Legacy Class [Member] Expense Example - Legacy Class - MERIDIAN CONTRARIAN FUND - Legacy Class	Jun. 30, 2026 USD ($)
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	$ 120
Expense Example, with Redemption, 3 Years	375
Expense Example, with Redemption, 5 Years	650
Expense Example, with Redemption, 10 Years	$ 1,433

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Form N-1A
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Form N-1A
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