v3.23.3
Investments - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Mar. 28, 2022
Jan. 31, 2022
Schedule of Investments [Line Items]              
Income from Equity Method Investments $ 1,664 $ 2,027 $ 4,674 $ 6,813      
Net Realized and Unrealized Gains (Losses) on Private Equity Fund Investments 54 308 694 244      
Previously Received Carried Interest Subject to Repayment 317   317        
Total Assets 3,225,798 3,151,269 3,225,798 3,151,269 $ 3,620,923    
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount 5,613   5,613   5,385    
Equity Securities without Readily Determinable Fair Value, Amount 609   609   604    
Variable Interest Entity, Not Primary Beneficiary [Member]              
Schedule of Investments [Line Items]              
Total Assets 3,430   3,430   $ 3,166    
Equity Method Investments [Member]              
Schedule of Investments [Line Items]              
Amortization of Intangible Assets $ 79 79 $ 237 237      
ABS [Member]              
Schedule of Investments [Line Items]              
Equity Method Investment, Ownership Percentage 26.00%   26.00%     26.00% 46.00%
Income from Equity Method Investments $ 1,066 1,043 $ 3,136 3,413      
Proceeds from Sale of Equity Method Investments       18,300      
ABS [Member] | Other Revenue, Including Interest and Investments              
Schedule of Investments [Line Items]              
Equity Method Investment, Realized Gain (Loss) on Disposal       1,294      
Atalanta Sosnoff [Member]              
Schedule of Investments [Line Items]              
Equity Method Investment, Ownership Percentage 49.00%   49.00%        
Income from Equity Method Investments $ 418 533 $ 1,144 2,411      
Luminis [Member]              
Schedule of Investments [Line Items]              
Equity Method Investment, Ownership Percentage 20.00%   20.00%        
Income from Equity Method Investments $ 53 397 $ 350 787      
Seneca Evercore [Member]              
Schedule of Investments [Line Items]              
Equity Method Investment, Ownership Percentage 20.00%   20.00%        
Income from Equity Method Investments $ 127 $ 54 $ 44 $ 202