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Equity Method Eligible Investments - Ownership Interests and Carrying Values (Details) - USD ($) $ in Millions | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Kudu's Participation Contracts |  |
Investments in unconsolidated affiliates |  |
Carrying Value | $ 884.2 | $ 890.5
Kudu's Participation Contracts | Minimum |  |
Investments in unconsolidated affiliates |  |
Ownership Interest | 4.10% | 4.10%
Kudu's Participation Contracts | Maximum |  |
Investments in unconsolidated affiliates |  |
Ownership Interest | 30.00% | 30.00%
MediaAlpha |  |
Investments in unconsolidated affiliates |  |
Ownership Interest | 34.70% | 34.90%
Carrying Value | $ 465.6 | $ 254.9
PassportCard/DavidShield |  |
Investments in unconsolidated affiliates |  |
Ownership Interest | 53.80% | 53.80%
Carrying Value | $ 150.0 | $ 150.0
Elementum Holdings, L.P. |  |
Investments in unconsolidated affiliates |  |
Ownership Interest | 26.60% | 26.60%
Carrying Value | $ 35.0 | $ 35.0
Other equity method eligible investments, at fair value |  |
Investments in unconsolidated affiliates |  |
Carrying Value | 247.4 | 291.7
Other equity method eligible investments, at fair value |  |
Investments in unconsolidated affiliates |  |
Carrying Value | $ 24.8 | $ 24.8

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