2.2.0.25truefalse0112 - Document - Risk/Return Summary {Unlabeled} (Touchstone Emerging Markets Equity Fund II)falsefalsetrue1falsefalseUSDtruefalse{dei_DocumentInformationDocumentAxis} : SummaryS000031901 Member {dei_LegalEntityAxis} : S000031901 Member 4/18/2011 - 4/18/2011 USD ($) $eol_0001144204-11-022694_STD_1_20110418_0_396770x-9992486_396840x-9992485http://www.sec.gov/CIK0000914243duration2011-04-18T00:00:002011-04-18T00:00:00falsefalseck0000914243_SummaryS000031901Memberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_SummaryS000031901Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalseck0000914243_S000031901Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000031901Memberdei_LegalEntityAxisexplicitMemberiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.touchstoneinvestments.com/role/riskreturn_s000031901member1falsefalsefalse00Touchstone Emerging Markets Equity Fund II (Prospectus Summary) | Touchstone Emerging Markets Equity Fund IITouchstone Emerging Markets Equity Fund II (Prospectus Summary) | Touchstone Emerging Markets Equity Fund IIfalsefalsefalsefalsefalse1falsefalseUSDtruefalse{dei_DocumentInformationDocumentAxis} : SummaryS000031901 Member {dei_LegalEntityAxis} : S000031901 Member 4/18/2011 - 4/18/2011 USD ($) $eol_0001144204-11-022694_STD_1_20110418_0_396770x-9992486_396840x-9992485http://www.sec.gov/CIK0000914243duration2011-04-18T00:00:002011-04-18T00:00:00falsefalseck0000914243_SummaryS000031901Memberdei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_SummaryS000031901Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalseck0000914243_S000031901Memberdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000031901Memberdei_LegalEntityAxisexplicitMemberiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$OthernaNo definition available.No authoritative reference available.falsefalseTouchstone Emerging Markets Equity Fund II (Prospectus Summary) | Touchstone Emerging Markets Equity Fund II3false0rr_RiskReturnHeadingrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00TOUCHSTONE EMERGING MARKETS EQUITY FUND II SUMMARYfalsefalsefalsefalsefalseOtherxbrli: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 falsefalseRisk/Return, Heading4false0rr_ObjectiveHeadingrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00THE FUND'S INVESTMENT GOALfalsefalsefalsefalsefalseOtherxbrli: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 falsefalseInvestment Objective, Heading5false0rr_ObjectivePrimaryTextBlockrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<pre>The Touchstone Emerging Markets Equity Fund II (the "Fund") seeks capital appreciation.</pre>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 falsefalseinvestment Objective, Primary6false0rr_ExpenseHeadingrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00THE FUND'S FEES AND EXPENSESfalsefalsefalsefalsefalseOtherxbrli: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 falsefalseExpense, Heading7false0rr_ExpenseNarrativeTextBlockrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<pre>This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund. You may qualify for sales charge discounts for Class A shares if you and your family invest, or agree to invest in the future, at least $50,000 or more in the Touchstone Funds. More information about these and other discounts is available from your financial professional and in the section entitled "Choosing a Class of Shares" in the Fund's prospectus and in the section entitled "Purchase and Redemption of Shares" in the Fund's Statement of Additional Information.</pre>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 falsefalseExpense, Narrative8false0rr_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 falsefalseShareholder Fees, Caption9false0rr_ShareholderFeesTableTextBlockrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div style="display:none">~ http://www.TouchstoneInvestments.com/role/ShareholderFeesData_S000031901Member column dei_LegalEntityAxis compact * column rr_ProspectusShareClassAxis compact * row primary compact * ~</div>falsefalse<div style="display:none">~ http://www.TouchstoneInvestments.com/role/ShareholderFeesData_S000031901Member column dei_LegalEntityAxis compact * column rr_ProspectusShareClassAxis compact * row primary compact * ~</div>falsehttp://www.TouchstoneInvestments.com/role/ShareholderFeesData_S000031901Memberfalsefalse0113 - Schedule - Shareholder Feestruefalsefalse1falseColumnperiodPeriod*Columndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*duration2011-04-18T00:00:002011-04-18T00:00:00falsefalseTouchstone Emerging Markets Equity Fund IIdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000031901Memberdei_LegalEntityAxisexplicitMemberfalsefalseClass Arr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000099340Memberrr_ProspectusShareClassAxisexplicitMemberTouchstone