VARIABLE INTEREST ENTITIES - VIEs Not Consolidated (Details) - Unconsolidated VIEs - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Variable Interest Entity [Line Items]
Maximum exposure to loss	$ 924,523	$ 1,198,973
Corporate investments
Variable Interest Entity [Line Items]
Maximum exposure to loss	923,984	999,112
Due from affiliates
Variable Interest Entity [Line Items]
Maximum exposure to loss	$ 539	$ 199,861