v3.25.2
Loss And Loss Adjustment Expense Reserves (Schedule Of Impact Of Catastrophe Reinsurance Utilization On Ceded Premiums Written And Earned Compared To Pro-Forma) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Effects of Reinsurance [Line Items]          
Ceded premiums earned $ 54,400   $ 31,400 $ 161,100 $ 62,500
Reinsurance Contract [Axis]: 100% Reinsurance Limit Used          
Effects of Reinsurance [Line Items]          
Ceded premiums written 0 $ 52,000   52,000  
Ceded premiums earned 0 52,000   52,000  
Reinstatement premiums written 0 101,000   101,000  
Total ceded premiums written 0 153,000   153,000  
Reinstatement premiums earned 51,000 50,000   101,000  
Total ceded premiums earned 51,000 102,000   153,000  
Reinsurance Contract [Axis]: Pro-Forma, $0 Reinsurance Limit          
Effects of Reinsurance [Line Items]          
Ceded premiums written 26,000 26,000   52,000  
Ceded premiums earned 26,000 26,000   52,000  
Reinsurance Contract [Axis]: Pro-Forma, $0 Reinsurance Limit And 100% Reinsurance Limit Used, Difference          
Effects of Reinsurance [Line Items]          
Ceded premiums written (26,000) 127,000   101,000  
Ceded premiums earned $ 25,000 $ 76,000   $ 101,000