Performance Management |
Nov. 01, 2026 |
|---|---|
| DF Dent Premier Growth Fund | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Performance Information |
| Performance Narrative [Text Block] | The bar chart and table that follow provide some indication of the risks of investing in the Fund by showing changes in the performance of the Fund from year to year and by showing how the Fund’s average annual returns compare with those of a broad measure of market performance. Updated performance information is available at www.dfdent.com or by calling (866) 2DF-DENT or (866) 233-3368 (toll free).
Performance information (before and after taxes) represents only past performance and does not necessarily indicate future results. |
| Performance Past Does Not Indicate Future [Text] | Performance information (before and after taxes) represents only past performance and does not necessarily indicate future results. |
| Performance Information Illustrates Variability of Returns [Text] | The bar chart and table that follow provide some indication of the risks of investing in the Fund by showing changes in the performance of the Fund from year to year and by showing how the Fund’s average annual returns compare with those of a broad measure of market performance. |
| Bar Chart [Heading] | Annual Returns as of December 31 |
| Bar Chart Closing [Text Block] | During the period shown, the highest return for a quarter was 26.95% for the quarter ended June 30, 2020, and the lowest return was -19.13% for the quarter ended June 30, 2022.
The calendar year-to-date total return as of September 30, 2026 was -1.68%. |
| Performance Table Heading | Average Annual Total Returns (For the periods ended December 31, 2025) |
| Performance Table Uses Highest Federal Rate | After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. |
| Performance Table Not Relevant to Tax Deferred | After-tax returns shown are not relevant to investors who hold their Fund shares through tax-advantaged arrangements, such as 401(k) plans or individual retirement accounts. |
| Performance Table Explanation after Tax Higher | The return after taxes on distributions and sale of Fund shares may exceed the return before taxes due to an assumed tax benefit from any losses on a sale of Fund shares at the end of the measurement period. |
| Index No Deduction for Fees, Expenses, or Taxes [Text] | (reflects no deduction for fees, expenses or taxes) |
| Performance Table Closing [Text Block] | S&P 500® Index is a broad-based, unmanaged measure of changes in stock market conditions based on the average performance of stocks of 500 large U.S. companies.
After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. After-tax returns shown are not relevant to investors who hold their Fund shares through tax-advantaged arrangements, such as 401(k) plans or individual retirement accounts.
The return after taxes on distributions and sale of Fund shares may exceed the return before taxes due to an assumed tax benefit from any losses on a sale of Fund shares at the end of the measurement period. |
| Performance Availability Website Address [Text] | www.dfdent.com |
| Performance Availability Phone [Text] | (866) 2DF-DENT or (866) 233-3368 (toll free) |
| DF Dent Premier Growth Fund | DF Dent Premier Growth Fund Shares | |
| Prospectus [Line Items] | |
| Year to Date Return, Label [Optional Text] | year-to-date total return |
| Bar Chart, Year to Date Return | (1.68%) |
| Bar Chart, Year to Date Return, Date | Sep. 30, 2026 |
| Highest Quarterly Return, Label [Optional Text] | highest return |
| Highest Quarterly Return | 26.95% |
| Highest Quarterly Return, Date | Jun. 30, 2020 |
| Lowest Quarterly Return, Label [Optional Text] | lowest return |
| Lowest Quarterly Return | (19.13%) |
| Lowest Quarterly Return, Date | Jun. 30, 2022 |
| DF Dent Midcap Growth Fund | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Performance Information |
| Performance Narrative [Text Block] | The bar chart and table that follow provide some indication of the risks of investing in the Fund by showing changes in the performance of the Fund's Investor Shares from year to year and by showing how the Fund’s average annual returns compare with those of a broad measure of market performance and an additional benchmark with characteristics relevant to the Fund. The historical performance of the Fund’s Investor Class shares is used to calculate the performance of the Fund’s Institutional Class and Institutional Plus Class shares. Each share class is invested in the same portfolio of securities, and the annual returns would have differed only to the extent that the classes do not have the same charges and expenses. The performance figures have not been adjusted to reflect applicable class fees and expenses. Updated performance information is available at www.dfdent.com or by calling (866) 2DF-DENT or (866) 233-3368 (toll free).
