XML 45 R3.htm IDEA: XBRL DOCUMENT v3.24.4
Shareholder Report, Line Graph (Details) - USD ($)
12 Months Ended
Oct. 31, 2024
Oct. 31, 2023
Oct. 31, 2022
Oct. 31, 2021
Oct. 31, 2020
Oct. 31, 2019
Oct. 31, 2018
Oct. 31, 2017
Oct. 31, 2016
Oct. 31, 2015
Oct. 31, 2014
Columbia Intermediate Duration Municipal Bond Fund - Class A                      
Account Value [Line Items]                      
Line Graph and Table Measure Name Class A (including sales charges)                    
Account Value $ 11,590 $ 10,724 $ 10,478 $ 11,612 $ 11,316 $ 11,055 $ 10,242 $ 10,364 $ 10,222 $ 9,898 $ 9,704
Columbia Intermediate Duration Municipal Bond Fund - Advisor Class                      
Account Value [Line Items]                      
Line Graph and Table Measure Name Advisor Class                    
Account Value $ 12,183 11,252 10,971 12,122 11,791 11,507 10,639 10,734 10,576 10,211 10,000
Columbia Intermediate Duration Municipal Bond Fund - Class C                      
Account Value [Line Items]                      
Line Graph and Table Measure Name Class C (including sales charges)                    
Account Value $ 11,217 10,443 10,264 11,430 11,207 11,019 10,285 10,465 10,398 10,124 10,000
Columbia Intermediate Duration Municipal Bond Fund - Institutional Class                      
Account Value [Line Items]                      
Line Graph and Table Measure Name Institutional Class                    
Account Value $ 12,186 11,254 10,973 12,123 11,791 11,507 10,640 10,735 10,576 10,220 10,000
Columbia Intermediate Duration Municipal Bond Fund - Institutional 2 Class                      
Account Value [Line Items]                      
Line Graph and Table Measure Name Institutional 2 Class                    
Account Value $ 12,275 11,328 11,036 12,199 11,846 11,553 10,674 10,773 10,596 10,220 10,000
Columbia Intermediate Duration Municipal Bond Fund - Institutional 3 Class                      
Account Value [Line Items]                      
Line Graph and Table Measure Name Institutional 3 Class                    
Account Value $ 12,282 11,330 11,033 12,186 11,840 11,541 10,659 10,741 10,576 10,220 10,000
Columbia Intermediate Duration Municipal Bond Fund - Class S                      
Account Value [Line Items]                      
Line Graph and Table Measure Name Class S                    
Account Value $ 12,185 11,254 10,973 12,123 11,791 11,507 10,640 10,735 10,576 10,220 10,000
Bloomberg Municipal Bond Index [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name Bloomberg Municipal Bond Index                    
Account Value $ 12,548 11,439 11,144 12,661 12,336 11,908 10,883 10,939 10,704 10,287 10,000
Bloomberg 3-15 Year Blend Municipal Bond Index [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name Bloomberg 3-15 Year Blend Municipal Bond Index                    
Account Value $ 12,358 $ 11,458 $ 11,179 $ 12,369 $ 12,135 $ 11,686 $ 10,757 $ 10,829 $ 10,611 $ 10,264 $ 10,000