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Fair Value of Financial Instruments - Additional Information (Detail) - USD ($) |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Jan. 05, 2022 | Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Changes in fair value of public and private warrant liabilities |  | $ (9,186,000) | $ 203,000 | $ 11,657,000 | $ 408,000 |
Change in fair value of earnout shares |  | 4,800,000 |  | (2,700,000) |  |
Class A common stock [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Shares subject to forfeiture | 49,563 |  |  |  |  |
Period over which vesting conditions shall be met | 5 years |  |  |  |  |
Public Warrants [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Changes in fair value of public and private warrant liabilities |  | 4,600,000 |  | (5,900,000) |  |
Private Placement Warrants [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Changes in fair value of public and private warrant liabilities |  | 4,600,000 |  | (5,800,000) |  |
Fair Value, Nonrecurring [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets or liabilities measured at fair value |  | 0 |  | 0 |  | $ 0
Fair Value, Recurring [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Assets or liabilities measured at fair value |  | $ 0 |  | $ 0 |  | $ 0

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