Performance information (before and after taxes) represents only past performance and does not necessarily indicate future results. |
| Performance Past Does Not Indicate Future [Text] | Performance information (before and after taxes) represents only past performance and does not necessarily indicate future results. |
| Performance Information Illustrates Variability of Returns [Text] | The bar chart and table that follow provide some indication of the risks of investing in the Fund by showing changes in the performance of the Fund's Investor Shares from year to year and by showing how the Fund’s average annual returns compare with those of a broad measure of market performance and an additional benchmark with characteristics relevant to the Fund. |
| Bar Chart [Heading] | Annual Returns as of December 31 Investor Shares |
| Bar Chart Closing [Text Block] | During the period shown, the highest return for a quarter was 26.74% for the quarter ended June 30, 2020, and the lowest return was -19.51% for the quarter ended June 30, 2022.
The calendar year-to-date total return as of September 30, 2026 was -5.76%. |
| Performance Table Heading | Average Annual Total Returns (For the periods ended December 31, 2025) |
| Performance Table Uses Highest Federal Rate | After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. |
| Performance Table Not Relevant to Tax Deferred | After-tax returns shown are not relevant to investors who hold their Fund shares through tax-advantaged arrangements, such as 401(k) plans or individual retirement accounts. |
| Performance Table Explanation after Tax Higher | The return after taxes on distributions and sale of Fund shares may exceed the return before taxes due to an assumed tax benefit from any losses on a sale of Fund shares at the end of the measurement period. |
| Performance Table One Class of after Tax Shown [Text] | After-tax returns are shown only for the Fund's Investor Shares and after-tax returns for other share classes will vary. |
| Index No Deduction for Fees, Expenses, or Taxes [Text] | (reflects no deduction for fees, expenses or taxes) |
| Performance Table Closing [Text Block] | Russell 2500® Index is a subset of the Russell 3000 Index, and measures the performance of the small to mid-capitalization sector of the U.S. equity market, as defined by FTSE Russell.
Russell Midcap® Growth Index measures the performance of the mid-cap growth segment of the U.S. equity universe. It includes those Russell Midcap Index companies with higher price-to-book ratios and higher forecasted growth values.
After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. After-tax returns shown are not relevant to investors who hold their Fund shares through tax-advantaged arrangements, such as 401(k) plans or individual retirement accounts. After-tax returns are shown only for the Fund's Investor Shares and after-tax returns for other share classes will vary.
The return after taxes on distributions and sale of Fund shares may exceed the return before taxes due to an assumed tax benefit from any losses on a sale of Fund shares at the end of the measurement period. |
| Performance Availability Website Address [Text] | www.dfdent.com |
| Performance Availability Phone [Text] | (866) 2DF-DENT or (866) 233-3368 (toll free) |
| DF Dent Midcap Growth Fund | Investor Shares | |
| Prospectus [Line Items] | |
| Year to Date Return, Label [Optional Text] | year-to-date total return |
| Bar Chart, Year to Date Return | (5.76%) |
| Bar Chart, Year to Date Return, Date | Sep. 30, 2026 |
| Highest Quarterly Return, Label [Optional Text] | highest return |
| Highest Quarterly Return | 26.74% |
| Highest Quarterly Return, Date | Jun. 30, 2020 |
| Lowest Quarterly Return, Label [Optional Text] | lowest return |
| Lowest Quarterly Return | (19.51%) |
| Lowest Quarterly Return, Date | Jun. 30, 2022 |
| DF Dent Small Cap Growth Fund | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Performance Information |
| Performance Narrative [Text Block] | The bar chart and table that follow provide some indication of the risks of investing in the Fund by showing changes in the performance of the Fund's Investor Shares from year to year and by showing how the Fund’s average annual returns compare with those of a broad measure of market performance and an additional benchmark with characteristics relevant to the Fund. The historical performance of the Fund’s Investor Class shares is used to calculate the performance of the Fund’s Institutional Class and Institutional Plus Class shares. Each share class is invested in the same portfolio of securities, and the annual returns would have differed only to the extent that the classes do not have the same charges and expenses. The performance figures have not been adjusted to reflect applicable class fees and expenses. Updated performance information is available at www.dfdent.com or by calling (866) 2DF-DENT or (866) 233-3368 (toll free).
