RELATED-PARTY TRANSACTIONS - Amounts Due from and Due to Affiliates (Details) - Related Party - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Due from affiliates:
Due from affiliates	$ 73,971	$ 232,485
Due to affiliates:
Due to affiliates	22,068	62,759
Loans to affiliates related party
Due from affiliates:
Due from affiliates	67,581	25,996
Management fees and incentive income due from unconsolidated funds and affiliates
Due from affiliates:
Due from affiliates	476	202,052
Payments made on behalf of unconsolidated entities
Due from affiliates:
Due from affiliates	$ 5,914	4,437
Amounts due to unconsolidated entities
Due to affiliates:
Due to affiliates		$ 62,759