Form N-CSR Cover
Form N-CSR Cover | 12 Months Ended |
May 31, 2024 | |
Shareholder Report [Line Items] | |
Document Type | N-CSR |
Amendment Flag | false |
Registrant Name | Columbia Funds Series Trust I |
Entity Central Index Key | 0000773757 |
Entity Investment Company Type | N-1A |
Document Period End Date | May 31, 2024 |
Shareholder Report
Shareholder Report | 12 Months Ended |
May 31, 2024 USD ($) Holdings | |
Shareholder Report [Line Items] | |
Document Type | N-CSR |
Amendment Flag | false |
Registrant Name | Columbia Funds Series Trust I |
Entity Central Index Key | 0000773757 |
Entity Investment Company Type | N-1A |
Document Period End Date | May 31, 2024 |
Columbia High Yield Municipal Fund Class A | |
Shareholder Report [Line Items] | |
Fund Name | Columbia High Yield Municipal Fund |
Class Name | Class A |
Trading Symbol | LHIAX |
Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about Columbia High Yield Municipal Fund (the Fund) for the period of June 1, 2023 to May 31, 2024. |
Shareholder Report Annual or Semi-Annual | annual shareholder report |
Additional Information [Text Block] | You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature |
Additional Information Phone Number | 1-800-345-6611 |
Additional Information Website | columbiathreadneedleus.com/resources/literature |
Expenses [Text Block] | What were the Fund costs for the reporting period? (Based on a hypothetical $10,000 investment) Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class A $ 0.82 % |
Expenses Paid, Amount | $ 85 |
Expense Ratio, Percent | 0.82% |
Factors Affecting Performance [Text Block] | Management's Discussion of Fund Performance Top Performance Contributors Security selection Allocations Treasury futures Top Performance Detractors Security selection Allocations |
Performance Past Does Not Indicate Future [Text] | Past performance does not guarantee future performance. |
Line Graph [Table Text Block] | |
Average Annual Return [Table Text Block] | Average Annual Total Returns (%) 1 year 5 years 10 years Class A (excluding sales charges) (a) 6.27 0.34 2.55 Class A (including sales charges) (a) 3.11 (0.27 ) 2.24 Blended Benchmark - 80% Bloomberg High Yield Municipal Bond Index, 20% Bloomberg Municipal Bond Index 7.07 2.29 3.84 Bloomberg High Yield Municipal Bond Index 8.19 2.61 4.22 Bloomberg Municipal Bond Index 2.67 0.93 2.25 (a) The Fund’s performance prior to November 2021 reflects returns achieved by the Investment Manager according to different principal investment strategies. If the Fund’s current management and strategies had been in place for the prior periods, results shown |
No Deduction of Taxes [Text Block] | Performance does not reflect the deduction of taxes that a shareholder may pay on fund distributions or on the redemptions of fund shares. |
Updated Performance Information Location [Text Block] | Visit columbiathreadneedleus.com/investment-products/mutual-funds |
Net Assets | $ 475,919,699 |
Holdings Count | Holdings | 260 |
Advisory Fees Paid, Amount | $ 2,681,622 |
Investment Company, Portfolio Turnover | 16% |
Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets $ Total number of portfolio holdings 260 Management services fees $ Portfolio turnover for the reporting period 16% |
Holdings [Text Block] | Graphical Representation of Fund The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change. Bond ratings on Fund holdings are divided into categories ranging from highest to lowest credit quality, determined by using the middle rating of Moody’s, S&P and Fitch, after dropping the highest and lowest available ratings. When ratings are available from only two rati ng a designated opinions fact Top States/Territories Florida 10.2 Colorado 9.1 Illinois 7.8 Wisconsin 7.1 Puerto Rico 6.2 Texas 6.1 California 5.1 New York 4.9 Iowa 3.4 Ohio 3.1 Asset Categories Credit Quality |
Columbia High Yield Municipal Fund Advisor Class | |
Shareholder Report [Line Items] | |
Fund Name | Columbia High Yield Municipal Fund |
Class Name | Advisor Class |
Trading Symbol | CHIYX |
Annual or Semi-Annual Statement [Text Block] | This annual shareholder report |
Shareholder Report Annual or Semi-Annual | annual shareholder report |
Additional Information [Text Block] | You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature |
Additional Information Phone Number | 1-800-345-6611 |
Additional Information Website | columbiathreadneedleus.com/resources/literature |
Expenses [Text Block] | What were the Fund costs for the reporting period (Based on a hypothetical $10,000 investment) Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Advisor Class $ 0.62 % |
Expenses Paid, Amount | $ 64 |
Expense Ratio, Percent | 0.62% |
Factors Affecting Performance [Text Block] | Management's Discussion of Fund Performance Top Performance Contributors Security selection retirement Allocations Treasury futures Top Performance Detractors Security selection Allocations |
Performance Past Does Not Indicate Future [Text] | Past performance does not guarantee future performance. |
Line Graph [Table Text Block] | |
