Columbia Funds Series Trust II N-CSRS 5 Nov 24 Certified semi-annual shareholder report (management investment company) Financial data

Form N-CSR Cover

Form N-CSR Cover	6 Months Ended
	Aug. 31, 2024
Shareholder Report [Line Items]
Document Type	N-CSRS
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	Aug. 31, 2024

Shareholder Report

Shareholder Report	6 Months Ended
	Aug. 31, 2024 USD ($) Holding
Shareholder Report [Line Items]
Document Type	N-CSRS
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	Aug. 31, 2024
Columbia Overseas Core Fund - Class A
Shareholder Report [Line Items]
Fund Name	Columbia Overseas Core Fund
Class Name	Class A
Trading Symbol	COSAX
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 $ 1.21 %
Expenses Paid, Amount	$ 64
Expense Ratio, Percent	1.21%
Net Assets	$ 941,866,915
Holdings Count | Holding	120
Investment Company, Portfolio Turnover	23%
Additional Fund Statistics [Text Block]	Key Fund Statistics Fund net assets $ Total number of portfolio holdings 120 Portfolio turnover for 23%
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 Top Holdings AstraZeneca PLC, ADR 2.7 % Shell PLC 2.4 % Sanofi SA 2.4 % Novo Nordisk A/S, Class B 2.2 % Check Point Software Technologies Ltd. 2.1 % Mitsubishi UFJ Financial Group, Inc. 2.1 % ITOCHU Corp. 2.0 % Northern Star Resources Ltd. 2.0 % TOPPAN Holdings, Inc. 2.0 % ASR Nederland NV 1.9 % Equity Sector Allocation Geographic Allocation
Largest Holdings [Text Block]	Top Holdings AstraZeneca PLC, ADR 2.7 % Shell PLC 2.4 % Sanofi SA 2.4 % Novo Nordisk A/S, Class B 2.2 % Check Point Software Technologies Ltd. 2.1 % Mitsubishi UFJ Financial Group, Inc. 2.1 % ITOCHU Corp. 2.0 % Northern Star Resources Ltd. 2.0 % TOPPAN Holdings, Inc. 2.0 % ASR Nederland NV 1.9 %
Columbia Overseas Core Fund - Advisor Class
Shareholder Report [Line Items]
Fund Name	Columbia Overseas Core Fund
Class Name	Advisor Class
Trading Symbol	COSDX
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 $ 0.96 %
Expenses Paid, Amount	$ 51
Expense Ratio, Percent	0.96%
Net Assets	$ 941,866,915
Holdings Count | Holding	120
Investment Company, Portfolio Turnover	23%
Additional Fund Statistics [Text Block]	Key Fund Statistics Fund net assets $ Total number of portfolio holdings 120 Portfolio turnover for the reporting period 23%
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 Top Holdings AstraZeneca PLC, ADR 2.7 % Shell PLC 2.4 % Sanofi SA 2.4 % Novo Nordisk A/S, Class B 2.2 % Check Point Software Technologies Ltd. 2.1 % Mitsubishi UFJ Financial Group, Inc. 2.1 % ITOCHU Corp. 2.0 % Northern Star Resources Ltd. 2.0 % TOPPAN Holdings, Inc. 2.0 % ASR Nederland NV 1.9 % Equity Sector Allocation Geographic Allocation
Largest Holdings [Text Block]	Top Holdings AstraZeneca PLC, ADR 2.7 % Shell PLC 2.4 % Sanofi SA 2.4 % Novo Nordisk A/S, Class B 2.2 % Check Point Software Technologies Ltd. 2.1 % Mitsubishi UFJ Financial Group, Inc. 2.1 % ITOCHU Corp. 2.0 % Northern Star Resources Ltd. 2.0 % TOPPAN Holdings, Inc. 2.0 % ASR Nederland NV 1.9 %
Columbia Overseas Core Fund - Institutional Class
Shareholder Report [Line Items]
Fund Name	Columbia Overseas Core Fund
Class Name	Institutional Class
Trading Symbol	COSNX
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 Class Cost of a $10,000 investment Cost paid as a percentage of a $10,000 investment Institutional Class $ 0.96 %
Expenses Paid, Amount	$ 51
Expense Ratio, Percent	0.96%
Net Assets	$ 941,866,915
Holdings Count | Holding	120
Investment Company, Portfolio Turnover	23%
Additional Fund Statistics [Text Block]	Key Fund Statistics Fund net assets $ Total number of portfolio holdings 120 Portfolio turnover for the reporting period 23%
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. Top Holdings AstraZeneca PLC, ADR 2.7 % Shell PLC 2.4 % Sanofi SA 2.4 % Novo Nordisk A/S, Class 2.2 % Check Point Software Technologies Ltd. 2.1 % Mitsubishi UFJ Financial Group, Inc. 2.1 % ITOCHU Corp. 2.0 % Northern Star Resources Ltd. 2.0 % TOPPAN Holdings, Inc. 2.0 % ASR Nederland NV 1.9 % Equity Sector Allocation Geographic Allocation
Largest Holdings [Text Block]	Top Holdings AstraZeneca PLC, ADR 2.7 % Shell PLC 2.4 % Sanofi SA 2.4 % Novo Nordisk A/S, Class 2.2 % Check Point Software Technologies Ltd. 2.1 % Mitsubishi UFJ Financial Group, Inc. 2.1 % ITOCHU Corp. 2.0 % Northern Star Resources Ltd. 2.0 % TOPPAN Holdings, Inc. 2.0 % ASR Nederland NV 1.9 %