Emerging Markets Equity Fund IIClass Aiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170falseUSDfalsefalse$2falseColumnperiodPeriod*Columndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*duration2011-04-18T00:00:002011-04-18T00:00:00falsefalseTouchstone Emerging Markets Equity Fund IIdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000031901Memberdei_LegalEntityAxisexplicitMemberfalsefalseClass Crr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000099341Memberrr_ProspectusShareClassAxisexplicitMemberTouchstone Emerging Markets Equity Fund IIClass Ciso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170falseUSDfalsefalse$3falseColumnperiodPeriod*Columndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*duration2011-04-18T00:00:002011-04-18T00:00:00falsefalseTouchstone Emerging Markets Equity Fund IIdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000031901Memberdei_LegalEntityAxisexplicitMemberfalsefalseClass Yrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000099342Memberrr_ProspectusShareClassAxisexplicitMemberTouchstone Emerging Markets Equity Fund IIClass Yiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170falseUSDfalsefalse$4falseColumnperiodPeriod*Columndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*duration2011-04-18T00:00:002011-04-18T00:00:00falsefalseTouchstone Emerging Markets Equity Fund IIdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000031901Memberdei_LegalEntityAxisexplicitMemberfalsefalseInstitutionalrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000099343Memberrr_ProspectusShareClassAxisexplicitMemberTouchstone Emerging Markets Equity Fund IIInstitutionaliso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170falseUSDfalsefalse$1falseRowprimaryElement*3false0rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPricerrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.05750.0575falsefalsefalsetruefalse2truetruetrue0.00000.0000falsefalsefalsetruefalse3truetruetrue0.00000.0000falsefalsefalsetruefalse4truetruetrue0.00000.0000falsefalsefalsetruefalseOtherrr: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 falsefalseMaximum Sales Charge Imposed on Purchases (as a percentage of offering price)0rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPricetruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.05750.0575falsefalsefalsetruefalse2truetruetrue0.00000.0000falsefalsefalsetruefalse3truetruetrue0.00000.0000falsefalsefalsetruefalse4truetruetrue0.00000.0000falsefalsefalsetruefalseOthernanafalsefalseMaximum Sales Charge Imposed on Purchases (as a percentage of offering price)2falseRowprimaryElement*4false0rr_MaximumDeferredSalesChargeOverOfferingPricerrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.00000.0000falsefalsefalsetruefalse2truetruetrue0.01000.0100falsefalsefalsetruefalse3truetruetrue0.00000.0000falsefalsefalsetruefalse4truetruetrue0.00000.0000falsefalsefalsetruefalseOtherrr: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 2 -Subparagraph a -Clause i -Subsection instructions falsefalseMaximum Deferred Sales Charge (as a percentage of original purchase price or the amount redeemed, whichever is less)0rr_MaximumDeferredSalesChargeOverOfferingPricetruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.00000.0000falsefalsefalsetruefalse2truetruetrue0.01000.0100falsefalsefalsetruefalse3truetruetrue0.00000.0000falsefalsefalsetruefalse4truetruetrue0.00000.0000falsefalsefalsetruefalseOthernanafalsefalseMaximum Deferred Sales Charge (as a percentage of original purchase price or the amount redeemed, whichever is less)3falseRowprimaryElement*5false0rr_RedemptionFeerrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegated1truefalsetrue1515falsefalsefalsetruefalse2truefalsetrue1515falsefalsefalsetruefalse3truefalsetrue00falsefalsefalsetruefalse4truefalsetrue00falsefalsefalsetruefalseMonetaryrr:NonPositiveMonetaryTypemonetary"Redemption Fee" (as a percentage of amount redeemed, if applicable) If the Fund is an Exchange-Traded Fund and issues or redeems shares in creation units of not less than 25,000 shares each, exclude any fees charged for the purchase and redemption of the Fund's creation units. "Redemption Fee" includes a fee charged for any redemption of the Fund's shares, but does not include a deferred sales charge (load) imposed upon redemption.