Average Annual Return [Table Text Block] | Average Annual Total Returns (%) 1 year 5 years 10 years Advisor Class (a) 6.48 0.52 2.76 Blended Benchmark - 80% Bloomberg High Yield Municipal Bond Index, 20% Bloomberg Municipal Bond Index 7.07 2.29 3.84 Bloomberg High Yield Municipal Bond Index 8.19 2.61 4.22 Bloomberg Municipal Bond Index 2.67 0.93 2.25 (a) The Fund’s performance prior to November 2021 reflects returns achieved by the Investment Manager according to different principal investment strategies. If the Fund’s current management and strategies had been in place for the prior periods, results shown may have been different |
No Deduction of Taxes [Text Block] | Performance does not reflect the deduction of taxes that a shareholder may pay on fund distributions or on the redemptions of fund shares. |
Updated Performance Information Location [Text Block] | Visit columbiathreadneedleus.com/investment-products/mutual-funds |
Net Assets | $ 475,919,699 |
Holdings Count | Holdings | 260 |
Advisory Fees Paid, Amount | $ 2,681,622 |
Investment Company, Portfolio Turnover | 16% |
Additional Fund Statistics [Text Block] | Fund net assets $ Total number of portfolio holdings 260 Management services fees $ Portfolio turnover for the reporting period 16% |
Holdings [Text Block] | Graphical Representation of Fund The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change. Bond ratings on Fund holdings are divided into categories ranging from highest to lowest credit quality, determined by using the middle rating of Moody’s, S&P and Fitch, after dropping the highest and lowest available ratings. When ratings are available from only two rating agencies, the lower rating is used. When a rating is available from only one rating agency, that rating is used. If a security is not rated by Moody's, S&P and Fitch, but has a rating by Kroll and/or DBRS, the same methodology is applied to those bonds that would otherwise be not rated. When a bond is not rated by any rating agency, it is designated as “Not rated.” Credit quality ratings assigned by a rating agency are subjecti ve Top States/Territories Florida 10.2 Colorado 9.1 Illinois 7.8 Wisconsin 7.1 Puerto Rico 6.2 Texas 6.1 California 5.1 New York 4.9 Iowa 3.4 Ohio 3.1 Asset Categories Credit Quality |
Columbia High Yield Municipal Fund Class C | |
Shareholder Report [Line Items] | |
Fund Name | Columbia High Yield Municipal Fund |
Class Name | Class C |
Trading Symbol | CHMCX |
Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about Columbia High Yield Municipal Fund (the Fund) for the period of June 1, 2023 to May 31, 2024. |
Shareholder Report Annual or Semi-Annual | annual shareholder report |
Additional Information [Text Block] | You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature |
Additional Information Phone Number | 1-800-345-6611 |
Additional Information Website | columbiathreadneedleus.com/resources/literature |
Expenses [Text Block] | What were the Fund costs for the reporting period? (Based on a hypothetical $10,000 investment) Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Class C $ 146 1.42 % |
Expenses Paid, Amount | $ 146 |
Expense Ratio, Percent | 1.42% |
Factors Affecting Performance [Text Block] | Management's Discussion of Fund Performance Top Performance Contributors Security selection Allocations Treasury futures Top Performance Detractors Security selection Allocations |
Performance Past Does Not Indicate Future [Text] | Past performance does not guarantee future performance. |
Line Graph [Table Text Block] | |
Average Annual Return [Table Text Block] | Average Annual Total Returns (%) 1 year 5 years 10 years Class C (excluding sales charges) (a) 5.64 (0.28 ) 1.91 Class C (including sales charges) (a) 4.64 (0.28 ) 1.91 Blended Benchmark - 80% Bloomberg High Yield Municipal Bond Index, 20% Bloomberg Municipal Bond Index 7.07 2.29 3.84 Bloomberg High Yield Municipal Bond Index 8.19 2.61 4.22 Bloomberg Municipal Bond Index 2.67 0.93 2.25 (a) The Fund’s performance prior to November 2021 reflects returns achieved by the Investment Manager according to different principal investment strategies. If the Fund’s current management and strategies had been in place for the prior periods, results shown may have been different. |
No Deduction of Taxes [Text Block] | Performance does not reflect the deduction of taxes that a shareholder may pay on fund distributions or on the redemptions of fund shares. |
Updated Performance Information Location [Text Block] | Visit columbiathreadneedleus.com/investment-products/mutual-funds |
Net Assets | $ 475,919,699 |
Holdings Count | Holdings | 260 |
Advisory Fees Paid, Amount | $ 2,681,622 |
Investment Company, Portfolio Turnover | 16% |
Additional Fund Statistics [Text Block] | Fund net assets $ Total number of portfolio holdings 260 Management services fees $ Portfolio turnover for the reporting period 16% |