Performance information (before and after taxes) represents only past performance and does not necessarily indicate future results. |
| Performance Past Does Not Indicate Future [Text] | Performance information (before and after taxes) represents only past performance and does not necessarily indicate future results. |
| Performance Information Illustrates Variability of Returns [Text] | The bar chart and table that follow provide some indication of the risks of investing in the Fund by showing changes in the performance of the Fund's Investor Shares from year to year and by showing how the Fund’s average annual returns compare with those of a broad measure of market performance and an additional benchmark with characteristics relevant to the Fund. |
| Bar Chart [Heading] | Annual Returns as of December 31 Investor Shares |
| Bar Chart Closing [Text Block] | During the period shown, the highest return for a quarter was 30.73% for the quarter ended June 30, 2020, and the lowest return was -20.30% for the quarter ended March 31, 2020.
The calendar year-to-date total return as of September 30, 2026 was -2.73%. |
| Performance Table Heading | Average Annual Total Returns (For the periods ended December 31, 2025) |
| Performance Table Uses Highest Federal Rate | After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. |
| Performance Table Not Relevant to Tax Deferred | After-tax returns shown are not relevant to investors who hold their Fund shares through tax-advantaged arrangements, such as 401(k) plans or individual retirement accounts. |
| Performance Table Explanation after Tax Higher | The return after taxes on distributions and sale of Fund shares may exceed the return before taxes due to an assumed tax benefit from any losses on a sale of Fund shares at the end of the measurement period. |
| Performance Table One Class of after Tax Shown [Text] | After-tax returns are shown only for the Fund's Investor Shares and after-tax returns for other share classes will vary. |
| Index No Deduction for Fees, Expenses, or Taxes [Text] | (reflects no deduction for fees, expenses or taxes) |
| Performance Table Closing [Text Block] | Russell 2000® Index is a float-adjusted capitalization-weighted index of equity securities issued by the approximately 2,000 smallest issuers in the Russell 3000 Index. The Russell 2000 Index measures the performance of the small-capitalization sector of the U.S. equity market, as defined by FTSE Russell. The Russell 2000 Index is a subset of the Russell 3000 Index, which measures the performance of the broad U.S. equity market, as defined by FTSE Russell.
Russell 2000® Growth Index measures the performance of the small cap growth segment of the U.S. equity universe. It includes those Russell 2000 Index companies with relatively higher price-to-book ratios and higher forecasted growth values.
After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. After-tax returns shown are not relevant to investors who hold their Fund shares through tax-advantaged arrangements, such as 401(k) plans or individual retirement accounts. After-tax returns are shown only for the Fund's Investor Shares and after-tax returns for other share classes will vary.
The return after taxes on distributions and sale of Fund shares may exceed the return before taxes due to an assumed tax benefit from any losses on a sale of Fund shares at the end of the measurement period. |
| Performance Availability Website Address [Text] | www.dfdent.com |
| Performance Availability Phone [Text] | (866) 2DF-DENT or (866) 233-3368 (toll free) |
| DF Dent Small Cap Growth Fund | Investor Shares | |
| Prospectus [Line Items] | |
| Year to Date Return, Label [Optional Text] | year-to-date total return |
| Bar Chart, Year to Date Return | (2.73%) |
| Bar Chart, Year to Date Return, Date | Sep. 30, 2026 |
| Highest Quarterly Return, Label [Optional Text] | highest return |
| Highest Quarterly Return | 30.73% |
| Highest Quarterly Return, Date | Jun. 30, 2020 |
| Lowest Quarterly Return, Label [Optional Text] | lowest return |
| Lowest Quarterly Return | (20.30%) |
| Lowest Quarterly Return, Date | Mar. 31, 2020 |