2.2.0.25truefalse010005 - Document - Risk/Return Summary - Columbia Absolute Return Emerging Markets Macro Fund (Class Z Shares) {Unlabeled}falsefalsetrue1falsefalsetruefalse{dei_DocumentInformationDocumentAxis} : Columbia Absolute Return Emerging Markets Macro Fund
{dei_LegalEntityAxis} : Class Z Shares
4/1/2010 - 3/31/2011
TwelveMonthsEnded_31Mar2011_S000031731_Member_Prospectus_Two_Memberhttp://www.sec.gov/CIK0001352280duration2010-04-01T00:00:002011-03-31T00:00:00falsefalsecfst1352280_S000031731Memberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldicfst1352280_S000031731Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsecfst1352280_ProspectusTwoMemberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldicfst1352280_ProspectusTwoMemberdei_LegalEntityAxisexplicitMember1false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://columbiamanagement.com/role/riskreturnsummarycolumbiaabsolutereturnemergingmarketsmacrofundclasszshares1falsefalsefalse00Columbia Absolute Return Emerging Markets Macro Fund | Class Z SharesColumbia Absolute Return Emerging Markets Macro Fund | Class Z Sharesfalsefalsefalsefalsefalse1falsefalsetruefalse{dei_DocumentInformationDocumentAxis} : Columbia Absolute Return Emerging Markets Macro Fund
{dei_LegalEntityAxis} : Class Z Shares
4/1/2010 - 3/31/2011
TwelveMonthsEnded_31Mar2011_S000031731_Member_Prospectus_Two_Memberhttp://www.sec.gov/CIK0001352280duration2010-04-01T00:00:002011-03-31T00:00:00falsefalsecfst1352280_S000031731Memberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldicfst1352280_S000031731Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalsecfst1352280_ProspectusTwoMemberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldicfst1352280_ProspectusTwoMemberdei_LegalEntityAxisexplicitMemberOthernaNo definition available.No authoritative reference available.falsefalse3false0rr_RiskReturnHeadingrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Summary of the FundfalsefalsefalsefalsefalseOtherxbrli:stringItemTypestringRisk/Return Summary Investment Objectives/Goals Include the following information, in plain English under rule 421(d) under the Securities Act, in the order and subject matter indicatedReference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 2
falsefalse4false0rr_ObjectiveHeadingrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00INVESTMENT OBJECTIVEfalsefalsefalsefalsefalseOtherxbrli:stringItemTypestringInvestment Objectives/Goals. Disclose the Fund's investment objectives or goals. A Fund also may identify its type or category (e.g., that it is a Money Market Fund or a balanced fund).Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 2
-Subsection a
falsefalse5false0rr_ObjectivePrimaryTextBlockrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Columbia Absolute Return Emerging Markets Macro Fund (the Fund) seeks to provide shareholders with positive (absolute) returns.falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringInvestment Objectives/Goals. Disclose the Fund's investment objectives or goals. A Fund also may identify its type or category (e.g., that it is a Money Market Fund or a balanced fund).Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 2
-Subsection a
falsefalse6false0rr_ExpenseHeadingrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00FEES AND EXPENSES OF THE FUNDfalsefalsefalsefalsefalseOtherxbrli:stringItemTypestringRisk/Return Summary Fee Table Includes the following information, in plain English under rule 421(d) under the Securities Act, after Item 2 Fees and expenses of the Fund This table describes the fees and expenses that you may pay if you buy and hold shared of the Fund. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $[_____] in [name of fund family] funds. Shareholder Fees (fees paid directly from your investment) Example This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be You would pay the following expenses if you did not redeem your shares The Example does not reflect sales charges (loads) on reinvested dividends [and other distributions]. If these sales charges (loads) were included, your costs would be higher. Portfolio Turnover The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover may indicate higher transaction costs. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was __% of the average value of its whole portfolio. Instructions. A.3.instructions.6 New Funds. For purposes of this Item, a "New Fund" is a Fund that does not include in Form N-1A financial statements reporting operating results or that includes financial statements for the Fund's initial fiscal year reporting operating results for a period of 6 months or less. The following Instructions apply to New Funds.Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Paragraph 1
-Subparagraph d
-Subsection instructions
falsefalse7false0rr_ExpenseNarrativeTextBlockrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00This table describes the fees and expenses that you may pay if you buy and hold Class Z shares of the Fund.falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringThis table describes the fees and expenses that you may pay if you buy and hold shared of the Fund. You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $[_____] in [name of fund family] funds. Include the narrative explanations in the order indicated. A Fund may modify the narrative explanations if the explanation contains comparable information to that shown.The narrative explanation regarding sales charge discounts is only required by a Fund that offers such discounts and should specify the minimum level of investment required to qualify for a discount. Modify the narrative explanation to state that Fund shares are sold on a national securities exchange at the end of the time periods indicated, and that brokerage commissions for buying and selling Fund shares through a broker are not reflected.Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Paragraph 1
