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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, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Disaggregation of Revenue [Line Items]
Total Revenue	$ 311,040	$ 360,712	$ 652,213	$ 719,895
Federated Hermes Funds
Disaggregation of Revenue [Line Items]
Total Revenue	242,049	299,125	516,054	596,009
Separate Accounts
Disaggregation of Revenue [Line Items]
Total Revenue	65,182	58,100	129,037	115,522
Other
Disaggregation of Revenue [Line Items]
Total Revenue	$ 3,809	$ 3,487	$ 7,122	$ 8,364

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

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