v3.25.2
Reserves for Insurance Claims and Claim Expenses - Reconciliation of Reserve Balances for Insurance Claims and Claim Expense (Details) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward]    
Beginning balance $ 152,071 $ 123,974
Less reinsurance recoverables (32,260) (27,514)
Beginning balance, net of reinsurance recoverables 119,811 96,460
Claims and claim expenses incurred:    
Current year 61,356 50,372
Prior years (43,766) (46,402)
Total claims and claim expenses incurred (4) 17,590 3,970
Claims and claim expenses paid:    
Current year 110 0
Prior years 8,469 2,323
Reinsurance terminations (1,506) 0
Total claims and claim expenses paid 7,073 2,323
Reserve at end of period, net of reinsurance recoverables 130,328 98,107
Add reinsurance recoverables 32,705 27,336
Ending balance 163,033 125,443
Current year case reserves 51,500 43,100
Current year IBNR 8,800 6,400
Prior year case reserves 34,900 39,200
Prior year, IBNR $ 8,100 $ 6,300