v3.25.2
SEC Schedule, Article 12-15, Summary of Investments - Other than Investments in Related Parties (Details)
$ in Thousands
Dec. 31, 2024
USD ($)
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost $ 1,777,615
Fair Value (if applicable) 1,771,790
Amount on Balance Sheet 1,772,226
Fixed maturity securities, available for sale:  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost 1,320,266
Fair Value (if applicable) 1,292,218
Amount on Balance Sheet 1,292,218
Fixed maturity securities, available for sale: | U.S. government securities  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost 26,577
Fair Value (if applicable) 26,486
Amount on Balance Sheet 26,486
Fixed maturity securities, available for sale: | Corporate securities and miscellaneous  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost 433,298
Fair Value (if applicable) 425,628
Amount on Balance Sheet 425,628
Fixed maturity securities, available for sale: | Municipal securities  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost 89,966
Fair Value (if applicable) 84,716
Amount on Balance Sheet 84,716
Fixed maturity securities, available for sale: | Residential mortgage-backed securities  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost 408,585
Fair Value (if applicable) 393,833
Amount on Balance Sheet 393,833
Fixed maturity securities, available for sale: | Commercial mortgage-backed securities  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost 70,262
Fair Value (if applicable) 69,364
Amount on Balance Sheet 69,364
Fixed maturity securities, available for sale: | Other asset-backed securities  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost 291,578
Fair Value (if applicable) 292,191
Amount on Balance Sheet 292,191
Fixed maturity securities, held to maturity:  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost 39,396
Fair Value (if applicable) 38,717
Amount on Balance Sheet 39,153
Fixed maturity securities, held to maturity: | Other asset-backed securities  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost 39,396
Fair Value (if applicable) 38,717
Amount on Balance Sheet 39,153
Equity securities  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost 83,311
Fair Value (if applicable) 106,254
Amount on Balance Sheet 106,254
Equity securities | Common stocks  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost 48,530
Fair Value (if applicable) 64,251
Amount on Balance Sheet 64,251
Equity securities | Preferred stocks  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost 1,138
Fair Value (if applicable) 1,164
Amount on Balance Sheet 1,164
Equity securities | Mutual funds  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost 33,643
Fair Value (if applicable) 40,839
Amount on Balance Sheet 40,839
Mortgage loans  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost 26,485
Fair Value (if applicable) 26,490
Amount on Balance Sheet 26,490
Other long-term investments  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost 33,231
Fair Value (if applicable) 33,182
Amount on Balance Sheet 33,182
Short-term investments  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost 274,926
Fair Value (if applicable) 274,929
Amount on Balance Sheet $ 274,929