Columbia Overseas Core Fund - Institutional 2 Class
Shareholder Report [Line Items]
Fund Name	Columbia Overseas Core Fund
Class Name	Institutional 2 Class
Trading Symbol	COSTX
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 $ 0.90 %
Expenses Paid, Amount	$ 48
Expense Ratio, Percent	0.90%
Net Assets	$ 941,866,915
Holdings Count | Holding	120
Investment Company, Portfolio Turnover	23%
Additional Fund Statistics [Text Block]	Key Fund Statistics Fund net assets $ Total number of portfolio holdings 120 Portfolio turnover for the reporting period 23%
Holdings [Text Block]	Graphical Re 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. Top Holdings AstraZeneca PLC, ADR 2.7 % Shell PLC 2.4 % Sanofi SA 2.4 % Novo Nordisk A/S, Class B 2.2 % Check Point Software Technologies Ltd. 2.1 % Mitsubishi UFJ Financial Group, Inc. 2.1 % ITOCHU Corp. 2.0 % Northern Star Resources Ltd. 2.0 % TOPPAN Holdings, Inc. 2.0 % ASR Nederland NV 1.9 % Equity Sector Allocation Geographic Allocation
Largest Holdings [Text Block]	Top Holdings AstraZeneca PLC, ADR 2.7 % Shell PLC 2.4 % Sanofi SA 2.4 % Novo Nordisk A/S, Class B 2.2 % Check Point Software Technologies Ltd. 2.1 % Mitsubishi UFJ Financial Group, Inc. 2.1 % ITOCHU Corp. 2.0 % Northern Star Resources Ltd. 2.0 % TOPPAN Holdings, Inc. 2.0 % ASR Nederland NV 1.9 %
Columbia Overseas Core Fund Institutional 3 Class
Shareholder Report [Line Items]
Fund Name	Columbia Overseas Core Fund
Class Name	Institutional 3 Class
Trading Symbol	COSOX
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 3 Class $ 0.83 %
Expenses Paid, Amount	$ 44
Expense Ratio, Percent	0.83%
Net Assets	$ 941,866,915
Holdings Count | Holding	120
Investment Company, Portfolio Turnover	23%
Additional Fund Statistics [Text Block]	Key Fund Statistics Fund net assets $ Total number of portfolio holdings 120 Portfolio turnover for the reporting period 23%
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. Top AstraZeneca PLC, ADR 2.7 % Shell PLC 2.4 % Sanofi SA 2.4 % Novo Nordisk A/S, Class B 2.2 % Check Point Software Technologies Ltd. 2.1 % Mitsubishi UFJ Financial Group, Inc. 2.1 % ITOCHU Corp. 2.0 % Northern Star Resources Ltd. 2.0 % TOPPAN Holdings, Inc. 2.0 % ASR Nederland NV 1.9 % Equity Sector Allocation Geographic Allocation
Largest Holdings [Text Block]	Top AstraZeneca PLC, ADR 2.7 % Shell PLC 2.4 % Sanofi SA 2.4 % Novo Nordisk A/S, Class B 2.2 % Check Point Software Technologies Ltd. 2.1 % Mitsubishi UFJ Financial Group, Inc. 2.1 % ITOCHU Corp. 2.0 % Northern Star Resources Ltd. 2.0 % TOPPAN Holdings, Inc. 2.0 % ASR Nederland NV 1.9 %
Columbia Overseas Core Fund Class R
Shareholder Report [Line Items]
Fund Name	Columbia Overseas Core Fund
Class Name	Class R
Trading Symbol	COSRX
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 R $ 1.46 %
Expenses Paid, Amount	$ 77
Expense Ratio, Percent	1.46%
Net Assets	$ 941,866,915
Holdings Count | Holding	120
Investment Company, Portfolio Turnover	23%
Additional Fund Statistics [Text Block]	Key Fund Statistics Fund net assets $ Total number of portfolio holdings 120 Portfolio turnover for the reporting period 23%
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 Top AstraZeneca PLC, ADR 2.7 % Shell PLC 2.4 % Sanofi SA 2.4 % Novo Nordisk A/S, Class B 2.2 % Check Point Software Technologies Ltd. 2.1 % Mitsubishi UFJ Financial Group, Inc. 2.1 % ITOCHU Corp. 2.0 % Northern Star Resources Ltd. 2.0 % TOPPAN Holdings, Inc. 2.0 % ASR Nederland NV 1.9 % Equity Sector Allocation Geographic Allocation
Largest Holdings [Text Block]	Top AstraZeneca PLC, ADR 2.7 % Shell PLC 2.4 % Sanofi SA 2.4 % Novo Nordisk A/S, Class B 2.2 % Check Point Software Technologies Ltd. 2.1 % Mitsubishi UFJ Financial Group, Inc. 2.1 % ITOCHU Corp. 2.0 % Northern Star Resources Ltd. 2.0 % TOPPAN Holdings, Inc. 2.0 % ASR Nederland NV 1.9 %

Shareholder Report, Holdings (D

Shareholder Report, Holdings (Details)	Aug. 31, 2024
Columbia Overseas Core Fund Class R | AstraZeneca PLC, ADR [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.70%
Columbia Overseas Core Fund Class R | Shell PLC [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.40%
