Expense Example - The Chesapeake Growth Fund - The Chesapeake Growth Fund	Feb. 27, 2026 USD ($)
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	$ 174
Expense Example, with Redemption, 3 Years	539
Expense Example, with Redemption, 5 Years	928
Expense Example, with Redemption, 10 Years	$ 2,019

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