Prospectus: Risk/Return: Document Type Document Period End Date Registrant Name Central Index Key Amendment Flag Amendment Description Trading Symbol Document Creation Date Document Effective Date Prospectus Date Document [Axis] Prospectus Performance Measure [Axis] Before Taxes After Taxes on Distributions and Sales shares returns after taxes on distributions and redemption of fund shares After Taxes on Distributions shares returns after taxes on distributions Series [Axis] Series Columbia Income Opportunities Fund Columbia Income Opportunities Fund Member S000031352 [Member] Share Class [Axis] Share Classes C000097410 [Member] Class A Columbia Income Opportunities Fund Class A,Columbia Income Opportunities Fund Member Class B C000097411 [Member] Columbia Income Opportunities Fund Class B,Columbia Income Opportunities Fund Member C000097412 [Member] Columbia Income Opportunities Fund Class C,Columbia Income Opportunities Fund Member Class C Columbia Income Opportunities Fund Class I,Columbia Income Opportunities Fund Member C000097413 [Member] Class I Columbia Income Opportunities Fund Class K,Columbia Income Opportunities Fund Member Class K C000097415 [Member] Class R C000097414 [Member] Columbia Income Opportunities Fund Class R,Columbia Income Opportunities Fund Member Columbia Income Opportunities Fund Class R4,Columbia Income Opportunities Fund Member Class R4 C000122756 [Member] C000122757 [Member] Columbia Income Opportunities Fund Class R5,Columbia Income Opportunities Fund Member Class R5 Class W Columbia Income Opportunities Fund Class W,Columbia Income Opportunities Fund Member C000097416 [Member] Class Y C000097417 [Member] Columbia Income Opportunities Fund Class Y,Columbia Income Opportunities Fund Member C000097418 [Member] Columbia Income Opportunities Fund Class Z,Columbia Income Opportunities Fund Member Class Z Risk/Return [Heading] Objective [Heading] Objective, Primary [Text Block] Objective, Secondary [Text Block] Expense [Heading] Expense Narrative [Text Block] Shareholder Fees Caption [Text] Shareholder Fees [Table] Operating Expenses Caption [Text] Annual Fund Operating Expenses [Table] Expense Footnotes [Text Block] Expenses Range of Exchange Fees [Text Block] Expense Example [Heading] Expense Example by Year [Heading] Expense Example Narrative [Text Block] Expense Example by, Year, Caption [Text] Expense Example, With Redemption [Table] Expense Example, No Redemption Narrative [Text Block] Expense Example, No Redemption, By Year, Caption [Text] Expense Example, No Redemption [Table] Expense Example Footnotes [Text Block] Expense Example Closing [Text Block] Portfolio Turnover [Heading] Portfolio Turnover [Text Block] Strategy [Heading] Strategy Narrative [Text Block] Risk [Heading] Risk Narrative [Text Block] Risk Footnotes [Text Block] Risk Closing [Text Block] Bar Chart and Performance Table [Heading] Performance Narrative [Text Block] Bar Chart Narrative [Text Block] Bar Chart [Heading] Bar Chart [Table] Bar Chart Footnotes [Text Block] Caption Annual Return Caption [Text] Bar Chart Closing [Text Block] Performance Table Heading Performance Table Narrative Performance [Table] Market Index Performance [Table] Performance Table Footnotes Shareholder Fees: Maximum sales charge (load) imposed on purchases, as a % of offering price Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) Maximum deferred sales charge (load) imposed on redemptions, as a % of the lower of the original purchase price or current net asset value Maximum Deferred Sales Charge (as a percentage) Shareholder Fees Column [Text] Maximum Cumulative Sales Charge (as a percentage of Offering Price) Maximum Cumulative Sales Charge (as a percentage) Maximum Deferred Sales Charge (as a percentage of Offering Price) Maximum Sales