S000088934 [Member] Performance Management - Wasatch International Value Fund |
Sep. 30, 2025 |
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| Prospectus [Line Items] | |||||
| Bar Chart and Performance Table [Heading] | Historical Performance | ||||
| Performance Narrative [Text Block] | The following tables provide information on how the Fund has performed over the last calendar year and since inception. Performance in this section represents past performance (before and after taxes) which is not necessarily indicative of how the Fund will perform in the future. Performance for the Fund’s Investor Class shares would be substantially similar to that for Institutional Class shares because the shares are invested in the same portfolio of securities and would differ only to the extent that Institutional Class shares have different expenses. The bar chart below is intended to provide you with an indication of the risks of investing in the Fund by showing the Fund’s performance, as represented by the Investor Class of the Fund. The table below is designed to help you evaluate your risk tolerance by showing the best and worst quarterly performance of the Fund’s Investor Class for the calendar year shown in the bar chart. The average annual total returns table below allows you to compare the performance of the Fund’s Investor and Institutional Class shares over the time periods indicated to that of a broad-based market index. After-tax returns are shown for the Investor Class only. After-tax returns for the Institutional Class will vary. Performance information is updated regularly and is available on the Fund’s website wasatchglobal.com.
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| Performance Past Does Not Indicate Future [Text] | Performance in this section represents past performance (before and after taxes) which is not necessarily indicative of how the Fund will perform in the future. | ||||
| Performance Information Illustrates Variability of Returns [Text] | The bar chart below is intended to provide you with an indication of the risks of investing in the Fund by showing the Fund’s performance, as represented by the Investor Class of the Fund.The average annual total returns table below allows you to compare the performance of the Fund’s Investor and Institutional Class shares over the time periods indicated to that of a broad-based market index. | ||||
| Bar Chart [Heading] | Wasatch International Value Fund — Investor Class Year Total Returns | ||||
| Bar Chart Closing [Text Block] | Best and Worst Quarterly Returns
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| Performance Table Heading | Average Annual Total Returns(as of 12/31/25) | ||||
| Performance Table Narrative | 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 the investor’s tax situation and may differ from those shown. After-tax returns are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts.
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| 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 are not relevant to investors who hold Fund shares through tax-deferred arrangements such as 401(k) plans or individual retirement accounts. | ||||
| Performance Table One Class of after Tax Shown [Text] | After-tax returns are shown for the Investor Class only.After-tax returnsforthe Institutional Class will vary. | ||||
| Performance Availability Website Address [Text] | wasatchglobal.com | ||||
| Investor Class | |||||
| Prospectus [Line Items] | |||||
| Highest Quarterly Return, Label [Optional Text] | Best | ||||
| Highest Quarterly Return | 14.46% | ||||
| Highest Quarterly Return, Date | Mar. 31, 2025 | ||||
| Lowest Quarterly Return, Label [Optional Text] | Worst | ||||
| Lowest Quarterly Return | 7.97% | ||||
| Lowest Quarterly Return, Date | Dec. 31, 2025 |