COMMITMENTS AND CONTINGENCIES - Narrative (Details)	3 Months Ended			6 Months Ended
	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Dec. 31, 2022 infrastructureDebtFund	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)
COMMITMENTS AND CONTINGENCIES
Unfunded capital commitments	$ 1,247,600,000			$ 1,247,600,000		$ 1,030,600,000
Maximum exposure from guarantees	16,400,000			16,400,000		122,300,000
Carried interest, contingent repayment obligations	$ 0			$ 0		0
Minimum
COMMITMENTS AND CONTINGENCIES
Lease terms	1 year			1 year
Maximum
COMMITMENTS AND CONTINGENCIES
Lease terms	12 years			12 years
Performance income
COMMITMENTS AND CONTINGENCIES
Performance income subject to potential clawback provision	$ 75,300,000			$ 75,300,000		78,500,000
Performance income subject to potential claw back provision that are reimbursable by professionals	52,200,000			52,200,000		54,500,000
Crescent Point Capital
COMMITMENTS AND CONTINGENCIES
Commitment, maximum amount	75,000,000			$ 75,000,000
Business combination, percentage				33.00%
Business combination equity awards percentage				67.00%
Contingent liability	75,000,000			$ 75,000,000		75,000,000
Management incentive program, amount accrued	15,000,000			15,000,000		5,000,000
Compensation expense	5,000,000			10,000,000
Infrastructure Debt Acquisition
COMMITMENTS AND CONTINGENCIES
Commitment, maximum amount	15,000,000			$ 15,000,000			$ 48,500,000
Business combination, percentage				15.00%
Business combination equity awards percentage				85.00%
Contingent liability	13,600,000			$ 13,600,000		13,600,000
Management incentive program, amount accrued	5,400,000			5,400,000		$ 4,400,000
Compensation expense	$ 400,000	$ 600,000		$ 900,000	$ 1,200,000
Recognition period				4 years
Infrastructure Debt Acquisition | Revenue Target
COMMITMENTS AND CONTINGENCIES
Number of infrastructure debt funds revenue targets achieved | infrastructureDebtFund			1