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 4 -Subsection table falsefalseWire Redemption Fee0rr_RedemptionFeetruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue1515falsefalsefalsetruefalse2truefalsetrue1515falsefalsefalsetruefalse3truefalsetrue00falsefalsefalsetruefalse4truefalsetrue00falsefalsefalsetruefalseOthernanafalsefalseWire Redemption Fee43Shareholder Fees Touchstone Emerging Markets Equity Fund II (USD $)UnKnownUnKnownUnKnownUnKnownfalsetrueColumnperiodPeriod*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.falsefalseShareholder Fees [Table]10false0rr_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 falsefalseOperating Expenses, Caption11false0rr_AnnualFundOperatingExpensesTableTextBlockrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div style="display:none">~ http://www.TouchstoneInvestments.com/role/OperatingExpensesData_S000031901Member column dei_LegalEntityAxis compact * column rr_ProspectusShareClassAxis compact * row primary compact * ~</div>falsefalse<div style="display:none">~ http://www.TouchstoneInvestments.com/role/OperatingExpensesData_S000031901Member column dei_LegalEntityAxis compact * column rr_ProspectusShareClassAxis compact * row primary compact * ~</div>falsehttp://www.TouchstoneInvestments.com/role/OperatingExpensesData_S000031901Memberfalsefalse0114 - Schedule - Annual Fund Operating Expensestruefalsefalse1falseColumnperiodPeriod*Columndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*duration2011-04-18T00:00:002011-04-18T00:00:00falsefalseTouchstone Emerging Markets Equity Fund IIdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000031901Memberdei_LegalEntityAxisexplicitMemberfalsefalseClass Arr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000099340Memberrr_ProspectusShareClassAxisexplicitMemberTouchstone Emerging Markets Equity Fund IIClass Aiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170falseUSDfalsefalse$2falseColumnperiodPeriod*Columndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*duration2011-04-18T00:00:002011-04-18T00:00:00falsefalseTouchstone Emerging Markets Equity Fund IIdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000031901Memberdei_LegalEntityAxisexplicitMemberfalsefalseClass Crr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000099341Memberrr_ProspectusShareClassAxisexplicitMemberTouchstone Emerging Markets Equity Fund IIClass Ciso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170falseUSDfalsefalse$3falseColumnperiodPeriod*Columndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*duration2011-04-18T00:00:002011-04-18T00:00:00falsefalseTouchstone Emerging Markets Equity Fund IIdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000031901Memberdei_LegalEntityAxisexplicitMemberfalsefalseClass Yrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000099342Memberrr_ProspectusShareClassAxisexplicitMemberTouchstone Emerging Markets Equity Fund IIClass Yiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170falseUSDfalsefalse$4falseColumnperiodPeriod*Columndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*ColumnunitUnit*duration2011-04-18T00:00:002011-04-18T00:00:00falsefalseTouchstone Emerging Markets Equity Fund IIdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000031901Memberdei_LegalEntityAxisexplicitMemberfalsefalseInstitutionalrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000099343Memberrr_ProspectusShareClassAxisexplicitMemberTouchstone Emerging Markets Equity Fund IIInstitutionaliso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170falseUSDfalsefalse$1falseRowprimaryElement*3false0rr_ManagementFeesOverAssetsrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.01100.0110falsefalsefalsetruefalse2truetruetrue0.01100.0110falsefalsefalsetruefalse3truetruetrue0.01100.0110falsefalsefalsetruefalse4truetruetrue0.01100.0110falsefalsefalsetruefalseOtherrr: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 falsefalseManagement Fees0rr_ManagementFeesOverAssetstruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.01100.0110falsefalsefalsetruefalse2truetruetrue0.01100.0110falsefalsefalsetruefalse3truetruetrue0.01100.0110falsefalsefalsetruefalse4truetruetrue0.01100.0110falsefalsefalsetruefalseOthernanafalsefalseManagement Fees2falseRowprimaryElement*4false0rr_DistributionAndService12b1FeesOverAssetsrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.00250.0025falsefalsefalsetruefalse2truetruetrue0.01000.0100falsefalsefalsetruefalse3truetruetrue0.00000.0000falsefalsefalsetruefalse4truetruetrue0.00000.0000falsefalsefalsetruefalseOtherrr: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 falsefalseDistribution and/or Service (12b-1) Fees0rr_DistributionAndService12b1FeesOverAssetstruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.00250.0025falsefalsefalsetruefalse2truetruetrue0.01000.0100falsefalsefalsetruefalse3truetruetrue0.00000.0000falsefalsefalsetruefalse4truetruetrue0.00000.0000falsefalsefalsetruefalseOthernanafalsefalseDistribution and/or Service (12b-1) Fees3falseRowprimaryElement*5false0rr_OtherExpensesOverAssetsrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.00900.0090[1]falsefalsefalsetruefalse2truetruetrue0.00890.0089[1]falsefalsefalsetruefalse3truetruetrue0.01000.0100[1]falsefalsefalsetruefalse4truetruetrue0.00640.0064[1]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 