100,000 | 47,400,000 |
Total lease operating expenses | 143,500,000 | 205,100,000 |
Severance and ad valorem taxes | 13,700,000 | 8,700,000 |
Transportation, gathering and processing | 47,100,000 | 48,900,000 |
Selling and general expenses | 15,100,000 | 9,900,000 |
Exploration Expense [Abstract] |  |  |
Geological and geophysical | 1,600,000 | 3,500,000 |
Dry holes and previously suspended exploration costs | 67,100,000 | 200,000 |
Other exploratory costs, including undeveloped lease amortization and delay lease rentals | 14,100,000 | 10,800,000 |
Total exploration expenses | 82,800,000 | 14,500,000 |
Depreciation, depletion and amortization | 252,000,000.0 | 191,900,000 |
Accretion of asset retirement obligations | 14,400,000 | 14,000,000.0 |
Other operating expenses | 4,400,000 | 3,600,000 |
Interest Income | (200,000) | (400,000) |
Interest expense, net of capitalization | 200,000 | 0 |
Income tax expense |  |  |
Current income tax expense | 10,900,000 | 14,200,000 |
Deferred income tax expense (benefit) | 42,300,000 | 25,100,000 |
Total income tax expense (benefit) | 53,200,000 | 39,300,000 |
Other segment costs (income) | 1,800,000 | 1,500,000 |
Net income including noncontrolling interest | 105,600,000 | 138,200,000 |
Additions to property, plant, equipment | 388,200,000 | 407,800,000 |
Total assets at quarter-end | 9,557,500,000 | 9,355,400,000 |
Operating Segments | United States |  |  |
Segment Reporting Information [Line Items] |  |  |
Gain on sale of assets and other operating income | 800,000 | 2,100,000 |
Total revenues and other income | 575,500,000 | 509,500,000 |
Lease operating expenses |  |  |
Lease operating expenses and taxes other than income | 80,800,000 | 100,300,000 |
Repair and maintenance | 12,300,000 | 10,200,000 |
Workovers | 4,700,000 | 47,100,000 |
Total lease operating expenses | 97,800,000 | 157,600,000 |
Severance and ad valorem taxes | 12,900,000 | 8,400,000 |
Transportation, gathering and processing | 25,200,000 | 28,700,000 |
Selling and general expenses | 5,500,000 | 2,000,000.0 |
Exploration Expense [Abstract] |  |  |
Geological and geophysical | 800,000 | 3,200,000 |
Dry holes and previously suspended exploration costs | 0 | 200,000 |
Other exploratory costs, including undeveloped lease amortization and delay lease rentals | 4,900,000 | 2,700,000 |
Total exploration expenses | 5,700,000 | 6,100,000 |
Depreciation, depletion and amortization | 216,900,000 | 159,400,000 |
Accretion of asset retirement obligations | 11,600,000 | 11,300,000 |
Other operating expenses | 4,000,000.0 | 2,600,000 |
Interest Income | (200,000) | (400,000) |
Interest expense, net of capitalization | 100,000 | 0 |
Income tax expense |  |  |
Current income tax expense | 1,000,000.0 | 500,000 |
Deferred income tax expense (benefit) | 37,300,000 | 24,500,000 |
Total income tax expense (benefit) | 38,300,000 | 25,000,000.0 |
Other segment costs (income) | 1,100,000 | 900,000 |
Net income including noncontrolling interest | 156,600,000 | 107,900,000 |
Additions to property, plant, equipment | 254,800,000 | 317,100,000 |
Total assets at quarter-end | 6,916,500,000 | 7,046,300,000 |
Operating Segments | Canada |  |  |
Segment Reporting Information [Line Items] |  |  |
Gain on sale of assets and other operating income | 400,000 | 400,000 |
Total revenues and other income | 155,200,000 | 165,700,000 |
Lease operating expenses |  |  |
Lease operating expenses and taxes other than income | 41,800,000 | 45,200,000 |
Repair and maintenance | 700,000 | 1,600,000 |
Workovers | 2,400,000 | 300,000 |
Total lease operating expenses | 44,900,000 | 47,100,000 |
Severance and ad valorem taxes | 800,000 | 300,000 |
Transportation, gathering and processing | 21,900,000 | 20,200,000 |
Selling and general expenses | 7,500,000 | 6,000,000.0 |
Exploration Expense [Abstract] |  |  |
Geological and geophysical | 0 | 0 |
Dry holes and previously suspended exploration costs | 0 | 0 |
Other exploratory costs, including undeveloped lease amortization and delay lease rentals | 0 | 100,000 |
Total exploration expenses | 0 | 100,000 |
Depreciation, depletion and amortization | 34,000,000.0 | 32,400,000 |
Accretion of asset retirement obligations | 2,600,000 | 2,500,000 |
Other operating expenses | 100,000 | 900,000 |
Interest Income | 0 | 0 |
Interest expense, net of capitalization | 100,000 | 0 |
Income tax expense |  |  |
Current income tax expense | 9,600,000 | 13,700,000 |
Deferred income tax expense (benefit) | 1,600,000 | 600,000 |
Total income tax expense (benefit) | 11,200,000 | 14,300,000 |
Other segment costs (income) | 400,000 | 400,000 |
Net income including noncontrolling interest | 31,700,000 | 41,500,000 |
Additions to property, plant, equipment | 62,100,000 | 55,400,000 |
Total assets at quarter-end | 1,980,300,000 | 1,963,400,000 |
Operating Segments | Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Gain on sale of assets and other operating income | 0 | 0 |
Total revenues and other income | 2,900,000 | 0 |
Lease operating expenses |  |  |
Lease operating expenses and taxes other than income | 800,000 | 400,000 |
Repair and maintenance | 0 | 0 |
Workovers | 0 | 0 |
Total lease operating expenses | 800,000 | 400,000 |
Severance and ad valorem taxes | 0 | 0 |
Transportation, gathering and processing | 0 | 0 |
Selling and general expenses | 2,100,000 | 1,900,000 |
Exploration Expense [Abstract] |  |  |
Geological and geophysical | 800,000 | 300,000 |
