| Form N-CSR Cover | 12 Months Ended |
| Oct. 31, 2024 | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSR |
| Amendment Flag | false |
| Registrant Name | Columbia Funds Series Trust II |
| Entity Central Index Key | 0001352280 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Oct. 31, 2024 |
| Shareholder Report | 12 Months Ended |
| Oct. 31, 2024 USD ($) Holding | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSR |
| Amendment Flag | false |
| Registrant Name | Columbia Funds Series Trust II |
| Entity Central Index Key | 0001352280 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Oct. 31, 2024 |
| Columbia Select Global Equity Fund - Class A | |
| Shareholder Report [Line Items] | |
| Fund Name | Columbia Select Global Equity Fund |
| Class Name | Class A |
| Trading Symbol | IGLGX |
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about Columbia Select Global Equity Fund (the Fund) for the period of November 1, 2023 to October 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 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 $ 1.21 % |
| Expenses Paid, Amount | $ 142 |
| Expense Ratio, Percent | 1.21% |
| Factors Affecting Performance [Text Block] | Management's Discussion of Fund Performance The performance of Class A shares for the period presented is shown in the Average Annual Total Returns table. Top Performance Contributors Stock selection Allocations Individual holdings Top Performance Detractors Stock selection Allocations Individual holdings |
| 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) 34.06 11.74 11.06 Class A (including sales charges) 26.35 10.43 10.40 MSCI ACWI Index (Net) 32.79 11.08 9.06 |
| 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 | $ 722,274,735 |
| Holdings Count | Holding | 50 |
| Advisory Fees Paid, Amount | $ 6,001,103 |
| Investment Company, Portfolio Turnover | 35% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets $ Total number of portfolio holdings 50 Management services fees $ Portfolio turnover for the reporting period 35% |
| 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. The Fund may use place of organization/incorporation or other factors in determining whether an issuer is domestic (U.S.) or foreign for purposes of its investment policies. At October 31, 2024, the Fund invested at least 40% of its net assets in foreign companies in accordance with its principal investment strategy. Top Holdings Microsoft Corp. 8.2 % NVIDIA Corp. 5.6 % MasterCard, Inc., Class A 5.3 % Amazon.com, Inc. 4.9 % Taiwan Semiconductor Manufacturing Co., Ltd. 4.3 % Linde PLC 3.9 % Alphabet, Inc., Class A 3.6 % Keyence Corp. 3.2 % Visa, Inc., Class A 2.8 % Schneider Electric SE 2.7 % Equity Sector Allocation Geographic Allocation |
| Largest Holdings [Text Block] | Top Holdings Microsoft Corp. 8.2 % NVIDIA Corp. 5.6 % MasterCard, Inc., Class A 5.3 % Amazon.com, Inc. 4.9 % Taiwan Semiconductor Manufacturing Co., Ltd. 4.3 % Linde PLC 3.9 % Alphabet, Inc., Class A 3.6 % Keyence Corp. 3.2 % Visa, Inc., Class A 2.8 % Schneider Electric SE 2.7 % |
| Columbia Select Global Equity Fund - Advisor Class | |
| Shareholder Report [Line Items] | |
| Fund Name | Columbia Select Global Equity Fund |
| Class Name | Advisor Class |
| Trading Symbol | CSGVX |
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about Columbia Select Global Equity Fund (the Fund) for the period of November 1, 2023 to October 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 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 $ 0.96 % |
| Expenses Paid, Amount | $ 113 |
| Expense Ratio, Percent | 0.96% |
| Factors Affecting Performance [Text Block] | Management's Discussion of Fund Performance The performance of Advisor Class shares for the period presented is shown in the Average Annual Total Returns table. Top Performance Contributors Stock selection Allocations Individual holdings Top Performance Detractors Stock selection Allocations Individual holdings |
| 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) 34.45 12.04 11.25 MSCI ACWI Index (Net) 32.79 11.08 9.06 (a) The returns shown for periods prior to March 1, 2018 (including returns for the Life of the Fund, if shown, which are since Fund inception) include the returns of Class A. 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 |
| 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 | $ 722,274,735 |
| Holdings Count | Holding | 50 |
| Advisory Fees Paid, Amount | $ 6,001,103 |
| Investment Company, Portfolio Turnover | 35% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets $ Total number of portfolio holdings 50 Management services fees $ Portfolio turnover for the reporting period 35% |
| 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. The Fund may use place of organization/incorporation or other factors in determining whether an issuer is domestic (U.S.) or foreign for purposes of its investment policies. At October 31, 2024, the Fund invested at least 40% of its net assets in foreign companies in accordance with its principal investment strategy. Top Holdings Microsoft Corp. 8.2 % NVIDIA Corp. 5.6 % MasterCard, Inc., Class A 5.3 % Amazon.com, Inc. 4.9 % Taiwan Semiconductor Manufacturing Co., Ltd. 4.3 % Linde PLC 3.9 % Alphabet, Inc., Class A 3.6 % Keyence Corp. 3.2 % Visa, Inc., Class A 2.8 % Schneider Electric SE 2.7 % Equity Sector Allocation Geographic Allocation |