falsefalseOther Expenses0rr_OtherExpensesOverAssetstruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse[1]1truetruetrue0.00900.0090falsefalsefalsetruefalse2truetruetrue0.00890.0089falsefalsefalsetruefalse3truetruetrue0.01000.0100falsefalsefalsetruefalse4truetruetrue0.00640.0064falsefalsefalsetruefalseOthernanafalsefalseOther Expenses4falseRowprimaryElement*6false0rr_AcquiredFundFeesAndExpensesOverAssetsrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.00020.0002[1]falsefalsefalsetruefalse2truetruetrue0.00020.0002[1]falsefalsefalsetruefalse3truetruetrue0.00020.0002[1]falsefalsefalsetruefalse4truetruetrue0.00020.0002[1]falsefalsefalsetruefalseOtherrr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 11 -Subsection table falsefalseAcquired Fund Fees and Expenses0rr_AcquiredFundFeesAndExpensesOverAssetstruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse[1]1truetruetrue0.00020.0002falsefalsefalsetruefalse2truetruetrue0.00020.0002falsefalsefalsetruefalse3truetruetrue0.00020.0002falsefalsefalsetruefalse4truetruetrue0.00020.0002falsefalsefalsetruefalseOthernanafalsefalseAcquired Fund Fees and Expenses5falseRowprimaryElement*7false0rr_ExpensesOverAssetsrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.02270.0227falsefalsefalsetruefalse2truetruetrue0.03010.0301falsefalsefalsetruefalse3truetruetrue0.02120.0212falsefalsefalsetruefalse4truetruetrue0.01760.0176falsefalsefalsetruefalseOtherrr: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 falsefalseTotal Annual Fund Operating Expenses0rr_ExpensesOverAssetstruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.02270.0227falsefalsefalsetruefalse2truetruetrue0.03010.0301falsefalsefalsetruefalse3truetruetrue0.02120.0212falsefalsefalsetruefalse4truetruetrue0.01760.0176falsefalsefalsetruefalseOthernanafalsefalseTotal Annual Fund Operating Expenses6falseRowprimaryElement*8false0rr_FeeWaiverOrReimbursementOverAssetsrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegated1truetruetrue0.00510.0051[2]falsefalsefalsetruefalse2truetruetrue0.00500.0050[2]falsefalsefalsetruefalse3truetruetrue0.00610.0061[2]falsefalsefalsetruefalse4truetruetrue0.00400.0040[2]falsefalsefalsetruefalseOtherrr:NonPositivePure4TypepureTotal Annual Fund Operating Expenses. If there were expense reimbursement or fee waiver arrangements that reduced any Fund operating expenses and will continue to reduce them for no less than one year from the effective date of the Fund's registration statement, a Fund may add two captions to the table one caption showing the amount of the expense reimbursement or fee waiver, and a second caption showing the Fund's net expenses after subtracting the fee reimbursement or expense waiver from the total fund operating expenses. The Fund should place these additional captions directly below the "Total Annual Fund Operating Expenses" caption of the table and should use appropriate descriptive captions, such as "Fee Waiver [and/or Expense Reimbursement]" and "Total Annual Fund Operating Expenses After Fee Waiver [and/or Expense Reimbursement]," respectively. If the Fund provides this disclosure, also disclose the period for which the expense reimbursement or fee waiver arrangement is expected to continue, and briefly describe who can terminate the arrangement and under what circumstances.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 11 -Subsection table falsefalseFee Waiver and/or Expense Reimbursement0rr_FeeWaiverOrReimbursementOverAssetstruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse[2]1truetruetrue0.00510.0051falsefalsefalsetruefalse2truetruetrue0.00500.0050falsefalsefalsetruefalse3truetruetrue0.00610.0061falsefalsefalsetruefalse4truetruetrue0.00400.0040falsefalsefalsetruefalseOthernanafalsefalseFee Waiver and/or Expense Reimbursement7falseRowprimaryElement*9false0rr_NetExpensesOverAssetsrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.01760.0176falsefalsefalsetruefalse2truetruetrue0.02510.0251falsefalsefalsetruefalse3truetruetrue0.01510.0151falsefalsefalsetruefalse4truetruetrue0.01360.0136falsefalsefalsetruefalseOtherrr:NonNegativePure4TypepureTotal Annual Fund Operating Expenses.