Holdings [Text Block] | Graphical Representation of Fund The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change. Bond ratings on Fund holdings are divided into categories ranging from highest to lowest credit quality, determined by using the middle rating of Moody’s, S&P and Fitch, after dropping the highest and lowest available ratings. When ratings are available from only two rating agencies, the lower rating is used. When a rating is available from only one rating agency, that rating is used. If a security is not rated by Moody's, S&P and Fitch, but has a rating by Kroll and/or DBRS, the same methodology is applied to those bonds that would otherwise be not rated. When a bon d is subjective Top States/Territories Florida 10.2 Colorado 9.1 Illinois 7.8 Wisconsin 7.1 Puerto Rico 6.2 Texas 6.1 California 5.1 New York 4.9 Iowa 3.4 Ohio 3.1 Asset Categories Credit Quality |
Columbia High Yield Municipal Fund Institutional Class | |
Shareholder Report [Line Items] | |
Fund Name | Columbia High Yield Municipal Fund |
Class Name | Institutional Class |
Trading Symbol | SRHMX |
Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about Columbia High Yield Municipal Fund (the Fund) for the period of June 1, 2023 to May 31, 2024. |
Shareholder Report Annual or Semi-Annual | annual shareholder report |
Additional Information [Text Block] | You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature |
Additional Information Phone Number | 1-800-345-6611 |
Additional Information Website | columbiathreadneedleus.com |
Expenses [Text Block] | What were the Fund costs for the reporting period? (Based on a hypothetical $10,000 investment) Class Costs of a $1 0,0 Costs paid as a percentage of a $10,000 investment Institutional Class $ 0.62 % |
Expenses Paid, Amount | $ 64 |
Expense Ratio, Percent | 0.62% |
Factors Affecting Performance [Text Block] | Management's Discussion of Fund Performance Top Performance Contributors Security selection Allocations Treasury futures Top Performance Detractors Security selection Allocations |
Performance Past Does Not Indicate Future [Text] | Past performance does not guarantee future performance. |
Line Graph [Table Text Block] | |
Average Annual Return [Table Text Block] | Average Annual Total Returns (%) 1 year 5 years 10 years Institutional Class (a) 6.49 0.52 2.76 Blended Benchmark - 80% Bloomberg High Yield Municipal Bond Index, 20% Bloomberg Municipal Bond Index 7.07 2.29 3.84 Bloomberg High Yield Municipal Bond Index 8.19 2.61 4.22 Bloomberg Municipal Bond Index 2.67 0.93 2.25 (a) The Fund’s performance prior to November 2021 reflects returns achieved by the Investment Manager according to different principal investment strategies. If the Fund’s current management and strategies had been in place for the prior periods, results shown may have been different. |
No Deduction of Taxes [Text Block] | Performance does not reflect the deduction of taxes that a shareholder may pay on fund distributions or on the redemptions of fund shares. |
Updated Performance Information Location [Text Block] | Visit columbiathreadneedleus.com/investment-products/mutual-funds |
Net Assets | $ 475,919,699 |
Holdings Count | Holdings | 260 |
Advisory Fees Paid, Amount | $ 2,681,622 |
Investment Company, Portfolio Turnover | 16% |
Additional Fund Statistics [Text Block] | Key F Fund net assets $ Total number of portfolio holdings 260 Management services fees $ Portfolio turnover for the reporting period 16% |
Holdings [Text Block] | Graphical Representation of Fund The tables below show the investment makeup of the Fund represented as a percentage of Bond ratings on Fund holdings are divided into categories ranging from highest to lowest credit quality, determined by using the middle rating of Moody’s, S&P and Fitch, after dropping the highest and lowest available ratings. When ratings are available from only two rating agencies, the lower rating is used. When a rating is available from only one rating agency, that rating is used. If a security is not rated by Moody's, S&P and Fitch, but has a rating by Kroll and/or DBRS, the same methodology is applied to those bonds that would otherwise be not rated. When a bond is not rated by any rating agency, it is designated as “Not rated.” Credit quality ratings assigned by a rating agency are subjective opin ion en Top States/Territories Florida 10.2 Colorado 9.1 Illinois 7.8 Wisconsin 7.1 Puerto Rico 6.2 Texas 6.1 California 5.1 New York 4.9 Iowa 3.4 Ohio 3.1 Asset Categories Credit Quality |
Columbia High Yield Municipal Fund Institutional 2 Class | |
Shareholder Report [Line Items] | |
Fund Name | Columbia High Yield Municipal Fund |
Class Name | Institutional 2 Class |
Trading Symbol | CHMYX |
Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about Columbia High Yield Municipal Fund (the Fund) for the period of June 1, 2023 to May 31, 2024. |
Shareholder Report Annual or Semi-Annual | annual shareholder report |
Additional Information [Text Block] | You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature |
Additional Information Phone Number | 1-800-345-6611 |
Additional Information Website | columbiathreadneedleus.com/resources/literature |
Expenses [Text Block] | What were the Fund costs for the reporting period? (Based on a hypothetical $10,000 investment) Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Institutional 2 Class $ 0.60 % |
Expenses Paid, Amount | $ 62 |
Expense Ratio, Percent | 0.60% |
Factors Affecting Performance [Text Block] | Management's Discussion of Fund Performance Top Performance Contributors Security selection Allocations Treasury futures Top Performance Detractors Security selection Allocations |
