v3.26.1
Expense Example, No Redemption - Columbia Real Estate Equity Fund
Dec. 31, 2025
USD ($)
Columbia Real Estate Equity Fund Institutional 2 Class  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 87
Expense Example, No Redemption, 3 Years 293
Expense Example, No Redemption, 5 Years 516
Expense Example, No Redemption, 10 Years 1,157
Columbia Real Estate Equity Fund Institutional 3 Class  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 81
Expense Example, No Redemption, 3 Years 276
Expense Example, No Redemption, 5 Years 488
Expense Example, No Redemption, 10 Years 1,098
Columbia Real Estate Equity Fund Class S  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 96
Expense Example, No Redemption, 3 Years 323
Expense Example, No Redemption, 5 Years 569
Expense Example, No Redemption, 10 Years 1,273
Columbia Real Estate Equity Fund Class A  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 689
Expense Example, No Redemption, 3 Years 953
Expense Example, No Redemption, 5 Years 1,237
Expense Example, No Redemption, 10 Years 2,044
Columbia Real Estate Equity Fund Institutional Class  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 96
Expense Example, No Redemption, 3 Years 323
Expense Example, No Redemption, 5 Years 569
Expense Example, No Redemption, 10 Years $ 1,273