v3.26.3
S000003463 [Member] Investment Objectives and Goals - Sit Developing Markets Growth Fund
Jun. 30, 2026
Prospectus [Line Items]  
Risk/Return [Heading] SIT DEVELOPING MARKETS GROWTH FUND
Objective [Heading] INVESTMENT OBJECTIVE
Objective, Primary [Text Block]
Sit Developing Markets Growth Fund (the “Fund”) seeks to maximize long-term capital appreciation.