XML 62 R51.htm IDEA: XBRL DOCUMENT v3.24.2.u1
Loss and Loss Adjustment Expense Reserves (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Dec. 31, 2022
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward]            
Reserve for losses and LAE gross of reinsurance recoverables on unpaid losses and LAE as of beginning of the period     $ 322.5 $ 293.8    
Less: Reinsurance recoverables on unpaid losses and LAE     (221.4) (228.8)    
Reserve for losses and LAE, net of reinsurance recoverables as of beginning of the period     101.1 65.0    
Add: Incurred losses and LAE, net of reinsurance, related to:            
Current year     114.9 116.6    
Prior years     (1.9) (2.2)    
Total incurred $ 60.4 $ 76.7 113.0 114.4    
Deduct: Loss and LAE payments, net of reinsurance, related to:            
Current year     61.4 45.4    
Prior years     33.9 14.7    
Total paid     95.3 60.1    
Reserve for losses and LAE, net of reinsurance recoverables at end of period 118.8 119.3 118.8 119.3    
Add: Reinsurance recoverables on unpaid losses and LAE at end of period 228.1 248.3 228.1 248.3    
Reserve for losses and LAE gross of reinsurance recoverables on unpaid losses and LAE as of end of the period $ 346.9 $ 367.6 $ 346.9 $ 367.6    
Catastrophe reserves release         $ 1.9 $ 1.0
Attritional reserves release           $ 1.2