v3.25.4
Fair Value of Financial Assets and Liabilities - Schedule of Significant Unobservable Inputs Used for Level 3 Fair Value Measurement of Residual Interests in Structured Transactions (Details)
Dec. 31, 2025
Jun. 30, 2025
Discount Rate | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Residual interests in structured transactions, measurement input 0.2000 0.2000
Discount Rate | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Residual interests in structured transactions, measurement input 0.2000 0.2000
Discount Rate | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Residual interests in structured transactions, measurement input 0.2000 0.2000
Default Rate | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Residual interests in structured transactions, measurement input 0.0931 0.0888
Default Rate | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Residual interests in structured transactions, measurement input 0.0931 0.0888
Default Rate | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Residual interests in structured transactions, measurement input 0.0931 0.0888
Prepayment Rate | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Residual interests in structured transactions, measurement input 0.4789 0.4885
Prepayment Rate | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Residual interests in structured transactions, measurement input 0.4789 0.4885
Prepayment Rate | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Residual interests in structured transactions, measurement input 0.4789 0.4885