S000048642 [Member] Expense Example - Sit Small Cap Dividend Growth Fund |
Jun. 30, 2026
USD ($)
|
|---|---|
| Sit Small Cap Dividend Growth Fund - Class I | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | $ 974 |
| Expense Example, with Redemption, 3 Years | 3,040 |
| Expense Example, with Redemption, 5 Years | 5,277 |
| Expense Example, with Redemption, 10 Years | 11,705 |
| Sit Small Cap Dividend Growth Fund - Class S | |
| Prospectus [Line Items] | |
| Expense Example, with Redemption, 1 Year | 123 |
| Expense Example, with Redemption, 3 Years | 383 |
| Expense Example, with Redemption, 5 Years | 663 |
| Expense Example, with Redemption, 10 Years | $ 1,461 |