Investments - Additional Information (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended
	Jul. 31, 2024	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Schedule of Investments [Line Items]
Income (Loss) from Equity Method Investments		$ 879	$ 2,325
Net Realized and Unrealized Gains (Losses) on Private Equity Fund Investments		(980)	73
Previously Received Carried Interest Subject to Repayment		0
Total Assets		3,271,115	3,005,988	$ 4,173,971
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount		3,617		5,138
Equity Securities without Readily Determinable Fair Value, Amount		645		625
Variable Interest Entity, Not Primary Beneficiary [Member]
Schedule of Investments [Line Items]
Total Assets		1,434		$ 2,956
Equity Method Investments [Member]
Schedule of Investments [Line Items]
Amortization of Intangible Assets		$ 62	79
Atalanta Sosnoff [Member]
Schedule of Investments [Line Items]
Equity Method Investment, Ownership Percentage		49.00%
Income (Loss) from Equity Method Investments		$ 917	635
Seneca Evercore [Member]
Schedule of Investments [Line Items]
Equity Method Investment, Ownership Percentage		20.00%
Income (Loss) from Equity Method Investments		$ (38)	120
ABS [Member]
Schedule of Investments [Line Items]
Equity Method Investment, Ownership Percentage	26.00%
Income (Loss) from Equity Method Investments			1,002
Proceeds from Sale of Equity Method Investments	$ 18,113
Luminis [Member]
Schedule of Investments [Line Items]
Income (Loss) from Equity Method Investments			$ 568