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v3.23.1

Fair Value Measurements - Transfers (Details) - Recurring Fair Value Measurements - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Available-for-sale | Fixed maturities |  |
Fair Value Hierarchy Levels Transfers |  |
Transfers out of Level 2 into Level 3 | $ 228.7 | $ 175.2
Transfers out of Level 3 into Level 2 | 58.1 | 104.0
Available-for-sale | Corporate debt securities |  |
Fair Value Hierarchy Levels Transfers |  |
Transfers out of Level 2 into Level 3 | 10.4 | 175.2
Transfers out of Level 3 into Level 2 | 42.9 |
Available-for-sale | Collateralized debt obligations |  |
Fair Value Hierarchy Levels Transfers |  |
Transfers out of Level 3 into Level 2 | 15.2 | 84.0
Available-for-sale | Other debt obligations |  |
Fair Value Hierarchy Levels Transfers |  |
Transfers out of Level 2 into Level 3 | $ 218.3 |
Transfers out of Level 3 into Level 2 |  | 20.0
Trading | Fixed maturities |  |
Fair Value Hierarchy Levels Transfers |  |
Transfers out of Level 2 into Level 3 |  | $ 29.0

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