| Largest Holdings [Text Block] | Top Holdings Microsoft Corp. 8.2 % NVIDIA Corp. 5.6 % MasterCard, Inc., Class A 5.3 % Amazon.com, Inc. 4.9 % Taiwan Semiconductor Manufacturing Co., Ltd. 4.3 % Linde PLC 3.9 % Alphabet, Inc., Class A 3.6 % Keyence Corp. 3.2 % Visa, Inc., Class A 2.8 % Schneider Electric SE 2.7 % |
| Columbia Select Global Equity Fund - Class C | |
| Shareholder Report [Line Items] | |
| Fund Name | Columbia Select Global Equity Fund |
| Class Name | Class C |
| Trading Symbol | RGCEX |
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about Columbia Select Global Equity Fund (the Fund) for the period of November 1, 2023 to October 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 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 C $ 1.96 % |
| Expenses Paid, Amount | $ 228 |
| Expense Ratio, Percent | 1.96% |
| Factors Affecting Performance [Text Block] | Management's Discussion of Fund Performance The performance of Class C shares for the period presented is shown in the Average Annual Total Returns table. Top Performance Contributors Stock selection Allocations Individual holdings Top Performance Detractors Stock selection Allocations Individual holdings |
| 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) 33.14 10.92 10.24 Class C (including sales charges) 32.14 10.92 10.24 MSCI ACWI Index (Net) 32.79 11.08 9.06 |
| 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 | $ 722,274,735 |
| Holdings Count | Holding | 50 |
| Advisory Fees Paid, Amount | $ 6,001,103 |
| Investment Company, Portfolio Turnover | 35% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets $ Total number of portfolio holdings 50 Management services fees $ Portfolio turnover for the reporting period 35% |
| 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. The Fund may use place of organization/incorporation or other factors in determining whether an issuer is domestic (U.S.) or foreign for purposes of its investment policies. At October 31, 2024, the Fund invested at least 40% of its net assets in foreign companies in accordance with its principal investment strategy. Top Holdings Microsoft Corp. 8.2 % NVIDIA Corp. 5.6 % MasterCard, Inc., Class A 5.3 % Amazon.com, Inc. 4.9 % Taiwan Semiconductor Manufacturing Co., Ltd. 4.3 % Linde PLC 3.9 % Alphabet, Inc., Class A 3.6 % Keyence Corp. 3.2 % Visa, Inc., Class A 2.8 % Schneider Electric SE 2.7 % Equity Sector Allocation Geographic Allocation |
| Largest Holdings [Text Block] | Top Holdings Microsoft Corp. 8.2 % NVIDIA Corp. 5.6 % MasterCard, Inc., Class A 5.3 % Amazon.com, Inc. 4.9 % Taiwan Semiconductor Manufacturing Co., Ltd. 4.3 % Linde PLC 3.9 % Alphabet, Inc., Class A 3.6 % Keyence Corp. 3.2 % Visa, Inc., Class A 2.8 % Schneider Electric SE 2.7 % |
| Columbia Select Global Equity Fund - Institutional Class | |
| Shareholder Report [Line Items] | |
| Fund Name | Columbia Select Global Equity Fund |
| Class Name | Institutional Class |
| Trading Symbol | CGEZX |
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about Columbia Select Global Equity Fund (the Fund) for the period of November 1, 2023 to October 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 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 $ 0.96 % |
| Expenses Paid, Amount | $ 113 |
| Expense Ratio, Percent | 0.96% |
| Factors Affecting Performance [Text Block] | Management's Discussion of Fund Performance The performance of Institutional Class shares for the period presented is shown in the Average Annual Total Returns table. Top Performance Contributors Stock selection Allocations Individual holdings Top Performance Detractors Stock selection Allocations Individual holdings |
| 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 34.46 12.03 11.34 MSCI ACWI Index (Net) 32.79 11.08 9.06 |
| 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 | $ 722,274,735 |
| Holdings Count | Holding | 50 |
| Advisory Fees Paid, Amount | $ 6,001,103 |
| Investment Company, Portfolio Turnover | 35% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets $ Total number of portfolio holdings 50 Management services fees $ Portfolio turnover for the reporting period 35% |
| 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. The Fund may use place of organization/incorporation or other factors in determining whether an issuer is domestic (U.S.) or foreign for purposes of its investment policies. At October 31, 2024, the Fund invested at least 40% of its net assets in foreign companies in accordance with its principal investment strategy. Top Holdings Microsoft Corp. 8.2 % NVIDIA Corp. 5.6 % MasterCard, Inc., Class A 5.3 % Amazon.com, Inc. 4.9 % Taiwan Semiconductor Manufacturing Co., Ltd. 4.3 % Linde PLC 3.9 % Alphabet, Inc., Class A 3.6 % Keyence Corp. 3.2 % Visa, Inc., Class A 2.8 % Schneider Electric SE 2.7 % Equity Sector Allocation Geographic Allocation |
| Largest Holdings [Text Block] | Top Holdings Microsoft Corp. 8.2 % NVIDIA Corp. 5.6 % MasterCard, Inc., Class A 5.3 % Amazon.com, Inc. 4.9 % Taiwan Semiconductor Manufacturing Co., Ltd. 4.3 % Linde PLC 3.9 % Alphabet, Inc., Class A 3.6 % Keyence Corp. 3.2 % Visa, Inc., Class A 2.8 % Schneider Electric SE 2.7 % |
| Columbia Select Global Equity Fund - Institutional 2 Class | |
| Shareholder Report [Line Items] | |
| Fund Name | Columbia Select Global Equity Fund |
| Class Name | Institutional 2 Class |
| Trading Symbol | RGERX |
