Share-based Compensation (Schedule of Share-based Compensation Expense) (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2021 |
Mar. 31, 2020 |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Total share-based compensation expense (benefit), net | $ 11,916 | $ (2,804) |
| Less: amounts capitalized to oil and gas properties | (4,308) | (168) |
| Total share-based compensation expense (benefit), net | 7,608 | (2,972) |
| RSUs | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Total share-based compensation expense (benefit), net | 2,608 | 3,948 |
| Cash-Settled RSUs | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Total share-based compensation expense (benefit), net | 4,442 | (1,996) |
| Cash SARs | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Total share-based compensation expense (benefit), net | $ 4,866 | $ (4,756) |
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of cost capitalized for award under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of cost expensed and capitalized for award under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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