First Sentier American Listed Infrastructure Fund Class I Shares Infrastructure Companies Risk Utilities Sector Risk Industrials Sector Risk Concentration Risk Management Risk General Market Risk Equity Securities Risk Depositary Receipt Risk Foreign Securities Risk Stapled Securities Risk Real Estate Investment Trusts Risk Initial Public Offering Risk Small- and Medium-Sized Companies Risk S&P 500 Total Return (reflects no deduction for fees, expenses, or taxes) FTSE USA Core Infrastructure Capped Index, Net Total Returns (reflects no deduction for fees, expenses, or taxes) First Sentier Global Listed Infrastructure Fund Class I Shares Emerging Markets Risk Foreign Currency Risk Limited Partnership and MLP Risk S&P Global 1200 Total Return (reflects no deduction for fees, expenses, or taxes) FTSE Global Core Infrastructure 50/50 Net Index (reflects no deduction for fees, expenses, or taxes) Stewart Investors Global Emerging Markets Leaders Fund Select Shares Investor Shares Market and Regulatory Risk Risks Associated with Investing in Emerging Markets Medium-Sized Companies Risk Sector Risk Sustainability Factor Incorporation Risk New Fund Risk Cyber Security Risk Class I Shares [Default Label]