v3.26.1
Reinsurance - Narrative (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Feb. 06, 2020
Dec. 31, 2023
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2024
Ceded Credit Risk [Line Items]                    
Premiums receivable balance, credit provisions     $ 3,664 $ 1,841 $ 3,664 $ 1,841 $ 3,443 $ 3,754 $ 1,808 $ 2,993
Premiums receivable     1,240,034   1,240,034   939,777      
Paid losses recoverable     99,228   99,228   93,659      
Unpaid losses and loss adjustment expenses recoverable     1,463,936 1,236,660 1,463,936 1,236,660 1,375,857     1,171,040
Reinsurance recoverable, provisions     1,403 1,369 1,403 1,369 1,718 $ 1,853 $ 1,121 $ 1,469
Reinsurance premiums ceded     209,346 155,712 495,797 395,143        
Related Party                    
Ceded Credit Risk [Line Items]                    
Reinsurance premiums ceded     0 0 15,900 15,200        
Risk transfer capacity   $ 200,000                
Reinsurance Contract [Axis]: Loss Portfolio Transfer Agreement                    
Ceded Credit Risk [Line Items]                    
Unpaid losses and loss adjustment expenses recoverable     23,500   23,500   $ 22,700      
Reinsurance premiums ceded $ 72,100                  
Amortization of the deferred gain     $ 2,400 $ (2,200) $ 2,600 $ (2,700)        
Reinsurance Recoverable for Paid and Unpaid Claims and Claims Adjustments | Reinsurer Concentration Risk                    
Ceded Credit Risk [Line Items]                    
% of total paid and unpaid losses and loss adjustment expenses recoverable         100.00%   100.00%      
Reinsurer One | Reinsurance Recoverable for Paid and Unpaid Claims and Claims Adjustments | Reinsurer Concentration Risk                    
Ceded Credit Risk [Line Items]                    
% of total paid and unpaid losses and loss adjustment expenses recoverable         21.00%   20.00%      
Reinsurer Two | Reinsurance Recoverable for Paid and Unpaid Claims and Claims Adjustments | Reinsurer Concentration Risk                    
Ceded Credit Risk [Line Items]                    
% of total paid and unpaid losses and loss adjustment expenses recoverable         16.00%   18.00%      
Reinsurer Three | Reinsurance Recoverable for Paid and Unpaid Claims and Claims Adjustments | Reinsurer Concentration Risk                    
Ceded Credit Risk [Line Items]                    
% of total paid and unpaid losses and loss adjustment expenses recoverable         12.00%   12.00%