v3.25.1
Summarized Activity in Liability for Unpaid Losses and Loss Adjustment Expenses (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Insurance [Abstract]    
Balance at beginning of period $ 800,391 $ 850,599
Less: ceded reinsurance receivables 60,754 72,829
Net balance at beginning of period 739,637 777,770
Net losses and loss adjustment expenses related to:    
Current year 66,735 53,383
Prior years 3 1
Total net losses and loss adjustment expenses 66,738 53,384
Paid net losses and loss adjustment expenses related to:    
Current year 17,991 5,597
Prior years 56,267 43,769
Total paid net losses and loss adjustment expenses 74,258 49,366
Net balance at end of period 732,117 781,788
Plus: ceded reinsurance receivables 62,731 71,814
Balance at end of period $ 794,848 $ 853,602