S000011692 [Member] Expense Example - Midas Discovery - Midas Discovery	Dec. 31, 2025 USD ($)
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	$ 350
Expense Example, with Redemption, 3 Years	1,065
Expense Example, with Redemption, 5 Years	1,803
Expense Example, with Redemption, 10 Years	$ 3,747

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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