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v3.21.2

Derivatives and Fair Value (Narrative) (Details) |  |  |  |  | 9 Months Ended
--- | --- | --- | --- | --- | ---
Aug. 06, 2021 $ / bbl bbl | May 06, 2021 $ / bbl bbl | Jan. 22, 2021 $ / bbl bbl | May 06, 2019 $ / bbl bbl | Sep. 30, 2021 $ / bbl bbl
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Barrels |  |  |  |  | 1,119,723
Commodity Contract, July 2019 Through June 2020 [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, average price per barrel | $ / bbl |  |  |  | 66.70 |
Barrels |  |  |  | 500,000 |
Commodity Contract, February 2021 Through January 2022 [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, average price per barrel | $ / bbl |  |  | 53.10 |  |
Barrels |  |  | 709,262 |  |
Commodity Contract, May 2021 Through October 2021 [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, average price per barrel | $ / bbl |  | 66.51 |  |  |
Barrels |  | 672,533 |  |  |
Commodity Contract Three - November 2021 To February 2022 [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, average price per barrel | $ / bbl | 67.70 |  |  |  | 67.70
Barrels | 314,420 |  |  |  | 314,420
Commodity Contract Four - March 2022 To June 2022 [Member] |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |
Derivative, average price per barrel | $ / bbl |  |  |  |  | 72.00
Barrels |  |  |  |  | 460,000

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