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about Columbia Select Global Equity Fund (the Fund) for the period of November 1, 2023 to October 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 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 $ 0.92 % |
| Expenses Paid, Amount | $ 108 |
| Expense Ratio, Percent | 0.92% |
| Factors Affecting Performance [Text Block] | Management's Discussion of Fund Performance The performance of Institutional 2 Class shares for the period presented is shown in the Average Annual Total Returns table. Top Performance Contributors Stock selection Allocations Individual holdings Top Performance Detractors Stock selection Allocations Individual holdings |
| 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 34.48 12.08 11.42 MSCI ACWI Index (Net) 32.79 11.08 9.06 |
| 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 | $ 722,274,735 |
| Holdings Count | Holding | 50 |
| Advisory Fees Paid, Amount | $ 6,001,103 |
| Investment Company, Portfolio Turnover | 35% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets $ Total number of portfolio holdings 50 Management services fees $ Portfolio turnover for the reporting period 35% |
| 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. The Fund may use place of organization/incorporation or other factors in determining whether an issuer is domestic (U.S.) or foreign for purposes of its investment policies. At October 31, 2024, the Fund invested at least 40% of its net assets in foreign companies in accordance with its principal investment strategy. Top Holdings Microsoft Corp. 8.2 % NVIDIA Corp. 5.6 % MasterCard, Inc., Class A 5.3 % Amazon.com, Inc. 4.9 % Taiwan Semiconductor Manufacturing Co., Ltd. 4.3 % Linde PLC 3.9 % Alphabet, Inc., Class A 3.6 % Keyence Corp. 3.2 % Visa, Inc., Class A 2.8 % Schneider Electric SE 2.7 % Equity Sector Allocation Geographic Allocation |
| Largest Holdings [Text Block] | Top Holdings Microsoft Corp. 8.2 % NVIDIA Corp. 5.6 % MasterCard, Inc., Class A 5.3 % Amazon.com, Inc. 4.9 % Taiwan Semiconductor Manufacturing Co., Ltd. 4.3 % Linde PLC 3.9 % Alphabet, Inc., Class A 3.6 % Keyence Corp. 3.2 % Visa, Inc., Class A 2.8 % Schneider Electric SE 2.7 % |
| Columbia Select Global Equity Fund - Institutional 3 Class | |
| Shareholder Report [Line Items] | |
| Fund Name | Columbia Select Global Equity Fund |
| Class Name | Institutional 3 Class |
| Trading Symbol | CSEYX |
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about Columbia Select Global Equity Fund (the Fund) for the period of November 1, 2023 to October 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 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 3 Class $ 0.87 % |
| Expenses Paid, Amount | $ 102 |
| Expense Ratio, Percent | 0.87% |
| Factors Affecting Performance [Text Block] | Management's Discussion of Fund Performance The performance of Institutional 3 Class shares for the period presented is shown in the Average Annual Total Returns table. Top Performance Contributors Stock selection Allocations Individual holdings Top Performance Detractors Stock selection Allocations Individual holdings |
| 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) 34.54 12.12 11.36 MSCI ACWI Index (Net) 32.79 11.08 9.06 (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 Class A. 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 |
| 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 | $ 722,274,735 |
| Holdings Count | Holding | 50 |
| Advisory Fees Paid, Amount | $ 6,001,103 |
| Investment Company, Portfolio Turnover | 35% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics Fund net assets $ Total number of portfolio holdings 50 Management services fees $ Portfolio turnover for the reporting period 35% |
| 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. The Fund may use place of organization/incorporation or other factors in determining whether an issuer is domestic (U.S.) or foreign for purposes of its investment policies. At October 31, 2024, the Fund invested at least 40% of its net assets in foreign companies in accordance with its principal investment strategy. Top Holdings Microsoft Corp. 8.2 % NVIDIA Corp. 5.6 % MasterCard, Inc., Class A 5.3 % Amazon.com, Inc. 4.9 % Taiwan Semiconductor Manufacturing Co., Ltd. 4.3 % Linde PLC 3.9 % Alphabet, Inc., Class A 3.6 % Keyence Corp. 3.2 % Visa, Inc., Class A 2.8 % Schneider Electric SE 2.7 % Equity Sector Allocation Geographic Allocation |
| Largest Holdings [Text Block] | Top Holdings Microsoft Corp. 8.2 % NVIDIA Corp. 5.6 % MasterCard, Inc., Class A 5.3 % Amazon.com, Inc. 4.9 % Taiwan Semiconductor Manufacturing Co., Ltd. 4.3 % Linde PLC 3.9 % Alphabet, Inc., Class A 3.6 % Keyence Corp. 3.2 % Visa, Inc., Class A 2.8 % Schneider Electric SE 2.7 % |
| Shareholder Report, Line Graph (Details) - USD ($) | 12 Months Ended | ||||||||||
| Oct. 31, 2024 | Oct. 31, 2023 | Oct. 31, 2022 | Oct. 31, 2021 | Oct. 31, 2020 | Oct. 31, 2019 | Oct. 31, 2018 | Oct. 31, 2017 | Oct. 31, 2016 | Oct. 31, 2015 | Oct. 31, 2014 | |
| Columbia Select Global Equity Fund - Class A | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Class A (including sales charges) | ||||||||||
| Account Value | $ 26,896 | $ 20,063 | $ 18,218 | $ 25,557 | $ 18,399 | $ 15,440 | $ 12,625 | $ 12,195 | $ 9,756 | $ 9,612 | $ 9,423 |
| Columbia Select Global Equity Fund - Advisor Class | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Advisor Class | ||||||||||
| Account Value | $ 29,041 | 21,600 | 19,570 | 27,383 | 19,666 | 16,453 | 13,429 | 12,942 | 10,354 | 10,200 | 10,000 |