Columbia Overseas Core Fund Class R | Sanofi SA [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.40%
Columbia Overseas Core Fund Class R | Novo Nordisk A/S, Class B [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.20%
Columbia Overseas Core Fund Class R | Check Point Software Technologies Ltd. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.10%
Columbia Overseas Core Fund Class R | Mitsubishi UFJ Financial Group, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.10%
Columbia Overseas Core Fund Class R | ITOCHU Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2%
Columbia Overseas Core Fund Class R | Northern Star Resources Ltd. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2%
Columbia Overseas Core Fund Class R | TOPPAN Holdings, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2%
Columbia Overseas Core Fund Class R | ASR Nederland NV [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.90%
Columbia Overseas Core Fund Class R | Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	16.50%
Columbia Overseas Core Fund Class R | Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	15%
Columbia Overseas Core Fund Class R | Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	13.20%
Columbia Overseas Core Fund Class R | Healthcare Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.60%
Columbia Overseas Core Fund Class R | Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.10%
Columbia Overseas Core Fund Class R | Energy Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.50%
Columbia Overseas Core Fund Class R | Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.10%
Columbia Overseas Core Fund Class R | Materials Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.80%
Columbia Overseas Core Fund Class R | Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	4.50%
Columbia Overseas Core Fund Class R | Unclassified Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.90%
Columbia Overseas Core Fund Class R | JAPAN
Holdings [Line Items]
Percent of Net Asset Value	24.60%
Columbia Overseas Core Fund Class R | Other [Member]
Holdings [Line Items]
Percent of Net Asset Value	20.50%
Columbia Overseas Core Fund Class R | NETHERLANDS
Holdings [Line Items]
Percent of Net Asset Value	11.40%
Columbia Overseas Core Fund Class R | FRANCE
Holdings [Line Items]
Percent of Net Asset Value	10%
Columbia Overseas Core Fund Class R | UNITED KINGDOM
Holdings [Line Items]
Percent of Net Asset Value	9.30%
Columbia Overseas Core Fund Class R | UNITED STATES
Holdings [Line Items]
Percent of Net Asset Value	5.10%
Columbia Overseas Core Fund Class R | CANADA
Holdings [Line Items]
Percent of Net Asset Value	4.90%
Columbia Overseas Core Fund Class R | AUSTRALIA
Holdings [Line Items]
Percent of Net Asset Value	4%
Columbia Overseas Core Fund Class R | SWITZERLAND
Holdings [Line Items]
Percent of Net Asset Value	3.50%
Columbia Overseas Core Fund Class R | GERMANY
Holdings [Line Items]
Percent of Net Asset Value	3.10%
Columbia Overseas Core Fund Class R | ISRAEL
Holdings [Line Items]
Percent of Net Asset Value	2.90%
Columbia Overseas Core Fund Institutional 3 Class | AstraZeneca PLC, ADR [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.70%
Columbia Overseas Core Fund Institutional 3 Class | Shell PLC [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.40%
Columbia Overseas Core Fund Institutional 3 Class | Sanofi SA [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.40%
Columbia Overseas Core Fund Institutional 3 Class | Novo Nordisk A/S, Class B [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.20%
Columbia Overseas Core Fund Institutional 3 Class | Check Point Software Technologies Ltd. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.10%
Columbia Overseas Core Fund Institutional 3 Class | Mitsubishi UFJ Financial Group, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.10%
Columbia Overseas Core Fund Institutional 3 Class | ITOCHU Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2%
Columbia Overseas Core Fund Institutional 3 Class | Northern Star Resources Ltd. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2%
Columbia Overseas Core Fund Institutional 3 Class | TOPPAN Holdings, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2%
