v3.25.2
Shareholder Report, Line Graph (Details) - USD ($)
 12 Months Ended 24 Months Ended 36 Months Ended 48 Months Ended 60 Months Ended 72 Months Ended 84 Months Ended 96 Months Ended 108 Months Ended 120 Months Ended
May 31, 2015
May 31, 2025
May 31, 2016
May 31, 2017
May 31, 2018
May 31, 2019
May 31, 2020
May 31, 2021
May 31, 2022
May 31, 2023
May 31, 2024
May 31, 2025
Columbia Select Large Cap Value Fund - Class A [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   Class A (including sales charges)                    
Accumulated Value $ 9,427   $ 9,112 $ 11,013 $ 12,378 $ 11,749 $ 11,633 $ 18,530 $ 18,780 $ 17,656 $ 21,659 $ 23,194
Columbia Select Large Cap Value Fund - Class C [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   Class C (including sales charges)                    
Accumulated Value 10,000   9,588 11,507 12,835 12,090 11,887 18,785 18,895 17,633 21,473 22,822
Columbia Select Large Cap Value Fund - Institutional Class                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   Institutional Class                    
Accumulated Value 10,000   9,689 11,743 13,229 12,585 12,496 19,953 20,271 19,110 23,503 25,233
Columbia Select Large Cap Value Fund - Institutional 2 Class [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   Institutional 2 Class                    
Accumulated Value 10,000   9,699 11,767 13,260 12,624 12,540 20,032 20,363 19,208 23,641 25,407
Columbia Select Large Cap Value Fund - Institutional 3 Class [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   Institutional 3 Class                    
Accumulated Value 10,000   9,704 11,777 13,285 12,653 12,577 20,097 20,438 19,292 23,755 25,536
Columbia Select Large Cap Value Fund - Class R [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   Class R                    
Accumulated Value 10,000   9,639 11,626 13,033 12,339 12,185 19,371 19,586 18,367 22,475 24,014
Columbia Select Large Cap Value Fund - Class S [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   Class S                    
Accumulated Value 10,000   9,666 11,683 13,131 12,463 12,341 19,657 19,922 18,730 22,977 24,647
Standard & Poor's 500 Index [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   S&P 500® Index                    
Accumulated Value 10,000   10,172 11,948 13,667 14,184 16,005 22,458 22,391 23,045 29,540 33,535
Russell 1000® Value Index [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   Russell 1000® Value Index                    
Accumulated Value $ 10,000   $ 9,994 $ 11,459 $ 12,404 $ 12,584 $ 12,377 $ 17,871 $ 18,037 $ 17,217 $ 20,955 $ 22,822