Expense Example, No Redemption: Shareholder Fees [Table] Annual Fund Operating Expenses [Table] Expense Example, With Redemption [Table] Bar Chart [Table] Performance [Table] Expense Example, No Redemption Narrative [Text Block] Market Index Performance [Table] Expense Example, No Redemption [Table] Risk/Return Detail [Table] Performance Measure [Axis] Before Taxes returns after taxes on distributions returns after taxes on distributions and sale of Fund shares Amendment Description Amendment Flag Document Creation Date Document Effective Date Document [Axis] Prospectus Document Period End Date Document Type Entities [Table] Entity [Text Block] Series Trading Symbol Registrant Name Central Index Key Series [Axis] Risk/Return [Heading] Objective Section: Objective [Heading] Objective, Primary [Text Block] Objective, Secondary [Text Block] Strategy Section: Strategy [Heading] Strategy Narrative [Text Block] Strategy Portfolio Concentration [Text] Bar Chart and Performance Table [Heading] Performance Narrative [Text Block] Performance Past Does Not Indicate Future [Text] Performance Information Illustrates Variability of Returns [Text] Performance One Year or Less [Text] Performance Additional Market Index [Text] Bar Chart [Heading] Bar Chart Narrative [Text Block] Bar Chart Does Not Reflect Sales Loads [Text] Bar Chart, Returns for Class Not Offered in Prospectus [Text] Bar Chart, Reason Selected Class Different from Immediately Preceding Period [Text] Annual Return Caption [Text] Caption Annual Return, Column [Text] Column 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 Annual Return 2002 Annual Return 2003 Annual Return 2004 Annual Return 2005 Annual Return 2006 Annual Return 2007 Annual Return 2008 Annual Return 2009 Annual Return 2010 Annual Return 2011 Annual Return 2012 Year to Date Return, Label Bar Chart, Year to Date Return Bar Chart, Year to Date Return, Date Highest Quarterly Return, Label Label Highest Quarterly Return Highest Quarterly Return, Date Lowest Quarterly Return, Label Label Lowest Quarterly Return Lowest Quarterly Return, Date Bar Chart Closing [Text Block] Performance Table Heading Performance Table Narrative Performance Table Does Reflect Sales Loads Performance Table Market Index Changed Performance Table Uses Highest Federal Rate Performance Table Not Relevant to Tax Deferred Performance Table Explanation after Tax Higher Caption Column Label 1 Year 5 Years 10 Years Since Inception Inception Date DEPRECATED AverageAnnualReturnAfterTaxesOnDistributionsLabel DEPRECATED AverageAnnualReturnAfterTaxesOnDistributionsYear01 DEPRECATED AverageAnnualReturnAfterTaxesOnDistributionsYear05 DEPRECATED AverageAnnualReturnAfterTaxesOnDistributionsYear10 DEPRECATED AverageAnnualReturnAfterTaxesOnDistributionsSinceInception DEPRECATED AverageAnnualReturnAfterTaxesOnDistributionsInceptionDate DEPRECATED AverageAnnualReturnAfterTaxesOnDistributionsAndSalesLabel DEPRECATED AverageAnnualReturnAfterTaxesOnDistributionsAndSalesYear01 DEPRECATED AverageAnnualReturnAfterTaxesOnDistributionsAndSalesYear05 DEPRECATED AverageAnnualReturnAfterTaxesOnDistributionsAndSalesYear10 DEPRECATED AverageAnnualReturnAfterTaxesOnDistributionsAndSalesSinceInception DEPRECATED AverageAnnualReturnAfterTaxesOnDistributionsAndSalesInceptionDate 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 DEPRECATED Market Index Return, Label DEPRECATED 1 Year DEPRECATED 5 Years DEPRECATED 10 Years DEPRECATED Market Index Return, Since inception DEPRECATED Market Index Return, Inception Date Performance Table Footnotes Performance Table Closing [Text Block] Risk Section: Risk [Heading] Risk Narrative [Text Block] Risk Nondiversified Status [Text] Risk Lose Money [Text] Risk Money Market Fund [Text] Risk Not Insured Depository Institution [Text] Risk Caption Risk Column [Text] Risk [Text] Risk Footnotes [Text Block] Risk Closing [Text Block] Expense [Heading] Expense Narrative [Text Block] Expense Breakpoint Discounts [Text] Expense Exchange Traded Fund Commissions [Text] Shareholder Fees Caption [Text] Shareholder Fees Column [Text] Maximum Cumulative Sales Charge (as a percentage of Offering Price) Maximum Cumulative Sales Charge (as a percentage) Maximum sales charge (load) imposed on purchases, as a % of offering price Maximum deferred sales charge (load) imposed on redemptions, as a % of the lower of the original purchase price or net asset value 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 Caption [Text] Operating Expenses Column [Text] Management fees Distribution and/or service (Rule 12b-1) fees Distribution or Similar (Non 12b-1) Fees Other expenses Other expenses Component1 Other Expenses Component2 Other Expenses Component3 Other Expenses Acquired fund fees and expenses Total annual Fund operating expenses Total annual Fund operating expenses Fee waivers and/or reimbursements Fee waivers and/or reimbursements Total annual Fund operating expenses after fee waivers and/or reimbursements Total annual Fund operating expenses after fee waivers and/or reimbursements Expenses Represent Both Master and Feeder [Text] Expenses Other Expenses Had Extraordinary Expenses Been Included [Text] Expenses Restated to Reflect Current [Text] Expense Example [Heading] Expense Example Narrative [Text Block] Expense Example by Year [Heading] Expense Example by, Year, Caption [Text] Expense Example, By Year, Column [Text] Column Expense Example, with Redemption, 1 Year 1 Year Expense Example, with Redemption, 3 Years 3 Years Expense Example, with Redemption, 5 Years 5 Years Expense Example, with Redemption, 10 Years 10 Years Expense Example, No Redemption, By Year, Caption [Text] Expense Example, No Redemption, By Year, Column [Text] Column Expense Example, No Redemption, 1 Year 1 Year Expense Example, No Redemption, 3 Years 3 Years Expense Example, No Redemption, 5 Years 5 Years Expense Example, No Redemption, 10 Years 10 Years Expense Example Closing [Text Block] Prospectus Date Prospectus: Share Class [Axis] Share Classes Prospectus [Line Items] Form N-1A: Risk/Return: Portfolio Turnover [Heading] Portfolio Turnover [Text Block] Bar Chart and Performance Table Section: Bar Chart Narrative: Bar Chart Table: Bar Chart Closing: Average Annual Return: DEPRECATED AverageAnnualReturnAfterTaxesOnDistributionsAbstract DEPRECATED AverageAnnualReturnAfterTaxesOnDistributionsAndSalesAbstract Market Index Return: Performance Narrative: Performance Table Section: Performance Table Closing: Expenses: Shareholder Fees: Operating Expenses: Net Expenses (as a percentage of Assets): Expenses (as a percentage of Assets): Other Expenses over Assets: Expense Footnotes: Expense Footnotes [Text Block] Expense Example Narrative: Expense Example: Expense Example Closing: Expense Example Footnotes [Text Block] Portfolio Turnover: Fee Waiver or Reimbursement over Assets, Date of Termination Portfolio Turnover, Rate Expense Breakpoint, Minimum Investment Required [Amount] Performance Table Footnotes, Reason Performance Information for Class Different from Immediately Preceding Period [Text] Bar Chart Footnotes [Text Block] Performance Table One Class of after Tax Shown [Text] Other Expenses, New Fund, Based on Estimates [Text] Acquired Fund Fees and Expenses, Based on Estimates [Text] Expenses Deferred Charges [Text Block] Expenses Range of Exchange Fees [Text Block] Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] Expenses Explanation of Nonrecurring Account Fee [Text] Index No Deduction for Fees, Expenses, Taxes [Text] Annual Return 2013 Annual Return 2014 Performance Availability Website Address [Text] Performance Availability Phone [Text] C000122677 Member Class Y Shares C000122681 Member Class R5 Shares S000012075 Member (Columbia Technology Fund) S000012069 Member (Columbia Greater China Fund) S000012068 Member (Columbia Balanced Fund) S000012070 Member (Columbia Mid Cap Growth Fund) S000021572 Member (Columbia Emerging Markets Fund) S000021573 Member (Columbia Energy and Natural Resources Fund) S000012081 Member (Columbia Large