-Subparagraph b
-Subsection instructions
falsefalse8false0rr_ShareholderFeesCaptionrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Shareholder Fees (fees paid directly from your investment)falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringShareholder Fees (fees paid directly from your investment).Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Paragraph 1
-Subsection table
falsefalse9false0rr_ShareholderFeesTableTextBlockrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div> <div style="display:none;">~ http://columbiamanagement.com/role/ShareholderFeesColumbiaAbsoluteReturnEmergingMarketsMacroFundClassZShares column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact cfst1352280_S000031731Member_Member * row dei_LegalEntityAxis compact cfst1352280_Prospectus_Two_Member * ~</div> </div>falsefalse<div> <div style="display:none;">~ http://columbiamanagement.com/role/ShareholderFeesColumbiaAbsoluteReturnEmergingMarketsMacroFundClassZShares column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact cfst1352280_S000031731Member_Member * row dei_LegalEntityAxis compact cfst1352280_Prospectus_Two_Member * ~</div> </div>falsehttp://columbiamanagement.com/role/ShareholderFeesColumbiaAbsoluteReturnEmergingMarketsMacroFundClassZSharesfalsefalse0200106 - Schedule - Shareholder Fees - Columbia Absolute Return Emerging Markets Macro Fund (Class Z Shares)truefalsefalse1falseColumnperiodPeriod*Columndei_DocumentInformationDocumentAxisAxis*Columndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*duration2010-04-01T00:00:002011-03-31T00:00:00falsefalseColumbia Absolute Return Emerging Markets Macro Funddei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldicfst1352280_S000031731Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalseClass Z Sharesdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldicfst1352280_ProspectusTwoMemberdei_LegalEntityAxisexplicitMemberfalsefalseColumbia Absolute Return Emerging Markets Macro Fund, Class Zrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldicfst1352280_C000098754Memberrr_ProspectusShareClassAxisexplicitMemberColumbia Absolute Return Emerging Markets Macro FundClass Z SharesColumbia Absolute Return Emerging Markets Macro Fund, Class ZUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170falseUSDfalsefalse$1falseRowprimaryElement*4false0rr_ShareholderFeesColumnNamerrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Class ZfalsefalsefalsetruefalseOtherus-types:textBlockItemTypestringShareholder Fees (fees paid directly from your investment).Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Paragraph 1
-Subsection table
falsefalse0rr_ShareholderFeesColumnNametruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Class ZClass ZfalsefalsefalsetruefalseOthernanafalsefalse2falseRowprimaryElement*5false0rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPricerrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truetruetrue0.00000.0000falsefalsefalsetruefalseOtherrr:NonNegativePure4TypepureMaximum Deferred Sales Charge (Load) (as a percentage of ____) A.3.instructions.2.a.i "Maximum Deferred Sales Charge (Load)" includes the maximum total deferred sales charge (load) payable upon redemption, in installments, or both, expressed as a percentage of the amount or amounts stated in response to Item 7(a), except that, for a sales charge (load) based on net asset value at the time of purchase, show the sales charge (load) as a percentage of the offering price at the time of purchase. A Fund may include in a footnote to the table, if applicable, a tabular presentation showing the amount of deferred sales charges (loads) over time or a narrative explanation of the sales charges (loads) (e.g., __% in the first year after purchase, declining to __% in the __ year and eliminated thereafter). A.3.instructions.2.a.ii If more than one type of sales charge (load) is imposed (e.g., a deferred sales charge (load) and a front-end sales charge (load)), the first caption in the table should read "Maximum Sales Charge (Load)" and show the maximum cumulative percentage. Show the percentage amounts and the terms of each sales charge (load) comprising that figure on separate lines below.Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Paragraph 1
-Subparagraph 1
-Subsection table
falsefalse0rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPricetruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.00000.0000falsefalsefalsetruefalseOthernanafalsefalse3falseRowprimaryElement*6false0rr_MaximumDeferredSalesChargeOverOtherrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truetruetrue0.00000.0000falsefalsefalsetruefalseOtherrr:NonNegativePure4TypepureMaximum Deferred Sales Charge (Load) (as a percentage of ____) "Maximum Deferred Sales Charge (Load)" includes the maximum total deferred sales charge (load) payable upon redemption, in installments, or both, expressed as a percentage of the amount or amounts stated in response to Item 7(a), except that, for a sales charge (load) based on net asset value at the time of purchase, show the sales charge (load) as a percentage of the offering price at the time of purchase. A Fund may include in a footnote to the table, if applicable, a tabular presentation showing the amount of deferred sales charges (loads) over time or a narrative explanation of the sales charges (loads) (e.g., __% in the first year after purchase, declining to __% in the __ year and eliminated thereafter). If more than one type of sales charge (load) is imposed (e.g., a deferred sales charge (load) and a front-end sales charge (load)), the first caption in the table should read "Maximum Sales Charge (Load)" and show the maximum cumulative percentage. Show the percentage amounts and the terms of each sales charge (load) comprising that figure on separate lines below.Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Paragraph 2