Columbia Overseas Core Fund Institutional 3 Class | ASR Nederland NV [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.90%
Columbia Overseas Core Fund Institutional 3 Class | Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	16.50%
Columbia Overseas Core Fund Institutional 3 Class | Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	15%
Columbia Overseas Core Fund Institutional 3 Class | Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	13.20%
Columbia Overseas Core Fund Institutional 3 Class | Healthcare Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.60%
Columbia Overseas Core Fund Institutional 3 Class | Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.10%
Columbia Overseas Core Fund Institutional 3 Class | Energy Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.50%
Columbia Overseas Core Fund Institutional 3 Class | Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.10%
Columbia Overseas Core Fund Institutional 3 Class | Materials Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.80%
Columbia Overseas Core Fund Institutional 3 Class | Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	4.50%
Columbia Overseas Core Fund Institutional 3 Class | Unclassified Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.90%
Columbia Overseas Core Fund Institutional 3 Class | JAPAN
Holdings [Line Items]
Percent of Net Asset Value	24.60%
Columbia Overseas Core Fund Institutional 3 Class | Other [Member]
Holdings [Line Items]
Percent of Net Asset Value	20.50%
Columbia Overseas Core Fund Institutional 3 Class | NETHERLANDS
Holdings [Line Items]
Percent of Net Asset Value	11.40%
Columbia Overseas Core Fund Institutional 3 Class | FRANCE
Holdings [Line Items]
Percent of Net Asset Value	10%
Columbia Overseas Core Fund Institutional 3 Class | UNITED KINGDOM
Holdings [Line Items]
Percent of Net Asset Value	9.30%
Columbia Overseas Core Fund Institutional 3 Class | UNITED STATES
Holdings [Line Items]
Percent of Net Asset Value	5.10%
Columbia Overseas Core Fund Institutional 3 Class | CANADA
Holdings [Line Items]
Percent of Net Asset Value	4.90%
Columbia Overseas Core Fund Institutional 3 Class | AUSTRALIA
Holdings [Line Items]
Percent of Net Asset Value	4%
Columbia Overseas Core Fund Institutional 3 Class | SWITZERLAND
Holdings [Line Items]
Percent of Net Asset Value	3.50%
Columbia Overseas Core Fund Institutional 3 Class | GERMANY
Holdings [Line Items]
Percent of Net Asset Value	3.10%
Columbia Overseas Core Fund Institutional 3 Class | ISRAEL
Holdings [Line Items]
Percent of Net Asset Value	2.90%
Columbia Overseas Core Fund - Institutional 2 Class | AstraZeneca PLC, ADR [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.70%
Columbia Overseas Core Fund - Institutional 2 Class | Shell PLC [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.40%
Columbia Overseas Core Fund - Institutional 2 Class | Sanofi SA [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.40%
Columbia Overseas Core Fund - Institutional 2 Class | Novo Nordisk A/S, Class B [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.20%
Columbia Overseas Core Fund - Institutional 2 Class | Check Point Software Technologies Ltd. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.10%
Columbia Overseas Core Fund - Institutional 2 Class | Mitsubishi UFJ Financial Group, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.10%
Columbia Overseas Core Fund - Institutional 2 Class | ITOCHU Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2%
Columbia Overseas Core Fund - Institutional 2 Class | Northern Star Resources Ltd. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2%
Columbia Overseas Core Fund - Institutional 2 Class | TOPPAN Holdings, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2%
Columbia Overseas Core Fund - Institutional 2 Class | ASR Nederland NV [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.90%
Columbia Overseas Core Fund - Institutional 2 Class | Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	16.50%
Columbia Overseas Core Fund - Institutional 2 Class | Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	15%
Columbia Overseas Core Fund - Institutional 2 Class | Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	13.20%
