Federated Hermes U S Treasury Cash Reserves Expense Example - Select Shares [Member] - Federated Hermes U S Treasury Cash Reserves - SEL	Apr. 30, 2026 USD ($)
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	$ 28
Expense Example, with Redemption, 3 Years	87
Expense Example, with Redemption, 5 Years	152
Expense Example, with Redemption, 10 Years	$ 343

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