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 1 -Subparagraph 11 -Subsection table falsefalseTotal Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement0rr_NetExpensesOverAssetstruefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruetrue0.01760.0176falsefalsefalsetruefalse2truetruetrue0.02510.0251falsefalsefalsetruefalse3truetruetrue0.01510.0151falsefalsefalsetruefalse4truetruetrue0.01360.0136falsefalsefalsetruefalseOthernanafalsefalseTotal Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement1"Other Expenses" and "Acquired Fund Fees and Expenses" are based on estimated amounts for the current fiscal year.2Touchstone Advisors and the Trust have entered into an expense limitation agreement whereby Touchstone Advisors has contractually agreed to waive a portion of its fees and/or reimburse certain Fund expenses in order to limit annual fund operating expenses to 1.74%, 2.49%, 1.49% and 1.34% for Class A shares, Class C shares, Class Y shares and Institutional shares, respectively. This expense limitation will remain in effect until at least April 30, 2012 but can be terminated by a vote of the Board of Trustees of the Fund if they deem the termination to be beneficial to the Fund shareholders. See the discussion entitled "Contractual Fee Waiver Agreement" under the section entitled "The Fund's Management" in the Fund's prospectus for more information.47Annual Fund Operating Expenses Touchstone Emerging Markets Equity Fund IIUnKnownUnKnownUnKnownUnKnownfalsetrueColumnperiodPeriod*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.falsefalseAnnual Fund Operating Expenses [Table]12false0rr_ExpenseExampleHeadingrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00EXAMPLE.falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringHeading for Expense Example.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 4 -Subsection instructions falsefalseExpense Example, Heading13false0rr_ExpenseExampleNarrativeTextBlockrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<pre>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, except as indicated, redeem all of your shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same (reflecting the one year contractual fee waiver). Although your actual costs may be higher or lower, based on these assumptions your costs would be:</pre>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 falsefalseExpense Example, Narrative14false0rr_ExpenseExampleWithRedemptionTableTextBlockrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div style="display:none">~ http://www.TouchstoneInvestments.com/role/ExpenseExample_S000031901Member column primary compact * row dei_LegalEntityAxis compact * row rr_ProspectusShareClassAxis compact * ~</div>falsefalse<div style="display:none">~ http://www.TouchstoneInvestments.com/role/ExpenseExample_S000031901Member column primary compact * row dei_LegalEntityAxis compact * row rr_ProspectusShareClassAxis compact * ~</div>truehttp://www.TouchstoneInvestments.com/role/ExpenseExample_S000031901Memberfalsefalse0115 - Schedule - Expense Example {Transposed}truefalsefalse1falseColumndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*falsefalseTouchstone Emerging Markets Equity Fund IIdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000031901Memberdei_LegalEntityAxisexplicitMemberfalsefalseClass Arr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000099340Memberrr_ProspectusShareClassAxisexplicitMemberTouchstone Emerging Markets Equity Fund IIClass AfalseUSDfalsefalse$2falseColumndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*falsefalseTouchstone Emerging Markets Equity Fund IIdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000031901Memberdei_LegalEntityAxisexplicitMemberfalsefalseClass Crr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000099341Memberrr_ProspectusShareClassAxisexplicitMemberTouchstone Emerging Markets Equity Fund IIClass CfalseUSDfalsefalse$3falseColumndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*falsefalseTouchstone Emerging Markets Equity Fund IIdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000031901Memberdei_LegalEntityAxisexplicitMemberfalsefalseClass Yrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000099342Memberrr_ProspectusShareClassAxisexplicitMemberTouchstone Emerging Markets Equity Fund IIClass YfalseUSDfalsefalse$4falseColumndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*falsefalseTouchstone Emerging Markets Equity Fund IIdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000031901Memberdei_LegalEntityAxisexplicitMemberfalsefalseInstitutionalrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000099343Memberrr_ProspectusShareClassAxisexplicitMemberTouchstone Emerging Markets Equity Fund IIInstitutionalfalseUSDfalsefalse$1falseRowperiodPeriod*RowprimaryElement*RowunitUnit*3false0rr_ExpenseExampleYear01rrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue744744falsefalsefalsetruefalse2truefalsetrue357357falsefalsefalsetruefalse3truefalsetrue154154falsefalsefalsetruefalse4truefalsetrue138138falsefalsefalsetruefalseMonetaryrr: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 falsefalseExpense Example, With Redemption, 1 Yearduration2011-04-18T00:00:002011-04-18T00:00:00iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso421700rr_ExpenseExampleYear01truefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue744744falsefalsefalsetruefalse2truefalsetrue357357falsefalsefalsetruefalse3truefalsetrue154154falsefalsefalsetruefalse4truefalsetrue138138falsefalsefalsetruefalseOthernanafalsefalseExpense