| Form N-CSR Cover | 6 Months Ended |
| Oct. 31, 2024 | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | Columbia Funds Series Trust |
| Entity Central Index Key | 0001097519 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Oct. 31, 2024 |
| Shareholder Report | 6 Months Ended | |
| Oct. 31, 2024 USD ($) Holding | ||
| Shareholder Report [Line Items] | ||
| Document Type | N-CSRS | |
| Amendment Flag | false | |
| Registrant Name | Columbia Funds Series Trust | |
| Entity Central Index Key | 0001097519 | |
| Entity Investment Company Type | N-1A | |
| Document Period End Date | Oct. 31, 2024 | |
| Columbia California Intermediate Municipal Bond Fund - Class A | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Columbia California Intermediate Municipal Bond Fund | |
| Class Name | Class A | |
| Trading Symbol | NACMX | |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Additional Information [Text Block] | You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature 1-800-345-6611. | |
| 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 Cost of a $10,000 investment Cost paid as a percentage of a $10,000 investment Class A $ 0.73 % (a) (a) Annualized. | |
| Expenses Paid, Amount | $ 37 | |
| Expense Ratio, Percent | 0.73% | [1] |
| Net Assets | $ 318,923,886 | |
| Holdings Count | Holding | 243 | |
| Investment Company, Portfolio Turnover | 9% | |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets $ Total number of portfolio holdings 243 Portfolio turnover for t he re 9% | |
| 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 ch ang 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 Ratings, 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 Ratings, S&P or 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 opinions, no t statem ubject Top Holdings Los Angeles Department of Water & Power 2.1 % Southern California Public Power Authority 2.0 % California State Public Works Board 1.7 % Burbank-Glendale-Pasadena Airport Authority Brick Campaign 1.7 % State of California 1.5 % California State University 1.4 % Los Angeles Unified School District 1.3 % Golden State Tobacco Securitization Corp. 1.3 % Southern California Public Power Authority 1.2 % Los Angeles Department of Water & Power 1.2 % Asset Categories Credit Quality | |
| Credit Quality Explanation [Text Block] | 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 Ratings, 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 Ratings, S&P or 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 opinions, no t statem ubject | |
| Largest Holdings [Text Block] | Top Holdings Los Angeles Department of Water & Power 2.1 % Southern California Public Power Authority 2.0 % California State Public Works Board 1.7 % Burbank-Glendale-Pasadena Airport Authority Brick Campaign 1.7 % State of California 1.5 % California State University 1.4 % Los Angeles Unified School District 1.3 % Golden State Tobacco Securitization Corp. 1.3 % Southern California Public Power Authority 1.2 % Los Angeles Department of Water & Power 1.2 % | |
| Columbia California Intermediate Municipal Bond Fund - Advisor Class | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Columbia California Intermediate Municipal Bond Fund | |
| Class Name | Advisor Class | |
| Trading Symbol | CCMRX | |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Additional Information [Text Block] | You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature 1-800-345-6611. | |
| 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 Cost of a $10,000 investment Cost paid as a percentage of a $10,000 investment Advisor Class $ 0.48 % (a) (a) Annualized. | |
| Expenses Paid, Amount | $ 24 | |
| Expense Ratio, Percent | 0.48% | [1] |
| Net Assets | $ 318,923,886 | |
| Holdings Count | Holding | 243 | |
| Investment Company, Portfolio Turnover | 9% | |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets $ Total number of portfolio holdings 243 Portfolio turnover for the reporting period 9% | |
| 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 Ratings, 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 Ratings, S&P or 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 opinions, not statements of fact, and are subject to change, including daily. Top Holdings Los Angeles Department of Water & Power 2.1 % Southern California Public Power Authority 2.0 % California State Public Works Board 1.7 % Burbank-Glendale-Pasadena Airport Authority Brick Campaign 1.7 % State of California 1.5 % California State University 1.4 % Los Angeles Unified School District 1.3 % Golden State Tobacco Securitization Corp. 1.3 % Southern California Public Power Authority 1.2 % Los Angeles Department of Water & Power 1.2 % Asset Categories Credit Quality | |
| Credit Quality Explanation [Text Block] | 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 Ratings, 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 Ratings, S&P or 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 opinions, not statements of fact, and are subject to change, including daily. | |
| Largest Holdings [Text Block] | Top Holdings Los Angeles Department of Water & Power 2.1 % Southern California Public Power Authority 2.0 % California State Public Works Board 1.7 % Burbank-Glendale-Pasadena Airport Authority Brick Campaign 1.7 % State of California 1.5 % California State University 1.4 % Los Angeles Unified School District 1.3 % Golden State Tobacco Securitization Corp. 1.3 % Southern California Public Power Authority 1.2 % Los Angeles Department of Water & Power 1.2 % | |
