v3.25.2
Shareholder Report, Average Annual Return (Details)
 12 Months Ended 60 Months Ended 120 Months Ended
May 31, 2025
May 31, 2025
May 31, 2025
Columbia Select Large Cap Value Fund - Class A [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Class A (including sales charges)    
Average Annual Return, Percent 0.92% 13.45% 8.78%
Columbia Select Large Cap Value Fund - Class C [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Class C (including sales charges)    
Average Annual Return, Percent 5.28% 13.94% 8.60%
Columbia Select Large Cap Value Fund - Institutional Class      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Institutional Class    
Average Annual Return, Percent 7.36% 15.09% 9.70%
Columbia Select Large Cap Value Fund - Institutional 2 Class [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Institutional 2 Class    
Average Annual Return, Percent 7.47% 15.17% 9.77%
Columbia Select Large Cap Value Fund - Institutional 3 Class [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Institutional 3 Class    
Average Annual Return, Percent 7.50% 15.22% 9.83%
Columbia Select Large Cap Value Fund - Class R [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Class R    
Average Annual Return, Percent 6.84% 14.53% 9.16%
Columbia Select Large Cap Value Fund - Class S [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Class S    
Average Annual Return, Percent [1] 7.27% 14.84% 9.44%
Without Sales Load [Member] | Columbia Select Large Cap Value Fund - Class A [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Class A (excluding sales charges)    
Average Annual Return, Percent 7.08% 14.80% 9.42%
Without Sales Load [Member] | Columbia Select Large Cap Value Fund - Class C [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Class C (excluding sales charges)    
Average Annual Return, Percent 6.28% 13.94% 8.60%
Standard & Poor's 500 Index [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name S&P 500® Index    
Average Annual Return, Percent 13.52% 15.94% 12.86%
Russell 1000® Value Index [Member]      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Russell 1000® Value Index    
Average Annual Return, Percent 8.91% 13.02% 8.60%
[1] The returns shown for periods prior to October 2, 2024 (including Since Fund Inception returns, if shown) include the returns of Class A. These returns are adjusted to reflect any higher class-related operating expenses of the newer share classes, as applicable. Please visit columbiathreadneedleus.com/investment-products/mutual-funds/appended-performance for more information.