v3.26.1
Investments - Additional Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Schedule of Investments [Line Items]          
Income (Loss) from Equity Method Investments $ 1,018 $ 815 $ 2,069 $ 1,694  
Net Realized and Unrealized Gains (Losses) on Private Equity Fund Investments (339) (114) (338) (1,094)  
Previously Received Carried Interest Subject to Repayment 0   0    
Total Assets 4,700,795 3,689,659 4,700,795 3,689,659 $ 5,358,097
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount 3,408   3,408   3,510
Equity Securities without Readily Determinable Fair Value, Amount 1,662   1,662   1,673
Variable Interest Entity, Not Primary Beneficiary          
Schedule of Investments [Line Items]          
Total Assets 1,226   1,226   $ 1,327
Equity Method Investments          
Schedule of Investments [Line Items]          
Amortization of Intangible Assets $ 62 62 $ 124 124  
Atalanta Sosnoff          
Schedule of Investments [Line Items]          
Equity Method Investment, Ownership Percentage 49.00%   49.00%    
Income (Loss) from Equity Method Investments $ 1,000 804 $ 2,043 1,721  
Seneca Evercore          
Schedule of Investments [Line Items]          
Equity Method Investment, Ownership Percentage 20.00%   20.00%    
Income (Loss) from Equity Method Investments $ 18 $ 11 $ 26 $ (27)