v3.26.1
Debt - Summary of Debt Outstanding (Details)
€ in Millions, $ in Millions
Jun. 30, 2026
USD ($)
Jun. 30, 2026
EUR (€)
Mar. 31, 2026
USD ($)
Dec. 31, 2025
USD ($)
Jul. 21, 2025
USD ($)
Jun. 30, 2025
USD ($)
Mar. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Debt Instrument                
Total debt $ 932.5     $ 837.0        
Ark 2021 Subordinated Notes                
Debt Instrument                
Total debt 159.0     159.7        
Kudu Credit Facility                
Debt Instrument                
Total debt 350.7     350.4        
HG Global 2026 Senior Notes                
Debt Instrument                
Total debt 197.4     0.0        
HG Global 2022 Senior Notes                
Debt Instrument                
Total debt 0.0     147.8        
Distinguished Credit Facility                
Debt Instrument                
Total debt 129.4     129.9        
Distinguished other debt, carrying value                
Debt Instrument                
Total debt 11.5     10.9        
WTM Partners Debt                
Debt Instrument                
Total debt 66.5     19.4        
Other Operations Debt                
Debt Instrument                
Total debt $ 18.0     $ 18.9        
Subordinated Debt | Ark                
Debt Instrument                
Effective yield (as a percent) 9.80% 9.80%   10.20%        
Subordinated Debt | Ark 2021 Subordinated Notes                
Debt Instrument                
Unamortized issuance cost $ (2.9)     $ (3.1)        
Total debt 159.0     159.7        
Subordinated Debt | Ark 2021 Subordinated Notes Tranche 1                
Debt Instrument                
Amount borrowed 44.9 € 39.1   45.8        
Subordinated Debt | Ark 2021 Subordinated Notes Tranche 2                
Debt Instrument                
Amount borrowed 47.0     47.0        
Subordinated Debt | Ark 2021 Subordinated Notes Tranche 3                
Debt Instrument                
Amount borrowed 70.0     70.0        
Secured Debt | Kudu Credit Facility                
Debt Instrument                
Amount borrowed 358.3   $ 358.3 358.3   $ 253.3 $ 253.3 $ 245.3
Unamortized discount and issuance cost (7.6)     (7.9)        
Total debt $ 350.7     $ 350.4 $ 253.3      
Effective yield (as a percent) 8.00% 8.00%   8.90%        
Secured Debt | Total Distinguished debt                
Debt Instrument                
Total debt $ 140.9     $ 140.8        
Secured Debt | Distinguished Credit Facility                
Debt Instrument                
Amount borrowed 130.7   $ 131.1 131.4        
Unamortized discount and issuance cost (1.3)     (1.5)        
Total debt $ 129.4     $ 129.9        
Effective yield (as a percent) 10.20% 10.20%   10.30%        
Secured Debt | Distinguished other debt, carrying value                
Debt Instrument                
Total debt $ 11.5     $ 10.9        
Effective yield (as a percent) 10.90% 10.90%   10.90%        
Secured Debt | WTM Partners Debt                
Debt Instrument                
Amount borrowed $ 67.5     $ 19.6        
Unamortized discount and issuance cost (1.0)     (0.2)        
Total debt $ 66.5     $ 19.4        
Effective yield (as a percent) 6.90% 6.90%   7.10%        
Secured Debt | Other Operations Debt                
Debt Instrument                
Amount borrowed $ 18.3     $ 19.1        
Unamortized discount and issuance cost (0.3)     (0.2)        
Total debt $ 18.0     $ 18.9        
Effective yield (as a percent) 9.30% 9.30%   9.30%        
Senior Notes | HG Global 2026 Senior Notes                
Debt Instrument                
Amount borrowed $ 200.0     $ 0.0        
Unamortized discount and issuance cost (2.6)     0.0        
Total debt $ 197.4     0.0        
Effective yield (as a percent) 7.50% 7.50%            
Senior Notes | HG Global 2022 Senior Notes                
Debt Instrument                
Amount borrowed $ 0.0     150.0        
Unamortized discount and issuance cost 0.0     (2.2)        
Total debt $ 0.0     $ 147.8        
Effective yield (as a percent)       10.80%