Cap Growth Fund) S000021575 Member (Columbia Select Large Cap Growth Fund) S000012072 Member (Columbia Real Estate Equity Fund) S000012079 Member (Columbia Dividend Income Fund) S000012083 Member (Columbia Small Cap Core Fund) S000012077 Member (Columbia Contrarian Core Fund) S000010623 Member (Columbia Intermediate Municipal Bond Fund) S000012073 Member (Columbia Small Cap Growth Fund) I S000012093 Member (Columbia New York Tax-Exempt Fund) S000012097 Member (Columbia Intermediate Bond Fund) S000021578 Member (Columbia Value and Restructuring Fund) S000012096 Member (Columbia Corporate Income Fund) S000012071 Member (Columbia Oregon Intermediate Municipal Bond Fund) S000012102 Member (Columbia Small Cap Value Fund) I S000021579 Member (Columbia Bond Fund) S000010615 Member (Columbia High Yield Municipal Fund) S000012098 Member (Columbia U.S. Treasury Index Fund) S000010617 Member (Columbia Strategic Income Fund) AAAA Member BBBB Member CCCC Member DDDD Member EEEE Member FFFF Member GGGG Member HHHH Member IIII Member JJJJ Member KKKK Member LLLL Member MMMM Member NNNN Member OOOO Member PPPP Member QQQQ Member RRRR Member SSSS Member TTTT Member UUUU Member VVVV Member WWWW Member XXXX Member YYYY Member C000122664 Member Class R4 Shares C000122665 Member Class R5 Shares C000032881 Member Class Z Shares C000032843 Member Class A Shares C000122661 Member Class R5 Shares C000122659 Member Class R4 Shares C000122660 Member Class Y Shares C000032842 Member Class Z Shares C000121789 Member Class R4 Shares C000032854 Member Class Z Shares C000121798 Member Class R5 Shares C000122684 Member Class Y Shares C000061811 Member Class Z Shares C000122685 Member Class R4 Shares C000122686 Member Class R5 Shares C000061814 Member Class Z Shares C000032910 Member Class A Shares C000032911 Member Class B Shares C000032912 Member Class C Shares C000034322 Member Class E Shares C000034323 Member Class F Shares C000094687 Member Class I Shares C000094689 Member Class K Shares C000094688 Member Class R Shares C000122672 Member Class R4 Shares C000094690 Member Class R5 Shares C000032914 Member Class T Shares C000094691 Member Class W Shares C000078989 Member Class Y Shares C000032915 Member Class Z Shares C000122687 Member Class R4 Shares C000122688 Member Class R5 Shares C000122689 Member Class Y Shares C000061821 Member Class Z Shares C000122663 Member Class R4 Shares C000032867 Member Class Z Shares C000122669 Member Class R4 Shares C000122670 Member Class R5 Shares C000122671 Member Class Y Shares C000032905 Member Class Z Shares C000122673 Member Class R4 Shares C000122674 Member Class R5 Shares C000122675 Member Class Y Shares C000032925 Member Class Z Shares C000122666 Member Class R4 Shares C000122667 Member Class R5 Shares C000122668 Member Class Y Shares C000032893 Member Class Z Shares C000122658 Member Class R5 Shares C000029392 Member Class Z Shares C000121791 Member Class R4 Shares C000032871 Member Class Z Shares C000032969 Member Class A Shares C000122676 Member Class R5 Shares C000121795 Member Class K Shares C000121793 Member Class R4 Shares C000121794 Member Class R5 Shares C000122680 Member Class Y Shares C000032987 Member Class Z Shares C000122690 Member Class R4 Shares C000122691 Member Class R5 Shares C000122692 Member Class Y Shares C000061832 Member Class Z Shares C000122678 Member Class R4 Shares C000122679 Member Class R5 Shares C000032982 Member Class Z Shares C000032858 Member Class A Shares C000032859 Member Class B Shares C000032860 Member Class C Shares C000122662 Member Class R5 Shares C000032862 Member Class Z Shares C000033005 Member Class A Shares C000122682 Member Class R4 Shares C000122683 Member Class R5 Shares C000122693 Member Class R4 Shares C000122694 Member Class R5 Shares C000061835 Member Class Z Shares C000122656 Member Class R5 Shares C000029353 Member Class Z Shares C000032991 Member Class Z Shares C000029358 Member Class A Shares C000122657 Member Class R4 Shares 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