Fair Value Measurements - Summary of the key inputs into the PWERM model (Detail) - USD ($) |
Dec. 31, 2025 |
Sep. 08, 2025 |
|---|---|---|
| Market price of public shares [Member] | ||
| Fair Value Disclosures [Line Items] | ||
| Derivative liability, measurement input | 15.6 | 10.2 |
| Term (years) [Member] | ||
| Fair Value Disclosures [Line Items] | ||
| Derivative liability, measurement input | 0.22 | 0.53 |
| Risk-free rate [Member] | ||
| Fair Value Disclosures [Line Items] | ||
| Derivative liability, measurement input | 3.68 | 3.83 |
| Volatility [Member] | ||
| Fair Value Disclosures [Line Items] | ||
| Derivative liability, measurement input | 107.1 | 8.71 |
| Likelihood of completing a business combination [Member] | ||
| Fair Value Disclosures [Line Items] | ||
| Derivative liability, measurement input | 95 | 95 |