Loan Portfolio - Schedule of Reserves As a Percentage Unpaid Principal Balance of Loans Receivable Held-for-investment (Details) - Current Expected Credit Losses |
Sep. 30, 2026 |
Dec. 31, 2025 |
Sep. 30, 2025 |
Dec. 31, 2024 |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Schedule of Loans Receivable Allowance for Credit Losses [Line Items] | ||||||||||
| Loans receivable percentage of unpaid principal balance | [1] | 18.50% | 10.90% | 6.80% | 4.00% | |||||
| Specific CECL Reserves | ||||||||||
| Schedule of Loans Receivable Allowance for Credit Losses [Line Items] | ||||||||||
| Loans receivable percentage of unpaid principal balance | [2] | 33.40% | 26.00% | 17.20% | 18.20% | |||||
| General CECL Reserve | ||||||||||
| Schedule of Loans Receivable Allowance for Credit Losses [Line Items] | ||||||||||
| Loans receivable percentage of unpaid principal balance | [3] | 3.40% | 2.90% | 3.90% | 2.30% | |||||
| ||||||||||