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Consolidation - Narrative (Details)	3 Months Ended
	Mar. 31, 2023 USD ($) variable_interest_entity	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)
Variable Interest Entities [Line Items]
Fee waivers	$ 125,200,000	$ 198,500,000
Number of VIEs deconsolidated | variable_interest_entity	1
Variable Interest Entity Not Primary Beneficiary
Variable Interest Entities [Line Items]
Assets under managed investments	$ 5,100,000,000		$ 5,400,000,000
Cash and Cash Equivalents | Variable Interest Entity Not Primary Beneficiary
Variable Interest Entities [Line Items]
Federated Hermes' maximum risk of loss in non-consolidated investment companies	68,700,000		101,700,000
Receivables - Affiliates | Variable Interest Entity Not Primary Beneficiary
Variable Interest Entities [Line Items]
Federated Hermes' maximum risk of loss in non-consolidated investment companies	700,000		$ 700,000
Financial Support, Fee Waivers
Variable Interest Entities [Line Items]
Money market funds which meet the scope exception of the consolidation guidance	96,100,000	164,800,000
Financial Support, Capital Contributions
Variable Interest Entities [Line Items]
Money market funds which meet the scope exception of the consolidation guidance	$ 0	$ 0

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- Definition

Fee waivers and reimbursements or assumptions of expenses

+ References

No definition available.

+ Details

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- Definition

Variable Interest Entity, Deconsolidated, Number of Entities

+ References

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- Definition

The carrying amount of assets an investment adviser manages on behalf of investors.

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- Definition

Amount of financial support provided to a nonconsolidated legal entity that is required to comply with or operate in accordance with requirements that are similar to those included in Rule 2a-7 of the Investment Company Act of 1940 for registered money market funds.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 20
-Section 50
-Paragraph 15
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-Name Accounting Standards Codification
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- Definition

The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE).

+ References

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-Name Accounting Standards Codification
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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