Restricted Cash, Other Assets and Other Liabilities - Schedule of Accrued and Other Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Deferred investment management fees	$ 26,882	$ 9,306
Common and preferred stock dividends payable	16,545	16,524	$ 16,477
Current and deferred income tax liability	5,377	5,798
Accrued compensation	69,475	54,644
Accrued incentive fee and carried interest compensation	358,506	497,288
Operating lease liability for corporate offices	$ 32,162	$ 43,351
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Total other liabilities	Total other liabilities
Accounts payable and accrued expenses	$ 43,888	$ 26,213
Other liabilities	256	697
Liabilities of discontinued operations	0	259
Other liabilities, excluding other liabilities of consolidated funds	582,129	668,018
Securities sold short	74,287	47,930
Due to custodians	13,483	9,121
Total other liabilities	670,155	725,766
Deferred investment management fees recognized	$ 4,700	$ 3,800
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Fee income, weighted-average recognition period (in years)		3 years 2 months 12 days
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Fee income, weighted-average recognition period (in years)	4 years 3 months 18 days
Related Party
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Other liabilities	$ 26,112	$ 1,675
Nonrelated Party
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Other liabilities	3,084	12,796
Corporate Debt
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Interest payable on corporate debt	$ 98	$ 164