v3.26.1
INVESTMENTS - Allowance for Credit Losses (Details) - Securitization certificates - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]    
Balance, beginning of period $ (508,741) $ (98,679)
Additions to allowance on securities without a previous allowance (90,401) (347,189)
Reductions for securities redeemed, prepaid or sold during the period 242,393 0
Additions to allowance on securities with a previous allowance (29,129) (62,873)
Balance, end of period $ (385,878) $ (508,741)