Institutional [Member] Investment Objectives and Goals - Institutional - Harding Loevner International Small Companies Portfolio |
Oct. 31, 2025 |
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| Prospectus [Line Items] | |
| Risk/Return [Heading] | International Small Companies Portfolio |
| Objective [Heading] | Investment Objective |
| Objective, Primary [Text Block] | The International Small Companies Portfolio (the “Portfolio”) seeks long-term capital appreciation through investments in equity securities of small companies based outside the United States.
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