v3.26.3
Markel Fronting Arrangement - Schedule of Changes in the Deposit Liability (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2026
USD ($)
Changes In The Deposit Liability [Roll Forward]  
Beginning balance $ 50,500
Amortization of deferred gain (4,478)
Claim payments (16,876)
Ending balance $ 29,146