Example, With Redemption, 1 Year2falseRowperiodPeriod*RowprimaryElement*RowunitUnit*4false0rr_ExpenseExampleYear03rrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue11971197falsefalsefalsetruefalse2truefalsetrue883883falsefalsefalsetruefalse3truefalsetrue605605falsefalsefalsetruefalse4truefalsetrue515515falsefalsefalsetruefalseMonetaryrr: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 falsefalseExpense Example, With Redemption, 3 Yearsduration2011-04-18T00:00:002011-04-18T00:00:00iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso421700rr_ExpenseExampleYear03truefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue11971197falsefalsefalsetruefalse2truefalsetrue883883falsefalsefalsetruefalse3truefalsetrue605605falsefalsefalsetruefalse4truefalsetrue515515falsefalsefalsetruefalseOthernanafalsefalseExpense Example, With Redemption, 3 Years42Expense Example Touchstone Emerging Markets Equity Fund II (USD $)UnKnownUnKnownUnKnownUnKnownfalsetrueColumndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*RowperiodPeriod*RowprimaryElement*RowunitUnit*falsefalsefalseOtherus-types:textBlockItemTypestringContains a command for the SEC Viewer for the role corresponding to ExpenseExample.No authoritative reference available.falsefalseExpense Example, With Redemption [Table]15false0rr_ExpenseExampleNoRedemptionTableTextBlockrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div style="display:none">~ http://www.TouchstoneInvestments.com/role/ExpenseExampleNoRedemption_S000031901Member column primary compact * row dei_LegalEntityAxis compact * row rr_ProspectusShareClassAxis compact * ~</div>falsefalse<div style="display:none">~ http://www.TouchstoneInvestments.com/role/ExpenseExampleNoRedemption_S000031901Member column primary compact * row dei_LegalEntityAxis compact * row rr_ProspectusShareClassAxis compact * ~</div>truehttp://www.TouchstoneInvestments.com/role/ExpenseExampleNoRedemption_S000031901Memberfalsefalse0116 - Schedule - Expense Example, No Redemption {Transposed}truefalsefalse1falseColumndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*falsefalseTouchstone Emerging Markets Equity Fund IIdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000031901Memberdei_LegalEntityAxisexplicitMemberfalsefalseClass Crr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000099341Memberrr_ProspectusShareClassAxisexplicitMemberTouchstone Emerging Markets Equity Fund IIClass CfalseUSDfalsefalse$1falseRowperiodPeriod*RowprimaryElement*RowunitUnit*3false0rr_ExpenseExampleNoRedemptionYear01rrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue254254falsefalsefalsetruefalseMonetaryrr:NonNegativeMonetaryTypemonetaryYou would pay the following expenses if you did not redeem your shares. Include the second 1-, 3-, 5-, and 10-year periods and related narrative explanation only if a sales charge (load) or other fee is charged upon redemption.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 2 -Subparagraph 1 -Subsection example falsefalseExpense Example, No Redemption, 1 Yearduration2011-04-18T00:00:002011-04-18T00:00:00iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso421700rr_ExpenseExampleNoRedemptionYear01truefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue254254falsefalsefalsetruefalseOthernanafalsefalseExpense Example, No Redemption, 1 Year2falseRowperiodPeriod*RowprimaryElement*RowunitUnit*4false0rr_ExpenseExampleNoRedemptionYear03rrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue883883falsefalsefalsetruefalseMonetaryrr:NonNegativeMonetaryTypemonetaryYou would pay the following expenses if you did not redeem your shares. Include the second 1-, 3-, 5-, and 10-year periods and related narrative explanation only if a sales charge (load) or other fee is charged upon redemption.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 3 -Paragraph 2 -Subparagraph 1 -Subsection example falsefalseExpense Example, No Redemption, 3 Yearsduration2011-04-18T00:00:002011-04-18T00:00:00iso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso421700rr_ExpenseExampleNoRedemptionYear03truefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsetrue883883falsefalsefalsetruefalseOthernanafalsefalseExpense Example, No Redemption, 3 Years12Expense Example, No Redemption (USD $)UnKnownUnKnownUnKnownUnKnownfalsetrueColumndei_LegalEntityAxisAxis*Columnrr_ProspectusShareClassAxisAxis*RowperiodPeriod*RowprimaryElement*RowunitUnit*falsefalsefalseOtherus-types:textBlockItemTypestringContains a command for the SEC Viewer for the role corresponding to ExpenseExampleNoRedemption.No authoritative reference available.falsefalseExpense Example, No Redemption [Table]16false0rr_PortfolioTurnoverHeadingrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00PORTFOLIO TURNOVER.falsefalsefalsefalsefalseOtherxbrli: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 falsefalsePortfolio Turnover, Heading17false0rr_PortfolioTurnoverTextBlockrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<pre>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 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. The Fund's portfolio turnover rate is not included because the Fund had not commenced operations as of September 30, 2010.