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The Company - Additional Information (Detail) - USD ($) $ in Thousands |  | 1 Months Ended | 3 Months Ended | 10 Months Ended
--- | --- | --- | --- | ---
Jan. 09, 2019 | Dec. 31, 2018 | Mar. 31, 2022 | Dec. 31, 2021
Nature Of Operations [Line Items] |  |  |  |
Incorporation date of entity |  | Dec. 12, 2018 | Feb. 25, 2021 | Feb. 25, 2021
Initial capital |  | $ 75,000,000 |  |
Regen And Twin City Bio LLC [Member] |  |  |  |
Nature Of Operations [Line Items] |  |  |  |
Business combination consideration transferred | $ 62,000,000 |  |  |

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