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v3.20.1

Financial Instruments and Risk Management (Narrative) (Details) bbl / d in Thousands, $ in Millions | 1 Months Ended | 2 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Apr. 30, 2020 bbl / d $ / bbl | Jun. 30, 2020 bbl / d $ / bbl | Mar. 31, 2020 USD ($) bbl / d contract OffsettingPosition | Mar. 31, 2019 USD ($) barrels_per_day contract | Dec. 31, 2019 item Acquisition | Dec. 31, 2020 $ / bbl
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |
Number of foreign currency derivatives | contract |  |  | 0 | 0 |  |
Amount of loss reclassified to interest expense |  |  | $ 0.4 | $ 0.7 |  |
Income taxes on deferred loss on fair value of interest rate derivative contracts |  |  | 2.6 |  |  |
Derivative loss |  |  | $ 1.1 |  |  |
Number of businesses acquired (in acquisitions) | Acquisition |  |  |  |  | 2 |
Number of offsetting positions (in positions) |  |  | 0 |  | 0 |
Commodity derivative contracts |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |
Daily production commitment (barrels per day) |  |  | 45 | 0 |  |
Interest Rate Swap |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |
Income taxes on deferred loss on fair value of interest rate derivative contracts |  |  | $ 0.7 |  |  |
Notes Due 2022 |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |
Debt instrument term |  |  | 10 years |  |  |
Subsequent Event | Commodity derivative contracts |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |
Daily production commitment (barrels per day) | bbl / d | 65 |  |  |  |  |
Average forward price (in dollars per barrel) | $ / bbl | 56.42 |  |  |  |  |
Forecast | Subsequent Event | Commodity derivative contracts |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |
Daily production commitment (barrels per day) | bbl / d |  | 45 |  |  |  |
Average forward price (in dollars per barrel) | $ / bbl |  | 47.20 |  |  |  | 56.42

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