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 California Intermediate Municipal Bond Fund - Class A | ||||||||||||||||||
Account Value [Line Items] | ||||||||||||||||||
Line Graph and Table Measure Name | Class A (including sales charges) | |||||||||||||||||
Accumulated Value | $ 9,704 | $ 10,166 | $ 10,090 | $ 10,201 | $ 10,711 | $ 10,729 | $ 11,459 | $ 10,662 | $ 10,956 | $ 11,159 | $ 11,279 | |||||||
Columbia California Intermediate Municipal Bond Fund - Institutional Class | ||||||||||||||||||
Account Value [Line Items] | ||||||||||||||||||
Line Graph and Table Measure Name | Institutional Class | |||||||||||||||||
Accumulated Value | 10,000 | 10,512 | 10,459 | 10,600 | 11,159 | 11,194 | 11,998 | 11,189 | 11,527 | 11,782 | 11,926 | |||||||
Columbia California Intermediate Municipal Bond Fund - Institutional 2 Class | ||||||||||||||||||
Account Value [Line Items] | ||||||||||||||||||
Line Graph and Table Measure Name | Institutional 2 Class | |||||||||||||||||
Accumulated Value | 10,000 | 10,523 | 10,478 | 10,627 | 11,195 | 11,236 | 12,051 | 11,241 | 11,582 | 11,828 | 11,973 | |||||||
Columbia California Intermediate Municipal Bond Fund - Institutional 3 Class | ||||||||||||||||||
Account Value [Line Items] | ||||||||||||||||||
Line Graph and Table Measure Name | [1] | Institutional 3 Class | ||||||||||||||||
Accumulated Value | 10,000 | 10,512 | 10,460 | 10,614 | 11,185 | 11,243 | 12,052 | 11,250 | 11,597 | 11,861 | 12,013 | |||||||
Columbia California Intermediate Municipal Bond Fund - Class S | ||||||||||||||||||
Account Value [Line Items] | ||||||||||||||||||
Line Graph and Table Measure Name | [2] | Class S | ||||||||||||||||
Accumulated Value | 10,000 | 10,512 | 10,459 | 10,600 | 11,159 | 11,194 | 11,998 | 11,189 | 11,527 | 11,782 | 11,925 | |||||||
Bloomberg Municipal Bond Index [Member] | ||||||||||||||||||
Account Value [Line Items] | ||||||||||||||||||
Line Graph and Table Measure Name | [3] | 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 California 3-15 Year Blend Municipal Bond Index [Member] | ||||||||||||||||||
Account Value [Line Items] | ||||||||||||||||||
Line Graph and Table Measure Name | Bloomberg California 3-15 Year Blend Municipal Bond Index | |||||||||||||||||
Accumulated Value | $ 10,000 | $ 10,479 | $ 10,464 | $ 10,565 | $ 11,154 | $ 11,448 | $ 12,133 | $ 11,226 | $ 11,675 | $ 11,872 | $ 12,051 | |||||||
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