Related Party Transactions - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions			12 Months Ended
	May 05, 2020	Jan. 01, 2020	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Related Party Transaction [Line Items]
Tax receivable agreement termination, cash payments per partnership unit exchanged (usd per share)		$ 1.50
Tax receivable agreement termination, term of annual installments		5 years
Tax receivable agreement termination, annual cash payments per partnership unit exchanged (usd per share)		$ 0.30
Conversion of units, deferred consideration obligation, discount		$ 11.3
Percentage of estimated realizable tax benefit to be paid by corporate taxpayers on exchange transactions			85.00%
Payment of aircraft related expenses				$ 0.7
Interest and other income			$ 212.1	135.9	$ 90.7
Fair value of assets			7,962.9	7,577.8
Level III
Related Party Transaction [Line Items]
Fair value of assets			$ 7,379.4	6,983.9
Level III | BDC preferred shares
Related Party Transaction [Line Items]
Fair value of assets				76.9
Affiliates
Related Party Transaction [Line Items]
Maximum percentage of interest on amounts due from affiliates			7.02%
Notes receivable and accrued interest from affiliates			$ 25.0	23.2
Floor rate			3.50%
Actual rate			0.0750
Payment of aircraft related expenses					$ 1.1
Reimbursement receivable				0.4
Affiliates | Carlyle Secured Lending, Inc.
Related Party Transaction [Line Items]
Purchase of investment (in shares)	2,000,000
Purchase of investment (in dollars per share)	$ 25
Preferred stock, dividend rate, percentage	7.00%
Dividend rate, payable in shares, percentage	9.00%
Initial conversion price (in usd per share)	$ 9.50
Affiliates | Prime Rate
Related Party Transaction [Line Items]
Accrued interest percentage			1.00%
Related Party | Carlyle Secured Lending, Inc.
Related Party Transaction [Line Items]
Interest and other income			$ 3.5	$ 3.5