-Subparagraph a
-Clause i
-Subsection instructions
falsefalse0rr_MaximumDeferredSalesChargeOverOthertruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.00000.0000falsefalsefalsetruefalseOthernanafalsefalse13Shareholder Fees - Columbia Absolute Return Emerging Markets Macro Fund (Class Z Shares)
UnKnownUnKnownUnKnownUnKnownfalsetrueColumnperiodPeriod*Columndei_DocumentInformationDocumentAxisAxis*Columndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*RowprimaryElement*falsefalsefalseOtherus-types:textBlockItemTypestringContains a command for the SEC Viewer for the role corresponding to ShareholderFeesData.No authoritative reference available.falsefalse10false0rr_OperatingExpensesCaptionrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringAnnual Fund Operating Expenses (ongoing expenses that you pay each year as a percentage of the value of your investment)Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Paragraph 1
-Subparagraph 7
-Subsection table
falsefalse11false0rr_AnnualFundOperatingExpensesTableTextBlockrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div> <div style="display:none;">~ http://columbiamanagement.com/role/AnnualFundOperatingExpensesColumbiaAbsoluteReturnEmergingMarketsMacroFundClassZShares column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact cfst1352280_S000031731Member_Member * row dei_LegalEntityAxis compact cfst1352280_Prospectus_Two_Member * ~</div> </div>falsefalse<div> <div style="display:none;">~ http://columbiamanagement.com/role/AnnualFundOperatingExpensesColumbiaAbsoluteReturnEmergingMarketsMacroFundClassZShares column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact cfst1352280_S000031731Member_Member * row dei_LegalEntityAxis compact cfst1352280_Prospectus_Two_Member * ~</div> </div>falsehttp://columbiamanagement.com/role/AnnualFundOperatingExpensesColumbiaAbsoluteReturnEmergingMarketsMacroFundClassZSharesfalsefalse0200206 - Schedule - Annual Fund Operating Expenses - Columbia Absolute Return Emerging Markets Macro Fund (Class Z Shares)truefalsefalse1falseColumnperiodPeriod*Columndei_DocumentInformationDocumentAxisAxis*Columndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*duration2010-04-01T00:00:002011-03-31T00:00:00falsefalseColumbia Absolute Return Emerging Markets Macro Funddei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldicfst1352280_S000031731Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalseClass Z Sharesdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldicfst1352280_ProspectusTwoMemberdei_LegalEntityAxisexplicitMemberfalsefalseColumbia Absolute Return Emerging Markets Macro Fund, Class Zrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldicfst1352280_C000098754Memberrr_ProspectusShareClassAxisexplicitMemberColumbia Absolute Return Emerging Markets Macro FundClass Z SharesColumbia Absolute Return Emerging Markets Macro Fund, Class ZUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170falseUSDfalsefalse$1falseRowprimaryElement*4false0rr_OperatingExpensesColumnNamerrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Class ZfalsefalsefalsetruefalseOtherus-types:textBlockItemTypestringAnnual Fund Operating Expenses (ongoing expenses that you pay each year as a percentage of the value of your investment)Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Paragraph 1
-Subparagraph 7
-Subsection table
falsefalse0rr_OperatingExpensesColumnNametruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Class ZClass ZfalsefalsefalsetruefalseOthernanafalsefalse2falseRowprimaryElement*5false0rr_ManagementFeesOverAssetsrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truetruetrue0.00920.0092falsefalsefalsetruefalseOtherrr:NonNegativePure4TypepureManagement Fees include investment advisory fees (including any fees based on the Fund's performance), any other management fees payable to the investment adviser or its affiliates, and administrative fees payable to the investment adviser or its affiliates that are not included as "Other Expenses."Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Paragraph 3
-Subparagraph a
-Subsection instructions
falsefalse0rr_ManagementFeesOverAssetstruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.00920.0092falsefalsefalsetruefalseOthernanafalsefalse3falseRowprimaryElement*6false0rr_DistributionAndService12b1FeesOverAssetsrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truetruetrue0.00000.0000falsefalsefalsetruefalseOtherrr:NonNegativePure4TypepureDistribution [and/or Service] (12b-1) Fees" include all distribution or other expenses incurred during the most recent fiscal year under a plan adopted pursuant to rule 12b-1 [17 CFR 270.12b-1]. Under an appropriate caption or a subcaption of "Other Expenses," disclose the amount of any distribution or similar expenses deducted from the Fund's assets other than pursuant to a rule 12b-1 plan.Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Paragraph 1
-Subparagraph 9
-Subsection table
falsefalse0rr_DistributionAndService12b1FeesOverAssetstruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.00000.0000falsefalsefalsetruefalseOthernanafalsefalse4falseRowprimaryElement*7false0rr_OtherExpensesOverAssetsrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truetruetrue0.00190.0019[2]falsefalsefalsetruefalseOtherrr:NonNegativePure4Typepure"Other Expenses" include all expenses not otherwise disclosed in the table that are deducted from the Fund's assets or charged to all shareholder accounts. The amount of expenses deducted from the Fund's assets are the amounts shown as expenses in the Fund's statement of operations (including increases resulting from complying with paragraph 2(g) of rule 6-07 of Regulation S-X [17 CFR 210.6-07]). "Other Expenses" do not include extraordinary expenses as determined under generally accepted accounting principles (see Accounting Principles Board Opinion No. 30). If extraordinary expenses were incurred that materially affected the Fund's "Other Expenses," disclose in a footnote to the table what "Other Expenses" would have been had the extraordinary expenses been included.Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Paragraph 3
