XML 100 R61.htm IDEA: XBRL DOCUMENT v3.24.2.u1
Related Party Transactions - Narrative (Details)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2024
USD ($)
Jun. 30, 2023
USD ($)
Jun. 30, 2024
USD ($)
Jun. 30, 2023
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2023
USD ($)
Jan. 03, 2023
Related Party Transaction [Line Items]              
Reinsurance, profit commission, percentage     0.200        
Reinsurance, profit commission, hurdle rate of return, percentage     0.050        
Related Party              
Related Party Transaction [Line Items]              
Other receivables $ 251.6   $ 251.6     $ 173.3  
Amounts due to The Fidelis Partnership 362.3   $ 362.3     $ 334.5  
Framework Agreement | Related Party              
Related Party Transaction [Line Items]              
Related party transaction, agreement duration     10 years        
Reinsurance, ceded commission, percentage     0.115        
Property management fee, percent fee     3.00%        
Insurance commissions 22.9 $ 9.8 $ 43.1 $ 12.6      
Payments for commissions 6.2 7.8 14.1 7.8      
Origination of notes receivable from related parties         $ 4.5    
Framework Agreement | Related Party | Policy Acquisition Expenses              
Related Party Transaction [Line Items]              
Insurance commissions 1.0 9.7 16.5 18.6      
Framework Agreement | Related Party | General and Administrative Expense              
Related Party Transaction [Line Items]              
Costs and expenses, related party 1.4 1.2 3.0 2.6      
Related party transaction, purchases from related party $ 0.1 $ 0.5 $ 0.4 $ 1.0      
Framework Agreement | Related Party | Third Party Managing General Underwriters              
Related Party Transaction [Line Items]              
Reinsurance, ceded commission, percentage     0.03        
Group | Fidelis MGU              
Related Party Transaction [Line Items]              
Subsidiary, ownership percentage, noncontrolling owner             9.90%
Group | Framework Agreement | Related Party | Fidelis MGU              
Related Party Transaction [Line Items]              
Subsidiary, ownership percentage, noncontrolling owner             9.90%