Columbia Overseas Core Fund - Institutional 2 Class | Healthcare Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.60%
Columbia Overseas Core Fund - Institutional 2 Class | Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.10%
Columbia Overseas Core Fund - Institutional 2 Class | Energy Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.50%
Columbia Overseas Core Fund - Institutional 2 Class | Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.10%
Columbia Overseas Core Fund - Institutional 2 Class | Materials Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.80%
Columbia Overseas Core Fund - Institutional 2 Class | Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	4.50%
Columbia Overseas Core Fund - Institutional 2 Class | Unclassified Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.90%
Columbia Overseas Core Fund - Institutional 2 Class | JAPAN
Holdings [Line Items]
Percent of Net Asset Value	24.60%
Columbia Overseas Core Fund - Institutional 2 Class | Other [Member]
Holdings [Line Items]
Percent of Net Asset Value	20.50%
Columbia Overseas Core Fund - Institutional 2 Class | NETHERLANDS
Holdings [Line Items]
Percent of Net Asset Value	11.40%
Columbia Overseas Core Fund - Institutional 2 Class | FRANCE
Holdings [Line Items]
Percent of Net Asset Value	10%
Columbia Overseas Core Fund - Institutional 2 Class | UNITED KINGDOM
Holdings [Line Items]
Percent of Net Asset Value	9.30%
Columbia Overseas Core Fund - Institutional 2 Class | UNITED STATES
Holdings [Line Items]
Percent of Net Asset Value	5.10%
Columbia Overseas Core Fund - Institutional 2 Class | CANADA
Holdings [Line Items]
Percent of Net Asset Value	4.90%
Columbia Overseas Core Fund - Institutional 2 Class | AUSTRALIA
Holdings [Line Items]
Percent of Net Asset Value	4%
Columbia Overseas Core Fund - Institutional 2 Class | SWITZERLAND
Holdings [Line Items]
Percent of Net Asset Value	3.50%
Columbia Overseas Core Fund - Institutional 2 Class | GERMANY
Holdings [Line Items]
Percent of Net Asset Value	3.10%
Columbia Overseas Core Fund - Institutional 2 Class | ISRAEL
Holdings [Line Items]
Percent of Net Asset Value	2.90%
Columbia Overseas Core Fund - Institutional Class | AstraZeneca PLC, ADR [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.70%
Columbia Overseas Core Fund - Institutional Class | Shell PLC [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.40%
Columbia Overseas Core Fund - Institutional Class | Sanofi SA [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.40%
Columbia Overseas Core Fund - Institutional Class | Novo Nordisk A/S, Class B [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.20%
Columbia Overseas Core Fund - Institutional Class | Check Point Software Technologies Ltd. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.10%
Columbia Overseas Core Fund - Institutional Class | Mitsubishi UFJ Financial Group, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.10%
Columbia Overseas Core Fund - Institutional Class | ITOCHU Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2%
Columbia Overseas Core Fund - Institutional Class | Northern Star Resources Ltd. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2%
Columbia Overseas Core Fund - Institutional Class | TOPPAN Holdings, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2%
Columbia Overseas Core Fund - Institutional Class | ASR Nederland NV [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.90%
Columbia Overseas Core Fund - Institutional Class | Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	16.50%
Columbia Overseas Core Fund - Institutional Class | Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	15%
Columbia Overseas Core Fund - Institutional Class | Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	13.20%
Columbia Overseas Core Fund - Institutional Class | Healthcare Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.60%
Columbia Overseas Core Fund - Institutional Class | Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.10%
Columbia Overseas Core Fund - Institutional Class | Energy Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.50%
Columbia Overseas Core Fund - Institutional Class | Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.10%
Columbia Overseas Core Fund - Institutional Class | Materials Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.80%
Columbia Overseas Core Fund - Institutional Class | Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	4.50%
Columbia Overseas Core Fund - Institutional Class | Unclassified Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.90%
Columbia Overseas Core Fund - Institutional Class | JAPAN
Holdings [Line Items]
Percent of Net Asset Value	24.60%
Columbia Overseas Core Fund - Institutional Class | Other [Member]
Holdings [Line Items]
Percent of Net Asset Value	20.50%
Columbia Overseas Core Fund - Institutional Class | NETHERLANDS
Holdings [Line Items]
Percent of Net Asset Value	11.40%
Columbia Overseas Core Fund - Institutional Class | FRANCE
Holdings [Line Items]
Percent of Net Asset Value	10%
Columbia Overseas Core Fund - Institutional Class | UNITED KINGDOM
Holdings [Line Items]
Percent of Net Asset Value	9.30%
Columbia Overseas Core Fund - Institutional Class | UNITED STATES
Holdings [Line Items]
Percent of Net Asset Value	5.10%
Columbia Overseas Core Fund - Institutional Class | CANADA
Holdings [Line Items]
Percent of Net Asset Value	4.90%
Columbia Overseas Core Fund - Institutional Class | AUSTRALIA
Holdings [Line Items]
Percent of Net Asset Value	4%
Columbia Overseas Core Fund - Institutional Class | SWITZERLAND
Holdings [Line Items]
Percent of Net Asset Value	3.50%
Columbia Overseas Core Fund - Institutional Class | GERMANY
Holdings [Line Items]
Percent of Net Asset Value	3.10%
Columbia Overseas Core Fund - Institutional Class | ISRAEL
Holdings [Line Items]
Percent of Net Asset Value	2.90%
Columbia Overseas Core Fund - Advisor Class | AstraZeneca PLC, ADR [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.70%
Columbia Overseas Core Fund - Advisor Class | Shell PLC [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.40%
Columbia Overseas Core Fund - Advisor Class | Sanofi SA [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.40%
Columbia Overseas Core Fund - Advisor Class | Novo Nordisk A/S, Class B [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.20%
Columbia Overseas Core Fund - Advisor Class | Check Point Software Technologies Ltd. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.10%
Columbia Overseas Core Fund - Advisor Class | Mitsubishi UFJ Financial Group, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.10%
Columbia Overseas Core Fund - Advisor Class | ITOCHU Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2%
Columbia Overseas Core Fund - Advisor Class | Northern Star Resources Ltd. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2%
Columbia Overseas Core Fund - Advisor Class | TOPPAN Holdings, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2%
Columbia Overseas Core Fund - Advisor Class | ASR Nederland NV [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.90%
Columbia Overseas Core Fund - Advisor Class | Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	16.50%
Columbia Overseas Core Fund - Advisor Class | Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	15%
Columbia Overseas Core Fund - Advisor Class | Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	13.20%
Columbia Overseas Core Fund - Advisor Class | Healthcare Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.60%
Columbia Overseas Core Fund - Advisor Class | Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.10%
Columbia Overseas Core Fund - Advisor Class | Energy Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.50%
Columbia Overseas Core Fund - Advisor Class | Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.10%
Columbia Overseas Core Fund - Advisor Class | Materials Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.80%
Columbia Overseas Core Fund - Advisor Class | Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	4.50%
Columbia Overseas Core Fund - Advisor Class | Unclassified Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.90%
Columbia Overseas Core Fund - Advisor Class | JAPAN
Holdings [Line Items]
Percent of Net Asset Value	24.60%
Columbia Overseas Core Fund - Advisor Class | Other [Member]
Holdings [Line Items]
Percent of Net Asset Value	20.50%
Columbia Overseas Core Fund - Advisor Class | NETHERLANDS
Holdings [Line Items]
Percent of Net Asset Value	11.40%
Columbia Overseas Core Fund - Advisor Class | FRANCE
