v3.26.3
Fair Value Measurements - Assumptions used in the Level 3 valuation (Details)
9 Months Ended 12 Months Ended
Dec. 15, 2025
Y
D
$ / shares
Sep. 30, 2026
USD ($)
D
$ / shares
Dec. 31, 2025
USD ($)
Fair Value Measurements      
Fair value, assets, level 1 to level 2 transfers, amount   $ 0 $ 0
Fair value, assets, level 2 to level 1 transfers, amount   0 0
Fair value, assets, into and out of level 3, amount   $ 0 $ 0
Warrants | Class A ordinary shares      
Fair Value Measurements      
Stock price trigger for redemption of warrants | $ / shares $ 18 $ 18  
Threshold trading days for redemption of warrants | D 20 20  
Threshold consecutive trading days for redemption of warrants | D 30 30  
Public warrants      
Fair Value Measurements      
Warrants and Rights Outstanding   $ 4,715,000  
Fair value per warrant | $ / shares   $ 0.41  
Public warrants | Underlying share price      
Fair Value Measurements      
Measurement input 0.1018    
Public warrants | Exercise price      
Fair Value Measurements      
Measurement input 0.115    
Public warrants | Expected life (years)      
Fair Value Measurements      
Measurement input | Y 5    
Public warrants | Risk-free interest rate      
Fair Value Measurements      
Measurement input 0.038    
Public warrants | Volatility      
Fair Value Measurements      
Measurement input 0.05    
Public warrants | Dividend yield      
Fair Value Measurements      
Measurement input 0    
Public warrants | Redemption price      
Fair Value Measurements      
Measurement input 0.18    
Public warrants | Market adjustment      
Fair Value Measurements      
Measurement input 0.55