v3.25.4
FAIR VALUE MEASUREMENTS - Schedule of Other Investments Measured Using Net Asset Valuations (Details) - Fair Value Measured at Net Asset Value Per Share - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Fair Value $ 2,775,499 $ 2,128,499
Unfunded Commitments 2,266,285 1,948,933
Private credit funds    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Fair Value 1,445,158 1,181,146
Unfunded Commitments 1,605,126 1,284,699
Private equity funds    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Fair Value 701,837 609,105
Unfunded Commitments 661,159 664,234
Hedge funds    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Fair Value 473,990 338,248
Unfunded Commitments 0 0
Insurance-linked securities funds    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Fair Value 154,514 0
Unfunded Commitments $ 0 $ 0