v3.25.4
Institutional Class Z [Member] Investment Objectives and Goals - Institutional Z - Harding Loevner Global Equity Portfolio
Oct. 31, 2025
Prospectus [Line Items]  
Risk/Return [Heading] Global Equity Portfolio
Objective [Heading] Investment Objective
Objective, Primary [Text Block]
The Global Equity Portfolio (the “Portfolio”) seeks long-term capital appreciation through investments in equity securities of companies based both inside and outside the United States.