Investments - Additional Information (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Jul. 31, 2024	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Schedule of Investments [Line Items]
Income (Loss) from Equity Method Investments		$ 3,872	$ 6,231	$ 6,655
Special Charges, Including Business Realignment Costs		0	7,305	2,921
Amortization of Intangible Assets		3,660
Net Realized and Unrealized Gains (Losses) on Private Equity Fund Investments		(1,120)	(101)	946
Previously Received Carried Interest Subject to Repayment		0
Total Assets		5,358,097	4,173,971	3,703,298
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount		3,510	5,138
Equity Securities without Readily Determinable Fair Value, Amount		1,673	625
Variable Interest Entity, Not Primary Beneficiary
Schedule of Investments [Line Items]
Total Assets		1,327	2,956
Equity Method Investments
Schedule of Investments [Line Items]
Amortization of Intangible Assets		$ 248	316	316
Atalanta Sosnoff
Schedule of Investments [Line Items]
Equity Method Investment, Ownership Percentage		49.00%
Income (Loss) from Equity Method Investments		$ 3,866	3,127	1,903
Seneca Evercore
Schedule of Investments [Line Items]
Equity Method Investment, Ownership Percentage		20.00%
Income (Loss) from Equity Method Investments		$ 6	290	230
ABS
Schedule of Investments [Line Items]
Equity Method Investment, Ownership Percentage	26.00%
Income (Loss) from Equity Method Investments			2,031	4,132
Proceeds from Sale of Equity Method Investments	$ 18,113
ABS | Other Revenue, Including Interest and Investments
Schedule of Investments [Line Items]
Equity Method Investment, Realized Gain (Loss) on Disposal			615
Luminis [Member]
Schedule of Investments [Line Items]
Income (Loss) from Equity Method Investments			783	$ 390
Special Charges, Including Business Realignment Costs			7,305
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax			581
Reclassification from Noncontrolling Interest, Current Period, Net of Tax			$ 77