v3.25.2
Summary of Significant Accounting Policies - Fair value (Details)
Jun. 30, 2025
Dec. 31, 2024
Minimum | Expected volatility    
Significant unobservable inputs adopted in the valuation    
Measurement input 46 49
Maximum | Expected volatility    
Significant unobservable inputs adopted in the valuation    
Measurement input 52 52
Liquidation scenario | Minimum | Probability    
Significant unobservable inputs adopted in the valuation    
Measurement input 20 20
Liquidation scenario | Maximum | Probability    
Significant unobservable inputs adopted in the valuation    
Measurement input 43 43
Redemption scenario | Minimum | Probability    
Significant unobservable inputs adopted in the valuation    
Measurement input 0 0
Redemption scenario | Maximum | Probability    
Significant unobservable inputs adopted in the valuation    
Measurement input 43 43
IPO scenario | Minimum | Probability    
Significant unobservable inputs adopted in the valuation    
Measurement input 15 15
IPO scenario | Maximum | Probability    
Significant unobservable inputs adopted in the valuation    
Measurement input 80 80