v3.25.2
S000031375 [Member] Expense Example, No Redemption - Columbia Select Small Cap Value Fund
May 31, 2025
USD ($)
Columbia Select Small Cap Value Fund Institutional 3 Class  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 88
Expense Example, No Redemption, 3 Years 287
Expense Example, No Redemption, 5 Years 503
Expense Example, No Redemption, 10 Years 1,126
Columbia Select Small Cap Value Fund Class A  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 692
Expense Example, No Redemption, 3 Years 954
Expense Example, No Redemption, 5 Years 1,236
Expense Example, No Redemption, 10 Years 2,036
Columbia Select Small Cap Value Fund Institutional 2 Class  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 93
Expense Example, No Redemption, 3 Years 305
Expense Example, No Redemption, 5 Years 535
Expense Example, No Redemption, 10 Years 1,195
Columbia Select Small Cap Value Fund Institutional Class  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 99
Expense Example, No Redemption, 3 Years 324
Expense Example, No Redemption, 5 Years 567
Expense Example, No Redemption, 10 Years $ 1,265