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Supplemental Oil and Gas Reserve Information - Unaudited - Narrative (Details) Boe in Thousands, $ in Millions |  | 12 Months Ended
--- | --- | ---
Jul. 01, 2022 USD ($) | Dec. 31, 2022 USD ($) Boe $ / bbl $ / MMBTU | Dec. 31, 2021 Boe $ / bbl $ / MMBTU | Dec. 31, 2020 Boe $ / bbl $ / MMBTU
Reserve Quantities [Line Items] |  |  |  |
Proved developed reserve, increase (decrease) |  |  |  | (103,900)
Purchases of reserves in place |  | 349,768 | 57,015 |
Extensions, discoveries and other additions |  | 51,544 | 10,157 | 6,021
Revisions of previous estimates |  | 47,110 | 53,871 | (86,251)
Proved developed and undeveloped reserve, production (energy) |  | 43,722 | 21,182 | 23,686
Proved developed and undeveloped reserves, sale of mineral in place (energy) |  | 0 | (31,461) |
Additional proved undeveloped reserves |  |  | 7,600 | 2,800
Estimated extensions and discoveries of reserves associated with new wells |  |  | 2,600 | 3,200
Discount rate |  | 10.00% |  |
Unweighted arithmetic average first-day-of-the-month prices for oil (in dollars per Bbl) | $ / bbl |  | 93.67 | 66.55 | 39.54
Unweighted arithmetic average first-day-of-the-month prices for natural gas (in dollars per MMBtu) | $ / MMBTU |  | 6.36 | 3.64 | 2.03
Proved Undeveloped Reserves |  |  |  |
Reserve Quantities [Line Items] |  |  |  |
Purchases of reserves in place |  | 68,097 |  |
Extensions, discoveries and other additions |  | 50,250 |  |
Revisions of previous estimates |  | 1,060 |  |
Proved undeveloped reserve, increase |  | 76,400 |  |
Capital expenditures incurred but not yet paid | $ |  | $ 270.8 |  |
Amount converted to proved developed reserves |  | 43,100 |  |
PUD conversions, percent of reserve |  | 56.00% |  |
Whiting Merger | Proved Undeveloped Reserves |  |  |  |
Reserve Quantities [Line Items] |  |  |  |
Capital expenditures incurred but not yet paid | $ | $ 147.9 |  |  |
Amount converted to proved developed reserves |  | 28,000 |  |
Revision From Change To Reporting Reserves On A Three-Stream Basis |  |  |  |
Reserve Quantities [Line Items] |  |  |  |
Revisions of previous estimates |  | 30,300 |  |
Revision From Change To Reporting Reserves On A Three-Stream Basis | Proved Undeveloped Reserves |  |  |  |
Reserve Quantities [Line Items] |  |  |  |
Positive (negative) revisions of previous estimates - proved developed reserves |  | 6,700 |  |
Revision of Previous Estimate Due to Realized Prices |  |  |  |
Reserve Quantities [Line Items] |  |  |  |
Revisions of previous estimates |  | 26,100 | 37,200 |
Positive (negative) revisions of previous estimates - proved developed reserves |  |  |  | 31,900
Revision of Previous Estimate Due to Realized Prices | Proved Undeveloped Reserves |  |  |  |
Reserve Quantities [Line Items] |  |  |  |
Positive (negative) revisions of previous estimates - proved developed reserves |  | 1,900 |  |
Revision Due to Performance |  |  |  |
Reserve Quantities [Line Items] |  |  |  |
Revisions of previous estimates |  | 2,600 | 22,900 |
Revision of Previous Estimate Due to Lower Operating Expenses |  |  |  |
Reserve Quantities [Line Items] |  |  |  |
Revisions of previous estimates |  | 5,200 | (6,200) |
Revision of Previous Estimate Due to (Mis)Alignment With Development Plan |  |  |  |
Reserve Quantities [Line Items] |  |  |  |
Revisions of previous estimates |  |  |  | 60,100
Positive (negative) revisions of previous estimates - proved undeveloped reserves |  |  | 38,600 |
Revisions Due to Addition of Proved Undeveloped Reserves (PUDs) |  |  |  |
Reserve Quantities [Line Items] |  |  |  |
Revisions of previous estimates |  |  |  | (5,600)
Williston Basin |  |  |  |
Reserve Quantities [Line Items] |  |  |  |
Proved developed reserve, increase (decrease) |  | 404,700 | 68,400 |
Purchases of reserves in place |  | 349,800 | 57,000 | 0
Proved developed and undeveloped reserves, sale of mineral in place (energy) |  |  | 0 |
Williston Basin | Proved Undeveloped Reserves |  |  |  |
Reserve Quantities [Line Items] |  |  |  |
Proved developed reserves, percent |  | 11.00% |  |
Williston Basin | Revision Due to Performance |  |  |  |
Reserve Quantities [Line Items] |  |  |  |
Revisions of previous estimates |  | 6,700 |  |
Williston Basin | Revision Due to Performance | Proved Undeveloped Reserves |  |  |  |
Reserve Quantities [Line Items] |  |  |  |
Positive (negative) revisions of previous estimates - proved developed reserves |  | (7,500) |  |
Permian Basin |  |  |  |
Reserve Quantities [Line Items] |  |  |  |
Proved developed and undeveloped reserves, sale of mineral in place (energy) |  | 0 |  |
Bakken or Three Forks Formations Area | Revision Due To Removal Of Midstream Operations |  |  |  |
Reserve Quantities [Line Items] |  |  |  |
Revisions of previous estimates |  |  | (5,200) |

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