Institutional [Member] Annual Total Returns |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| Institutional | Harding Loevner Institutional Emerging Markets Portfolio | Institutional Class | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 28.41% | 2.68% | 6.15% | (27.66%) | (3.41%) | 13.88% | 25.76% | (18.63%) | 35.33% | 13.27% |