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Reserves for Losses and Adjustment Expenses - Additional Information (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Insurance [Abstract]    
Provision for losses and LAE for claims incurred $ 60.8 $ 28.1
Financial Guarantee Insurance Contracts, Premium Received over Contract Period [Line Items]    
Prior Year $ 60.8 $ 28.1