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