v3.26.1
REINSURANCE - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Effects of Reinsurance [Line Items]          
Reinsurance, deposit liability $ 83.6   $ 83.6   $ 140.5
Reinsurance premiums ceded, percentage 49.00% 49.00% 49.00% 49.00%  
Income Statement Location [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense          
Effects of Reinsurance [Line Items]          
Reinsurance deposit accounting expense, net $ 21.1 $ 11.5 $ 43.0 $ 22.8