REVENUES - Beginning and Ending Balances of Company's Fees (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Management Fees Receivable
Fees Receivable
Fees receivable, beginning balance	$ 168,057	$ 78,586
Fees receivable, ending balance	262,059	168,057
Unearned Management Fees
Fee liability, beginning balance	10,299	11,846
Fee liability, ending balance	9,389	10,299
Administrative, Transaction and Other Fees Receivable
Fees Receivable
Fees receivable, beginning balance	19,535	9,876
Fees receivable, ending balance	44,060	19,535
Realized performance income
Fees Receivable
Fees receivable, beginning balance	10,496	0
Fees receivable, ending balance	$ 1,132	$ 10,496