Expense Example - Circle Reserve Fund - Institutional Shares	Apr. 30, 2026 USD ($)
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	$ 17
Expense Example, with Redemption, 3 Years	61
Expense Example, with Redemption, 5 Years	110
Expense Example, with Redemption, 10 Years	$ 252

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