Fair Value Measurements - Additional Information (Detail) - USD ($) |
3 Months Ended | 4 Months Ended | 7 Months Ended | 9 Months Ended | |
|---|---|---|---|---|---|
Sep. 30, 2021 |
Sep. 30, 2020 |
Sep. 30, 2020 |
Dec. 31, 2020 |
Sep. 30, 2021 |
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||
| Fair value Level transfer amount | $ 0 | $ 0 | |||
| Change in fair value of derivative warrant liabilities | 8,002,140 | $ 574,660 | $ 574,660 | $ (22,411,660) | 42,386,130 |
| Warrant [Member] | |||||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||
| Change in fair value of derivative warrant liabilities | $ 575,000 | $ 575,000 | |||
| Change in fair value of derivative warrant liabilities | $ 22,400,000 | ||||