Fair Value of Financial Instruments - Summary of Assumptions used to Value Founder Shares Liability (Detail) - Founder Holder Earnout Shares Liability [Member] |
Jun. 30, 2025 |
|---|---|
| Exercise price | Minimum [Member] | |
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | |
| Derivative Liability, Measurement Input | 400 |
| Exercise price | Maximum [Member] | |
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | |
| Derivative Liability, Measurement Input | 480 |
| Expected volatility | |
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | |
| Derivative Liability, Measurement Input | 67.5 |
| Risk-free interest rate | |
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | |
| Derivative Liability, Measurement Input | 3.8 |
| Remaining term | |
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | |
| Remaining term | 1 year 6 months 7 days |
| Dividend yield | |
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | |
| Derivative Liability, Measurement Input | 0 |