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Equity Acquisition - Narrative (Details) £ in Millions, $ in Millions | Mar. 14, 2022 GBP (£) | Mar. 14, 2022 USD ($)
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Federated Hermes Limited |  |
Business Acquisition [Line Items] |  |
Ownership percentage | 100.00% | 100.00%
Federated Hermes Limited |  |
Business Acquisition [Line Items] |  |
Additional equity interests acquired | 10.00% | 10.00%
Class B Shares | Federated Hermes Limited |  |
Business Acquisition [Line Items] |  |
Conversion of stock, amount converted | £ 36.4 | $ 47.5

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