-Subparagraph c
-Clause i
-Subsection instructions
falsefalse0rr_OtherExpensesOverAssetstruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse[1]1truetruetrue0.00190.0019falsefalsefalsetruefalseOthernanafalsefalse5falseRowprimaryElement*8false0rr_Component1OtherExpensesOverAssetsrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truetruetrue0.00000.0000[1]falsefalsefalsetruefalseOtherrr:NonNegativePure4TypepureThe Fund may subdivide this caption into no more than three subcaptions that identify the largest expense or expenses comprising "Other Expenses," but must include a total of all "Other Expenses." Alternatively, the Fund may include the components of "Other Expenses" in a parenthetical to the caption.Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Paragraph 3
-Subparagraph c
-Clause iii
-Subsection instructions
falsefalse0rr_Component1OtherExpensesOverAssetstruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse[2]1truetruetrue0.00000.0000falsefalsefalsetruefalseOthernanafalsefalse6falseRowprimaryElement*9false0rr_Component2OtherExpensesOverAssetsrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truetruetrue0.00190.0019falsefalsefalsetruefalseOtherrr:NonNegativePure4TypepureThe Fund may subdivide this caption into no more than three subcaptions that identify the largest expense or expenses comprising "Other Expenses," but must include a total of all "Other Expenses." Alternatively, the Fund may include the components of "Other Expenses" in a parenthetical to the caption.Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Paragraph 1
-Subparagraph 10
-Subsection table
falsefalse0rr_Component2OtherExpensesOverAssetstruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.00190.0019falsefalsefalsetruefalseOthernanafalsefalse7falseRowprimaryElement*10false0rr_ExpensesOverAssetsrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truetruetrue0.01110.0111[3]falsefalsefalsetruefalseOtherrr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses. If the Fund is a Feeder Fund, reflect the aggregate expenses of the Feeder Fund and the Master Fund in a single fee table using the captions provided. In a footnote to the fee table, state that the table and Example reflect the expenses of both the Feeder and Master Funds. If the prospectus offers more than one Class of a Multiple Class Fund or more than one Feeder Fund that invests in the same Master Fund, provide a separate response for each Class or Feeder Fund. Base the percentages of "Annual Fund Operating Expenses" on amounts incurred during the Fund's most recent fiscal year, but include in expenses amounts that would have been incurred absent expense reimbursement or fee waiver arrangements. If the Fund has changed its fiscal year and, as a result, the most recent fiscal year is less than three months, use the fiscal year prior to the most recent fiscal year as the basis for determining "Annual Fund Operating Expenses."Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Paragraph 3
-Subparagraph d
-Subsection instructions
falsefalse0rr_ExpensesOverAssetstruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse[3]1truetruetrue0.01110.0111falsefalsefalsetruefalseOthernanafalsefalse1Other expenses are based on estimated amounts for the current fiscal year. 2Dividends on short sales are the dividends paid to the lenders of the borrowed securities. The expenses related to dividends on short sales will vary depending on whether the securities the Fund sells short pay dividends and on the size of any such dividends. Expenses also include borrowing costs paid to the broker in connection with borrowing the security to be sold short. The rate paid to brokers varies by security. 3The investment manager and its affiliates have contractually agreed to waive certain fees and to reimburse certain expenses (other than acquired fund fees and expenses, if any) until July 31, 2012, unless sooner terminated at the sole discretion of the Fund's Board. Any amounts waived will not be reimbursed by the Fund. Under this agreement, net fund expenses (excluding acquired fund fees and expenses, if any, and dividend expenses and borrowing costs on securities sold short) will not exceed 1.23% for Class Z.17Annual Fund Operating Expenses - Columbia Absolute Return Emerging Markets Macro Fund (Class Z Shares)
UnKnownUnKnownUnKnownUnKnownfalsetrueColumnperiodPeriod*Columndei_DocumentInformationDocumentAxisAxis*Columndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*RowprimaryElement*falsefalsefalseOtherus-types:textBlockItemTypestringContains a command for the SEC Viewer for the role corresponding to OperatingExpensesData.No authoritative reference available.falsefalse12false0rr_ExpenseExampleHeadingrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00ExamplefalsefalsefalsefalsefalseOtherxbrli:stringItemTypestringHeading for Expense Example.Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Paragraph 4
-Subsection instructions
falsefalse13false0rr_ExpenseExampleNarrativeTextBlockrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00The Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem your shares at the end of those periods (unless otherwise noted). The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same. The example includes contractual commitments to waive fees and reimburse expenses expiring as indicated in the preceding table. Although your actual costs may be higher or lower, based on these assumptions your costs (based on estimated Fund expenses) would be:falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringThe Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Paragraph 1
