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Investments - Asset Management Investments - Narrative (Details) - Hildene Insurance Holdings, LLC - USD ($)
$ in Millions
3 Months Ended
Feb. 28, 2025
Mar. 01, 2025
Nov. 30, 2024
Jul. 31, 2024
Schedule of Equity Method Investments [Line Items]        
Equity investments       $ 25.0
Funded equity commitments $ 28.1   $ 27.5  
Ownership percentage 8.83%      
Percent of financial information presented 100.00%      
Subsequent Event        
Schedule of Equity Method Investments [Line Items]        
Equity investments   $ 75.0    
Ownership percentage   23.30%