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v3.25.3

Subsequent Events - Additional Information (Detail) - USD ($) |  |  | 9 Months Ended |
--- | --- | --- | --- | ---
Oct. 27, 2025 | Jul. 15, 2025 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Subsequent Event [Line Items] |  |  |  |  |
Repurchases of common stock |  |  | $ 2,767,000 | $ 0 |
Multifamily loan on nonaccrual status |  |  | $ 24,327,000 |  | $ 22,957,000
2029 Notes [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Redemption of notes |  | $ 10,000,000 |  |  |
Subsequent Event [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Cash dividend per share | $ 0.25 |  |  |  |
Dividend payable amount | $ 30,000,000 |  |  |  |
Purchase of warrants | 3,229,000 |  |  |  |
Repurchases of common stock | $ 6,100,000 |  |  |  |
Subsequent Event [Member] | S 2025 Q4 Dividends [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Dividends payable, date declared | Oct. 27, 2025 |  |  |  |
Dividends payable, date to be paid | Nov. 21, 2025 |  |  |  |
Dividends payable, date of record | Nov. 07, 2025 |  |  |  |

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