S000000879 [Member] Expense Example - Wasatch Ultra Growth Fund |
Sep. 30, 2025
USD ($)
|
|---|---|
| Investor Class shares | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 122 |
| Expense Example, with Redemption, 3 Years | 381 |
| Expense Example, with Redemption, 5 Years | 660 |
| Expense Example, with Redemption, 10 Years | 1,455 |
| Institutional Class Shares | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 107 |
| Expense Example, with Redemption, 3 Years | 340 |
| Expense Example, with Redemption, 5 Years | 593 |
| Expense Example, with Redemption, 10 Years | $ 1,314 |