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v3.25.1

Fair Value (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Fair Value Disclosure [Line Items] |  |  |
Transfers between Fair Value Hierarchies | $ 0.0 |  | $ 0.0
Allowance for Credit Loss | 0.2 |  | 0.1
Debt Securities, Available-for-Sale, Realized Gain | 0.0 | $ 0.4 |
Corporate/Other debt securities |  |  |
Fair Value Disclosure [Line Items] |  |  |
Allowance for Credit Loss | $ 0.2 |  | $ 0.1

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