S000054182 [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 |
|
| Sit ESG Growth Fund | Sit ESG Growth Fund - Class I | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 19.65% | 20.21% | 26.67% | (21.00%) | 19.95% | 15.90% | 26.41% | (7.36%) | 23.72% | 3.56% |