Acquisitions - Additional Information (Details) - USD ($) $ in Thousands, shares in Millions			1 Months Ended	12 Months Ended
	Aug. 01, 2022	Mar. 21, 2022	Mar. 31, 2022	Dec. 31, 2022
Minimum
Asset Acquisition [Line Items]
Amortization period				4 years
Maximum
Asset Acquisition [Line Items]
Amortization period				8 years
Management Contracts
Asset Acquisition [Line Items]
Purchase price		$ 812,900
Cash		618,400
Business acquisition costs		$ 3,400
Newly issued common shares (in shares)		4.2	4.2
Shares of common stock		$ 194,500
Acquired CLO senior and subordinated notes		$ 175,900
Amortization period		7 years
Management Contracts | Contractual Rights
Asset Acquisition [Line Items]
Acquired contractual rights		$ 794,300
Abingworth
Asset Acquisition [Line Items]
Equity interest acquired	100.00%
Total consideration transferred	$ 2,000,000
Cash	$ 161,200
Issuance of common stock (in shares)	0.6
Shares of common stock	$ 25,000
Earnout payable	$ 130,000
Business acquisition costs				$ 7,700
Abingworth | Minimum
Asset Acquisition [Line Items]
Amortization period	5 years
Abingworth | Maximum
Asset Acquisition [Line Items]
Amortization period	8 years