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Consolidation - Narrative (Details) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2024 USD ($) VIE | Mar. 31, 2023 USD ($) | Dec. 31, 2023 USD ($)
Variable Interest Entities [Line Items] |  |  |
Fee waivers | $ 108,200,000 | $ 125,200,000 |
Number of VIEs consolidated | VIE | 1 |  |
Variable Interest Entity Not Primary Beneficiary |  |  |
Variable Interest Entities [Line Items] |  |  |
Assets under managed investments | $ 200,000,000 |  | $ 9,300,000,000
Other Long-Term Assets | Variable Interest Entity Not Primary Beneficiary |  |  |
Variable Interest Entities [Line Items] |  |  |
Federated Hermes' maximum risk of loss | 3,400,000 |  |
Cash and Cash Equivalents | Variable Interest Entity Not Primary Beneficiary |  |  |
Variable Interest Entities [Line Items] |  |  |
Federated Hermes' maximum risk of loss |  |  | 133,900,000
Accounts Receivable | Variable Interest Entity Not Primary Beneficiary |  |  |
Variable Interest Entities [Line Items] |  |  |
Federated Hermes' maximum risk of loss | 300,000 |  | $ 1,100,000
Financial Support, Fee Waivers |  |  |
Variable Interest Entities [Line Items] |  |  |
Money market funds which meet the scope exception of the consolidation guidance | 81,100,000 | 96,100,000 |
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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