v3.25.1
FAIR VALUE - Schedule of Changes in Fair Value of Level III Investments (Details) - Consolidated Funds - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance $ 4,062,983 $ 3,603,942
Initial consolidation of funds   2,962
Transfers into Level III 144,161 266,905
Transfers out of Level III (100,642) (336,819)
Purchases 1,021,555 281,462
Sales (1,189,209) (165,039)
Realized gain (losses), net 45,336 (82,921)
Unrealized appreciation (depreciation), net (42,429) 104,646
Ending balance 3,941,755 3,675,138
Net change in unrealized appreciation (depreciation) attributable to assets still held at end of period (42,291) 97,454
Corporate Debt – Bank Debt    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance 1,936,315 1,721,888
Initial consolidation of funds   2,962
Transfers into Level III 136,694 190,733
Transfers out of Level III (93,836) (255,229)
Purchases 776,462 169,907
Sales (1,044,105) (85,491)
Realized gain (losses), net 10,954 (328)
Unrealized appreciation (depreciation), net (43,814) 15,060
Ending balance 1,678,670 1,759,502
Net change in unrealized appreciation (depreciation) attributable to assets still held at end of period (43,676) 11,488
Corporate Debt – All Other    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance 111,552 260,292
Initial consolidation of funds   0
Transfers into Level III 624 15,359
Transfers out of Level III 0 (65,930)
Purchases 11,768 1,408
Sales (7,617) (37,144)
Realized gain (losses), net 7,585 915
Unrealized appreciation (depreciation), net (6,325) 1,363
Ending balance 117,587 176,263
Net change in unrealized appreciation (depreciation) attributable to assets still held at end of period (6,325) (37)
Equities – Common Stock    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance 1,187,023 846,773
Initial consolidation of funds   0
Transfers into Level III 0 54,678
Transfers out of Level III (6,806) (15,660)
Purchases 28,361 86,233
Sales (50,403) (42,358)
Realized gain (losses), net 19,861 11,149
Unrealized appreciation (depreciation), net (6,580) 6,006
Ending balance 1,171,456 946,821
Net change in unrealized appreciation (depreciation) attributable to assets still held at end of period 3,582 3,784
Equities – Preferred Stock    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance 606,141 599,636
Initial consolidation of funds   0
Transfers into Level III 37 0
Transfers out of Level III 0 0
Purchases 133,007 16,966
Sales (81,903) (46)
Realized gain (losses), net 6,344 (94,657)
Unrealized appreciation (depreciation), net (1,907) 83,972
Ending balance 661,719 605,871
Net change in unrealized appreciation (depreciation) attributable to assets still held at end of period (1,907) 83,972
Real Estate    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance 206,181 175,353
Initial consolidation of funds   0
Transfers into Level III 6,806 6,135
Transfers out of Level III 0 0
Purchases 70,382 6,948
Sales (5,181) 0
Realized gain (losses), net 592 0
Unrealized appreciation (depreciation), net 16,197 (1,755)
Ending balance 294,977 186,681
Net change in unrealized appreciation (depreciation) attributable to assets still held at end of period 6,035 (1,753)
Swaps    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance 15,771 0
Initial consolidation of funds   0
Transfers into Level III 0 0
Transfers out of Level III 0 0
Purchases 1,575 0
Sales 0 0
Realized gain (losses), net 0 0
Unrealized appreciation (depreciation), net 0 0
Ending balance 17,346 0
Net change in unrealized appreciation (depreciation) attributable to assets still held at end of period $ 0 $ 0