v3.26.3
Investments - Schedule of Net Investment Income (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Marketable Securities [Line Items]        
Gross investment income $ 20,956 $ 15,336 $ 58,543 $ 42,113
Investment expenses (395) (298) (1,135) (839)
Net investment income 20,561 15,038 57,408 41,274
U.S. government and government agency        
Marketable Securities [Line Items]        
Gross investment income 455 1,562 1,836 5,040
State and municipal        
Marketable Securities [Line Items]        
Gross investment income 2,011 1,058 5,112 2,621
Commercial mortgage-backed securities        
Marketable Securities [Line Items]        
Gross investment income 2,131 1,417 6,362 3,864
Residential mortgage-backed securities        
Marketable Securities [Line Items]        
Gross investment income 4,183 3,489 12,764 9,157
Asset-backed securities        
Marketable Securities [Line Items]        
Gross investment income 2,809 1,673 7,201 4,725
Corporate        
Marketable Securities [Line Items]        
Gross investment income 7,785 4,716 20,750 12,212
Short-term investments        
Marketable Securities [Line Items]        
Gross investment income     46 214
Cash and cash equivalents        
Marketable Securities [Line Items]        
Gross investment income $ 1,582 $ 1,421 $ 4,472 $ 4,280