</pre>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 falsefalsePortfolio Turnover18false0rr_StrategyHeadingrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00THE FUND'S PRINCIPAL INVESTMENT STRATEGIESfalsefalsefalsefalsefalseOtherxbrli: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 falsefalseInvestment Strategy, Heading19false0rr_StrategyNarrativeTextBlockrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<pre>The Touchstone Emerging Markets Equity Fund II invests, under normal market conditions, at least 80% of its net assets (including borrowings for investment purposes) in equity securities, which includes common stock, preferred stock, convertible bonds and warrants, of companies located in emerging markets. This is a non-fundamental investment policy that can be changed by the Fund upon 60 days' prior notice to shareholders. For purposes of the Fund, an emerging market is one: o That is included in the Morgan Stanley Capital International ("MSCI") Emerging Markets Index; o That is considered by the Sub-Advisor, AGF Investments America Inc. ("AGF"), to have an economy and financial system comparable to countries included in the MSCI Emerging Markets Index based on a country's economic development, size, liquidity and market accessibility and technically meets the existing MSCI market classification framework for inclusion in the MSCI Emerging Markets Index when it is reviewed; or o Whose economic activity and capital markets are dependent on emerging market countries. Examples include Hong Kong and Singapore. The Fund invests in securities of companies operating in a broad range of industries. AGF invests in businesses that it believes are mispriced by the market and that are expected to generate positive and sustainable earnings growth. AGF believes that these companies should be able to achieve positive economic profits over time. In assessing company valuations, AGF uses the Economic Value-Added ("EVA") approach and considers factors such as cash flow return on investment, franchise value, competitive advantage, and investment profile. In-depth, proprietary fundamental research conducted globally by the team of portfolio managers and analysts is used to seek emerging market securities with sustainable earnings growth prospects that are not recognized by the market, and are priced at attractive valuations. The Fund generally holds 50 to 70 securities and attempts to broadly diversify its investments among securities and countries by limiting its exposure to a particular company or country. The Fund's weight in any individual country is limited to 20% at purchase. AGF generally considers selling a security when it reaches fair value estimate, when earnings forecasts do not appear to justify the current price, when there has been or there is an expectation of an adverse change in the company's fundamentals, or when other opportunities appear more attractive. The Fund invests primarily in medium to large capitalization companies in seeking to achieve its investment goal. Medium to large capitalization companies are defined as those companies with market capitalizations of $1.5 billion or greater. These securities may be traded over the counter or listed on an exchange.</pre>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 falsefalseInvestment Strategy, Narrative20false0rr_RiskHeadingrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00THE PRINCIPAL RISKSfalsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNarrative Risk Disclosure.Reference 1: 1 -Publisher SEC -Name Form -Number N-1A -Chapter A -Section 4 -Paragraph 1 -Subsection b falsefalseRisk, Heading21false0rr_RiskNarrativeTextBlockrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<pre>The Fund's share price will fluctuate. You could lose money on your investment in the Fund and the Fund could also return less than other investments. Since it purchases common stocks, the Fund is subject to the risk that stock prices will fall over short or extended periods of time. The Fund's investment approach is intended to provide capital appreciation, which carries with it the potential for price volatility associated with owning equity securities. Historically, the equity markets have moved in cycles. The value of the Fund's equity securities may fluctuate from day to day. Individual companies may report poor results or be negatively affected by