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Investment In Unconsolidated Affiliate - Condensed Statements of Operations of LSV (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Schedule of Equity Method Investments [Line Items]        
Revenues $ 537,396 $ 476,759 $ 1,567,961 $ 1,434,935
Equity Method Investment, Nonconsolidated Investee        
Schedule of Equity Method Investments [Line Items]        
Revenues 122,412 102,183 343,581 309,211
Net income $ 94,634 $ 77,566 $ 265,335 $ 237,119