v3.25.2
Property and Casualty Insurance Activity - Schedule of Material Terms for Reinsurance Treaties (Details)
$ in Thousands
 6 Months Ended 7 Months Ended 12 Months Ended 18 Months Ended
Dec. 31, 2025
USD ($)
Jun. 30, 2025
USD ($)
h
Jun. 30, 2025
USD ($)
Dec. 31, 2024
USD ($)
Jun. 30, 2024
USD ($)
Apr. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Jun. 30, 2025
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Effects of Reinsurance [Line Items]                          
Single risk coverage   $ 9,000                      
Catastrophe coverage, multiple of per occurrence limitation   2                      
Catastrophe coverage, except for one occurrence limitation   80.00%                      
Catastrophic coverage, first layer   $ 5,000                      
Excess of catastrophic coverage, first layer   $ 5,000                      
Catastrophe coverage, one occurrence limitation   52.00%                      
Catastrophic coverage, top layer   $ 240,000                      
Excess of catastrophic coverage, top layer   $ 200,000                      
Catastrophe coverage, number of consecutive hours | h   168                      
Reinstatement of premium protection, catastrophe coverage           $ 4,500     $ 50,000        
Excess of catastrophe coverage           $ 5,500     $ 10,000        
Underlying XOL treaty, reinsurance coverage (percent)           71.00%       50.00%     50.00%
Reinstatement of premium protection                         $ 400
Reinstatement of premium protection, excluded amount                         600
Risk retention amount                     $ 730   $ 530
Catastrophe reinsurance coverage, (percent)           71.00%              
Limited retention                   $ 4,800      
Minimum                          
Effects of Reinsurance [Line Items]                          
Direct loss   $ 3,500                      
Maximum                          
Effects of Reinsurance [Line Items]                          
Direct loss   $ 9,000                      
Forecast                          
Effects of Reinsurance [Line Items]                          
Catastrophic coverage, first layer             $ 5,000            
Excess of catastrophic coverage, first layer             5,000            
Reinstatement of premium protection, catastrophe coverage             50,000            
Excess of catastrophe coverage             $ 10,000            
Underlying XOL treaty, reinsurance coverage (percent)             50.00%            
Risk retention amount $ 640           $ 715            
Underlying XOL treaty, reinsurance coverage, layer one (percent)             50.00%            
Reinstatement of premium protection, layer one             $ 250            
Reinstatement of premium protection, layer one, excluded amount             $ 750            
Underlying XOL treaty, reinsurance coverage, layer two (percent)             100.00%            
Reinstatement of premium protection, layer two, excluded amount             $ 1,000            
Reinstatement of premium protection, layer two             $ 9,000            
Catastrophe, first layer coverage (percent)             80.00%            
Catastrophe coverage, remaining (in percent)             100.00%            
Catastrophe coverage, remaining layer             $ 430,000            
Excess of catastrophe coverage, remaining             $ 10,000            
Limited retention               $ 5,200          
Catastrophe Reinsurance:                          
Effects of Reinsurance [Line Items]                          
Initial loss subject to personal lines quota share treaty     $ 10,000 $ 10,000 $ 10,000                
Risk retained per catastrophe occurrence     4,250 4,750 9,500                
Catastrophe loss coverage     $ 275,000 $ 275,000 $ 315,000                
Reinstatement premium protection     Yes Yes Yes                
Catastrophe Reinsurance: | Forecast                          
Effects of Reinsurance [Line Items]                          
Initial loss subject to personal lines quota share treaty 10,000                        
Risk retained per catastrophe occurrence 5,000                     $ 6,000  
Catastrophe loss coverage $ 435,000                     $ 434,000  
Reinstatement premium protection Yes                     Yes  
Personal Lines:                          
Effects of Reinsurance [Line Items]                          
Quota share treaty percent ceded     16.00% 27.00% 27.00%         27.00%      
Risk retained on initial $1,000,000 of losses     $ 840 $ 730 $ 730                
Losses per occurrence subject to quota share reinsurance coverage     1,000 1,000 1,000                
Excess of loss coverage and facultative facility coverage     8,400 8,400 8,400                
in excess of 1     600 600 600                
Total reinsurance coverage per occurrence     8,360 8,470 8,470                
Losses per occurrence subject to reinsurance coverage     $ 9,000 $ 9,000 $ 9,000                
Quota share treaty percent excluded from percent ceded                   22.00%      
Personal Lines: | Forecast                          
Effects of Reinsurance [Line Items]                          
Quota share treaty percent ceded 16.00%             16.00%          
Risk retained on initial $1,000,000 of losses $ 840                        
Losses per occurrence subject to quota share reinsurance coverage 1,000                        
Excess of loss coverage and facultative facility coverage 8,250                     $ 8,250  
in excess of 1 750                     750  
Total reinsurance coverage per occurrence 8,285                     8,125  
Losses per occurrence subject to reinsurance coverage $ 9,000                     $ 9,000  
Quota share treaty percent excluded from percent ceded               6.00%