Performance Past Does Not Indicate Future [Text] | Past performance does not guarantee future performance. |
Line Graph [Table Text Block] | |
Average Annual Return [Table Text Block] | Average Annual Total Returns (%) 1 year 5 years 10 years Institutional 2 Class (a) 6.63 0.57 2.82 Blended Benchmark - 80% Bloomberg High Yield Municipal Bond Index, 20% Bloomberg Municipal Bond Index 7.07 2.29 3.84 Bloomberg High Yield Municipal Bond Index 8.19 2.61 4.22 Bloomberg Municipal Bond Index 2.67 0.93 2.25 (a) The Fund’s performance prior to November 2021 reflects returns achieved by the Investment Manager according to different principal investment strategies. If the Fund’s current management and strategies had been in place for the prior periods, results shown may have been different. |
No Deduction of Taxes [Text Block] | Performance does not reflect the deduction of taxes that a shareholder may pay on fund distributions or on the redemptions of fund shares. |
Updated Performance Information Location [Text Block] | Visit columbiathreadneedleus.com/investment-products/mutual-funds |
Net Assets | $ 475,919,699 |
Holdings Count | Holdings | 260 |
Advisory Fees Paid, Amount | $ 2,681,622 |
Investment Company, Portfolio Turnover | 16% |
Additional Fund Statistics [Text Block] | Key Fund Stat is Fund net assets $ Total number of portfolio holdings 260 Management services fees $ Portfolio turnover for the reporting period 16% |
Holdings [Text Block] | Graphical Representation of Fund The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are excluded from the tables unless otherwise noted. The Fund's portfolio composition is subject to change. using Top States/Territories Florida 10.2 Colorado 9.1 Illinois 7.8 Wisconsin 7.1 Puerto Rico 6.2 Texas 6.1 California 5.1 New York 4.9 Iowa 3.4 Ohio 3.1 Asset Categories Credit Quality |
Columbia High Yield Municipal Fund Institutional 3 Class | |
Shareholder Report [Line Items] | |
Fund Name | Columbia High Yield Municipal Fund |
Class Name | Institutional 3 Class |
Trading Symbol | CHHYX |
Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about Columbia High Yield Municipal Fund (the Fund) for the period of June 1, 2023 to May 31, 2024. |
Shareholder Report Annual or Semi-Annual | annual shareholder report |
Additional Information [Text Block] | You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature |
Additional Information Phone Number | 1-800-345-6611 |
Additional Information Website | columbiathreadneedleus.com/resources/literature |
Expenses [Text Block] | What were the Fund costs for the reporting period? (Based on a hypothetical $10,000 investment) Class Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment Institutional 3 Class $ 0.55 % |
Expenses Paid, Amount | $ 57 |
Expense Ratio, Percent | 0.55% |
Factors Affecting Performance [Text Block] | Management's Discussion of Fund Performance Top Performance Contributors Security selection Allocations Treasury futures Top Performance Detractors Security selection Allocations |
Performance Past Does Not Indicate Future [Text] | Past performance does not guarantee future performance. |
Line Graph [Table Text Block] | |
Average Annual Return [Table Text Block] | Average Annual Total Returns (%) 1 year 5 years 10 years Institutional 3 Class (a),(b) 6.67 0.63 2.83 Blended Benchmark - 80% Bloomberg High Yield Municipal Bond Index, 20% Bloomberg Municipal Bond Index 7.07 2.29 3.84 Bloomberg High Yield Municipal Bond Index 8.19 2.61 4.22 Bloomberg Municipal Bond Index 2.67 0.93 2.25 (a) The returns shown for periods prior to March 1, 2017 (including returns for the Life of the Fund, if shown, which are since Fund inception) include the returns of Institutional Class. These returns are adjusted to reflect any higher class-related operating expenses of the newer share classes, as applicable. Please visit columbiathreadneedleus.com/investor/investment-products/mutual-funds/appended-performance (b) The Fund’s performance prior to November 2021 reflects returns achieved by the Investment Manager according to different principal investment strategies. If the Fund’s current management and strategies had been in place for the prior periods, results shown may have been different. |
No Deduction of Taxes [Text Block] | Performance does not reflect the deduction of taxes that a shareholder may pay on fund distributions or on the redemptions of fund shares. |
Updated Performance Information Location [Text Block] | Visit columbiathreadneedleus.com/investment-products/mutual-funds |
Net Assets | $ 475,919,699 |
Holdings Count | Holdings | 260 |
Advisory Fees Paid, Amount | $ 2,681,622 |
Investment Company, Portfolio Turnover | 16% |
Additional Fund Statistics [Text Block] | Key Fun d Fund net assets $ Total number of portfolio holdings 260 Management services fees $ Portfolio turnover for the reporting period 16% |
