Shareholder Fees - SIT U S GOVERNMENT SECURITIES FUND INC |
Mar. 31, 2025
USD ($)
|
|---|---|
| Sit U.S. Government Securities Fund - Class S | |
| Prospectus [Line Items] | |
| Shareholder Fee, Other | $ 0 |
| Sit U.S. Government Securities Fund - Class Y | |
| Prospectus [Line Items] | |
| Shareholder Fee, Other | $ 0 |