v3.26.1
FAIR VALUE - Schedule of Investments and Other Financial Instruments of Consolidated Funds by Fair-Value Hierarchy Level (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Derivative assets, at fair value $ 9,070 $ 33,349
Total derivatives (48,893) (13,385)
Consolidated Funds    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Total investments 5,012,977 4,946,862
Derivative assets, at fair value 9,070 33,349
Total assets 5,022,047 4,980,211
Total derivatives (48,893) (13,385)
Total liabilities (48,893) (13,385)
Consolidated Funds | Foreign-currency forward contracts    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Derivative assets, at fair value 7,800 17,578
Total derivatives (47,032) (8,513)
Consolidated Funds | Swaps    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Derivative assets, at fair value 1,270 15,771
Total derivatives 0 (19)
Consolidated Funds | Options and futures    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Total derivatives (1,861) (4,853)
Consolidated Funds | Corporate debt – bank debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Total investments 1,743,127 2,218,233
Consolidated Funds | Corporate debt – all other    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Total investments 289,522 465,474
Consolidated Funds | Equities – Common Stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Total investments 1,849,178 1,448,983
Consolidated Funds | Equities – preferred stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Total investments 778,610 607,991
Consolidated Funds | Real estate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Total investments 352,540 206,181
Consolidated Funds | Level I    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Total investments 199,510 224,520
Derivative assets, at fair value 0 0
Total assets 199,510 224,520
Total derivatives 0 0
Total liabilities 0 0
Consolidated Funds | Level I | Foreign-currency forward contracts    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Derivative assets, at fair value 0 0
Total derivatives 0 0
Consolidated Funds | Level I | Swaps    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Derivative assets, at fair value 0 0
Total derivatives 0 0
Consolidated Funds | Level I | Options and futures    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Total derivatives 0 0
Consolidated Funds | Level I | Corporate debt – bank debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Total investments 0 0
Consolidated Funds | Level I | Corporate debt – all other    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Total investments 0 0
Consolidated Funds | Level I | Equities – Common Stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Total investments 197,832 222,670
Consolidated Funds | Level I | Equities – preferred stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Total investments 1,678 1,850
Consolidated Funds | Level I | Real estate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Total investments 0 0
Consolidated Funds | Level II    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Total investments 417,727 675,130
Derivative assets, at fair value 9,070 17,578
Total assets 426,797 692,708
Total derivatives (48,893) (13,385)
Total liabilities (48,893) (13,385)
Consolidated Funds | Level II | Foreign-currency forward contracts    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Derivative assets, at fair value 7,800 17,578
Total derivatives (47,032) (8,513)
Consolidated Funds | Level II | Swaps    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Derivative assets, at fair value 1,270 0
Total derivatives 0 (19)
Consolidated Funds | Level II | Options and futures    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Total derivatives (1,861) (4,853)
Consolidated Funds | Level II | Corporate debt – bank debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Total investments 116,518 281,918
Consolidated Funds | Level II | Corporate debt – all other    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Total investments 209,394 353,922
Consolidated Funds | Level II | Equities – Common Stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Total investments 91,815 39,290
Consolidated Funds | Level II | Equities – preferred stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Total investments 0 0
Consolidated Funds | Level II | Real estate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Total investments 0 0
Consolidated Funds | Level III    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Total investments 4,395,740 4,047,212
Derivative assets, at fair value 0 15,771
Total assets 4,395,740 4,062,983
Total derivatives 0 0
Total liabilities 0 0
Consolidated Funds | Level III | Foreign-currency forward contracts    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Derivative assets, at fair value 0 0
Total derivatives 0 0
Consolidated Funds | Level III | Swaps    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Derivative assets, at fair value 0 15,771
Total derivatives 0 0
Consolidated Funds | Level III | Options and futures    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Total derivatives 0 0
Consolidated Funds | Level III | Corporate debt – bank debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Total investments 1,626,609 1,936,315
Consolidated Funds | Level III | Corporate debt – all other    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Total investments 80,128 111,552
Consolidated Funds | Level III | Equities – Common Stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Total investments 1,559,531 1,187,023
Consolidated Funds | Level III | Equities – preferred stock    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Total investments 776,932 606,141
Consolidated Funds | Level III | Real estate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Total investments $ 352,540 $ 206,181