Holdings [Text Block] | Graphical Representation of Fund The tables below show the investment makeup of the Fund represented as a percentage of Fund net assets. Derivatives are Bond ratings on Fund holdings are divided into categories ranging from highest to lowest credit quality, determined by using the middle rating of Moody’s, S&P and Fitch, after dropping the highest and lowest available ratings. When ratings are available from only two rating agencies, the lower rating is used. When a rating is available from only one rating agency, that rating is used. If a security is not rated by Moody's, S&P and Fitch, but has a rating by Kroll and/or DBRS, the same methodology is applied to those bonds that would otherwise be not rated. When a bond is not rated by any rating agency, it is designated as “Not rated.” Credit quality ratings assigned by a rating agency are subjective opin ion Top States/Territories Florida 10.2 Colorado 9.1 Illinois 7.8 Wisconsin 7.1 Puerto Rico 6.2 Texas 6.1 California 5.1 New York 4.9 Iowa 3.4 Ohio 3.1 Asset Categories Credit Quality |
Shareholder Report, Line Graph
Shareholder Report, Line Graph (Details) - USD ($) | 12 Months Ended | 60 Months Ended | 120 Months Ended | ||||||||||
May 31, 2024 | May 31, 2024 | May 31, 2024 | May 31, 2023 | May 31, 2022 | May 31, 2021 | May 31, 2020 | May 31, 2019 | May 31, 2018 | May 31, 2017 | May 31, 2016 | May 31, 2015 | ||
Columbia High Yield Municipal Fund Class A | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Class A (including sales charges) | ||||||||||||
Account Value | $ 12,475 | $ 12,475 | $ 12,475 | $ 11,738 | $ 12,394 | $ 13,583 | $ 11,848 | $ 12,267 | $ 11,527 | $ 11,118 | $ 10,921 | $ 10,276 | |
Average Annual Return, Percent | [1] | 3.11% | (0.27%) | 2.24% | |||||||||
Columbia High Yield Municipal Fund Class A | Without Sales Load [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Class A (excluding sales charges) | ||||||||||||
Average Annual Return, Percent | [1] | 6.27% | 0.34% | 2.55% | |||||||||
Columbia High Yield Municipal Fund Advisor Class | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Advisor Class (a) | ||||||||||||
Account Value | $ 13,125 | $ 13,125 | $ 13,125 | 12,326 | 13,001 | 14,203 | 12,366 | 12,789 | 11,982 | 11,534 | 11,317 | 10,618 | |
Average Annual Return, Percent | [1] | 6.48% | 0.52% | 2.76% | |||||||||
Columbia High Yield Municipal Fund Class C | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Class C (including sales charges) (a) | ||||||||||||
Account Value | $ 12,080 | $ 12,080 | $ 12,080 | 11,436 | 12,147 | 13,393 | 11,754 | 12,249 | 11,585 | 11,246 | 11,119 | 10,531 | |
Average Annual Return, Percent | [1] | 4.64% | (0.28%) | 1.91% | |||||||||
Columbia High Yield Municipal Fund Class C | Without Sales Load [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Class C (excluding sales charges) (a) | ||||||||||||
Average Annual Return, Percent | [1] | 5.64% | (0.28%) | 1.91% | |||||||||
Columbia High Yield Municipal Fund Institutional Class | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Institutional Class (a) | ||||||||||||
Account Value | $ 13,123 | $ 13,123 | $ 13,123 | 12,324 | 13,000 | 14,217 | 12,366 | 12,789 | 11,982 | 11,534 | 11,307 | 10,619 | |
Average Annual Return, Percent | [1] | 6.49% | 0.52% | 2.76% | |||||||||
Columbia High Yield Municipal Fund Institutional 2 Class | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Institutional 2 Class | ||||||||||||
Account Value | $ 13,200 | $ 13,200 | $ 13,200 | 12,380 | 13,058 | 14,276 | 12,411 | 12,832 | 12,017 | 11,563 | 11,336 | 10,627 | |
Average Annual Return, Percent | [1] | 6.63% | 0.57% | 2.82% | |||||||||
Columbia High Yield Municipal Fund Institutional 3 Class | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Institutional 3 Class | ||||||||||||
Account Value | $ 13,223 | $ 13,223 | $ 13,223 | 12,395 | 13,063 | 14,270 | 12,404 | 12,815 | 11,996 | 11,536 | 11,307 | 10,619 | |
Average Annual Return, Percent | [1],[2] | 6.67% | 0.63% | 2.83% | |||||||||
Blended Benchmark [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Blended Benchmark - 80% Bloomberg High Yield Municipal Bond Index, 20% Bloomberg Municipal Bond Index | ||||||||||||
Account Value | $ 14,573 | $ 14,573 | $ 14,573 | 13,611 | 13,836 | 14,778 | 12,879 | 13,014 | 12,107 | 11,497 | 11,057 | 10,535 | |
Average Annual Return, Percent | 7.07% | 2.29% | 3.84% | ||||||||||
Bloomberg High Yield Municipal Bond Index [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Bloomberg High Yield Municipal Bond Index | ||||||||||||
Account Value | $ 15,121 | $ 15,121 | $ 15,121 | 13,977 | 14,286 | 15,242 | 12,986 | 13,294 | 12,337 | 11,597 | 11,087 | 10,589 | |
Average Annual Return, Percent | 8.19% | 2.61% | 4.22% | ||||||||||
Bloomberg Municipal Bond Index [Member] | |||||||||||||
Account Value [Line Items] | |||||||||||||
Line Graph and Table Measure Name | Bloomberg Municipal Bond Index | ||||||||||||
Account Value | $ 12,488 | $ 12,488 | $ 12,488 | $ 12,163 | $ 12,104 | $ 12,986 | $ 12,399 | $ 11,925 | $ 11,207 | $ 11,083 | $ 10,924 | $ 10,318 | |
Average Annual Return, Percent | 2.67% | 0.93% | 2.25% | ||||||||||
[1]The Fund’s performance prior to November 2021 reflects returns achieved by the Investment Manager according to different principal investment strategies. If the Fund’s current management and strategies had been in place for the prior periods, results shown may have been different.[2]The returns shown for periods prior to March 1, 2017 (including returns for the Life of the Fund, if shown, which are since Fund inception) include the returns of Institutional Class. These returns are adjusted to reflect any higher class-related operating expenses of the newer share classes, as applicable. Please visit columbiathreadneedleus.com/investor/investment-products/mutual-funds/appended-performance for more information. |
