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v3.19.3.a.u2

Acquisitions and Divestitures (Details) |  |  | 1 Months Ended | 2 Months Ended | 3 Months Ended | 10 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 30, 2018 USD ($) | Jul. 31, 2017 USD ($) | Apr. 30, 2018 USD ($) a lease well $ / bbl | Feb. 28, 2017 USD ($) | Sep. 30, 2018 MBoe | Dec. 31, 2017 USD ($) | Dec. 31, 2019 USD ($) well | Dec. 31, 2018 USD ($) | Jul. 30, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |
Proceeds from sale of property and equipment and other |  |  |  | $ 25,000 |  | $ 234,292,000 | $ 969,000 | $ 8,212,000 |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Payments to acquire property |  | $ 249,000,000 |  |  |  |  | $ 2,900,000 |  |
Percentage of working interest acquired |  | 84.00% |  |  |  |  |  |  |
Percentage of working interest in investment |  |  |  |  |  |  |  |  | 16.00%
East Texas operating area |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |
Proceeds from sale of non-core oil and gas properties | $ 7,000,000 |  |  |  |  |  |  |  |
Gains on sale of assets and other, net | $ 4,000,000 |  |  |  |  |  |  |  |
Daily production (Mboe) | MBoe |  |  |  |  | 0.7 |  |  |  |
Hugoton Natural Gas Field |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |
Gains on sale of assets and other, net |  | $ 23,000,000 |  |  |  |  |  |  |
Working interest divested |  | 78.00% |  |  |  |  |  |  |
Proceeds from sale of property and equipment and other |  | $ 234,000,000 |  |  |  |  |  |  |
Chevron North Midway-Sunset Acquisition |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Number of leases acquired | lease |  |  | 2 |  |  |  |  |  |
Area of land acquired in lease (in acres) | a |  |  | 214 |  |  |  |  |  |
Drilling commitment assumed |  |  | $ 35,000,000 |  |  |  |  |  |
Drilling commitment, number of wells | well |  |  | 115 |  |  |  |  |  |
Drilling commitment, number of wells drilled | well |  |  |  |  |  |  | 18 |  |
Consideration transferred in acquisition |  |  | $ 0 |  |  |  |  |  |
Oil and gas delivery commitments, consecutive period for which price not met which will incur a toll |  |  | 30 days |  |  |  |  |  |
Oil and gas delivery commitments, fixed price to be met, less than (in dollars per barrel) | $ / bbl |  |  | 45 |  |  |  |  |  |

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