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v3.22.1

Investments - Fair Value and Gross Unrealized Losses (Details) $ in Millions | Mar. 31, 2022 USD ($) security | Dec. 31, 2021 USD ($) security
--- | --- | ---
Fixed maturity securities, Gross Unrealized Losses |  |
Number of positions with a gross unrealized loss, 12 Months or Less | security | 1,756 | 516
Number of position with a gross unrealized loss, more than 12 months | security | 189 | 122
Number of position with a gross unrealized loss, Total | security | 1,945 | 638
Fair value as a percentage of total fixed maturities and equity securities fair value, 12 Months or Less | 41.10% | 12.60%
Fair value as a percentage of total fixed maturities and equity securities fair value, more than 12 months | 5.00% | 3.40%
Fair value as a percentage of total fixed maturities and equity securities fair value, Total | 46.10% | 16.00%
Total |  |
Fixed maturity securities, Fair Value |  |
Fixed maturity securities, Fair Value, 12 Months or Less | $ 2,462.1 | $ 783.4
Fixed maturity securities, Fair Value, More than 12 Months | 297.9 | 211.9
Fixed maturity securities, Fair Value, Total | 2,760.0 | 995.3
Fixed maturity securities, Gross Unrealized Losses |  |
Fixed maturity securities, Gross Unrealized Losses, 12 Months or Less | 124.6 | 11.3
Fixed maturity securities, Gross Unrealized Losses, More than 12 Months | 29.5 | 7.3
Fixed maturity securities, Gross Unrealized Losses, Total | 154.1 | 18.6
Mortgage-backed securities |  |
Fixed maturity securities, Fair Value |  |
Fixed maturity securities, Fair Value, 12 Months or Less | 238.4 | 67.4
Fixed maturity securities, Fair Value, More than 12 Months | 11.0 | 3.9
Fixed maturity securities, Fair Value, Total | 249.4 | 71.3
Fixed maturity securities, Gross Unrealized Losses |  |
Fixed maturity securities, Gross Unrealized Losses, 12 Months or Less | 10.7 | 1.3
Fixed maturity securities, Gross Unrealized Losses, More than 12 Months | 2.4 | 0.2
Fixed maturity securities, Gross Unrealized Losses, Total | 13.1 | 1.5
Other |  |
Fixed maturity securities, Fair Value |  |
Fixed maturity securities, Fair Value, 12 Months or Less | 116.2 | 59.5
Fixed maturity securities, Fair Value, More than 12 Months | 50.4 | 35.1
Fixed maturity securities, Fair Value, Total | 166.6 | 94.6
Fixed maturity securities, Gross Unrealized Losses |  |
Fixed maturity securities, Gross Unrealized Losses, 12 Months or Less | 9.2 | 1.7
Fixed maturity securities, Gross Unrealized Losses, More than 12 Months | 11.7 | 2.6
Fixed maturity securities, Gross Unrealized Losses, Total | 20.9 | 4.3
Municipal bonds |  |
Fixed maturity securities, Fair Value |  |
Fixed maturity securities, Fair Value, 12 Months or Less | 456.0 | 56.8
Fixed maturity securities, Fair Value, More than 12 Months | 1.4 | 0.6
Fixed maturity securities, Fair Value, Total | 457.4 | 57.4
Fixed maturity securities, Gross Unrealized Losses |  |
Fixed maturity securities, Gross Unrealized Losses, 12 Months or Less | 23.4 | 0.7
Fixed maturity securities, Gross Unrealized Losses, More than 12 Months | 0.2 | 0.0
Fixed maturity securities, Gross Unrealized Losses, Total | 23.6 | 0.7
Foreign government bonds |  |
Fixed maturity securities, Fair Value |  |
Fixed maturity securities, Fair Value, 12 Months or Less | 1.5 | 0.0
Fixed maturity securities, Fair Value, More than 12 Months | 0.0 | 0.0
Fixed maturity securities, Fair Value, Total | 1.5 | 0.0
Fixed maturity securities, Gross Unrealized Losses |  |
Fixed maturity securities, Gross Unrealized Losses, 12 Months or Less | 0.1 | 0.0
Fixed maturity securities, Gross Unrealized Losses, More than 12 Months | 0.0 | 0.0
Fixed maturity securities, Gross Unrealized Losses, Total | 0.1 | 0.0
Corporate bonds |  |
Fixed maturity securities, Fair Value |  |
Fixed maturity securities, Fair Value, 12 Months or Less | 1,012.5 | 220.7
Fixed maturity securities, Fair Value, More than 12 Months | 74.9 | 44.1
Fixed maturity securities, Fair Value, Total | 1,087.4 | 264.8
Fixed maturity securities, Gross Unrealized Losses |  |
Fixed maturity securities, Gross Unrealized Losses, 12 Months or Less | 66.7 | 3.8
Fixed maturity securities, Gross Unrealized Losses, More than 12 Months | 8.8 | 1.4
Fixed maturity securities, Gross Unrealized Losses, Total | 75.5 | 5.2
Other asset-backed securities |  |
Fixed maturity securities, Fair Value |  |
Fixed maturity securities, Fair Value, 12 Months or Less | 637.5 | 379.0
Fixed maturity securities, Fair Value, More than 12 Months | 160.2 | 128.2
Fixed maturity securities, Fair Value, Total | 797.7 | 507.2
Fixed maturity securities, Gross Unrealized Losses |  |
Fixed maturity securities, Gross Unrealized Losses, 12 Months or Less | 14.5 | 3.8
Fixed maturity securities, Gross Unrealized Losses, More than 12 Months | 6.4 | 3.1
Fixed maturity securities, Gross Unrealized Losses, Total | $ 20.9 | $ 6.9

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