Investors [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 |
|
| Investor | Harding Loevner Frontier Emerging Markets Portfolio | Investor | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 16.63% | 8.36% | 10.14% | (19.27%) | 9.82% | (0.23%) | 10.42% | (15.69%) | 24.61% | 1.66% |