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v3.21.2

Fair Value Measurements - Transfers (Details) - Recurring Fair Value Measurements - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Fair Value Hierarchy Levels Transfers |  |  |  |
Transfers out of Level 3 into Level 2, net derivative assets (liabilities) |  |  |  | $ 26.5
Available-for-sale | Fixed maturities |  |  |  |
Fair Value Hierarchy Levels Transfers |  |  |  |
Transfers out of Level 2 into Level 3 | $ 116.6 | $ 217.3 | $ 247.2 | 388.1
Transfers out of Level 3 into Level 2 | 225.4 | 289.5 | 225.4 | 525.6
Available-for-sale | Corporate debt securities |  |  |  |
Fair Value Hierarchy Levels Transfers |  |  |  |
Transfers out of Level 2 into Level 3 | 80.3 | 217.3 | 142.5 | 342.0
Transfers out of Level 3 into Level 2 |  | 102.6 |  | 148.9
Available-for-sale | Collateralized debt obligations |  |  |  |
Fair Value Hierarchy Levels Transfers |  |  |  |
Transfers out of Level 2 into Level 3 | 36.3 |  | 84.1 |
Transfers out of Level 3 into Level 2 | $ 225.4 | 167.3 | 225.4 | 314.6
Available-for-sale | Other debt obligations |  |  |  |
Fair Value Hierarchy Levels Transfers |  |  |  |
Transfers out of Level 2 into Level 3 |  |  | $ 20.6 | 46.1
Transfers out of Level 3 into Level 2 |  | 19.6 |  | 62.1
Trading | Fixed maturities |  |  |  |
Fair Value Hierarchy Levels Transfers |  |  |  |
Transfers out of Level 3 into Level 2 |  | $ 0.3 |  | $ 0.3

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