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Income Taxes - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Operating Loss Carryforwards [Line Items] |  |  |  |  |
Provision for income tax | $ 0.0 | $ 0.0 | $ 0.0 | $ 0.0 |
Other liabilities |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |
Deferred tax liability, net |  |  |  |  | $ 1.1

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