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Summary of Significant Accounting Policies - Summary Of Roll-Forward Of The Level 3 Derivative Asset And Liability On Loans (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Dec. 31, 2021
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Exercise of call option | $ 29,700 |
Ending value |  |
Derivative Liability [Member] | Promissory Note [Member] |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Opening value | 3,726 |
Initial fair value at the original issuance dates |  | 106
Change in fair value during the period | (361) | 3,620
Exercise of warrant | (3,365) |
Ending value |  | 3,726
Derivative Asset [Member] |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Opening value | 35,253 | 457
Amendment to loan to stockholder |  | 5
Change in fair value during the period | (5,572) | 34,791
Exercise of call option | (29,681) |
Ending value |  | 35,253
Promissory Note [Member] |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Opening value | 15,051 |
Initial fair value at the original issuance dates |  | 14,608
Change in fair value during the period | (51) | 443
Discharge of obligation through the issuance of Common Stock | (15,000) |
Ending value |  | $ 15,051

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