Fair Value Measurements - Schedule of Significant Unobservable Inputs Used in the Fair Value Measurement of Servicing Assets (Details) - Level 3	Jun. 30, 2026	Dec. 31, 2025
Minimum \| Discount rate
Fair Value Inputs Assets And Liabilities Quantitative Information [Line Items]
Measurement input, percent	0.089	0.089
Minimum \| Annualized net credit loss rate
Fair Value Inputs Assets And Liabilities Quantitative Information [Line Items]
Measurement input, percent	0.034	0.033
Minimum \| Annualized prepayment rate
Fair Value Inputs Assets And Liabilities Quantitative Information [Line Items]
Measurement input, percent	0.197	0.199
Minimum \| Market servicing rate
Fair Value Inputs Assets And Liabilities Quantitative Information [Line Items]
Measurement input, percent	0.0058	0.0058
Maximum \| Discount rate
Fair Value Inputs Assets And Liabilities Quantitative Information [Line Items]
Measurement input, percent	0.162	0.162
Maximum \| Annualized net credit loss rate
Fair Value Inputs Assets And Liabilities Quantitative Information [Line Items]
Measurement input, percent	0.128	0.195
Maximum \| Annualized prepayment rate
Fair Value Inputs Assets And Liabilities Quantitative Information [Line Items]
Measurement input, percent	0.277	0.259
Maximum \| Market servicing rate
Fair Value Inputs Assets And Liabilities Quantitative Information [Line Items]
Measurement input, percent	0.0058	0.0058
Weighted Average \| Discount rate
Fair Value Inputs Assets And Liabilities Quantitative Information [Line Items]
Measurement input, percent	0.103	0.104
Weighted Average \| Annualized net credit loss rate
Fair Value Inputs Assets And Liabilities Quantitative Information [Line Items]
Measurement input, percent	0.061	0.065
Weighted Average \| Annualized prepayment rate
Fair Value Inputs Assets And Liabilities Quantitative Information [Line Items]
Measurement input, percent	0.260	0.246
Weighted Average \| Market servicing rate
Fair Value Inputs Assets And Liabilities Quantitative Information [Line Items]
Measurement input, percent	0.0058	0.0058