Charge on Reinvested Dividends and Distributions (as a percentage) Redemption Fee (as a percentage of Amount Redeemed) Redemption Fee (as a percentage of Amount Redeemed) Redemption Fee Redemption Fee Exchange Fee (as a percentage of Amount Redeemed) Exchange Fee Maximum Account Fee (as a percentage of Assets) Maximum Account Fee Shareholder Fee, Other Operating Expenses: Management fees Management Fees (as a percentage of Assets) Distribution and/or service (12b-1) fees Distribution and Service (12b-1) Fees Other expenses Other Expenses (as a percentage of Assets): Other Expenses Total annual fund operating expenses Expenses (as a percentage of Assets) Total annual fund operating expenses Less: Fee waiver/expense reimbursement Fee Waiver or Reimbursement Total annual fund operating expenses after fee waiver/expense reimbursement Net Expenses (as a percentage of Assets) Total annual fund operating expenses after fee waiver/expense reimbursement Operating Expenses Column [Text] Distribution or Similar (Non 12b-1) Fees Component1 Other Expenses Component2 Other Expenses Component3 Other Expenses Acquired Fund Fees and Expenses Acquired fund fees and expenses Expense Example: 1 year Expense Example, with Redemption, 1 Year 3 years Expense Example, with Redemption, 3 Years 5 years Expense Example, with Redemption, 5 Years 10 years Expense Example, with Redemption, 10 Years Expense Example, By Year, Column [Text] Column Expense Example, No Redemption: 1 year Expense Example, No Redemption, 1 Year 3 years Expense Example, No Redemption, 3 Years 5 years Expense Example, No Redemption, 5 Years 10 years Expense Example, No Redemption, 10 Years Column Expense Example, No Redemption, By Year, Column [Text] Bar Chart Table: Column Annual Return, Column [Text] Annual Return, Inception Date Inception Date Annual Return 1990 Annual Return 1991 Annual Return 1992 Annual Return 1993 Annual Return 1994 Annual Return 1995 Annual Return 1996 Annual Return 1997 Annual Return 1998 Annual Return 1999 Annual Return 2000 Annual Return 2001 2002 Annual Return 2002 Annual Return 2003 2003 Annual Return 2004 2004 Annual Return 2005 2005 Annual Return 2006 2006 2007 Annual Return 2007 2008 Annual Return 2008 2009 Annual Return 2009 Annual Return 2010 2010 2011 Annual Return 2011 Annual Return 2012 Annual Return 2013 Annual Return 2014 Annual Return 2015 Annual Return 2016 Annual Return 2017 Annual Return 2018 Annual Return 2019 Annual Return 2020 Merrill Lynch U.S. High Yield Cash Pay BB-B Rated Constrained Index (reflects no deduction for fees, expenses or taxes) Merrill Lynch U.S. High Yield Cash Pay BB-B Rated Constrained Index (reflects no deduction for fees, expenses or taxes). Merrill Lynch Index [Member] Average Annual Return: Share Class Inception Date Inception Date 1 year 1 Year 5 years 5 Years Life of Fund Since Inception Label 10 Years 10 Years Risk/Return Detail [Table] Fee Waiver or Reimbursement over Assets, Date of Termination Portfolio Turnover, Rate Expenses Deferred Charges [Text Block] Expense Breakpoint Discounts [Text] Expense Breakpoint, Minimum Investment Required [Amount] Expense Exchange Traded Fund Commissions [Text] Expenses Represent Both Master and Feeder [Text] Expenses Explanation of Nonrecurring Account Fee [Text] Other Expenses, New Fund, Based on Estimates [Text] Acquired Fund Fees and Expenses, Based on Estimates [Text] Expenses Other Expenses Had Extraordinary Expenses Been Included [Text] Expenses Restated to Reflect Current [Text] Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] Strategy Portfolio Concentration [Text] Risk Lose Money [Text] Risk Nondiversified Status [Text] Risk Money Market Fund [Text] Risk Not Insured Depository Institution [Text] Risk Caption Risk Column [Text] Risk [Text] Performance