Investors [Member] Shareholder Fees - Investor - Harding Loevner International Equity Portfolio - Investor Class |
Oct. 31, 2025 |
|---|---|
| Prospectus [Line Items] | |
| Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) | 0.00% |
| Redemption Fee (as a percentage of Amount Redeemed) | 0.00% |