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Investments - Summary of Other Equity Investments (Details) - USD ($)
$ in Thousands
Sep. 30, 2024
Dec. 31, 2023
Schedule of Equity Method Investments [Line Items]    
Equity Method Investment $ 12,364 $ 36,876
ABS [Member]    
Schedule of Equity Method Investments [Line Items]    
Equity Method Investment 0 18,770
Atalanta Sosnoff [Member]    
Schedule of Equity Method Investments [Line Items]    
Equity Method Investment 11,109 10,906
Luminis [Member]    
Schedule of Equity Method Investments [Line Items]    
Equity Method Investment 0 6,296
Seneca Evercore [Member]    
Schedule of Equity Method Investments [Line Items]    
Equity Method Investment $ 1,255 $ 904