Information Illustrates Variability of Returns [Text] Performance One Year or Less [Text] Performance Additional Market Index [Text] Performance Availability Phone [Text] Performance Availability Website Address [Text] Performance Past Does Not Indicate Future [Text] Bar Chart Does Not Reflect Sales Loads [Text] Bar Chart, Reason Selected Class Different from Immediately Preceding Period [Text] Bar Chart, Returns for Class Not Offered in Prospectus [Text] Year to Date Return, Label Bar Chart, Year to Date Return, Date Bar Chart, Year to Date Return Label Highest Quarterly Return, Label Highest Quarterly Return, Date Highest Quarterly Return Lowest Quarterly Return, Label Label Lowest Quarterly Return, Date Lowest Quarterly Return Performance Table Does Reflect Sales Loads Performance Table Market Index Changed Index No Deduction for Fees, Expenses, Taxes [Text] Performance Table Uses Highest Federal Rate Performance Table Not Relevant to Tax Deferred Performance Table One Class of after Tax Shown [Text] Performance Table Explanation after Tax Higher Performance Table Footnotes, Reason Performance Information for Class Different from Immediately Preceding Period [Text] Performance Table Closing [Text Block] Caption Column Money Market Seven Day Yield, Caption [Text] Money Market Seven Day Yield Column [Text] Money Market Seven Day Yield Phone Money Market Seven Day Yield Money Market Seven Day Tax Equivalent Yield Thirty Day Yield Caption Thirty Day Yield Column [Text] Thirty Day Yield Phone Thirty Day Yield Thirty Day Tax Equivalent Yield S000031363 [Member] Columbia Inflation Protected Securities Fund Member Columbia Inflation Protected Securities Fund C000097496 [Member] Columbia Inflation Protected Securities Fund Class A,Columbia Inflation Protected Securities Fund Member Class A Class B C000097497 [Member] Columbia Inflation Protected Securities Fund Class B,Columbia Inflation Protected Securities Fund Member Columbia Inflation Protected Securities Fund Class C,Columbia Inflation Protected Securities Fund Member C000097498 [Member] Class C C000097499 [Member] Columbia Inflation Protected Securities Fund Class I,Columbia Inflation Protected Securities Fund Member Class I Columbia Inflation Protected Securities Fund Class K,Columbia Inflation Protected Securities Fund Member C000097501 [Member] Class K C000097500 [Member] Columbia Inflation Protected Securities Fund Class R,Columbia Inflation Protected Securities Fund Member Class R Columbia Inflation Protected Securities Fund Class R5,Columbia Inflation Protected Securities Fund Member C000122758 [Member] Class R5 Columbia Inflation Protected Securities Fund Class W,Columbia Inflation Protected Securities Fund Member C000097502 [Member] Class W C000097503 [Member] Class Z Columbia Inflation Protected Securities Fund Class Z,Columbia Inflation Protected Securities Fund Member Barclays Inflation-Protected Securities (TIPS) Series-L Index. Barclays Inflation-Protected Securities (TIPS) Series-L Index (reflects no deduction for fees, expenses or taxes) Barclays Inflation Protected Securities Tips Series L Index [Member] Barclays U.S. Government Inflation-Linked Bond Index. Barclays Us Government Inflation Linked Bond Index [Member] Barclays U.S. Government Inflation-Linked Bond Index (reflects no deduction for fees, expenses or taxes) Columbia Large Growth Quantitative Fund Member S000031351 [Member] Columbia Large Growth Quantitative Fund Class A shares Class A C000097402 [Member] Columbia Large Growth Quantitative Fund Class A,Columbia Large Growth Quantitative Fund Member C000097403 [Member] Class B Columbia Large Growth Quantitative Fund Class B,Columbia Large Growth Quantitative Fund Member C000097404 [Member] Columbia Large Growth Quantitative Fund Class C,Columbia Large Growth Quantitative Fund Member Class C C000097405 [Member] Class I Columbia Large Growth Quantitative Fund Class I,Columbia Large Growth Quantitative Fund Member Class K C000097407 [Member] Columbia Large Growth Quantitative Fund Class K,Columbia Large Growth Quantitative Fund Member C000097406 [Member] Columbia Large Growth Quantitative Fund Class R,Columbia Large Growth Quantitative Fund Member Class R C000122755 [Member] Class R5 Columbia Large Growth Quantitative Fund Class R5,Columbia Large Growth Quantitative Fund Member C000097408 [Member] Class W Columbia Large Growth Quantitative Fund Class W,Columbia Large Growth Quantitative Fund Member Class Z C000097409 [Member] Columbia Large Growth Quantitative Fund Class Z,Columbia Large Growth Quantitative Fund Member Russell 1000 Growth Index (reflects no deduction for fees, expenses or taxes) Russell 1000 Growth Index (reflects no deduction for fees, expenses or taxes). Russell One Thousand Growth Index [Member] Columbia Strategic Allocation Fund Member Columbia Strategic Allocation Fund S000031367 [Member] C000097525 [Member] Columbia Strategic Allocation Fund Class A,Columbia Strategic Allocation Fund Member Class A C000097526 [Member] Class B Columbia Strategic Allocation Fund Class B,Columbia Strategic Allocation Fund Member Columbia Strategic Allocation Fund Class C,Columbia Strategic Allocation Fund Member C000097527 [Member] Class C Class I C000097528 [Member] Columbia Strategic Allocation Fund Class I,Columbia Strategic Allocation Fund Member Columbia Strategic Allocation Fund Class K,Columbia Strategic Allocation Fund Member Class K C000097530 [Member] Columbia Strategic Allocation Fund Class R,Columbia Strategic Allocation Fund Member Class R C000097529 [Member] C000122759 [Member] Class R4 Columbia Strategic Allocation Fund Class R4,Columbia Strategic Allocation Fund Member Columbia Strategic Allocation Fund Class R5,Columbia Strategic Allocation Fund Member C000122760 [Member] Class R5 Columbia Strategic Allocation Fund Class Z,Columbia Strategic Allocation Fund Member Class Z C000097531 [Member] MSCI ACWI All Cap Index (Net) (reflects reinvested dividends net of withholding taxes but reflects no deduction for fees, expenses or other taxes. Msci Acwi All Cap Index Net [Member] MSCI ACWI All Cap Index (Net) (reflects reinvested dividends net of withholding taxes but reflects no deduction for fees, expenses or other taxes S And P Five Hundred Index [Member] S&P 500 Index (reflects no deduction for fees, expenses or taxes). S&P 500 Index (reflects no deduction for fees, expenses or taxes) Barclays Global Aggregate Bond Index [Member] Barclays Global Aggregate Bond Index (reflects no deduction for fees, expenses or taxes). Barclays Global Aggregate Bond Index (reflects no deduction for fees, expenses or taxes) Blended Index One [Member] Blended Index (consists of 50% MSCI ACWI All Cap Index (Net) and 50% Barclays Global Aggregate Bond Index) (reflects reinvested dividends net of withholding taxes on the MSCI ACWI All Cap Index portion of the Blended Index but reflects no deduction for fees, expenses or other taxes) Blended Index (consists of 50% MSCI ACWI All Cap Index (Net) and 50% Barclays Global Aggregate Bond Index) (reflects reinvested dividends net of withholding taxes on the MSCI ACWI All Cap Index portion of the Blended Index but reflects no deduction for fees, expenses or other taxes). Blended Index (consists of 45% S&P 500 Index, 40% Barclays U.S. Aggregate Bond Index and 15% MSCI EAFE Index (Gross)) (reflects no deduction for fees, expenses or taxes) Blended Index (consists of 45% S&P 500 Index, 40% Barclays U.S. Aggregate Bond Index and 15% MSCI EAFE Index (Gross)) (reflects no deduction for fees, expenses or taxes) Blended Index [Member]