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Stock-Based Compensation and Other Benefit Plans (Summary of Stock-Based Compensation) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Total stock-based compensation | $ 2,459 | $ 114 | $ 3,506
Equity Award [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Total stock-based compensation | 1,060 | 848 | 985
Liability Award [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Total stock-based compensation | $ 1,399 | $ (734) | $ 2,521

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