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Restructuring - Additional Information (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2021 | Dec. 31, 2020 | Jun. 30, 2020 | Dec. 31, 2020
Restructuring Cost and Reserve |  |  |  |
Restructuring charges (benefits) | $ 0 |  | $ (14,548,000) |
November2020 Restructuring Plan Due To C O V I D19 |  |  |  |
Restructuring Cost and Reserve |  |  |  |
Restructuring charges (benefits) |  |  |  | $ 1,400,000
Restricted stock units |  |  |  |
Restructuring Cost and Reserve |  |  |  |
Benefit from reversal of previously recognized stock-based compensation expense |  |  | 72,700,000 |
Stock-based compensation expense recognized due to accelerated vesting |  |  | 22,900,000 |
Stock-Based Compensation Benefit |  |  |  |
Restructuring Cost and Reserve |  |  |  |
Restructuring charges (benefits) |  |  | (49,806,000) |
Stock-Based Compensation Benefit | November2020 Restructuring Plan Due To C O V I D19 |  |  |  |
Restructuring Cost and Reserve |  |  |  |
Restructuring charges (benefits) |  | $ 100,000 |  |
Severance and Other Employee Costs |  |  |  |
Restructuring Cost and Reserve |  |  |  |
Restructuring charges (benefits) |  |  | 32,130,000 |
Severance and Other Employee Costs | November2020 Restructuring Plan Due To C O V I D19 |  |  |  |
Restructuring Cost and Reserve |  |  |  |
Restructuring charges (benefits) |  | $ 1,500,000 |  |
Lease Termination and Other Costs |  |  |  |
Restructuring Cost and Reserve |  |  |  |
Restructuring charges (benefits) |  |  | $ 3,128,000 |

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