Shareholder Report, Holdings (D
Shareholder Report, Holdings (Details) | May 31, 2024 |
Columbia High Yield Municipal Fund Class A | Fitch, AAA Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 0.40% |
Columbia High Yield Municipal Fund Class A | Fitch, AA Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 2.60% |
Columbia High Yield Municipal Fund Class A | Fitch, A Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 8.80% |
Columbia High Yield Municipal Fund Class A | Fitch, BBB Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 13.10% |
Columbia High Yield Municipal Fund Class A | Fitch, BB Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 12.90% |
Columbia High Yield Municipal Fund Class A | Fitch, B Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 1.30% |
Columbia High Yield Municipal Fund Class A | Fitch, CCC Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 0.40% |
Columbia High Yield Municipal Fund Class A | Not Rated [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 59% |
Columbia High Yield Municipal Fund Class A | Florida | |
Holdings [Line Items] | |
Percent of Net Asset Value | 10.20% |
Columbia High Yield Municipal Fund Class A | Colorado | |
Holdings [Line Items] | |
Percent of Net Asset Value | 9.10% |
Columbia High Yield Municipal Fund Class A | Illinois | |
Holdings [Line Items] | |
Percent of Net Asset Value | 7.80% |
Columbia High Yield Municipal Fund Class A | Wisconsin | |
Holdings [Line Items] | |
Percent of Net Asset Value | 7.10% |
Columbia High Yield Municipal Fund Class A | Puerto Rico | |
Holdings [Line Items] | |
Percent of Net Asset Value | 6.20% |
Columbia High Yield Municipal Fund Class A | Texas | |
Holdings [Line Items] | |
Percent of Net Asset Value | 6.10% |
Columbia High Yield Municipal Fund Class A | California | |
Holdings [Line Items] | |
Percent of Net Asset Value | 5.10% |
Columbia High Yield Municipal Fund Class A | New York | |
Holdings [Line Items] | |
Percent of Net Asset Value | 4.90% |
Columbia High Yield Municipal Fund Class A | Iowa | |
Holdings [Line Items] | |
Percent of Net Asset Value | 3.40% |
Columbia High Yield Municipal Fund Class A | Ohio | |
Holdings [Line Items] | |
Percent of Net Asset Value | 3.10% |
Columbia High Yield Municipal Fund Class A | Municipal Bonds [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 98.10% |
Columbia High Yield Municipal Fund Class A | Other Bonds [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 0.60% |
Columbia High Yield Municipal Fund Advisor Class | Fitch, AAA Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 0.40% |
Columbia High Yield Municipal Fund Advisor Class | Fitch, AA Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 2.60% |
Columbia High Yield Municipal Fund Advisor Class | Fitch, A Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 8.80% |
Columbia High Yield Municipal Fund Advisor Class | Fitch, BBB Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 13.10% |
Columbia High Yield Municipal Fund Advisor Class | Fitch, BB Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 12.90% |
Columbia High Yield Municipal Fund Advisor Class | Fitch, B Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 1.30% |
Columbia High Yield Municipal Fund Advisor Class | Fitch, CCC Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 0.40% |
Columbia High Yield Municipal Fund Advisor Class | Not Rated [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 59% |
Columbia High Yield Municipal Fund Advisor Class | Florida | |
Holdings [Line Items] | |
Percent of Net Asset Value | 10.20% |
Columbia High Yield Municipal Fund Advisor Class | Colorado | |
Holdings [Line Items] | |
Percent of Net Asset Value | 9.10% |
Columbia High Yield Municipal Fund Advisor Class | Illinois | |
Holdings [Line Items] | |
Percent of Net Asset Value | 7.80% |
Columbia High Yield Municipal Fund Advisor Class | Wisconsin | |
Holdings [Line Items] | |
Percent of Net Asset Value | 7.10% |
Columbia High Yield Municipal Fund Advisor Class | Puerto Rico | |
Holdings [Line Items] | |
Percent of Net Asset Value | 6.20% |
Columbia High Yield Municipal Fund Advisor Class | Texas | |
Holdings [Line Items] | |
Percent of Net Asset Value | 6.10% |
Columbia High Yield Municipal Fund Advisor Class | California | |
Holdings [Line Items] | |
Percent of Net Asset Value | 5.10% |
Columbia High Yield Municipal Fund Advisor Class | New York | |
Holdings [Line Items] | |
Percent of Net Asset Value | 4.90% |
Columbia High Yield Municipal Fund Advisor Class | Iowa | |
Holdings [Line Items] | |
Percent of Net Asset Value | 3.40% |
Columbia High Yield Municipal Fund Advisor Class | Ohio | |
Holdings [Line Items] | |
Percent of Net Asset Value | 3.10% |
Columbia High Yield Municipal Fund Advisor Class | Municipal Bonds [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 98.10% |