Dry holes and previously suspended exploration costs | 67,100,000 | 0 |
Other exploratory costs, including undeveloped lease amortization and delay lease rentals | 9,200,000 | 8,000,000.0 |
Total exploration expenses | 77,100,000 | 8,300,000 |
Depreciation, depletion and amortization | 1,100,000 | 100,000 |
Accretion of asset retirement obligations | 200,000 | 200,000 |
Other operating expenses | 300,000 | 100,000 |
Interest Income | 0 | 0 |
Interest expense, net of capitalization | 0 | 0 |
Income tax expense |  |  |
Current income tax expense | 300,000 | 0 |
Deferred income tax expense (benefit) | 3,400,000 | 0 |
Total income tax expense (benefit) | 3,700,000 | 0 |
Other segment costs (income) | 300,000 | 200,000 |
Net income including noncontrolling interest | (82,700,000) | (11,200,000) |
Additions to property, plant, equipment | 71,300,000 | 35,300,000 |
Total assets at quarter-end | 660,700,000 | 345,700,000 |
Operating Segments | Revenue from production |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue from production | 732,400,000 | 672,700,000 |
Operating Segments | Revenue from production | United States |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue from production | 574,700,000 | 507,400,000 |
Operating Segments | Revenue from production | Canada |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue from production | 154,800,000 | 165,300,000 |
Operating Segments | Revenue from production | Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue from production | 2,900,000 | 0 |
Corporate and Discontinued Operations |  |  |
Segment Reporting Information [Line Items] |  |  |
Gain on sale of assets and other operating income | 0 | (9,500,000) |
Total revenues and other income | 0 | (9,500,000) |
Lease operating expenses |  |  |
Lease operating expenses and taxes other than income | 0 | 0 |
Repair and maintenance | 0 | 0 |
Workovers | 0 | 0 |
Total lease operating expenses | 0 | 0 |
Severance and ad valorem taxes | 0 | 0 |
Transportation, gathering and processing | 0 | 0 |
Selling and general expenses | 19,800,000 | 21,000,000.0 |
Exploration Expense [Abstract] |  |  |
Geological and geophysical | 0 | 0 |
Dry holes and previously suspended exploration costs | 0 | 0 |
Other exploratory costs, including undeveloped lease amortization and delay lease rentals | 0 | 0 |
Total exploration expenses | 0 | 0 |
Depreciation, depletion and amortization | 2,400,000 | 2,300,000 |
Accretion of asset retirement obligations | 100,000 | 0 |
Other operating expenses | 0 | 2,000,000.0 |
Interest Income | (2,300,000) | (3,300,000) |
Interest expense, net of capitalization | 28,800,000 | 23,500,000 |
Income tax expense |  |  |
Current income tax expense | 2,200,000 | 2,100,000 |
Deferred income tax expense (benefit) | (5,500,000) | (8,700,000) |
Total income tax expense (benefit) | (3,300,000) | (6,600,000) |
Other segment costs (income) | (8,600,000) | 400,000 |
Net income including noncontrolling interest | (36,900,000) | (48,800,000) |
Additions to property, plant, equipment | 9,300,000 | 4,200,000 |
Total assets at quarter-end | 478,100,000 | 464,900,000 |
Corporate and Discontinued Operations | Revenue from production |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue from production | $ 0 | $ 0 |

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- Definition Exploration expenses (including prospecting) related to oil and gas producing entities and would be included in operating expenses of that entity. Costs incurred in identifying areas that may warrant examination and in examining specific areas that are considered to have prospects of containing oil and gas reserves, including costs of drilling exploratory wells and exploratory-type stratigraphic test wells. Exploration costs may be incurred both before acquiring the related property (sometimes referred to in part as prospecting costs) and after acquiring the property. Principal types of exploration costs, which include depreciation and applicable operating costs of support equipment and facilities and other costs of exploration activities, are: (i) Costs of topographical, geographical and geophysical studies, rights of access to properties to conduct those studies, and salaries and other expenses of geologists, geophysical crews, and others conducting those studies. Collectively, these are sometimes referred to as geological and geophysical or "G&G" costs. (ii) Costs of carrying and retaining undeveloped properties, such as delay rentals, ad valorem taxes on properties, legal costs for title defense, and the maintenance of land and lease records. (iii) Dry hole contributions and bottom hole contributions. (iv) Costs of drilling and equipping exploratory wells. (v) Costs of drilling exploratory-type stratigraphic test wells. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 932 -SubTopic 235 -Name Accounting Standards Codification -Section 50 -Paragraph 28 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477215/932-235-50-28 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 932 -SubTopic 235 -Name Accounting Standards Codification -Section 50 -Paragraph 28 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477215/932-235-50-28 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 932 -SubTopic 235 -Name Accounting Standards Codification -Section 50 -Paragraph 23 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477215/932-235-50-23 + Details
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