-Subparagraph 1
-Subsection example
falsefalse14false0rr_ExpenseExampleWithRedemptionTableTextBlockrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div> <div style="display:none;">~ http://columbiamanagement.com/role/ExpenseExampleColumbiaAbsoluteReturnEmergingMarketsMacroFundClassZShares column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact cfst1352280_S000031731Member_Member * row dei_LegalEntityAxis compact cfst1352280_Prospectus_Two_Member * ~</div> </div>falsefalse<div> <div style="display:none;">~ http://columbiamanagement.com/role/ExpenseExampleColumbiaAbsoluteReturnEmergingMarketsMacroFundClassZShares column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_DocumentInformationDocumentAxis compact cfst1352280_S000031731Member_Member * row dei_LegalEntityAxis compact cfst1352280_Prospectus_Two_Member * ~</div> </div>truehttp://columbiamanagement.com/role/ExpenseExampleColumbiaAbsoluteReturnEmergingMarketsMacroFundClassZSharesfalsefalse0200306 - Schedule - Example - Columbia Absolute Return Emerging Markets Macro Fund (Class Z Shares) {Transposed}truefalsefalse1falseColumnprimaryElement*4false0rr_ExpenseExampleByYearColumnNamerrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Class Z (whether or not shares are redeemed)falsefalsefalsetruefalseOtherus-types:textBlockItemTypestringThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Paragraph 1
-Subparagraph 2
-Subsection example
falsefalsefalseUSDfalsefalse$2falseColumnprimaryElement*5false0rr_ExpenseExampleYear01rrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsetrue113113falsefalsefalsetruefalseMonetaryrr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Paragraph 4
-Subsection instructions
falsefalsefalseUSDfalsefalse$3falseColumnprimaryElement*6false0rr_ExpenseExampleYear03rrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsetrue353353falsefalsefalsetruefalseMonetaryrr:NonNegativeMonetaryTypemonetaryThe Example assumes that you invest $10,000 in the Fund for the time periods indicated and then you redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return per year and that the Fund's operating expenses remained the same. Although your actual costs may be higher or lower.Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Paragraph 1
-Subparagraph 2
-Subsection example
falsefalsefalseUSDfalsefalse$1falseRowperiodPeriod*Rowdei_DocumentInformationDocumentAxisAxis*Rowdei_LegalEntityAxisAxis*Rowrr_ProspectusShareClassAxisAxis*RowunitUnit*duration2010-04-01T00:00:002011-03-31T00:00:00falsefalseColumbia Absolute Return Emerging Markets Macro Funddei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldicfst1352280_S000031731Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalseClass Z Sharesdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldicfst1352280_ProspectusTwoMemberdei_LegalEntityAxisexplicitMemberfalsefalseColumbia Absolute Return Emerging Markets Macro Fund, Class Zrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldicfst1352280_C000098754Memberrr_ProspectusShareClassAxisexplicitMemberColumbia Absolute Return Emerging Markets Macro FundClass Z SharesColumbia Absolute Return Emerging Markets Macro Fund, Class ZUSDStandardhttp://www.xbrl.org/2003/iso4217USDiso421700truefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Class Z (whether or not shares are redeemed)Class Z (whether or not shares are redeemed)falsefalsefalsetruefalse2truefalsetrue113113falsefalsefalsetruefalse3truefalsetrue353353falsefalsefalsetruefalseOthernanafalsefalse31Example - Columbia Absolute Return Emerging Markets Macro Fund (Class Z Shares)
(USD $)UnKnownUnKnownUnKnownUnKnownfalsetrueColumnprimaryElement*RowperiodPeriod*Rowdei_DocumentInformationDocumentAxisAxis*Rowdei_LegalEntityAxisAxis*Rowrr_ProspectusShareClassAxisAxis*RowunitUnit*falsefalsefalseOtherus-types:textBlockItemTypestringContains a command for the SEC Viewer for the role corresponding to ExpenseExample.No authoritative reference available.falsefalse15false0rr_PortfolioTurnoverHeadingrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00Portfolio TurnoverfalsefalsefalsefalsefalseOtherxbrli:stringItemTypestringDisclose the portfolio turnover rate provided in response to Item 14(a) for the most recent fiscal year (or for such shorter period as the Fund has been in operation). Disclose the period for which the information is provided if less than a full fiscal year. A Fund that is a Money Market Fund may omit the portfolio turnover information required by this Item.Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Paragraph 5
-Subsection instructions
falsefalse16false0rr_PortfolioTurnoverTextBlockrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the Example, affect the Fund’s performance.falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringDisclose the portfolio turnover rate provided in response to Item 14(a) for the most recent fiscal year (or for such shorter period as the Fund has been in operation). Disclose the period for which the information is provided if less than a full fiscal year. A Fund that is a Money Market Fund may omit the portfolio turnover information required by this Item.Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 3
-Paragraph 3
-Subsection example
falsefalse17false0rr_StrategyHeadingrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00PRINCIPAL INVESTMENT STRATEGIES OF THE FUNDfalsefalsefalsefalsefalseOtherxbrli:stringItemTypestringPrincipal investment strategies of the Fund. Summarize how the Fund intends to achieve its investment objectives by identifying the Fund's principal investment strategies (including the type or types of securities in which the Fund invests or will invest principally) and any policy to concentrate in securities of issuers in a particular industry or group of industries.Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 4
