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Equity Based Compensation - Summary of Compensation Expense (Detail) - USD ($) | 3 Months Ended | 12 Months Ended
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Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021 | Dec. 31, 2020
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |
Total equity-based compensation expense | $ 52,686,000 | $ 175,000 | $ 699,000,000 | $ 730,000,000
Research and Development Expense [Member] |  |  |  |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |
Total equity-based compensation expense | 17,367,000 |  |  |
General and Administrative Expense [Member] |  |  |  |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |
Total equity-based compensation expense | $ 35,319,000 | $ 175,000 |  |

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