v3.26.1
Equity Method Eligible Investments - Carrying Value and Ownership Percentages (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Kudu's Participation Contracts    
Investments in unconsolidated affiliates    
Carrying Value $ 1,344.6 $ 1,285.0
Kudu's Participation Contracts | Minimum    
Investments in unconsolidated affiliates    
Ownership Interest 2.00% 4.10%
Kudu's Participation Contracts | Maximum    
Investments in unconsolidated affiliates    
Ownership Interest 30.00% 30.00%
Bamboo SPV    
Investments in unconsolidated affiliates    
Ownership Interest 27.90% 27.90%
Carrying Value $ 280.0 $ 250.0
BroadStreet SPV    
Investments in unconsolidated affiliates    
Ownership Interest 10.90% 10.90%
Carrying Value $ 176.2 $ 160.0
PassportCard/DavidShield    
Investments in unconsolidated affiliates    
Ownership Interest 53.80% 53.80%
Carrying Value $ 170.0 $ 170.0
Investment in MediaAlpha    
Investments in unconsolidated affiliates    
Ownership Interest 29.10% 27.70%
Carrying Value $ 224.5 $ 231.2
Other equity method eligible investments less than 50.0%    
Investments in unconsolidated affiliates    
Carrying Value 288.4 301.0
Other equity method eligible investments more than or equal to 50.0%    
Investments in unconsolidated affiliates    
Carrying Value $ 21.0 $ 0.0