COMMITMENTS AND CONTINGENCIES - Narrative (Details)		3 Months Ended		12 Months Ended
	Dec. 01, 2024 USD ($)	Dec. 31, 2024 USD ($) infrastructureDebtFund	Dec. 31, 2022 infrastructureDebtFund	Dec. 31, 2024 USD ($) infrastructureDebtFund	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Mar. 31, 2022 USD ($)
COMMITMENTS AND CONTINGENCIES
Unfunded capital commitments		$ 1,451,400,000		$ 1,451,400,000	$ 1,030,600,000
Maximum exposure from guarantees		1,100,000		1,100,000	122,300,000
Carried interest, contingent repayment obligations		0		0	0
Performance income
COMMITMENTS AND CONTINGENCIES
Performance income subject to potential clawback provision		59,600,000		59,600,000	78,500,000
Performance income subject to potential claw back provision that are reimbursable by professionals		$ 39,500,000		$ 39,500,000	54,500,000
Maximum
COMMITMENTS AND CONTINGENCIES
Lease terms		19 years		19 years
Minimum
COMMITMENTS AND CONTINGENCIES
Lease terms		1 year		1 year
Walton Street Capital Mexico | Due to Affiliates | Affiliated entity
COMMITMENTS AND CONTINGENCIES
Contingent consideration	$ 17,600,000
Walton Street Capital Mexico | Earnout Arrangement And Management Incentive Program
COMMITMENTS AND CONTINGENCIES
Deferred compensation expense				$ 800,000
Walton Street Capital Mexico | Earnout Arrangement And Management Incentive Program | Due to Affiliates | Affiliated entity
COMMITMENTS AND CONTINGENCIES
Contingent consideration		$ 17,600,000		17,600,000
Walton Street Capital Mexico | Earnout Arrangement And Management Incentive Program | Accrued Compensation
COMMITMENTS AND CONTINGENCIES
Contingent consideration		15,600,000		$ 15,600,000
Walton Street Capital Mexico | Earnout Arrangement
COMMITMENTS AND CONTINGENCIES
Commitment, maximum amount	$ 40,000,000
Walton Street Capital Mexico | Earnout Arrangement | Due to Affiliates | Affiliated entity
COMMITMENTS AND CONTINGENCIES
Contingent consideration, liability (as a percent)	59.10%
Walton Street Capital Mexico | Earnout Arrangement | Accrued Compensation
COMMITMENTS AND CONTINGENCIES
Contingent consideration, liability, remaining (as a percent)				40.90%
Contingent consideration, liability, paid in cash (as a percent)				60.00%
Walton Street Capital Mexico | Management Incentive Program
COMMITMENTS AND CONTINGENCIES
Commitment, maximum amount	$ 25,000,000
Walton Street Capital Mexico | Management Incentive Program | Due to Affiliates | Affiliated entity
COMMITMENTS AND CONTINGENCIES
Contingent consideration, liability (as a percent)	30.00%
Walton Street Capital Mexico | Management Incentive Program | Accrued Compensation
COMMITMENTS AND CONTINGENCIES
Contingent consideration, liability, remaining (as a percent)				70.00%
Contingent consideration, liability, paid in cash (as a percent)	50.00%
Crescent Point Capital
COMMITMENTS AND CONTINGENCIES
Commitment, maximum amount		75,000,000		$ 75,000,000
Contingent liability		75,000,000		75,000,000	75,000,000
Management incentive program, amount accrued		$ 25,000,000		25,000,000	5,000,000
Compensation expense				$ 20,000,000	5,000,000
Crescent Point Capital | Management Incentive Program
COMMITMENTS AND CONTINGENCIES
Contingent consideration, liability, paid in cash (as a percent)				33.00%
Contingent consideration, liability, paid in equity awards (as a percent)				67.00%
Infrastructure Debt Acquisition
COMMITMENTS AND CONTINGENCIES
Commitment, maximum amount							$ 48,500,000
Contingent consideration, liability, paid in cash (as a percent)				15.00%
Contingent consideration, liability, paid in equity awards (as a percent)				85.00%
Recognition period				4 years
Number of infrastructure debt funds remaining | infrastructureDebtFund		2		2
Infrastructure Debt Acquisition | Revenue Target
COMMITMENTS AND CONTINGENCIES
Commitment, maximum amount		$ 15,000,000		$ 15,000,000
Contingent liability		9,000,000		9,000,000	9,000,000
Management incentive program, amount accrued		$ 4,100,000		4,100,000	2,800,000
Compensation expense				1,300,000	$ 1,500,000	$ 1,300,000
Number of infrastructure debt funds revenue targets achieved | infrastructureDebtFund			1
Number of infrastructure debt funds revenue targets not achieved | infrastructureDebtFund		1
Management incentive program, expenses				$ 1,600,000