Stock-Based Compensation and Other Benefit Plans (Summary of Stock-Based Compensation) (Details) - USD ($) $ in Thousands |
3 Months Ended | |
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Mar. 31, 2021 |
Mar. 31, 2020 |
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| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||
| Total stock-based compensation | $ 1,559 | $ (2,569) |
| Equity Award [Member] | ||
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||
| Total stock-based compensation | 323 | 145 |
| Liability Award [Member] | ||
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||
| Total stock-based compensation | $ 1,236 | $ (2,714) |
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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 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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