Columbia High Yield Municipal Fund Advisor Class | Other Bonds [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 0.60% |
Columbia High Yield Municipal Fund Class C | Fitch, AAA Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 0.40% |
Columbia High Yield Municipal Fund Class C | Fitch, AA Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 2.60% |
Columbia High Yield Municipal Fund Class C | Fitch, A Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 8.80% |
Columbia High Yield Municipal Fund Class C | Fitch, BBB Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 13.10% |
Columbia High Yield Municipal Fund Class C | Fitch, BB Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 12.90% |
Columbia High Yield Municipal Fund Class C | Fitch, B Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 1.30% |
Columbia High Yield Municipal Fund Class C | Fitch, CCC Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 0.40% |
Columbia High Yield Municipal Fund Class C | Not Rated [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 59% |
Columbia High Yield Municipal Fund Class C | Florida | |
Holdings [Line Items] | |
Percent of Net Asset Value | 10.20% |
Columbia High Yield Municipal Fund Class C | Colorado | |
Holdings [Line Items] | |
Percent of Net Asset Value | 9.10% |
Columbia High Yield Municipal Fund Class C | Illinois | |
Holdings [Line Items] | |
Percent of Net Asset Value | 7.80% |
Columbia High Yield Municipal Fund Class C | Wisconsin | |
Holdings [Line Items] | |
Percent of Net Asset Value | 7.10% |
Columbia High Yield Municipal Fund Class C | Puerto Rico | |
Holdings [Line Items] | |
Percent of Net Asset Value | 6.20% |
Columbia High Yield Municipal Fund Class C | Texas | |
Holdings [Line Items] | |
Percent of Net Asset Value | 6.10% |
Columbia High Yield Municipal Fund Class C | California | |
Holdings [Line Items] | |
Percent of Net Asset Value | 5.10% |
Columbia High Yield Municipal Fund Class C | New York | |
Holdings [Line Items] | |
Percent of Net Asset Value | 4.90% |
Columbia High Yield Municipal Fund Class C | Iowa | |
Holdings [Line Items] | |
Percent of Net Asset Value | 3.40% |
Columbia High Yield Municipal Fund Class C | Ohio | |
Holdings [Line Items] | |
Percent of Net Asset Value | 3.10% |
Columbia High Yield Municipal Fund Class C | Municipal Bonds [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 98.10% |
Columbia High Yield Municipal Fund Class C | Other Bonds [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 0.60% |
Columbia High Yield Municipal Fund Institutional Class | Fitch, AAA Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 0.40% |
Columbia High Yield Municipal Fund Institutional Class | Fitch, AA Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 2.60% |
Columbia High Yield Municipal Fund Institutional Class | Fitch, A Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 8.80% |
Columbia High Yield Municipal Fund Institutional Class | Fitch, BBB Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 13.10% |
Columbia High Yield Municipal Fund Institutional Class | Fitch, BB Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 12.90% |
Columbia High Yield Municipal Fund Institutional Class | Fitch, B Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 1.30% |
Columbia High Yield Municipal Fund Institutional Class | Fitch, CCC Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 0.40% |
Columbia High Yield Municipal Fund Institutional Class | Not Rated [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 59% |
Columbia High Yield Municipal Fund Institutional Class | Florida | |
Holdings [Line Items] | |
Percent of Net Asset Value | 10.20% |
Columbia High Yield Municipal Fund Institutional Class | Colorado | |
Holdings [Line Items] | |
Percent of Net Asset Value | 9.10% |
Columbia High Yield Municipal Fund Institutional Class | Illinois | |
Holdings [Line Items] | |
Percent of Net Asset Value | 7.80% |
Columbia High Yield Municipal Fund Institutional Class | Wisconsin | |
Holdings [Line Items] | |
Percent of Net Asset Value | 7.10% |
Columbia High Yield Municipal Fund Institutional Class | Puerto Rico | |
Holdings [Line Items] | |
Percent of Net Asset Value | 6.20% |
Columbia High Yield Municipal Fund Institutional Class | Texas | |
Holdings [Line Items] | |
Percent of Net Asset Value | 6.10% |
Columbia High Yield Municipal Fund Institutional Class | California | |
Holdings [Line Items] | |
Percent of Net Asset Value | 5.10% |
Columbia High Yield Municipal Fund Institutional Class | New York | |
Holdings [Line Items] | |
Percent of Net Asset Value | 4.90% |
Columbia High Yield Municipal Fund Institutional Class | Iowa | |
Holdings [Line Items] | |
Percent of Net Asset Value | 3.40% |
Columbia High Yield Municipal Fund Institutional Class | Ohio | |
Holdings [Line Items] | |
Percent of Net Asset Value | 3.10% |
Columbia High Yield Municipal Fund Institutional Class | Municipal Bonds [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 98.10% |
Columbia High Yield Municipal Fund Institutional Class | Other Bonds [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 0.60% |
Columbia High Yield Municipal Fund Institutional 2 Class | Fitch, AAA Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 0.40% |
