v3.26.3
Derivative Instruments - Schedule of the Aggregate Notional Amount and Fair Value of the Derivative Instruments (Details) - BXINFRA Aggregator (CYM) L.P.
€ in Thousands, £ in Thousands, $ in Thousands
Sep. 30, 2026
GBP (£)
Sep. 30, 2026
USD ($)
Sep. 30, 2026
EUR (€)
Dec. 31, 2025
GBP (£)
Dec. 31, 2025
USD ($)
Dec. 31, 2025
EUR (€)
Derivative [Line Items]            
Derivative Assets, Fair Value   $ 12,204     $ 143  
Derivative Liabilities, Fair Value   180     265  
Foreign Currency Contracts (GBP)            
Derivative [Line Items]            
Derivative Assets, Fair Value   0     14  
Derivative Liabilities, Fair Value   0     234  
Foreign Currency Contracts (GBP) | Notional            
Derivative [Line Items]            
Derivative Assets, Notional | £ £ 0     £ 70,000    
Derivative Liabilities, Notional | £ £ 0     £ 125,000    
Foreign Currency Contracts (EUR)            
Derivative [Line Items]            
Derivative Assets, Fair Value   7,879     129  
Derivative Liabilities, Fair Value   180     31  
Foreign Currency Contracts (EUR) | Notional            
Derivative [Line Items]            
Derivative Assets, Notional | €     € 523,000     € 32,000
Derivative Liabilities, Notional | €     € 245,000     € 20,000
Bond Futures Contracts            
Derivative [Line Items]            
Derivative Assets, Fair Value   1,558     0  
Derivative Liabilities, Fair Value   0     0  
Bond Futures Contracts | Notional            
Derivative [Line Items]            
Derivative Assets, Notional   35,700     0  
Derivative Liabilities, Notional   0     0  
Interest Rate Swap            
Derivative [Line Items]            
Derivative Assets, Fair Value   2,767     0  
Derivative Liabilities, Fair Value   0     0  
Interest Rate Swap | Notional            
Derivative [Line Items]            
Derivative Assets, Notional   120,000     0  
Derivative Liabilities, Notional   $ 0     $ 0