| Columbia California Intermediate Municipal Bond Fund - Institutional Class | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Columbia California Intermediate Municipal Bond Fund | |
| Class Name | Institutional Class | |
| Trading Symbol | NCMAX | |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Additional Information [Text Block] | You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature 1-800-345-6611. | |
| 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 Cost of a $10,000 investment Cost paid as a percentage of a $10,000 investment Institutional Class $ 0.48 % (a) (a) Annualized. | |
| Expenses Paid, Amount | $ 24 | |
| Expense Ratio, Percent | 0.48% | [1] |
| Net Assets | $ 318,923,886 | |
| Holdings Count | Holding | 243 | |
| Investment Company, Portfolio Turnover | 9% | |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets $ Total number of portfolio holdings 243 Portfolio turnover for the reporting period 9% | |
| 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 Ratings, 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 Ratings, S&P or 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 opinions, not statements of fact, and are subject to change, including daily. Top Holdings Los Angeles Department of Water & Power 2.1 % Southern California Public Power Authority 2.0 % California State Public Works Board 1.7 % Burbank-Glendale-Pasadena Airport Authority Brick Campaign 1.7 % State of California 1.5 % California State University 1.4 % Los Angeles Unified School District 1.3 % Golden State Tobacco Securitization Corp. 1.3 % Southern California Public Power Authority 1.2 % Los Angeles Department of Water & Power 1.2 % Asset Categories Credit Quality | |
| Credit Quality Explanation [Text Block] | 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 Ratings, 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 Ratings, S&P or 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 opinions, not statements of fact, and are subject to change, including daily. | |
| Largest Holdings [Text Block] | Top Holdings Los Angeles Department of Water & Power 2.1 % Southern California Public Power Authority 2.0 % California State Public Works Board 1.7 % Burbank-Glendale-Pasadena Airport Authority Brick Campaign 1.7 % State of California 1.5 % California State University 1.4 % Los Angeles Unified School District 1.3 % Golden State Tobacco Securitization Corp. 1.3 % Southern California Public Power Authority 1.2 % Los Angeles Department of Water & Power 1.2 % | |
| Columbia California Intermediate Municipal Bond Fund - Institutional 2 Class | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Columbia California Intermediate Municipal Bond Fund | |
| Class Name | Institutional 2 Class | |
| Trading Symbol | CNBRX | |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Additional Information [Text Block] | You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature 1-800-345-6611. | |
| 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 Cost of a $10,000 investment Cost paid as a percentage of a $10,000 investment Institutional 2 Class $ 0.47 % (a) (a) Annualized. | |
| Expenses Paid, Amount | $ 24 | |
| Expense Ratio, Percent | 0.47% | [1] |
| Net Assets | $ 318,923,886 | |
| Holdings Count | Holding | 243 | |
| Investment Company, Portfolio Turnover | 9% | |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets $ Total number of portfolio holdings 243 Portfolio turnover for the reporting period 9% | |
| 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 Ratings, 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 Ratings, S&P or 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 opinions, not statements of fact, and are subject to change, including daily. Top Holdings Los Angeles Department of Water & Power 2.1 % Southern California Public Power Authority 2.0 % California State Public Works Board 1.7 % Burbank-Glendale-Pasadena Airport Authority Brick Campaign 1.7 % State of California 1.5 % California State University 1.4 % Los Angeles Unified School District 1.3 % Golden State Tobacco Securitization Corp. 1.3 % Southern California Public Power Authority 1.2 % Los Angeles Department of Water & Power 1.2 % Asset Categories Credit Quality | |
| Credit Quality Explanation [Text Block] | 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 Ratings, 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 Ratings, S&P or 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 opinions, not statements of fact, and are subject to change, including daily. | |
| Largest Holdings [Text Block] | Top Holdings Los Angeles Department of Water & Power 2.1 % Southern California Public Power Authority 2.0 % California State Public Works Board 1.7 % Burbank-Glendale-Pasadena Airport Authority Brick Campaign 1.7 % State of California 1.5 % California State University 1.4 % Los Angeles Unified School District 1.3 % Golden State Tobacco Securitization Corp. 1.3 % Southern California Public Power Authority 1.2 % Los Angeles Department of Water & Power 1.2 % | |
| Columbia California Intermediate Municipal Bond Fund - Institutional 3 Class | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Columbia California Intermediate Municipal Bond Fund | |
| Class Name | Institutional 3 Class | |
| Trading Symbol | CCBYX | |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Additional Information [Text Block] | You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature 1-800-345-6611. | |
| Additional Information Phone Number | 1-800-345-6611 | |
| Additional Information Website | columbiathreadneedleus.com/resources/literature | |
