v3.25.4
Fair Value of Financial Assets and Liabilities - Schedule of Significant Unobservable Inputs Used for Level 3 Fair Value Measurement of Notes and Residual Trust Certificates (Details)
Dec. 31, 2025
Jun. 30, 2025
Minimum | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Residual trust certificates, measurement input 0.0347 0.0286
Minimum | Default Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Residual trust certificates, measurement input 0.0099 0.0094
Minimum | Prepayment Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Residual trust certificates, measurement input 0.1481 0.2146
Maximum | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Residual trust certificates, measurement input 0.5511 0.3029
Maximum | Default Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Residual trust certificates, measurement input 0.0938 0.0840
Maximum | Prepayment Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Residual trust certificates, measurement input 0.2600 0.2485
Weighted Average | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Residual trust certificates, measurement input 0.0604 0.0689
Weighted Average | Default Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Residual trust certificates, measurement input 0.0801 0.0765
Weighted Average | Prepayment Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Residual trust certificates, measurement input 0.2363 0.2314