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Schedule I: Summary of Investments - Other Than Investments in Related Parties (Details) $ in Thousands | Dec. 31, 2024 USD ($)
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SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |
Amortized Cost | $ 6,947,073
Fair Value | 6,484,357
Amount Reflected on the Consolidated Balance Sheet | 6,484,357
U.S. government and agency securities |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |
Amortized Cost | 160,509
Fair Value | 128,332
Amount Reflected on the Consolidated Balance Sheet | 128,332
State and municipal obligations |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |
Amortized Cost | 167,114
Fair Value | 148,891
Amount Reflected on the Consolidated Balance Sheet | 148,891
Corporate bonds and notes |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |
Amortized Cost | 2,878,705
Fair Value | 2,606,431
Amount Reflected on the Consolidated Balance Sheet | 2,606,431
RMBS |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |
Amortized Cost | 1,104,721
Fair Value | 1,011,630
Amount Reflected on the Consolidated Balance Sheet | 1,011,630
CMBS |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |
Amortized Cost | 438,139
Fair Value | 411,999
Amount Reflected on the Consolidated Balance Sheet | 411,999
CLO |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |
Amortized Cost | 411,328
Fair Value | 411,462
Amount Reflected on the Consolidated Balance Sheet | 411,462
Other ABS |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |
Amortized Cost | 442,620
Fair Value | 438,871
Amount Reflected on the Consolidated Balance Sheet | 438,871
Mortgage insurance-linked notes |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |
Amortized Cost | 45,447
Fair Value | 47,156
Amount Reflected on the Consolidated Balance Sheet | 47,156
Total fixed-maturities available for sale |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |
Amortized Cost | 5,648,583
Fair Value | 5,204,772
Amount Reflected on the Consolidated Balance Sheet | 5,204,772
Fixed maturities trading securities |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |
Amortized Cost | 89,479
Fair Value | 82,652
Amount Reflected on the Consolidated Balance Sheet | 82,652
Common stocks |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |
Amortized Cost | 153,470
Fair Value | 146,994
Amount Reflected on the Consolidated Balance Sheet | 146,994
Total equity securities |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |
Amortized Cost | 153,470
Fair Value | 146,994
Amount Reflected on the Consolidated Balance Sheet | 146,994
Residential mortgage loans held for sale |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |
Amortized Cost | 525,672
Fair Value | 519,885
Amount Reflected on the Consolidated Balance Sheet | 519,885
Other invested assets |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |
Amortized Cost | 7,796
Fair Value | 7,942
Amount Reflected on the Consolidated Balance Sheet | 7,942
Short-term investments |
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items] |
Amortized Cost | 522,073
Fair Value | 522,112
Amount Reflected on the Consolidated Balance Sheet | $ 522,112

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