Columbia High Yield Municipal Fund Institutional 2 Class | Fitch, AA Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 2.60% |
Columbia High Yield Municipal Fund Institutional 2 Class | Fitch, A Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 8.80% |
Columbia High Yield Municipal Fund Institutional 2 Class | Fitch, BBB Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 13.10% |
Columbia High Yield Municipal Fund Institutional 2 Class | Fitch, BB Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 12.90% |
Columbia High Yield Municipal Fund Institutional 2 Class | Fitch, B Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 1.30% |
Columbia High Yield Municipal Fund Institutional 2 Class | Fitch, CCC Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 0.40% |
Columbia High Yield Municipal Fund Institutional 2 Class | Not Rated [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 59% |
Columbia High Yield Municipal Fund Institutional 2 Class | Florida | |
Holdings [Line Items] | |
Percent of Net Asset Value | 10.20% |
Columbia High Yield Municipal Fund Institutional 2 Class | Colorado | |
Holdings [Line Items] | |
Percent of Net Asset Value | 9.10% |
Columbia High Yield Municipal Fund Institutional 2 Class | Illinois | |
Holdings [Line Items] | |
Percent of Net Asset Value | 7.80% |
Columbia High Yield Municipal Fund Institutional 2 Class | Wisconsin | |
Holdings [Line Items] | |
Percent of Net Asset Value | 7.10% |
Columbia High Yield Municipal Fund Institutional 2 Class | Puerto Rico | |
Holdings [Line Items] | |
Percent of Net Asset Value | 6.20% |
Columbia High Yield Municipal Fund Institutional 2 Class | Texas | |
Holdings [Line Items] | |
Percent of Net Asset Value | 6.10% |
Columbia High Yield Municipal Fund Institutional 2 Class | California | |
Holdings [Line Items] | |
Percent of Net Asset Value | 5.10% |
Columbia High Yield Municipal Fund Institutional 2 Class | New York | |
Holdings [Line Items] | |
Percent of Net Asset Value | 4.90% |
Columbia High Yield Municipal Fund Institutional 2 Class | Iowa | |
Holdings [Line Items] | |
Percent of Net Asset Value | 3.40% |
Columbia High Yield Municipal Fund Institutional 2 Class | Ohio | |
Holdings [Line Items] | |
Percent of Net Asset Value | 3.10% |
Columbia High Yield Municipal Fund Institutional 2 Class | Municipal Bonds [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 98.10% |
Columbia High Yield Municipal Fund Institutional 2 Class | Other Bonds [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 0.60% |
Columbia High Yield Municipal Fund Institutional 3 Class | Fitch, AAA Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 0.40% |
Columbia High Yield Municipal Fund Institutional 3 Class | Fitch, AA Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 2.60% |
Columbia High Yield Municipal Fund Institutional 3 Class | Fitch, A Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 8.80% |
Columbia High Yield Municipal Fund Institutional 3 Class | Fitch, BBB Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 13.10% |
Columbia High Yield Municipal Fund Institutional 3 Class | Fitch, BB Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 12.90% |
Columbia High Yield Municipal Fund Institutional 3 Class | Fitch, B Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 1.30% |
Columbia High Yield Municipal Fund Institutional 3 Class | Fitch, CCC Rating [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 0.40% |
Columbia High Yield Municipal Fund Institutional 3 Class | Not Rated [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 59% |
Columbia High Yield Municipal Fund Institutional 3 Class | Florida | |
Holdings [Line Items] | |
Percent of Net Asset Value | 10.20% |
Columbia High Yield Municipal Fund Institutional 3 Class | Colorado | |
Holdings [Line Items] | |
Percent of Net Asset Value | 9.10% |
Columbia High Yield Municipal Fund Institutional 3 Class | Illinois | |
Holdings [Line Items] | |
Percent of Net Asset Value | 7.80% |
Columbia High Yield Municipal Fund Institutional 3 Class | Wisconsin | |
Holdings [Line Items] | |
Percent of Net Asset Value | 7.10% |
Columbia High Yield Municipal Fund Institutional 3 Class | Puerto Rico | |
Holdings [Line Items] | |
Percent of Net Asset Value | 6.20% |
Columbia High Yield Municipal Fund Institutional 3 Class | Texas | |
Holdings [Line Items] | |
Percent of Net Asset Value | 6.10% |
Columbia High Yield Municipal Fund Institutional 3 Class | California | |
Holdings [Line Items] | |
Percent of Net Asset Value | 5.10% |
Columbia High Yield Municipal Fund Institutional 3 Class | New York | |
Holdings [Line Items] | |
Percent of Net Asset Value | 4.90% |
Columbia High Yield Municipal Fund Institutional 3 Class | Iowa | |
Holdings [Line Items] | |
Percent of Net Asset Value | 3.40% |
Columbia High Yield Municipal Fund Institutional 3 Class | Ohio | |
Holdings [Line Items] | |
Percent of Net Asset Value | 3.10% |
Columbia High Yield Municipal Fund Institutional 3 Class | Municipal Bonds [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 98.10% |
Columbia High Yield Municipal Fund Institutional 3 Class | Other Bonds [Member] | |
Holdings [Line Items] | |
Percent of Net Asset Value | 0.60% |