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Divestitures - 2023 Divestitures (Details) - USD ($) $ in Millions		12 Months Ended
	Oct. 25, 2024	Dec. 31, 2024	Dec. 31, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration]			Revenues
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Non-Core Properties, Williston Basin
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash proceeds received	$ 36.4		$ 39.1
Pre-tax net loss on sale	$ (0.6)		8.4
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Non-Operated Wellbore Properties, Williston Basin
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash proceeds received		$ 25.0	12.1
Discontinued Operations, Held-for-sale \| Williston Basin
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Impairment of assets held for sale			$ 5.6