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v3.21.2

Reorganization - Additional Information (Details) - USD ($) $ in Millions | 1 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 31, 2020 | Sep. 30, 2021
Restructuring charges, total | $ 5.6 |
Employee Severance |  |
Restructuring charges, total | 2.5 |
Payments for restructuring charges |  | $ 2.5
Accelerated Non-Cash Stock Option Expense |  |
Restructuring charges, total | $ 3.1 |

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