v3.26.1
Investments - Fair Value Measurements (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Fair value of financial instruments    
Fixed maturity securities, Estimated Fair Value $ 1,328,594 $ 1,315,548
Equity securities, Estimated Fair Value 201,956 220,953
Level 1 Inputs    
Fair value of financial instruments    
Total investment securities 168,910 188,022
Level 1 Inputs | Equity securities    
Fair value of financial instruments    
Equity securities, Estimated Fair Value 168,910 188,022
Level 2 Inputs    
Fair value of financial instruments    
Total investment securities 1,342,879 1,329,757
Level 2 Inputs | U.S. Treasury securities    
Fair value of financial instruments    
Fixed maturity securities, Estimated Fair Value 4,167 4,205
Level 2 Inputs | Obligations of states and political subdivisions    
Fair value of financial instruments    
Fixed maturity securities, Estimated Fair Value 37,281 37,718
Level 2 Inputs | Residential mortgage-backed securities    
Fair value of financial instruments    
Fixed maturity securities, Estimated Fair Value 357,647 366,047
Level 2 Inputs | Commercial mortgage-backed securities    
Fair value of financial instruments    
Fixed maturity securities, Estimated Fair Value 150,379 157,018
Level 2 Inputs | Other asset-backed securities    
Fair value of financial instruments    
Fixed maturity securities, Estimated Fair Value 189,729 169,509
Level 2 Inputs | Corporate and other securities    
Fair value of financial instruments    
Fixed maturity securities, Estimated Fair Value 589,391 581,051
Level 2 Inputs | Other invested assets    
Fair value of financial instruments    
Equity securities, Estimated Fair Value 14,285 14,209
Level 3 Inputs    
Fair value of financial instruments    
Total investment securities 998 932
Level 3 Inputs | Equity securities    
Fair value of financial instruments    
Equity securities, Estimated Fair Value 998 932
Estimated Fair Value    
Fair value of financial instruments    
Total investment securities 1,512,787 1,518,711
Estimated Fair Value | U.S. Treasury securities    
Fair value of financial instruments    
Fixed maturity securities, Estimated Fair Value 4,167 4,205
Estimated Fair Value | Obligations of states and political subdivisions    
Fair value of financial instruments    
Fixed maturity securities, Estimated Fair Value 37,281 37,718
Estimated Fair Value | Residential mortgage-backed securities    
Fair value of financial instruments    
Fixed maturity securities, Estimated Fair Value 357,647 366,047
Estimated Fair Value | Commercial mortgage-backed securities    
Fair value of financial instruments    
Fixed maturity securities, Estimated Fair Value 150,379 157,018
Estimated Fair Value | Other asset-backed securities    
Fair value of financial instruments    
Fixed maturity securities, Estimated Fair Value 189,729 169,509
Estimated Fair Value | Corporate and other securities    
Fair value of financial instruments    
Fixed maturity securities, Estimated Fair Value 589,391 581,051
Estimated Fair Value | Other invested assets    
Fair value of financial instruments    
Equity securities, Estimated Fair Value 14,285 14,209
Estimated Fair Value | Equity securities    
Fair value of financial instruments    
Equity securities, Estimated Fair Value $ 169,908 $ 188,954