| Columbia Select Global Equity Fund - Class C | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Class C (including sales charges) | ||||||||||
| Account Value | $ 26,500 | 19,904 | 18,217 | 25,750 | 18,675 | 15,782 | 13,014 | 12,662 | 10,201 | 10,134 | 10,000 |
| Columbia Select Global Equity Fund - Institutional Class | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Institutional Class | ||||||||||
| Account Value | $ 29,279 | 21,775 | 19,734 | 27,608 | 19,833 | 16,592 | 13,544 | 13,043 | 10,406 | 10,233 | 10,000 |
| Columbia Select Global Equity Fund - Institutional 2 Class | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Institutional 2 Class | ||||||||||
| Account Value | $ 29,496 | 21,934 | 19,865 | 27,775 | 19,950 | 16,674 | 13,604 | 13,091 | 10,437 | 10,243 | 10,000 |
| Columbia Select Global Equity Fund - Institutional 3 Class | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | Institutional 3 Class | ||||||||||
| Account Value | $ 29,342 | 21,809 | 19,735 | 27,587 | 19,800 | 16,557 | 13,497 | 12,986 | 10,354 | 10,200 | 10,000 |
| MSCI ACWI Index (Net) [Member] | |||||||||||
| Account Value [Line Items] | |||||||||||
| Line Graph and Table Measure Name | MSCI ACWI Index (Net) | ||||||||||
| Account Value | $ 23,808 | $ 17,929 | $ 16,225 | $ 20,270 | $ 14,766 | $ 14,078 | $ 12,503 | $ 12,568 | $ 10,201 | $ 9,997 | $ 10,000 |
| Shareholder Report, Average Annual Return (Details) | 12 Months Ended | 60 Months Ended | 120 Months Ended | |
| Oct. 31, 2024 | Oct. 31, 2024 | Oct. 31, 2024 | ||
| Columbia Select Global Equity Fund - Class A | ||||
| Average Annual Return [Line Items] | ||||
| Line Graph and Table Measure Name | Class A (including sales charges) | |||
| Average Annual Return, Percent | 26.35% | 10.43% | 10.40% | |
| Columbia Select Global Equity Fund - Advisor Class | ||||
| Average Annual Return [Line Items] | ||||
| Line Graph and Table Measure Name | Advisor Class | |||
| Average Annual Return, Percent | [1] | 34.45% | 12.04% | 11.25% |
| Columbia Select Global Equity Fund - Class C | ||||
| Average Annual Return [Line Items] | ||||
| Line Graph and Table Measure Name | Class C (including sales charges) | |||
| Average Annual Return, Percent | 32.14% | 10.92% | 10.24% | |
| Columbia Select Global Equity Fund - Institutional Class | ||||
| Average Annual Return [Line Items] | ||||
| Line Graph and Table Measure Name | Institutional Class | |||
| Average Annual Return, Percent | 34.46% | 12.03% | 11.34% | |
| Columbia Select Global Equity Fund - Institutional 2 Class | ||||
| Average Annual Return [Line Items] | ||||
| Line Graph and Table Measure Name | Institutional 2 Class | |||
| Average Annual Return, Percent | 34.48% | 12.08% | 11.42% | |
| Columbia Select Global Equity Fund - Institutional 3 Class | ||||
| Average Annual Return [Line Items] | ||||
| Line Graph and Table Measure Name | Institutional 3 Class | |||
| Average Annual Return, Percent | [2] | 34.54% | 12.12% | 11.36% |
| Without Sales Load [Member] | Columbia Select Global Equity Fund - Class A | ||||
| Average Annual Return [Line Items] | ||||
| Line Graph and Table Measure Name | Class A (excluding sales charges) | |||
| Average Annual Return, Percent | 34.06% | 11.74% | 11.06% | |
| Without Sales Load [Member] | Columbia Select Global Equity Fund - Class C | ||||
| Average Annual Return [Line Items] | ||||
| Line Graph and Table Measure Name | Class C (excluding sales charges) | |||
| Average Annual Return, Percent | 33.14% | 10.92% | 10.24% | |
| MSCI ACWI Index (Net) [Member] | ||||
| Average Annual Return [Line Items] | ||||
| Line Graph and Table Measure Name | MSCI ACWI Index (Net) | |||
| Average Annual Return, Percent | 32.79% | 11.08% | 9.06% | |
| [1]The returns shown for periods prior to March 1, 2018 (including returns for the Life of the Fund, if shown, which are since Fund inception) include the returns of Class A. 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.[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 Class A. 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 (Details) | Oct. 31, 2024 |
| Columbia Select Global Equity Fund - Class A | Microsoft Corp. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.20% |
| Columbia Select Global Equity Fund - Class A | NVIDIA Corp. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.60% |
| Columbia Select Global Equity Fund - Class A | MasterCard, Inc., Class A [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.30% |
| Columbia Select Global Equity Fund - Class A | Amazon.com, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.90% |
| Columbia Select Global Equity Fund - Class A | Taiwan Semiconductor Manufacturing Co., Ltd. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| Columbia Select Global Equity Fund - Class A | Linde PLC [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| Columbia Select Global Equity Fund - Class A | Alphabet, Inc., Class A [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| Columbia Select Global Equity Fund - Class A | Keyence Corp. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.20% |
| Columbia Select Global Equity Fund - Class A | Visa, Inc., Class A [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.80% |
| Columbia Select Global Equity Fund - Class A | Schneider Electric SE [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| Columbia Select Global Equity Fund - Class A | Information Technology Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 32.20% |
| Columbia Select Global Equity Fund - Class A | Financial Services Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 16.30% |
| Columbia Select Global Equity Fund - Class A | Healthcare Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.40% |
| Columbia Select Global Equity Fund - Class A | Industrial Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.60% |
| Columbia Select Global Equity Fund - Class A | Consumer Discretionary Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.10% |
| Columbia Select Global Equity Fund - Class A | Materials Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.70% |
| Columbia Select Global Equity Fund - Class A | Communications Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.60% |
| Columbia Select Global Equity Fund - Class A | Consumer Staples Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Columbia Select Global Equity Fund - Class A | Unclassified Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.40% |
| Columbia Select Global Equity Fund - Class A | UNITED STATES | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 70% |
| Columbia Select Global Equity Fund - Class A | UNITED KINGDOM | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.50% |
| Columbia Select Global Equity Fund - Class A | JAPAN | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.70% |
| Columbia Select Global Equity Fund - Class A | TAIWAN | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| Columbia Select Global Equity Fund - Class A | FRANCE | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.70% |
| Columbia Select Global Equity Fund - Class A | IRELAND | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| Columbia Select Global Equity Fund - Class A | INDIA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.60% |
| Columbia Select Global Equity Fund - Class A | GERMANY | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Columbia Select Global Equity Fund - Class A | SPAIN | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Columbia Select Global Equity Fund - Class A | DENMARK | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Columbia Select Global Equity Fund - Class A | Other [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
| Columbia Select Global Equity Fund - Advisor Class | Microsoft Corp. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.20% |
| Columbia Select Global Equity Fund - Advisor Class | NVIDIA Corp. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.60% |
| Columbia Select Global Equity Fund - Advisor Class | MasterCard, Inc., Class A [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.30% |
| Columbia Select Global Equity Fund - Advisor Class | Amazon.com, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.90% |
| Columbia Select Global Equity Fund - Advisor Class | Taiwan Semiconductor Manufacturing Co., Ltd. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| Columbia Select Global Equity Fund - Advisor Class | Linde PLC [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| Columbia Select Global Equity Fund - Advisor Class | Alphabet, Inc., Class A [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| Columbia Select Global Equity Fund - Advisor Class | Keyence Corp. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.20% |
| Columbia Select Global Equity Fund - Advisor Class | Visa, Inc., Class A [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.80% |
| Columbia Select Global Equity Fund - Advisor Class | Schneider Electric SE [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| Columbia Select Global Equity Fund - Advisor Class | Information Technology Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 32.20% |
| Columbia Select Global Equity Fund - Advisor Class | Financial Services Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 16.30% |
| Columbia Select Global Equity Fund - Advisor Class | Healthcare Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.40% |
| Columbia Select Global Equity Fund - Advisor Class | Industrial Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.60% |
| Columbia Select Global Equity Fund - Advisor Class | Consumer Discretionary Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.10% |
| Columbia Select Global Equity Fund - Advisor Class | Materials Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.70% |
| Columbia Select Global Equity Fund - Advisor Class | Communications Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.60% |
| Columbia Select Global Equity Fund - Advisor Class | Consumer Staples Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Columbia Select Global Equity Fund - Advisor Class | Unclassified Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.40% |
| Columbia Select Global Equity Fund - Advisor Class | UNITED STATES | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 70% |
| Columbia Select Global Equity Fund - Advisor Class | UNITED KINGDOM | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.50% |
| Columbia Select Global Equity Fund - Advisor Class | JAPAN | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.70% |
| Columbia Select Global Equity Fund - Advisor Class | TAIWAN | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| Columbia Select Global Equity Fund - Advisor Class | FRANCE | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.70% |
