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v3.20.1

Derivatives and Fair Value (Summary of Commodity Swaps) (Details) | 12 Months Ended
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Dec. 31, 2019 $ / bbl bbl
Barrels | 274,870
Commodity Contract January 2020 Through June 2020 [Member] |
Barrels | 274,870
Weighted Average Fixed Price | $ / bbl | 66.70

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Balance Type: | na
Period Type: | duration

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- Definition Average fixed price related to the group of price risk swap derivatives. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | srt-types:perUnitItemType
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |