S000004423 [Member] Investment Objectives and Goals - Ultra-Small Company Fund |
Jun. 30, 2025 |
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| Prospectus [Line Items] | |
| Risk/Return [Heading] | FUND SUMMARY: ULTRA-SMALL COMPANY FUND |
| Objective [Heading] | Investment Objective: |
| Objective, Primary [Text Block] | The Ultra-Small Company Fund (the “Fund”) seeks to provide a long-term total return on capital, primarily through capital appreciation.
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