| Columbia Select Global Equity Fund - Advisor Class | IRELAND | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| Columbia Select Global Equity Fund - Advisor Class | INDIA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.60% |
| Columbia Select Global Equity Fund - Advisor Class | GERMANY | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Columbia Select Global Equity Fund - Advisor Class | SPAIN | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Columbia Select Global Equity Fund - Advisor Class | DENMARK | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Columbia Select Global Equity Fund - Advisor Class | Other [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
| Columbia Select Global Equity Fund - Class C | Microsoft Corp. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.20% |
| Columbia Select Global Equity Fund - Class C | NVIDIA Corp. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.60% |
| Columbia Select Global Equity Fund - Class C | MasterCard, Inc., Class A [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.30% |
| Columbia Select Global Equity Fund - Class C | Amazon.com, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.90% |
| Columbia Select Global Equity Fund - Class C | Taiwan Semiconductor Manufacturing Co., Ltd. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| Columbia Select Global Equity Fund - Class C | Linde PLC [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| Columbia Select Global Equity Fund - Class C | Alphabet, Inc., Class A [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| Columbia Select Global Equity Fund - Class C | Keyence Corp. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.20% |
| Columbia Select Global Equity Fund - Class C | Visa, Inc., Class A [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.80% |
| Columbia Select Global Equity Fund - Class C | Schneider Electric SE [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| Columbia Select Global Equity Fund - Class C | Information Technology Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 32.20% |
| Columbia Select Global Equity Fund - Class C | Financial Services Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 16.30% |
| Columbia Select Global Equity Fund - Class C | Healthcare Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.40% |
| Columbia Select Global Equity Fund - Class C | Industrial Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.60% |
| Columbia Select Global Equity Fund - Class C | Consumer Discretionary Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.10% |
| Columbia Select Global Equity Fund - Class C | Materials Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.70% |
| Columbia Select Global Equity Fund - Class C | Communications Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.60% |
| Columbia Select Global Equity Fund - Class C | Consumer Staples Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Columbia Select Global Equity Fund - Class C | Unclassified Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.40% |
| Columbia Select Global Equity Fund - Class C | UNITED STATES | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 70% |
| Columbia Select Global Equity Fund - Class C | UNITED KINGDOM | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.50% |
| Columbia Select Global Equity Fund - Class C | JAPAN | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.70% |
| Columbia Select Global Equity Fund - Class C | TAIWAN | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| Columbia Select Global Equity Fund - Class C | FRANCE | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.70% |
| Columbia Select Global Equity Fund - Class C | IRELAND | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| Columbia Select Global Equity Fund - Class C | INDIA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.60% |
| Columbia Select Global Equity Fund - Class C | GERMANY | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Columbia Select Global Equity Fund - Class C | SPAIN | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Columbia Select Global Equity Fund - Class C | DENMARK | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Columbia Select Global Equity Fund - Class C | Other [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
| Columbia Select Global Equity Fund - Institutional Class | Microsoft Corp. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.20% |
| Columbia Select Global Equity Fund - Institutional Class | NVIDIA Corp. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.60% |
| Columbia Select Global Equity Fund - Institutional Class | MasterCard, Inc., Class A [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.30% |
| Columbia Select Global Equity Fund - Institutional Class | Amazon.com, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.90% |
| Columbia Select Global Equity Fund - Institutional Class | Taiwan Semiconductor Manufacturing Co., Ltd. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| Columbia Select Global Equity Fund - Institutional Class | Linde PLC [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| Columbia Select Global Equity Fund - Institutional Class | Alphabet, Inc., Class A [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| Columbia Select Global Equity Fund - Institutional Class | Keyence Corp. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.20% |
| Columbia Select Global Equity Fund - Institutional Class | Visa, Inc., Class A [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.80% |
| Columbia Select Global Equity Fund - Institutional Class | Schneider Electric SE [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| Columbia Select Global Equity Fund - Institutional Class | Information Technology Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 32.20% |
| Columbia Select Global Equity Fund - Institutional Class | Financial Services Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 16.30% |
| Columbia Select Global Equity Fund - Institutional Class | Healthcare Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.40% |
| Columbia Select Global Equity Fund - Institutional Class | Industrial Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.60% |
| Columbia Select Global Equity Fund - Institutional Class | Consumer Discretionary Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.10% |
| Columbia Select Global Equity Fund - Institutional Class | Materials Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.70% |
| Columbia Select Global Equity Fund - Institutional Class | Communications Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.60% |
| Columbia Select Global Equity Fund - Institutional Class | Consumer Staples Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Columbia Select Global Equity Fund - Institutional Class | Unclassified Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.40% |
| Columbia Select Global Equity Fund - Institutional Class | UNITED STATES | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 70% |
| Columbia Select Global Equity Fund - Institutional Class | UNITED KINGDOM | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.50% |
| Columbia Select Global Equity Fund - Institutional Class | JAPAN | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.70% |
| Columbia Select Global Equity Fund - Institutional Class | TAIWAN | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| Columbia Select Global Equity Fund - Institutional Class | FRANCE | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.70% |
| Columbia Select Global Equity Fund - Institutional Class | IRELAND | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| Columbia Select Global Equity Fund - Institutional Class | INDIA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.60% |
| Columbia Select Global Equity Fund - Institutional Class | GERMANY | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Columbia Select Global Equity Fund - Institutional Class | SPAIN | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Columbia Select Global Equity Fund - Institutional Class | DENMARK | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Columbia Select Global Equity Fund - Institutional Class | Other [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
| Columbia Select Global Equity Fund - Institutional 2 Class | Microsoft Corp. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.20% |
| Columbia Select Global Equity Fund - Institutional 2 Class | NVIDIA Corp. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.60% |
| Columbia Select Global Equity Fund - Institutional 2 Class | MasterCard, Inc., Class A [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.30% |
| Columbia Select Global Equity Fund - Institutional 2 Class | Amazon.com, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.90% |
| Columbia Select Global Equity Fund - Institutional 2 Class | Taiwan Semiconductor Manufacturing Co., Ltd. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| Columbia Select Global Equity Fund - Institutional 2 Class | Linde PLC [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| Columbia Select Global Equity Fund - Institutional 2 Class | Alphabet, Inc., Class A [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| Columbia Select Global Equity Fund - Institutional 2 Class | Keyence Corp. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.20% |
| Columbia Select Global Equity Fund - Institutional 2 Class | Visa, Inc., Class A [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.80% |
| Columbia Select Global Equity Fund - Institutional 2 Class | Schneider Electric SE [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| Columbia Select Global Equity Fund - Institutional 2 Class | Information Technology Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 32.20% |
| Columbia Select Global Equity Fund - Institutional 2 Class | Financial Services Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 16.30% |
| Columbia Select Global Equity Fund - Institutional 2 Class | Healthcare Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.40% |
| Columbia Select Global Equity Fund - Institutional 2 Class | Industrial Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.60% |
| Columbia Select Global Equity Fund - Institutional 2 Class | Consumer Discretionary Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.10% |
| Columbia Select Global Equity Fund - Institutional 2 Class | Materials Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.70% |
| Columbia Select Global Equity Fund - Institutional 2 Class | Communications Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.60% |
| Columbia Select Global Equity Fund - Institutional 2 Class | Consumer Staples Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Columbia Select Global Equity Fund - Institutional 2 Class | Unclassified Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.40% |
