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Acquisitions And Divestitures - Narrative (Details) $ in Thousands, shares in Millions |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jul. 03, 2019 USD ($) | Feb. 17, 2017 USD ($) a shares | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |
Royalty interests | $ 9,200 |  |  |  |  |  |
Contingent payments | 2 years |  |  |  |  |  |
Asset retirement obligation liabilities removed |  |  |  |  | $ 30,000 |  |
Non-operated interests |  |  |  |  | 48,527 | $ 5,114 | $ 4,866
Proceeds from Operating Activities |  |  |  |  | 7,000 |  |
Acquisition costs |  |  |  |  | $ 0 | $ 0 | 2,392
Utica Shale |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Non-operated interests |  |  | $ 29,000 |  |  |  |
Vitruvian |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Net surface area acquired (in acres) | a |  | 46,400 |  |  |  |  |
Total initial price |  | $ 1,850,000 |  |  |  |  |
Payments to acquire businesses |  | $ 1,350,000 |  |  |  |  |
Equity interest issued or issuable, number of shares (in shares) | shares |  | 23.9 |  |  |  |  |
Acquisition costs |  |  |  |  |  |  | $ 2,392
Vitruvian | Indemnity Escrow |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Equity interest issued or issuable, number of shares (in shares) | shares |  | 5.2 |  |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Operating Expense |  |  |  | $ 19,700 |  |  |

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