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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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