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v3.25.3

Contingencies and Commitments (Details) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Dec. 31, 2024 USD ($) | Sep. 30, 2025 USD ($) | Dec. 31, 2023 lawsuit
Loss Contingencies [Line Items] |  |  |
Number of lawsuits | lawsuit |  |  | 1
After-tax costs related to non-core legacy commercial liability policies | $ 15.7 | $ 7.6 |
Unfunded commitments to purchase investments | $ 449.9 | $ 402.4 |

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