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Schedule I - Summary of Investments-Other Than Investments in Related Parties (Details) $ in Thousands | Dec. 31, 2023 USD ($)
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Investments-Other Than Investments in Related Parties |
Amortized Cost | $ 5,863,958
Fair Value | 5,540,965
Amount at which shown in the Balance Sheet | 5,540,965
Fixed maturities |
Investments-Other Than Investments in Related Parties |
Amortized Cost | 4,658,169
Fair Value | 4,335,008
Amount at which shown in the Balance Sheet | 4,335,008
Fixed maturities | United States Government and government agencies and authorities |
Investments-Other Than Investments in Related Parties |
Amortized Cost | 1,459,742
Fair Value | 1,340,313
Amount at which shown in the Balance Sheet | 1,340,313
Fixed maturities | States, municipalities and political subdivisions |
Investments-Other Than Investments in Related Parties |
Amortized Cost | 585,047
Fair Value | 547,258
Amount at which shown in the Balance Sheet | 547,258
Fixed maturities | Residential and commercial mortgage securities |
Investments-Other Than Investments in Related Parties |
Amortized Cost | 571,163
Fair Value | 517,940
Amount at which shown in the Balance Sheet | 517,940
Fixed maturities | Asset-backed securities |
Investments-Other Than Investments in Related Parties |
Amortized Cost | 584,168
Fair Value | 564,995
Amount at which shown in the Balance Sheet | 564,995
Fixed maturities | Foreign government and agency securities |
Investments-Other Than Investments in Related Parties |
Amortized Cost | 77,516
Fair Value | 67,447
Amount at which shown in the Balance Sheet | 67,447
Fixed maturities | All other corporate bonds |
Investments-Other Than Investments in Related Parties |
Amortized Cost | 1,380,533
Fair Value | 1,297,055
Amount at which shown in the Balance Sheet | 1,297,055
Short-term investments |
Investments-Other Than Investments in Related Parties |
Amortized Cost | 928,561
Fair Value | 928,731
Amount at which shown in the Balance Sheet | 928,731
Other invested assets |
Investments-Other Than Investments in Related Parties |
Amortized Cost | 277,228
Fair Value | 277,226
Amount at which shown in the Balance Sheet | $ 277,226

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