XML 45 R34.htm IDEA: XBRL DOCUMENT v3.25.3
INVESTMENTS - Schedule of Fair Value of Fixed Maturity Investments Trading (Details) - USD ($)
$ in Thousands
Sep. 30, 2025
Dec. 31, 2024
Schedule of Investments [Line Items]    
Total fixed maturity investments trading $ 23,772,222 $ 23,562,514
U.S. treasuries    
Schedule of Investments [Line Items]    
Total fixed maturity investments trading 10,423,051 11,001,893
Corporate    
Schedule of Investments [Line Items]    
Total fixed maturity investments trading 8,127,496 7,862,423
Residential mortgage-backed    
Schedule of Investments [Line Items]    
Total fixed maturity investments trading 2,249,921 1,707,056
Asset-backed    
Schedule of Investments [Line Items]    
Total fixed maturity investments trading 1,456,067 1,422,393
Non-U.S. government    
Schedule of Investments [Line Items]    
Total fixed maturity investments trading 692,295 618,809
Agencies    
Schedule of Investments [Line Items]    
Total fixed maturity investments trading 521,942 623,489
Commercial mortgage-backed    
Schedule of Investments [Line Items]    
Total fixed maturity investments trading $ 301,450 $ 326,451