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Business Combinations (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Apr. 03, 2023
Dec. 31, 2022
Business Acquisition [Line Items]      
Goodwill $ 656,672   $ 653,524
Rothschild & Co Asset Management U.S.      
Business Acquisition [Line Items]      
Assets acquired in acquisition   $ 12,600  
Goodwill   $ 2,600