-Subsection a
falsefalse18false0rr_StrategyNarrativeTextBlockrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<p>The Fund is a non-diversified fund that, under normal market conditions, pursues its investment objective by investing at least 80% of its net assets (including the amount of any borrowings for investment purposes), in long and short positions in sovereign debt obligations, currencies and/or interest rates of emerging market countries. The Fund may invest directly in debt of emerging market countries, including sovereign and quasi-sovereign (e.g., government agencies or instrumentalities) debt, denominated in the local or other foreign currencies or the U.S. dollar. The Fund may also invest indirectly in such debt, or invest in emerging market currencies and local market interest rates through derivatives such as credit default swaps, interest rate swaps and currency futures, options and forwards. Additionally, the Fund may invest up to 20% of its assets in positions in debt securities, currencies or interest rates of non-emerging market countries. The Fund may invest without limitation in lower quality obligations often called “junk bonds.” The Fund may count the gross notional value of its derivative transactions towards the above 80% policy. The Fund will provide shareholders with at least 60 days’ written notice of any change in the Fund’s 80% policy. </p><p>The Fund generally does not take actual ownership of foreign currencies or sell actual foreign currencies. Rather, through forward foreign currency contracts and currency futures, the Fund gains economic exposure comparable to the economic exposure that it would have if it had bought or sold the currencies directly. </p><p>The Fund may invest in fixed income securities of any maturity and does not seek to maintain a particular dollar-weighted average maturity. </p><p>Derivatives, such as futures (including currency, bond, index and interest rate futures), options (including options on currencies, interest rates and swap agreements, which are commonly referred to as swaptions) and swaps (including credit default and interest rate swaps), may also be utilized for investment purposes, for risk management (hedging) purposes, and to increase investment flexibility. Actual exposures (long and short) will vary over time. </p><p>The Fund expects to hold a significant amount of cash, money market instruments or other high quality, short-term investments to cover obligations with respect to, or that may result from, the Fund’s investments in forward foreign currency contracts, currency futures contracts or other derivatives.</p>falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringPrincipal investment strategies of the Fund. Summarize how the Fund intends to achieve its investment objectives by identifying the Fund's principal investment strategies (including the type or types of securities in which the Fund invests or will invest principally) and any policy to concentrate in securities of issuers in a particular industry or group of industries.Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 4
-Subsection a
falsefalse19false0rr_RiskHeadingrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00PRINCIPAL RISKS OF INVESTING IN THE FUNDfalsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNarrative Risk Disclosure.Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 4
-Paragraph 1
-Subsection b
falsefalse20false0rr_RiskNarrativeTextBlockrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<p>This Fund is designed for long-term investors with above-average risk tolerance. Please remember that with any mutual fund investment you may lose money. Principal risks associated with an investment in the Fund include: </p>
<p><b>Active Management Risk.</b> Due to its active management, the Fund could underperform other mutual funds with similar investment objectives.</p>
<p><b>Counterparty Credit Risk.</b> Counterparty credit risk is the risk that the Fund’s counterparty becomes bankrupt or otherwise fails to perform its obligations, and the Fund may obtain no or only limited recovery of its investments, and any recovery may be significantly delayed.</p>
<p><b>Credit Risk.</b> Credit risk is the risk that fixed-income securities in the Fund’s portfolio will decline in price or fail to pay interest or repay principal when due because the issuer will default or otherwise become unable or unwilling to honor its financial obligations. Lower quality securities held by the Fund present increased credit risk.</p>
<p><b>Derivatives Risk.</b> The Fund’s use of derivatives involves risks different from, and possibly greater than, the risks associated with investing directly in the investments underlying the derivatives. Derivatives may be volatile and involve significant risk, such as, among other things, correlation risk, counterparty credit risk, hedging risk, leverage risk and liquidity risk. Certain derivatives have the potential for unlimited losses, regardless of the size of the initial investment.</p>
<p><b>Derivatives Risk — Forward Foreign Currency Contracts.</b> The Fund may enter into forward foreign currency contracts, which are types of derivative contracts, to buy or sell a country’s currency at a specific price on a specific date, usually 30, 60, or 90 days in the future for a specific exchange rate on a given date. Currency contracts may fall in value due to foreign currency value fluctuations. The Fund may enter into forward foreign currency contracts for investment purposes, for risk management (hedging) purposes, and to increase investment flexibility. The Fund’s investment or hedging strategies may be unable to achieve their objectives.</p>
