Fair Value of Financial Assets and Liabilities - Schedule of Quantitative Information (Details)	Jun. 30, 2026	Jun. 30, 2025
Discount Rate \| Minimum \| Risk sharing arrangements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Risk sharing liabilities	0	0.2000
Discount Rate \| Minimum \| Risk sharing arrangements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Risk sharing assets	0.0700	0.2000
Discount Rate \| Maximum \| Risk sharing arrangements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Risk sharing liabilities	0	0.2000
Discount Rate \| Maximum \| Risk sharing arrangements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Risk sharing assets	0.2000	0.2000
Discount Rate \| Weighted Average \| Risk sharing arrangements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Risk sharing liabilities	0	0.2000
Discount Rate \| Weighted Average \| Risk sharing arrangements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Risk sharing assets	0.1795	0.2000
Loss Rate \| Minimum \| Risk sharing arrangements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Risk sharing liabilities	0	0.0347
Loss Rate \| Minimum \| Risk sharing arrangements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Risk sharing assets	0.0335	0.0332
Loss Rate \| Maximum \| Risk sharing arrangements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Risk sharing liabilities	0	0.0535
Loss Rate \| Maximum \| Risk sharing arrangements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Risk sharing assets	0.0496	0.0491
Loss Rate \| Weighted Average \| Risk sharing arrangements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Risk sharing liabilities	0	0.0442
Loss Rate \| Weighted Average \| Risk sharing arrangements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Risk sharing assets	0.0416	0.0413
Prepayment Rate \| Minimum \| Risk sharing arrangements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Risk sharing assets	0.1772	0.1984
Prepayment Rate \| Maximum \| Risk sharing arrangements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Risk sharing assets	0.2213	0.2289
Prepayment Rate \| Weighted Average \| Risk sharing arrangements
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Risk sharing assets	0.1980	0.2134