v3.25.4
Expense Example
Jan. 28, 2026
USD ($)
INTERNATIONAL EQUITY FUND - Class F Prospectus | SIT INTERNATIONAL EQUITY FUND | SIT INTERNATIONAL EQUITY FUND - CLASS F, effective 1-31-2017 (formerly Class A)  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 114
Expense Example, with Redemption, 3 Years 356
Expense Example, with Redemption, 5 Years 617
Expense Example, with Redemption, 10 Years 1,363
EMERGING MARKETS EQUITY FUND - Class F Prospectus | SIT EMERGING MARKETS EQUITY FUND | SIT EMERGING MARKETS EQUITY FUND - CLASS F, effective 1-31-2017 (formerly Class A)  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 145
Expense Example, with Redemption, 3 Years 449
Expense Example, with Redemption, 5 Years 776
Expense Example, with Redemption, 10 Years 1,702
INTERNATIONAL FIXED INCOME FUND - Class F Prospectus | SIT INTERNATIONAL FIXED INCOME FUND | SIT INTERNATIONAL FIXED INCOME FUND - CLASS F, effective 1-31-2017 (formerly Class A)  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 106
Expense Example, with Redemption, 3 Years 331
Expense Example, with Redemption, 5 Years 574
Expense Example, with Redemption, 10 Years 1,271
EMERGING MARKETS DEBT FUND - Class F Prospectus | SIT EMERGING MARKETS DEBT FUND | SIT EMERGING MARKETS DEBT FUND - CLASS F, effective 1-31-2017 (formerly Class A)  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 135
Expense Example, with Redemption, 3 Years 421
Expense Example, with Redemption, 5 Years 729
Expense Example, with Redemption, 10 Years 1,601
INTERNATIONAL EQUITY FUND - Class I Prospectus | SIT INTERNATIONAL EQUITY FUND | SIT INTERNATIONAL EQUITY FUND - CLASS I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 139
Expense Example, with Redemption, 3 Years 434
Expense Example, with Redemption, 5 Years 750
Expense Example, with Redemption, 10 Years 1,646
INTERNATIONAL EQUITY FUND - Class Y Prospectus | SIT INTERNATIONAL EQUITY FUND | Class Y  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 89
Expense Example, with Redemption, 3 Years 278
Expense Example, with Redemption, 5 Years 482
Expense Example, with Redemption, 10 Years 1,073
EMERGING MARKETS EQUITY FUND - Class Y Prospectus | SIT EMERGING MARKETS EQUITY FUND | Class Y  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 119
Expense Example, with Redemption, 3 Years 372
Expense Example, with Redemption, 5 Years 644
Expense Example, with Redemption, 10 Years 1,420
INTERNATIONAL FIXED INCOME FUND - Class Y Prospectus | SIT INTERNATIONAL FIXED INCOME FUND | Class Y  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 81
Expense Example, with Redemption, 3 Years 252
Expense Example, with Redemption, 5 Years 439
Expense Example, with Redemption, 10 Years 978
EMERGING MARKETS DEBT FUND - Class Y Prospectus | SIT EMERGING MARKETS DEBT FUND | Class Y  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 110
Expense Example, with Redemption, 3 Years 343
Expense Example, with Redemption, 5 Years 595
Expense Example, with Redemption, 10 Years $ 1,317