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v3.21.2

Financial Instruments and Hedging Activities - Crude Oil Derivative Contracts (Details) barrels_per_day in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2021 barrels_per_day $ / bbl | Dec. 31, 2021 barrels_per_day $ / bbl
Commodity derivative contracts |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Oil and Gas Delivery Commitments and Contracts, Daily Production | barrels_per_day | 45 |
Average forward price (in dollars per barrel) | 42.77 |
Commodity derivative contracts | Forecast |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Oil and Gas Delivery Commitments and Contracts, Daily Production | barrels_per_day |  | 20
Average forward price (in dollars per barrel) |  | 44.88
Commodity collars |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Oil and Gas Delivery Commitments and Contracts, Daily Production | barrels_per_day | 0 |
Commodity collars | Minimum |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Average forward price (in dollars per barrel) | 0 |
Commodity collars | Maximum |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Average forward price (in dollars per barrel) | 0 |
Commodity collars | Forecast |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Oil and Gas Delivery Commitments and Contracts, Daily Production | barrels_per_day |  | 16
Commodity collars | Forecast | Minimum |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Average forward price (in dollars per barrel) |  | 60.38
Commodity collars | Forecast | Maximum |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Average forward price (in dollars per barrel) |  | 71.83

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