S000000887 [Member] Annual Total Returns |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| Wasatch Small Cap Growth Fund | Investor Class shares | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | (8.80%) | 15.50% | 21.24% | (40.26%) | 8.32% | 54.48% | 40.15% | 3.50% | 21.73% | 4.82% |