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Investments Schedule of Equity Method Investment Ownership (Details)
$ in Millions
Sep. 30, 2022
USD ($)
Schedule of Equity Method Investments [Line Items]  
Equity method investment, deferred compensation plans $ 3.4
Research Opportunities Fund  
Schedule of Equity Method Investments [Line Items]  
Ownership percentage 49.00%
Micro Cap Fund LP  
Schedule of Equity Method Investments [Line Items]  
Ownership percentage 85.00%