<p><b>Derivatives Risk — Futures Contracts.</b> The Fund may enter into futures contracts, including currency, bond, index and interest rate futures, for investment purposes, for risk management (hedging) purposes, and to increase flexibility. The volatility of futures contracts prices has been historically greater than the volatility of stocks and bonds. The liquidity of the futures markets depends on participants entering into off-setting transactions rather than making or taking delivery. To the extent participants decide to make or take delivery, liquidity in the futures market could be reduced. In addition, futures exchanges often impose a maximum permissible price movement on each futures contract for each trading session. The Fund may be disadvantaged if it is prohibited from executing a trade outside the daily permissible price movement.</p>
<p><b>Derivatives Risk — Credit Default Swaps.</b> The Fund may enter into credit default swap agreements in an effort to buy or sell protection against a credit event, including, for example, an issuer’s failure to make timely payments of interest or principal, bankruptcy or restructuring. A credit default swap may be embedded within a structured note or other derivative instrument. Investment in credit default swaps subjects the Fund to Credit Risk, Counterparty Credit Risk and Liquidity Risk. Credit default swaps are also subject to the risk that the Fund will not properly assess the cost of the underlying asset. If the Fund is selling credit protection, there is a risk that a credit event will occur and that the Fund will have to pay the counterparty. If the Fund is buying credit protection, there is a risk that no credit event will occur and the Fund will receive no benefit for the premium paid.</p>
<p><b>Derivatives Risk — Interest Rate Swaps.</b> The Fund may enter into interest rate swap agreements to obtain or preserve a desired return or spread at a lower cost than through a direct investment in an instrument that yields the desired return or spread. Interest rate swaps can be based on various measures of interest rates, including LIBOR, swap rates, treasury rates and other foreign interest rates. A swap agreement can increase or decrease the volatility of the Fund’s investments and its net asset value. Swaps can involve greater risks than direct investment in securities, because swaps may be leveraged (creating Leverage Risk) and are subject to Counterparty Credit Risk, pricing risk (i.e., swaps may be difficult to value) and Liquidity Risk (i.e., may not be possible for the Fund to liquidate a swap position at an advantageous time or price, which may result in significant losses).</p>
<p><b>Derivatives Risk — Options.</b> The Fund may buy and sell call and put options, including options on currencies, interest rates and swap agreements (commonly referred to as swaptions), for investment purposes, for risk management (hedging) purposes, and to increase flexibility. If the Fund sells a put option, there is a risk that the Fund may be required to buy the underlying asset at a disadvantageous price. If the Fund sells a call option, there is a risk that the Fund may be required to sell the underlying asset at a disadvantageous price. If the Fund sells a call option on an underlying asset that the Fund owns (a “covered call”) and the underlying asset has increased in value when the call option is exercised, the Fund will be required to sell the underlying asset at the call price and will not be able to realize any of the underlying asset’s value above the call price. Options may be traded on a securities exchange or over-the-counter. These transactions involve risk, including correlation risk, Counterparty Credit risk, hedging risk and Leverage Risk.</p>
<p><b>Foreign Currency Risk.</b> The Fund’s exposure to foreign currencies subjects the Fund to constantly changing exchange rates and the risk that those currencies will decline in value relative to the U.S. dollar, or, in the case of short positions, that the U.S. dollar will decline in value relative to the currency being sold forward. As a result, the Fund’s exposure to foreign currencies may reduce the returns of the Fund.</p>
<p><b>Risk of Foreign/Emerging Markets Investing.</b> Investments in foreign securities involve certain risks not associated with investments in domestic securities. Foreign securities in the Fund’s portfolio subject the Fund to the risks associated with investing in the particular country, including the political, regulatory, economic, social and other conditions or events occurring in the country, as well as fluctuations in its currency and the risks associated with less developed custody and settlement practices.</p>
<p>The Fund invests significantly in emerging markets. Investments in emerging markets present greater risk of loss than a typical foreign security investment. Because of the less developed markets and economies and less mature governments and governmental institutions, the risks of investing in foreign securities can be significantly intensified in the case of investments in emerging markets.</p>
<p><b>Geographic Concentration Risk.</b> The Fund may be particularly susceptible to economic, political, regulatory or other events or conditions affecting issuers and countries within the specific geographic regions in which the Fund may invest. The Fund may be more volatile than a more geographically diversified fund.</p>
<p><b>High Yield Securities Risk.</b> The Fund’s investments in below-investment grade fixed-income securities (i.e., high-yield or junk bonds) exposes the Fund to a greater risk of loss of principal than a fund that invests solely or primarily in investment grade securities. High yield securities are considered to be predominantly speculative with respect to the issuer’s capacity to pay interest and repay principal.</p>
