S000000886 [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 Micro Cap Value Fund | INVESTOR CLASS SHARES | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 9.21% | 24.40% | 13.13% | (28.95%) | 26.78% | 40.84% | 29.85% | (8.65%) | 26.41% | 12.42% |