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THE COMPANY AND BASIS OF PREPARATION (Details) - USD ($)
$ in Billions
Mar. 31, 2022
Dec. 31, 2021
Dec. 29, 2021
Business Acquisition [Line Items]      
Assets under management $ 1,551.8 $ 1,687.8  
OAK HILL ADVISORS, L.P      
Business Acquisition [Line Items]      
Voting interests acquired     100.00%
Assets under management $ 57.0    
Co Investment Entities      
Business Acquisition [Line Items]      
Voting interests acquired     100.00%