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Contingencies and Commitments (Details)
$ in Millions
Sep. 30, 2025
USD ($)
Dec. 31, 2024
USD ($)
Mar. 29, 2024
policy_holder
Commitments and Contingencies Disclosure [Abstract]      
Loss contingency, estimate $ 150.0    
Loss contingency accrual 147.5    
Number of policy holders that were not economically harmed | policy_holder     22
Guaranty liabilities 59.0 $ 59.0  
Premium expected to be collected 97.0 96.0  
Estimated insurance recoveries $ 38.0 $ 37.0