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 | 132 Months Ended | |
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Apr. 30, 2025 |
Apr. 30, 2015 |
Apr. 30, 2016 |
Apr. 30, 2017 |
Apr. 30, 2018 |
Apr. 30, 2019 |
Apr. 30, 2020 |
Apr. 30, 2021 |
Apr. 30, 2022 |
Apr. 30, 2023 |
Apr. 30, 2024 |
Apr. 30, 2025 |
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Columbia Short Duration Municipal Bond Fund - Class A | ||||||||||||
Account Value [Line Items] | ||||||||||||
Line Graph and Table Measure Name | Class A (including sales charges) | |||||||||||
Accumulated Value | $ 9,896 | $ 9,969 | $ 9,994 | $ 10,010 | $ 10,249 | $ 10,314 | $ 10,623 | $ 10,231 | $ 10,402 | $ 10,633 | $ 10,958 | |
Columbia Short Duration Municipal Bond Fund - Institutional Class | ||||||||||||
Account Value [Line Items] | ||||||||||||
Line Graph and Table Measure Name | Institutional Class | |||||||||||
Accumulated Value | 10,000 | 10,099 | 10,150 | 10,191 | 10,461 | 10,553 | 10,896 | 10,521 | 10,723 | 10,989 | 11,353 | |
Columbia Short Duration Municipal Bond Fund - Institutional 2 Class | ||||||||||||
Account Value [Line Items] | ||||||||||||
Line Graph and Table Measure Name | Institutional 2 Class | |||||||||||
Accumulated Value | 10,000 | 10,110 | 10,171 | 10,228 | 10,503 | 10,591 | 10,950 | 10,577 | 10,786 | 11,048 | 11,420 | |
Columbia Short Duration Municipal Bond Fund - Institutional 3 Class | ||||||||||||
Account Value [Line Items] | ||||||||||||
Line Graph and Table Measure Name | Institutional 3 Class | |||||||||||
Accumulated Value | 10,000 | 10,099 | 10,152 | 10,194 | 10,484 | 10,576 | 10,940 | 10,573 | 10,787 | 11,065 | 11,429 | |
Columbia Short Duration Municipal Bond Fund - Class S | ||||||||||||
Account Value [Line Items] | ||||||||||||
Line Graph and Table Measure Name | Class S | |||||||||||
Accumulated Value | 10,000 | 10,099 | 10,150 | 10,191 | 10,461 | 10,553 | 10,896 | 10,521 | 10,723 | 10,989 | 11,352 | |
Bloomberg Municipal Bond Index [Member] | ||||||||||||
Account Value [Line Items] | ||||||||||||
Line Graph and Table Measure Name | Bloomberg Municipal Bond Index | |||||||||||
Accumulated Value | 10,000 | 10,529 | 10,545 | 10,709 | 11,368 | 11,614 | 12,513 | 11,527 | 11,858 | 12,105 | 12,306 | |
Bloomberg 1-5 Year Municipal Bond Index [Member] | ||||||||||||
Account Value [Line Items] | ||||||||||||
Line Graph and Table Measure Name | Bloomberg 1-5 Year Municipal Bond Index | |||||||||||
Accumulated Value | $ 10,000 | $ 10,180 | $ 10,245 | $ 10,238 | $ 10,576 | $ 10,786 | $ 11,156 | $ 10,687 | $ 10,909 | $ 11,135 | $ 11,500 |