v3.25.1
Equity Method Eligible Investments - Carrying Value and Ownership Percentages (Details) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Kudu's Participation Contracts    
Investments in unconsolidated affiliates    
Carrying Value $ 1,120.4 $ 1,008.4
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 26.50% 26.60%
Carrying Value $ 165.0 $ 201.6
PassportCard/DavidShield    
Investments in unconsolidated affiliates    
Ownership Interest 53.80% 53.80%
Carrying Value $ 150.0 $ 150.0
Elementum    
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 $ 233.4 $ 243.7