| Expenses [Text Block] | Wh at were (Based on a hypothetical $10,000 investment) Class Cost of a $10,000 investment Cost paid as a percentage of a $10,000 investment Institutional 3 Class $ 0.42 % (a) (a) Annualized. | |
| Expenses Paid, Amount | $ 21 | |
| Expense Ratio, Percent | 0.42% | [1] |
| Net Assets | $ 318,923,886 | |
| Holdings Count | Holding | 243 | |
| Investment Company, Portfolio Turnover | 9% | |
| Additional Fund Statistics [Text Block] | K ey Fu Fund net assets $ Total number of portfolio holdings 243 Portfolio turnover for the reporting period 9% | |
| 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 Ratings, 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 Ratings, S&P or 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 opinions, not statements of fact, and are subject to change, including daily. Top Hol Los Angeles Department of Water & Power 2.1 % Southern California Public Power Authority 2.0 % California State Public Works Board 1.7 % Burbank-Glendale-Pasadena Airport Authority Brick Campaign 1.7 % State of California 1.5 % California State University 1.4 % Los Angeles Unified School District 1.3 % Golden State Tobacco Securitization Corp. 1.3 % Southern California Public Power Authority 1.2 % Los Angeles Department of Water & Power 1.2 % Asset Categories Credit Quality | |
| Credit Quality Explanation [Text Block] | 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 Ratings, 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 Ratings, S&P or 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 opinions, not statements of fact, and are subject to change, including daily. | |
| Largest Holdings [Text Block] | Top Hol Los Angeles Department of Water & Power 2.1 % Southern California Public Power Authority 2.0 % California State Public Works Board 1.7 % Burbank-Glendale-Pasadena Airport Authority Brick Campaign 1.7 % State of California 1.5 % California State University 1.4 % Los Angeles Unified School District 1.3 % Golden State Tobacco Securitization Corp. 1.3 % Southern California Public Power Authority 1.2 % Los Angeles Department of Water & Power 1.2 % | |
| Columbia California Intermediate Municipal Bond Fund - Class S | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Columbia California Intermediate Municipal Bond Fund | |
| Class Name | Class S | |
| Trading Symbol | NCMDX | |
| Annual or Semi-Annual Statement [Text Block] | This semiannual shareholder report | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Additional Information [Text Block] | You can find additional information about the Fund at columbiathreadneedleus.com/resources/literature 1-800-345-6611. | |
| 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 Cost of a $10,000 investment Cost paid as a percentage of a $10,000 investment Class S $ (a) 0.48 % (b) (a) Based on operations from October 2, 2024 (commencement of operations) through the stated period end. Had the class been open for the entire reporting period, expenses shown in the table above would have been higher. (b) Annualized. | |
| Expenses Paid, Amount | $ 4 | [2] |
| Expense Ratio, Percent | 0.48% | [1] |
| Net Assets | $ 318,923,886 | |
| Holdings Count | Holding | 243 | |
| Investment Company, Portfolio Turnover | 9% | |
| Additional Fund Statistics [Text Block] | Key F und ti Fund net assets $ Total number of portfolio holdings 243 Portfolio turnover for the reporting period 9% | |
| 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 Ratings, 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 Ratings, S&P or 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 opinions, not statements of fact, and are subject to change, including daily. T op H Los Angeles Department of Water & Power 2.1 % Southern California Public Power Authority 2.0 % California State Public Works Board 1.7 % Burbank-Glendale-Pasadena Airport Authority Brick Campaign 1.7 % State of California 1.5 % California State University 1.4 % Los Angeles Unified School District 1.3 % Golden State Tobacco Securitization Corp. 1.3 % Southern California Public Power Authority 1.2 % Los Angeles Department of Water & Power 1.2 % Asset Categories Credit Quality | |
| Credit Quality Explanation [Text Block] | 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 Ratings, 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 Ratings, S&P or 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 opinions, not statements of fact, and are subject to change, including daily. | |
| Largest Holdings [Text Block] | T op H Los Angeles Department of Water & Power 2.1 % Southern California Public Power Authority 2.0 % California State Public Works Board 1.7 % Burbank-Glendale-Pasadena Airport Authority Brick Campaign 1.7 % State of California 1.5 % California State University 1.4 % Los Angeles Unified School District 1.3 % Golden State Tobacco Securitization Corp. 1.3 % Southern California Public Power Authority 1.2 % Los Angeles Department of Water & Power 1.2 % | |
| [1]Annualized.[2]Based on operations from October 2, 2024 (commencement of operations) through the stated period end. Had the class been open for the entire reporting period, expenses shown in the table above would have been higher. | ||
| Shareholder Report, Holdings (Details) | Oct. 31, 2024 |
