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Divestitures (Details) $ in Thousands |  |  |  | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | ---
Jun. 29, 2021 USD ($) | May 20, 2021 USD ($) | Mar. 22, 2021 USD ($) | Sep. 30, 2021 USD ($) $ / bbl | Jun. 30, 2021 USD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2021 USD ($) $ / bbl | Sep. 30, 2020 USD ($) | Dec. 31, 2025 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Income before income taxes |  |  |  | $ 83,332 |  | $ (52,241) | $ 129,376 | $ (4,733,216) |  |  |
Divestitures | Permian Basin Sale |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Proceeds from divestiture, net of adjustments |  |  |  |  | $ 24,000 |  |  |  |  |  |
Gain (loss) on divestiture |  |  |  | 4,900 |  |  | 227,400 |  |  |  |
Income before income taxes |  |  |  | $ 5,900 |  | $ 12,100 | $ 268,100 | $ (883,000) |  |  |
Divestitures | Primary Permian Basin Sale |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Consideration transferred from divestiture |  | $ 450,000 |  |  |  |  |  |  |  |  |
Proceeds from divestiture |  | $ 375,000 |  |  |  |  |  |  |  |  |
Contingent consideration, minimum average daily settlement price, requiring additional payment (in dollars per barrel) | $ / bbl |  |  |  | 60.00 |  |  | 60.00 |  |  |  |
Proceeds from divestiture, net of adjustments | $ 347,300 |  |  |  |  |  |  |  |  |  |
Divestitures | Primary Permian Basin Sale | Anticipated |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Proceeds from divestiture |  |  |  |  |  |  |  |  | $ 25,000 | $ 25,000 | $ 25,000
Divestitures | Well Services Exit |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Consideration transferred from divestiture |  |  | $ 5,500 |  |  |  |  |  |  |  |
Proceeds from divestiture |  |  | 2,600 |  |  |  |  |  |  |  |
Divestitures | Well Services Exit | Promissory Note |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Promissory note |  |  | $ 2,900 |  |  |  |  |  |  |  |
Stated interest rate |  |  | 6.60% |  |  |  |  |  |  |  |

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