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Concentration Risk - Schedule of Revenue Concentration by Investment Strategy/Fund (Details) - Product Concentration Risk - Revenue benchmark
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Federated Hermes Government Obligations Fund        
Concentration Risk [Line Items]        
Concentration risk 14.00% 5.00% 11.00% 5.00%
Federated Hermes Kaufmann Fund and Federated Hermes Kaufmann Fund II        
Concentration Risk [Line Items]        
Concentration risk 6.00% 12.00% 7.00% 11.00%