v3.26.1
Reinsurance - Schedule of Allowance for Expected Credit Losses on Reinsurance Recoverable (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Reinsurance Recoverable, Allowance for Credit Loss [Roll Forward]          
Allowance for expected credit losses on reinsurance recoverable, beginning of period $ 1,930 $ 0 $ 1,740 $ 0 $ 0
Expected credit losses on acquired recoverables under the Combination 0 1,655 0 1,655  
Decrease in allowance for expected credit losses on reinsurance recoverable where credit losses were previously recognized (317) 0 (127) 0  
Allowance for expected credit losses on reinsurance recoverable, end of period $ 1,613 $ 1,655 $ 1,613 $ 1,655 $ 1,740