industry and/or economic trends and developments. The prices of securities issued by these companies may decline in response to such developments, which could result in a decline in the value of the Fund's shares. These factors contribute to price volatility, which is the principal risk of investing in the Fund. In addition, common stocks represent a share of ownership in a company, and rank after bonds and preferred stock in their claim on the company's assets in the event of liquidation. Medium capitalization companies may be more thinly traded and may have more frequent and larger price changes than securities of large capitalization companies. Large capitalization companies may be unable to respond quickly to new competitive challenges, such as changes in technology and consumer tastes, and also may not be able to attain the high growth rate of successful smaller companies, especially during extended periods of economic expansion. Investing in foreign securities poses additional risks since political and economic events unique in a country or region will affect those markets and their issuers. These events will not necessarily affect the U.S. economy or similar issuers located in the United States. In addition, investments in foreign securities are generally denominated in foreign currency. As a result, changes in the value of those currencies compared to the U.S. dollar may affect (positively or negatively) the value of the Fund's investments. These currency movements may happen separately from, or in response to, events that do not otherwise affect the value of the security in the issuer's home country. There is a risk that foreign securities may not be subject to accounting standards or governmental supervision comparable to U.S. companies and that less public information about their operations may exist. There is risk associated with the clearance and settlement procedures in non-U.S. markets, which may be unable to keep pace with the volume of securities transactions and may cause delays. Foreign markets may be less liquid and more volatile than U.S. markets and offer less protection to investors. Over-the-counter securities may also be less liquid than exchange-traded securities. Foreign receipts, which include American Depositary Receipts ("ADRs") and Global Depositary Receipts ("GDRs"), are securities that evidence ownership interests in a security or a pool of securities issued by a foreign issuer. ADRs may be available through "sponsored" or "unsponsored" facilities. A sponsored facility is established jointly by the issuer of the security underlying the receipt and a depositary, whereas an unsponsored facility may be established by a depositary without participation by the issuer of the underlying security. The depositary of an unsponsored facility frequently is under no obligation to distribute shareholder communications received from the issuer of the deposited security or to pass through voting rights with respect to the deposited security. Emerging markets may be more likely to experience political turmoil or rapid changes in market or economic conditions than more developed countries. In addition, the financial stability of issuers (including governments) in emerging market countries may be more precarious than in other countries. As a result, there will tend to be an increased risk of price volatility associated with the Fund's investments in emerging market countries, which may be magnified by currency fluctuations relative to the U.S. dollar. This Fund should only be purchased by investors seeking capital appreciation who can withstand the share price volatility of emerging markets investing. As with any mutual fund, there is no guarantee that the Fund will achieve its investment goal. You can find more information about the Fund's investments and risks under the "Investment Strategies and Risks" section of the Fund's Prospectus.</pre>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 falsefalseRisk, Narrative22false0rr_BarChartAndPerformanceTableHeadingrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00THE FUND'S 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 falsefalseBar Chart and Performance Table, Heading23false0rr_PerformanceNarrativeTextBlockrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<pre>The Fund's performance information is only shown when the Fund has had a full calendar year of operations. Since the Fund began operations in April 2011, there is no performance information included in this Prospectus.</pre>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 falsefalsePerformance, Narrative122Risk/Return Summary (Touchstone Emerging Markets Equity Fund II) (Touchstone Emerging Markets Equity Fund II (Prospectus Summary), Touchstone Emerging Markets Equity Fund II)UnKnownUnKnownUnKnownUnKnownfalsetrue