v3.26.1
Schedule of Investments In Equity Securities (Detail) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Debt Securities, Available-for-Sale [Line Items]    
Equity securities, at fair value $ 26,409 $ 33,673
Common Stock    
Debt Securities, Available-for-Sale [Line Items]    
Equity securities, at fair value 15,259 21,006
Preferred Stock    
Debt Securities, Available-for-Sale [Line Items]    
Equity securities, at fair value $ 11,150 $ 12,667