| Columbia Select Global Equity Fund - Institutional 2 Class | UNITED STATES | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 70% |
| Columbia Select Global Equity Fund - Institutional 2 Class | UNITED KINGDOM | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.50% |
| Columbia Select Global Equity Fund - Institutional 2 Class | JAPAN | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.70% |
| Columbia Select Global Equity Fund - Institutional 2 Class | TAIWAN | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| Columbia Select Global Equity Fund - Institutional 2 Class | FRANCE | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.70% |
| Columbia Select Global Equity Fund - Institutional 2 Class | IRELAND | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| Columbia Select Global Equity Fund - Institutional 2 Class | INDIA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.60% |
| Columbia Select Global Equity Fund - Institutional 2 Class | GERMANY | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Columbia Select Global Equity Fund - Institutional 2 Class | SPAIN | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Columbia Select Global Equity Fund - Institutional 2 Class | DENMARK | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Columbia Select Global Equity Fund - Institutional 2 Class | Other [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
| Columbia Select Global Equity Fund - Institutional 3 Class | Microsoft Corp. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.20% |
| Columbia Select Global Equity Fund - Institutional 3 Class | NVIDIA Corp. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.60% |
| Columbia Select Global Equity Fund - Institutional 3 Class | MasterCard, Inc., Class A [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.30% |
| Columbia Select Global Equity Fund - Institutional 3 Class | Amazon.com, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.90% |
| Columbia Select Global Equity Fund - Institutional 3 Class | Taiwan Semiconductor Manufacturing Co., Ltd. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| Columbia Select Global Equity Fund - Institutional 3 Class | Linde PLC [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| Columbia Select Global Equity Fund - Institutional 3 Class | Alphabet, Inc., Class A [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| Columbia Select Global Equity Fund - Institutional 3 Class | Keyence Corp. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.20% |
| Columbia Select Global Equity Fund - Institutional 3 Class | Visa, Inc., Class A [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.80% |
| Columbia Select Global Equity Fund - Institutional 3 Class | Schneider Electric SE [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.70% |
| Columbia Select Global Equity Fund - Institutional 3 Class | Information Technology Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 32.20% |
| Columbia Select Global Equity Fund - Institutional 3 Class | Financial Services Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 16.30% |
| Columbia Select Global Equity Fund - Institutional 3 Class | Healthcare Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.40% |
| Columbia Select Global Equity Fund - Institutional 3 Class | Industrial Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.60% |
| Columbia Select Global Equity Fund - Institutional 3 Class | Consumer Discretionary Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.10% |
| Columbia Select Global Equity Fund - Institutional 3 Class | Materials Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.70% |
| Columbia Select Global Equity Fund - Institutional 3 Class | Communications Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.60% |
| Columbia Select Global Equity Fund - Institutional 3 Class | Consumer Staples Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| Columbia Select Global Equity Fund - Institutional 3 Class | Unclassified Sector [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.40% |
| Columbia Select Global Equity Fund - Institutional 3 Class | UNITED STATES | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 70% |
| Columbia Select Global Equity Fund - Institutional 3 Class | UNITED KINGDOM | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.50% |
| Columbia Select Global Equity Fund - Institutional 3 Class | JAPAN | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.70% |
| Columbia Select Global Equity Fund - Institutional 3 Class | TAIWAN | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.30% |
| Columbia Select Global Equity Fund - Institutional 3 Class | FRANCE | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.70% |
| Columbia Select Global Equity Fund - Institutional 3 Class | IRELAND | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.80% |
| Columbia Select Global Equity Fund - Institutional 3 Class | INDIA | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.60% |
| Columbia Select Global Equity Fund - Institutional 3 Class | GERMANY | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Columbia Select Global Equity Fund - Institutional 3 Class | SPAIN | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.20% |
| Columbia Select Global Equity Fund - Institutional 3 Class | DENMARK | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.10% |
| Columbia Select Global Equity Fund - Institutional 3 Class | Other [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.90% |