| Columbia California Intermediate Municipal Bond Fund - Class A | Los Angeles Department of Water & Power 07/01/2041 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Columbia California Intermediate Municipal Bond Fund - Class A | Southern California Public Power Authority 04/01/2055 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| Columbia California Intermediate Municipal Bond Fund - Class A | California State Public Works Board 08/01/2036 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Columbia California Intermediate Municipal Bond Fund - Class A | Burbank-Glendale-Pasadena Airport Authority Brick Campaign 07/01/2044 5.250% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Columbia California Intermediate Municipal Bond Fund - Class A | State of California 08/01/2044 5.250% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.50% |
| Columbia California Intermediate Municipal Bond Fund - Class A | California State University 11/01/2042 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Columbia California Intermediate Municipal Bond Fund - Class A | Los Angeles Unified School District 07/01/2032 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Columbia California Intermediate Municipal Bond Fund - Class A | Golden State Tobacco Securitization Corp. 06/01/2033 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Columbia California Intermediate Municipal Bond Fund - Class A | Southern California Public Power Authority 07/01/2041 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Columbia California Intermediate Municipal Bond Fund - Class A | Los Angeles Department of Water & Power 07/01/2029 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Columbia California Intermediate Municipal Bond Fund - Class A | AAA rating [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Columbia California Intermediate Municipal Bond Fund - Class A | AA rating [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 51.90% |
| Columbia California Intermediate Municipal Bond Fund - Class A | A rating [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 31.50% |
| Columbia California Intermediate Municipal Bond Fund - Class A | BBB rating [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.10% |
| Columbia California Intermediate Municipal Bond Fund - Class A | BB rating [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Columbia California Intermediate Municipal Bond Fund - Class A | Not rated [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.40% |
| Columbia California Intermediate Municipal Bond Fund - Class A | Municipal Bonds [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 97.30% |
| Columbia California Intermediate Municipal Bond Fund - Class A | Floating Rate Notes [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Columbia California Intermediate Municipal Bond Fund - Class A | Municipal Short Term [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Columbia California Intermediate Municipal Bond Fund - Class A | Other [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Columbia California Intermediate Municipal Bond Fund - Advisor Class | Los Angeles Department of Water & Power 07/01/2041 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Columbia California Intermediate Municipal Bond Fund - Advisor Class | Southern California Public Power Authority 04/01/2055 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| Columbia California Intermediate Municipal Bond Fund - Advisor Class | California State Public Works Board 08/01/2036 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Columbia California Intermediate Municipal Bond Fund - Advisor Class | Burbank-Glendale-Pasadena Airport Authority Brick Campaign 07/01/2044 5.250% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Columbia California Intermediate Municipal Bond Fund - Advisor Class | State of California 08/01/2044 5.250% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.50% |
| Columbia California Intermediate Municipal Bond Fund - Advisor Class | California State University 11/01/2042 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Columbia California Intermediate Municipal Bond Fund - Advisor Class | Los Angeles Unified School District 07/01/2032 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Columbia California Intermediate Municipal Bond Fund - Advisor Class | Golden State Tobacco Securitization Corp. 06/01/2033 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Columbia California Intermediate Municipal Bond Fund - Advisor Class | Southern California Public Power Authority 07/01/2041 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Columbia California Intermediate Municipal Bond Fund - Advisor Class | Los Angeles Department of Water & Power 07/01/2029 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Columbia California Intermediate Municipal Bond Fund - Advisor Class | AAA rating [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Columbia California Intermediate Municipal Bond Fund - Advisor Class | AA rating [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 51.90% |
| Columbia California Intermediate Municipal Bond Fund - Advisor Class | A rating [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 31.50% |
| Columbia California Intermediate Municipal Bond Fund - Advisor Class | BBB rating [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.10% |
| Columbia California Intermediate Municipal Bond Fund - Advisor Class | BB rating [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Columbia California Intermediate Municipal Bond Fund - Advisor Class | Not rated [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.40% |
| Columbia California Intermediate Municipal Bond Fund - Advisor Class | Municipal Bonds [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 97.30% |
