Loan Securitization/Sale Activities - Narrative (Details) - USD ($) |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Investing and Servicing Segment | Residential Loans | ||
| Loan Transfer Activities | ||
| Loans held-for-sale face amount | $ 0 | $ 0 |
| Commercial and Residential Lending Segment | ||
| Loan Transfer Activities | ||
| Loans held-for-sale face amount | 0 | 0 |
| Investing and Servicing Loan Sales | ||
| Loan Transfer Activities | ||
| Loans held-for-sale face amount | 34,400,000 | 18,000,000.0 |
| Proceeds | 35,000,000.0 | 18,600,000 |
| Infrastructure Lending Segment | ||
| Loan Transfer Activities | ||
| Loans held-for-sale face amount | 0 | 0 |
| RMBS | ||
| Loan Transfer Activities | ||
| Payments to acquire marketable securities | $ 0 | $ 0 |