Supplemental Information on Oil and Gas Exploration and Production Activities (Unaudited) - Costs Incurred In Oil and Gas Property Acquisition and Development Activities (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
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| Extractive Industries [Abstract] | |||
| Acquisition | $ 15,260 | $ 37,598 | $ 119,444 |
| Development | 276,622 | 594,673 | 714,269 |
| Exploratory | 0 | 9,762 | 22,081 |
| Total | $ 291,882 | $ 642,033 | $ 855,794 |
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- Definition Total costs incurred in oil and gas properties acquisition and development activities No definition available.
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- References No definition available.
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- Definition Cost incurred, including capitalized costs and costs charged to expense, in acquisition of oil and gas properties. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Development costs incurred, including capitalized costs and costs charged to expense, in oil and gas activities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Exploration costs incurred, including capitalized costs and costs charged to expense, in oil and gas activities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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