Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE MEASUREMENTS - Schedule of Rollforward of Level 3 Assets at Cost Adjusted for any Impairment and Observable Price Changes (Details)

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FAIR VALUE MEASUREMENTS - Schedule of Rollforward of Level 3 Assets at Cost Adjusted for any Impairment and Observable Price Changes (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Conversion of note receivable $ 1,559 $ 0
Other    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance 8,369  
Purchases 1,461  
Conversion of note receivable 1,559  
Contribution of warehoused investments to managed funds (3,117)  
Ending balance $ 8,272