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Indebtedness - Additional Information (Detail) $ in Millions | Nov. 14, 2017 | Mar. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
--- | --- | --- | ---
Debt Instrument [Line Items] |  |  |
Debt instrument, conversion rate | 0.013621 |  |
2024 Convertible Notes [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Debt Instrument Fair Value |  | $ 749.3 | $ 846.1

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