COMMITMENTS AND CONTINGENCIES - Narrative (Details)	3 Months Ended
	Mar. 31, 2024 USD ($)	Mar. 31, 2023 USD ($)	Dec. 31, 2022 infrastructureDebtFund	Dec. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)
COMMITMENTS AND CONTINGENCIES
Unfunded capital commitments	$ 986,300,000			$ 1,030,600,000
Maximum exposure from guarantees	16,400,000			122,300,000
Carried interest, contingent repayment obligations	$ 0			0
Minimum
COMMITMENTS AND CONTINGENCIES
Lease terms	1 year
Maximum
COMMITMENTS AND CONTINGENCIES
Lease terms	12 years
Performance income
COMMITMENTS AND CONTINGENCIES
Performance income subject to potential clawback provision	$ 77,700,000			78,500,000
Performance income subject to potential claw back provision that are reimbursable by professionals	53,900,000			54,500,000
Crescent Point Capital
COMMITMENTS AND CONTINGENCIES
Commitment, maximum amount	$ 75,000,000
Business combination, percentage	33.00%
Business combination equity awards percentage	67.00%
Contingent liability	$ 75,000,000			75,000,000
Management incentive program, amount accrued	10,000,000			5,000,000
Compensation expense	5,000,000
Infrastructure Debt Acquisition
COMMITMENTS AND CONTINGENCIES
Commitment, maximum amount	$ 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
Management incentive program, amount accrued	4,900,000			$ 4,400,000
Compensation expense	$ 500,000	$ 600,000
Recognition period	4 years
Infrastructure Debt Acquisition | Revenue Target
COMMITMENTS AND CONTINGENCIES
Number of infrastructure debt funds revenue targets achieved | infrastructureDebtFund			1