Stock-based Compensation - Expense by Line Item (Details) - USD ($) $ in Thousands |
12 Months Ended | |
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Dec. 31, 2021 |
Dec. 31, 2020 |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Share-based compensation expense | $ 108,360 | $ 84,280 |
| Unrecognized compensation cost | 117,800 | |
| Research and development | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Share-based compensation expense | 25,768 | 59,410 |
| General and administrative | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Share-based compensation expense | $ 82,592 | $ 24,870 |
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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 not yet recognized for nonvested 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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