DF Dent Premier Growth Fund DF Dent Premier Growth Fund Shares Capital Gains Risk Redemption Risk Market Events Risk Management Risk Growth Company Risk Equity Risk Small and Mid-Sized Capitalization Company Risk Cash and Cash Equivalents Risk Large Capitalization Company Risk Sector Risk REIT Risk Initial Public Offering Risk ADR Risk Preferred Stock Risk Convertible Securities Risk Exchange-Traded Funds Risk S&P 500® Index (reflects no deduction for fees, expenses or taxes) DF Dent Midcap Growth Fund Investor Shares Institutional Shares Institutional Plus Shares Russell 2500® Index (reflects no deduction for fees, expenses or taxes) Russell Midcap® Growth Index (reflects no deduction for fees, expenses or taxes) DF Dent Small Cap Growth Fund Investor Shares Institutional Shares Institutional Plus Shares Small Capitalization Company Risk Russell 2000® Index (reflects no deduction for fees, expenses or taxes) Russell 2000® Growth Index (reflects no deduction for fees, expenses or taxes) Investor Shares [Default Label] Institutional Shares [Default Label] Institutional Plus Shares [Default Label]