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Revenue from Contracts with Customers - Disaggregation of Revenue by Product Type (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Disaggregation of Revenue [Line Items]
Total Revenue	$ 402,583	$ 433,232	$ 798,954	$ 815,421
Federated Hermes Funds
Disaggregation of Revenue [Line Items]
Total Revenue	338,647	368,614	669,588	684,545
Separate Accounts
Disaggregation of Revenue [Line Items]
Total Revenue	59,511	60,916	121,014	123,008
Other
Disaggregation of Revenue [Line Items]
Total Revenue	$ 4,425	$ 3,702	$ 8,352	$ 7,868

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