v3.26.3
S000031375 [Member] Investment Objectives and Goals - S000031375 [Member]
May 31, 2026
Prospectus [Line Items]  
Risk/Return [Heading] Summary of Columbia Select Small Cap Value Fund
Objective [Heading] Investment Objective
Objective, Primary [Text Block]
Columbia Select Small Cap Value Fund (the Fund) seeks to provide shareholders with long-term capital appreciation.