| Columbia California Intermediate Municipal Bond Fund - Advisor Class | Floating Rate Notes [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Columbia California Intermediate Municipal Bond Fund - Advisor Class | Municipal Short Term [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Columbia California Intermediate Municipal Bond Fund - Advisor Class | Other [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Columbia California Intermediate Municipal Bond Fund - Institutional Class | Los Angeles Department of Water & Power 07/01/2041 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Columbia California Intermediate Municipal Bond Fund - Institutional Class | Southern California Public Power Authority 04/01/2055 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| Columbia California Intermediate Municipal Bond Fund - Institutional Class | California State Public Works Board 08/01/2036 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Columbia California Intermediate Municipal Bond Fund - Institutional Class | Burbank-Glendale-Pasadena Airport Authority Brick Campaign 07/01/2044 5.250% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Columbia California Intermediate Municipal Bond Fund - Institutional Class | State of California 08/01/2044 5.250% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.50% |
| Columbia California Intermediate Municipal Bond Fund - Institutional Class | California State University 11/01/2042 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Columbia California Intermediate Municipal Bond Fund - Institutional Class | Los Angeles Unified School District 07/01/2032 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Columbia California Intermediate Municipal Bond Fund - Institutional Class | Golden State Tobacco Securitization Corp. 06/01/2033 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Columbia California Intermediate Municipal Bond Fund - Institutional Class | Southern California Public Power Authority 07/01/2041 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Columbia California Intermediate Municipal Bond Fund - Institutional Class | Los Angeles Department of Water & Power 07/01/2029 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Columbia California Intermediate Municipal Bond Fund - Institutional Class | AAA rating [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Columbia California Intermediate Municipal Bond Fund - Institutional Class | AA rating [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 51.90% |
| Columbia California Intermediate Municipal Bond Fund - Institutional Class | A rating [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 31.50% |
| Columbia California Intermediate Municipal Bond Fund - Institutional Class | BBB rating [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.10% |
| Columbia California Intermediate Municipal Bond Fund - Institutional Class | BB rating [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Columbia California Intermediate Municipal Bond Fund - Institutional Class | Not rated [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.40% |
| Columbia California Intermediate Municipal Bond Fund - Institutional Class | Municipal Bonds [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 97.30% |
| Columbia California Intermediate Municipal Bond Fund - Institutional Class | Floating Rate Notes [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Columbia California Intermediate Municipal Bond Fund - Institutional Class | Municipal Short Term [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Columbia California Intermediate Municipal Bond Fund - Institutional Class | Other [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 2 Class | Los Angeles Department of Water & Power 07/01/2041 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 2 Class | Southern California Public Power Authority 04/01/2055 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 2 Class | California State Public Works Board 08/01/2036 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 2 Class | Burbank-Glendale-Pasadena Airport Authority Brick Campaign 07/01/2044 5.250% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 2 Class | State of California 08/01/2044 5.250% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.50% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 2 Class | California State University 11/01/2042 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 2 Class | Los Angeles Unified School District 07/01/2032 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 2 Class | Golden State Tobacco Securitization Corp. 06/01/2033 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 2 Class | Southern California Public Power Authority 07/01/2041 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 2 Class | Los Angeles Department of Water & Power 07/01/2029 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 2 Class | AAA rating [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 2 Class | AA rating [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 51.90% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 2 Class | A rating [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 31.50% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 2 Class | BBB rating [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.10% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 2 Class | BB rating [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 2 Class | Not rated [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.40% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 2 Class | Municipal Bonds [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 97.30% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 2 Class | Floating Rate Notes [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 2 Class | Municipal Short Term [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 2 Class | Other [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 3 Class | Los Angeles Department of Water & Power 07/01/2041 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 3 Class | Southern California Public Power Authority 04/01/2055 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 3 Class | California State Public Works Board 08/01/2036 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 3 Class | Burbank-Glendale-Pasadena Airport Authority Brick Campaign 07/01/2044 5.250% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 3 Class | State of California 08/01/2044 5.250% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.50% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 3 Class | California State University 11/01/2042 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 3 Class | Los Angeles Unified School District 07/01/2032 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 3 Class | Golden State Tobacco Securitization Corp. 06/01/2033 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 3 Class | Southern California Public Power Authority 07/01/2041 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 3 Class | Los Angeles Department of Water & Power 07/01/2029 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 3 Class | AAA rating [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 3 Class | AA rating [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 51.90% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 3 Class | A rating [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 31.50% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 3 Class | BBB rating [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.10% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 3 Class | BB rating [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 3 Class | Not rated [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.40% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 3 Class | Municipal Bonds [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 97.30% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 3 Class | Floating Rate Notes [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 3 Class | Municipal Short Term [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Columbia California Intermediate Municipal Bond Fund - Institutional 3 Class | Other [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
| Columbia California Intermediate Municipal Bond Fund - Class S | Los Angeles Department of Water & Power 07/01/2041 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Columbia California Intermediate Municipal Bond Fund - Class S | Southern California Public Power Authority 04/01/2055 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| Columbia California Intermediate Municipal Bond Fund - Class S | California State Public Works Board 08/01/2036 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Columbia California Intermediate Municipal Bond Fund - Class S | Burbank-Glendale-Pasadena Airport Authority Brick Campaign 07/01/2044 5.250% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| Columbia California Intermediate Municipal Bond Fund - Class S | State of California 08/01/2044 5.250% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.50% |
| Columbia California Intermediate Municipal Bond Fund - Class S | California State University 11/01/2042 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Columbia California Intermediate Municipal Bond Fund - Class S | Los Angeles Unified School District 07/01/2032 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Columbia California Intermediate Municipal Bond Fund - Class S | Golden State Tobacco Securitization Corp. 06/01/2033 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Columbia California Intermediate Municipal Bond Fund - Class S | Southern California Public Power Authority 07/01/2041 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Columbia California Intermediate Municipal Bond Fund - Class S | Los Angeles Department of Water & Power 07/01/2029 5.000% [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Columbia California Intermediate Municipal Bond Fund - Class S | AAA rating [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Columbia California Intermediate Municipal Bond Fund - Class S | AA rating [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 51.90% |
| Columbia California Intermediate Municipal Bond Fund - Class S | A rating [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 31.50% |
| Columbia California Intermediate Municipal Bond Fund - Class S | BBB rating [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.10% |
| Columbia California Intermediate Municipal Bond Fund - Class S | BB rating [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| Columbia California Intermediate Municipal Bond Fund - Class S | Not rated [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.40% |
| Columbia California Intermediate Municipal Bond Fund - Class S | Municipal Bonds [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 97.30% |
| Columbia California Intermediate Municipal Bond Fund - Class S | Floating Rate Notes [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.40% |
| Columbia California Intermediate Municipal Bond Fund - Class S | Municipal Short Term [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.30% |
| Columbia California Intermediate Municipal Bond Fund - Class S | Other [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.10% |
