Advisor [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 |
|
| Advisor | Harding Loevner Global Equity Portfolio | Advisor Class | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 11.93% | 13.64% | 21.84% | (30.20%) | 14.65% | 29.60% | 28.77% | (10.62%) | 31.84% | 5.75% |