<p><b>Interest Rate Risk.</b> Interest rate risk is the risk of losses attributable to changes in interest rates. When interest rates rise, prices of fixed-income securities generally fall. In general, the longer the maturity or duration of a fixed-income security, the greater its sensitivity to changes in interest rates. Interest rate changes also may increase prepayments of debt obligations.</p>
<p><b>Leverage Risk.</b> Leverage occurs when the Fund increases its assets available for investment using borrowings, short sales, derivatives, or similar instruments or techniques. The use of leverage may make any change in the Fund’s net asset value (NAV) even greater and thus result in increased volatility of returns. There is no guarantee that a leveraging strategy will be successful.</p>
<p><b>Liquidity Risk.</b> Liquidity risk is the risk associated with a lack of marketability of securities which may make it difficult or impossible to sell the security at desirable prices in order to minimize loss. The Fund may have to lower the selling price, sell other investments, or forego another, more appealing investment opportunity.</p>
<p><b>Market Risk.</b> The market value of securities may fall, fail to rise, or fluctuate, sometimes rapidly and unpredictably. Market risk may affect a single issuer, sector of the economy or the market as a whole.</p>
<p><b>Non-Diversification Risk.</b> The Fund is non-diversified. A non-diversified fund may invest more of its assets in fewer issuers than if it were a diversified fund. Because each investment has a greater effect on the Fund’s performance, the Fund may be more exposed to the risks of loss and volatility than a fund that invests more broadly.</p>
<p><b>Reinvestment Risk.</b> Reinvestment risk is the risk that the Fund will not be able to reinvest income or principal at the same rate it is currently earning.</p>
<p><b>Risk of Investing in Money Market Funds.</b> In addition to the fees and expenses that the Fund directly bears, the Fund indirectly bears the fees and expenses of the affiliated money market fund in which it invests. The Fund will also be exposed to the investment risks of the affiliated money market fund.</p>
<p><b>Short Selling Risk.</b> The Fund may make short sales, which involves selling a security or other asset the Fund does not own in anticipation that the instrument’s price will decline. Short positions introduce more risk to the Fund than long positions (where the Fund owns the instrument) because the maximum sustainable loss on an instrument purchased (held long) is limited to the amount paid for the instrument plus the transaction costs, whereas there is no maximum price of the shorted instrument when purchased in the open market. Therefore, in theory, securities or other assets sold short have unlimited risk. The Fund’s use of short sales in effect “leverages” the Fund, as the Fund may use the cash proceeds from short sales to invest in additional long positions. Leverage potentially exposes the Fund to greater risks of loss due to unanticipated market movements, which may magnify losses and increase the volatility of returns. In addition, the Fund will incur additional expenses by engaging in short sales in the form of transaction costs, and interest and dividend expenses paid to the lender of the instrument.</p>
<p><b>Sovereign Debt Risk.</b> A sovereign debtor’s willingness or ability to repay principal and pay interest in a timely manner may be affected by a variety of factors, including its cash flow situation, the extent of its reserves, the availability of sufficient foreign exchange on the date a payment is due, the relative size of the debt service burden to the economy as a whole, the sovereign debtor’s policy toward international lenders, and the political constraints to which a sovereign debtor may be subject. Sovereign debt risk is increased for emerging market issuers.</p>
<p><b>Tax Risk.</b> Internal Revenue Service regulations might treat gains from some of the Fund’s foreign currency-denominated positions as not “qualifying income” and there is a remote possibility that such regulations might be applied retroactively, in which case, the Fund might not qualify as a regulated investment company for one or more years. In the event the Treasury Department issues such regulations, the Fund’s Board of Trustees may authorize a significant change in investment strategy or the Fund’s liquidation.</p>falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringNarrative Risk Disclosure. A Fund may, in responding to this Item, describe the types of investors for whom the Fund is intended or the types of investment goals that may be consistent with an investment in the Fund.Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 4
-Paragraph 1
-Subparagraph i
-Clause instruction
-Subsection b
falsefalse21false0rr_BarChartAndPerformanceTableHeadingrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00PAST PERFORMANCEfalsefalsefalsefalsefalseOtherxbrli:stringItemTypestringRisk/Return Bar Chart and Table.Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 4
-Paragraph 2
-Subsection b
falsefalse22false0rr_PerformanceNarrativeTextBlockrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00The Fund is new as of the date of this prospectus and therefore performance information is not available.falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringRisk/Return Bar Chart and Table.Reference 1: 1
-Publisher SEC
-Name Form
-Number N-1A
-Chapter A
-Section 4
-Paragraph 2
-Subsection b
falsefalse121Risk/Return Summary - Columbia Absolute Return Emerging Markets Macro Fund (Class Z Shares) (Columbia Absolute Return Emerging Markets Macro Fund, Class Z Shares)UnKnownUnKnownUnKnownUnKnownfalsetrue