DEBT - Loan Obligations of the Consolidated CLOs (Details) - Consolidated Funds  - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
DEBT
Fair Value of Loan Obligations	$ 10,397,615	$ 10,657,661
Loan obligations of Consolidated CLOs
DEBT
Loan Obligations	10,682,118	10,823,994
Fair Value of Loan Obligations	10,397,615	10,657,661
Senior secured notes | Loan obligations of Consolidated CLOs
DEBT
Loan Obligations	9,894,645	10,031,419
Fair Value of Loan Obligations	$ 9,798,127	$ 10,016,638
Weighted  Average Remaining Maturity  In Years	9 years 2 months 12 days	9 years 4 months 24 days
Debt instrument face amount	$ 9,900,000	$ 10,000,000
Weighted average interest rate	2.00%	1.93%
Subordinated notes | Loan obligations of Consolidated CLOs
DEBT
Loan Obligations	$ 787,473	$ 792,575
Fair Value of Loan Obligations	$ 599,488	$ 641,023
Weighted  Average Remaining Maturity  In Years	7 years 10 months 24 days	8 years 1 month 6 days
Debt instrument face amount	$ 787,500	$ 792,600