Reverse Mortgage Loan Portfolio - Schedule of Owned Reverse Mortgage Loan Portfolio by Product Type (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Reverse mortgage loans | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total owned loan portfolio | $ 28,833,161 | $ 28,366,960 |
| Adjustable rate loans | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total owned loan portfolio | 20,927,395 | 20,662,839 |
| Fixed rate loans | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total owned loan portfolio | $ 7,905,766 | $ 7,704,121 |