Annual report pursuant to Section 13 and 15(d)

FAIR VALUE MEASUREMENTS - Summary of Investments Valued Using NAV Per Share (Details)

v3.22.4
FAIR VALUE MEASUREMENTS - Summary of Investments Valued Using NAV Per Share (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Fair Value $ 14,614 $ 8,035
Measured at NAV    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Fair Value 77,087 39,685
Unfunded Commitments 30,087 23,321
Measured at NAV | Accrued performance allocations    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Fair Value 554,723 439,548
Unfunded Commitments 0 0
Measured at NAV | Company-sponsored open-end fund    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Fair Value 26,169 15,474
Unfunded Commitments 20,755 0
Measured at NAV | Company-sponsored closed-end funds    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Fair Value 39,120 16,510
Unfunded Commitments 3,763 20,885
Measured at NAV | Third-party closed-end funds    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Fair Value 11,798 7,701
Unfunded Commitments $ 5,569 $ 2,436