Fair Value Measurements - Schedule of Carrying Value and Estimated Fair Values of Financial Assets and Liabilities (Detail) - USD ($) $ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
||
|---|---|---|---|---|
| Assets | ||||
| Cash | [1] | $ 49,451 | $ 61,344 | |
| Restricted cash | [1] | 43,812 | 26,944 | |
| Accrued interest receivable | 18,069 | 18,352 | ||
| Settlement receivable | [1] | 0 | 2,036 | |
| Liabilities: | ||||
| Accrued interest payable | 2,601 | 2,519 | ||
| Senior debt, net | [1] | 321,353 | 318,758 | |
| Level 1 | ||||
| Assets | ||||
| Cash | 49,451 | 61,344 | ||
| Restricted cash | 43,812 | 26,944 | ||
| Accrued interest receivable | 18,069 | 18,352 | ||
| Settlement receivable | 2,036 | |||
| Liabilities: | ||||
| Accrued interest payable | 2,601 | 2,519 | ||
| Senior debt, net | 0 | 0 | ||
| Level 2 | ||||
| Assets | ||||
| Cash | 0 | 0 | ||
| Restricted cash | 0 | 0 | ||
| Accrued interest receivable | 0 | 0 | ||
| Settlement receivable | 0 | |||
| Liabilities: | ||||
| Accrued interest payable | 0 | 0 | ||
| Senior debt, net | 0 | 0 | ||
| Level 3 | ||||
| Assets | ||||
| Cash | 0 | 0 | ||
| Restricted cash | 0 | 0 | ||
| Accrued interest receivable | 0 | 0 | ||
| Settlement receivable | 0 | |||
| Liabilities: | ||||
| Accrued interest payable | 0 | 0 | ||
| Senior debt, net | $ 321,353 | $ 318,758 | ||
| ||||