Stock-Based Compensation - Schedule of Stock-based Compensation Expense Recorded in Operating Expenses (Details) - USD ($) $ in Thousands |
12 Months Ended | |
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Dec. 31, 2020 |
Dec. 31, 2019 |
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| Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] | ||
| Stock-based compensation in operating expenses | $ 3,749 | $ 21,929 |
| Selling, General and Administrative [Member] | ||
| Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] | ||
| Stock-based compensation in operating expenses | 3,302 | 20,392 |
| Research and Development [Member] | ||
| Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] | ||
| Stock-based compensation in operating expenses | $ 447 | $ 1,537 |
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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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