v3.25.2
Reserves for Losses and Loss Adjustment Expenses - Reconciliation of Claims Development to Liability (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Short-Duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]        
Reserves for losses and LAE, net of reinsurance $ 1,084,980 $ 832,897    
Ceded unpaid losses and LAE 670,846 455,484 $ 435,986 $ 381,338
Unallocated LAE 26,557 26,120    
Reserves for losses and loss adjustment expenses 1,782,383 1,314,501 $ 1,141,757 $ 979,549
Short-tail/Monoline Specialty Lines        
Short-Duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]        
Reserves for losses and LAE, net of reinsurance 367,226 235,191    
Ceded unpaid losses and LAE 275,204 199,044    
Multi-line Solutions        
Short-Duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]        
Reserves for losses and LAE, net of reinsurance 631,065 485,099    
Ceded unpaid losses and LAE 380,344 252,146    
Exited Lines        
Short-Duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]        
Reserves for losses and LAE, net of reinsurance 86,689 112,607    
Ceded unpaid losses and LAE $ 15,298 $ 4,294