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OIL AND NATURAL GAS PROPERTIES - Divestitures (Details) - Disposal Group, Disposed of by Sale, Not Discontinued Operations - TWL Investments
$ in Millions
Sep. 01, 2021
USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]  
Proceeds from divestures $ 0.2
Book value of divestures 3.0
Book value of asset retirement obligation $ 5.7