Holdings [Line Items]
Percent of Net Asset Value	10%
Columbia Overseas Core Fund - Advisor Class | UNITED KINGDOM
Holdings [Line Items]
Percent of Net Asset Value	9.30%
Columbia Overseas Core Fund - Advisor Class | UNITED STATES
Holdings [Line Items]
Percent of Net Asset Value	5.10%
Columbia Overseas Core Fund - Advisor Class | CANADA
Holdings [Line Items]
Percent of Net Asset Value	4.90%
Columbia Overseas Core Fund - Advisor Class | AUSTRALIA
Holdings [Line Items]
Percent of Net Asset Value	4%
Columbia Overseas Core Fund - Advisor Class | SWITZERLAND
Holdings [Line Items]
Percent of Net Asset Value	3.50%
Columbia Overseas Core Fund - Advisor Class | GERMANY
Holdings [Line Items]
Percent of Net Asset Value	3.10%
Columbia Overseas Core Fund - Advisor Class | ISRAEL
Holdings [Line Items]
Percent of Net Asset Value	2.90%
Columbia Overseas Core Fund - Class A | AstraZeneca PLC, ADR [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.70%
Columbia Overseas Core Fund - Class A | Shell PLC [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.40%
Columbia Overseas Core Fund - Class A | Sanofi SA [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.40%
Columbia Overseas Core Fund - Class A | Novo Nordisk A/S, Class B [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.20%
Columbia Overseas Core Fund - Class A | Check Point Software Technologies Ltd. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.10%
Columbia Overseas Core Fund - Class A | Mitsubishi UFJ Financial Group, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2.10%
Columbia Overseas Core Fund - Class A | ITOCHU Corp. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2%
Columbia Overseas Core Fund - Class A | Northern Star Resources Ltd. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2%
Columbia Overseas Core Fund - Class A | TOPPAN Holdings, Inc. [Member]
Holdings [Line Items]
Percent of Net Asset Value	2%
Columbia Overseas Core Fund - Class A | ASR Nederland NV [Member]
Holdings [Line Items]
Percent of Net Asset Value	1.90%
Columbia Overseas Core Fund - Class A | Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	16.50%
Columbia Overseas Core Fund - Class A | Industrial Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	15%
Columbia Overseas Core Fund - Class A | Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	13.20%
Columbia Overseas Core Fund - Class A | Healthcare Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.60%
Columbia Overseas Core Fund - Class A | Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.10%
Columbia Overseas Core Fund - Class A | Energy Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.50%
Columbia Overseas Core Fund - Class A | Consumer Staples Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	8.10%
Columbia Overseas Core Fund - Class A | Materials Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	5.80%
Columbia Overseas Core Fund - Class A | Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	4.50%
Columbia Overseas Core Fund - Class A | Unclassified Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	0.90%
Columbia Overseas Core Fund - Class A | JAPAN
Holdings [Line Items]
Percent of Net Asset Value	24.60%
Columbia Overseas Core Fund - Class A | Other [Member]
Holdings [Line Items]
Percent of Net Asset Value	20.50%
Columbia Overseas Core Fund - Class A | NETHERLANDS
Holdings [Line Items]
Percent of Net Asset Value	11.40%
Columbia Overseas Core Fund - Class A | FRANCE
Holdings [Line Items]
Percent of Net Asset Value	10%
Columbia Overseas Core Fund - Class A | UNITED KINGDOM
Holdings [Line Items]
Percent of Net Asset Value	9.30%
Columbia Overseas Core Fund - Class A | UNITED STATES
Holdings [Line Items]
Percent of Net Asset Value	5.10%
Columbia Overseas Core Fund - Class A | CANADA
Holdings [Line Items]
Percent of Net Asset Value	4.90%
Columbia Overseas Core Fund - Class A | AUSTRALIA
Holdings [Line Items]
Percent of Net Asset Value	4%
Columbia Overseas Core Fund - Class A | SWITZERLAND
Holdings [Line Items]
Percent of Net Asset Value	3.50%
Columbia Overseas Core Fund - Class A | GERMANY
Holdings [Line Items]
Percent of Net Asset Value	3.10%
Columbia Overseas Core Fund - Class A | ISRAEL
Holdings [Line Items]
Percent of Net Asset Value	2.90%