Performance Management - Riverbridge Growth Fund |
Nov. 30, 2025 |
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| Prospectus [Line Items] | |||||||||||||||||||||||||||||
| Bar Chart and Performance Table [Heading] | Performance | ||||||||||||||||||||||||||||
| Performance Narrative [Text Block] | The bar chart and table below provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year for Institutional Class Shares and by showing how the average annual total returns of each class of the Fund compare with the average annual total returns of the S&P 500 Index, the Fund’s broad-based securities market index, and the Russell 3000 Growth Index, the Fund’s secondary benchmark index that more closely represents the investment exposure sought by the Fund. Performance for classes other than those shown may vary from the performance shown to the extent the expenses for those classes differ. Updated performance information is available at the Fund’s website, www.riverbridge.com, or by calling the Fund at 1-888-447-4470. The Fund’s past performance, before and after taxes, is not necessarily an indication of how the Fund will perform in the future. |
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| Performance Past Does Not Indicate Future [Text] | The Fund’s past performance, before and after taxes, is not necessarily an indication of how the Fund will perform in the future. | ||||||||||||||||||||||||||||
| Performance Information Illustrates Variability of Returns [Text] | The bar chart and table below provide some indication of the risks of investing in the Fund by showing changes in the Fund’s performance from year to year for Institutional Class Shares and by showing how the average annual total returns of each class of the Fund compare with the average annual total returns of the S&P 500 Index, the Fund’s broad-based securities market index, and the Russell 3000 Growth Index, the Fund’s secondary benchmark index that more closely represents the investment exposure sought by the Fund. | ||||||||||||||||||||||||||||
| Bar Chart [Heading] | Calendar Year Total Return (before taxes) for Institutional Class Shares For each calendar year at net asset value per share (“NAV”) | ||||||||||||||||||||||||||||
| Bar Chart [Table] |
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| Bar Chart Closing [Text Block] |
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| Highest Quarterly Return, Label [Optional Text] | Highest Calendar Quarter Return at NAV | ||||||||||||||||||||||||||||
| Highest Quarterly Return | 27.48% | ||||||||||||||||||||||||||||
| Highest Quarterly Return, Date | Jun. 30, 2020 | ||||||||||||||||||||||||||||
| Lowest Quarterly Return, Label [Optional Text] | Lowest Calendar Quarter Return at NAV | ||||||||||||||||||||||||||||
| Lowest Quarterly Return | (20.70%) | ||||||||||||||||||||||||||||
| Lowest Quarterly Return, Date | Jun. 30, 2022 | ||||||||||||||||||||||||||||
| Performance Table Heading | Average Annual Total Returns (for 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-deferred arrangements, such as 401(k) plans or individual retirement accounts. | ||||||||||||||||||||||||||||
| Performance [Table] |
* 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-deferred arrangements, such as 401(k) plans or individual retirement accounts. After-tax returns are shown for Institutional Class Shares only and after-tax returns for classes other than Institutional Class will vary from returns shown for Institutional Class. |
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| Performance Table One Class of after Tax Shown [Text] | After-tax returns are shown for Institutional Class Shares only and after-tax returns for classes other than Institutional Class will vary from returns shown for Institutional Class. | ||||||||||||||||||||||||||||
| Index No Deduction for Fees, Expenses, or Taxes [Text] | Reflects No Deductions for Fees, Expenses or Taxes | ||||||||||||||||||||||||||||
| Performance Availability Website Address [Text] | www.riverbridge.com | ||||||||||||||||||||||||||||
| Performance Availability Phone [Text] | 1-888-447-4470 |