2.2.0.25truefalse00101 - Document - Document And Entity Information {Elements}truetruefalse1falsefalsefalsefalse4/19/2011 - 4/19/2011 eol_0001144204-11-004672_STD_1_20110419_0http://www.sec.gov/CIK0000914243duration2011-04-19T00:00:002011-04-19T00:00:00pureStandardhttp://www.xbrl.org/2003/instancepure02true0rr_RiskReturnAbstractrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseRisk/Return:3false0dei_DocumentTypedeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00OtherfalsefalsefalsefalsefalseOtherus-types:SECReportItemTypenaThe type of document being provided (such as 10-K, 10-Q, N-1A, etc). The document type should be limited to the same value as the supporting SEC submission type. The acceptable values are as follows: S-1, S-3, S-4, S-11, F-1, F-3, F-4, F-9, F-10, 6-K, 8-K, 10, 10-K, 10-Q, 20-F, 40-F, N-1A, 485BPOS, NCSR, N-Q, and Other.No authoritative reference available.falsefalseDocument Type4false0dei_DocumentPeriodEndDatedeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse002010-09-30falsefalsetruefalsefalseOtherxbrli:dateItemTypedateThe end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements this will be the filing date. The format of the date is CCYY-MM-DD.No authoritative reference available.falsefalseDocument Period End Date5false0dei_EntityRegistrantNamedeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00TOUCHSTONE FUNDS GROUP TRUSTfalsefalsefalsefalsefalseOtherxbrli:normalizedStringItemTypenormalizedstringThe exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation 12B -Number 240 -Section 12b -Subsection 1 falsefalseRegistrant Name6false0dei_EntityCentralIndexKeydeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse000000914243falsefalsefalsefalsefalseOtherus-types:centralIndexKeyItemTypenaA unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation 12B -Number 240 -Section 12b -Subsection 1 falsefalseCentral Index Key7false0dei_AmendmentFlagdeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalsefalseOtherxbrli:booleanItemTypenaIf the value is true, then the document as an amendment to previously-filed/accepted document.No authoritative reference available.falsefalseAmendment Flag8false0dei_DocumentCreationDatedeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse002011-04-19falsefalsetruefalsefalseOtherxbrli:dateItemTypedateThe date the document was made available and submitted, in CCYY-MM-DD format. The date of submission, date of acceptance by the recipient, and the document effective date are all potentially different.No authoritative reference available.falsefalseDocument Creation Date9false0dei_DocumentEffectiveDatedeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse002011-04-19falsefalsetruefalsefalseOtherxbrli:dateItemTypedateThe date when a document, upon receipt and acceptance, becomes officially effective, in CCYY-MM-DD format. Usually it is a system-assigned date time value, but it may be declared by the submitter in some cases.No authoritative reference available.falsefalseDocument Effective Date10false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.touchstoneinvestments.com/role/documentdocumentandentityinformation1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsetruefalse{dei_DocumentInformationDocumentAxis} : SummaryS000006455 Member {dei_LegalEntityAxis} : S000006455 Member {rr_ProspectusShareClassAxis} : C000017653 Member 4/19/2011 - 4/19/2011 eol_0001144204-11-004672_STD_1_20110419_0_396770x-9995483_396840x-9992399_429423x-9995549http://www.sec.gov/CIK0000914243duration2011-04-19T00:00:002011-04-19T00:00:00falsefalseTOUCHSTONE HEALTHCARE AND BIOTECHNOLOGY FUND (Prospectus Summary)dei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_SummaryS000006455Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalseTOUCHSTONE HEALTHCARE AND BIOTECHNOLOGY FUNDdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000006455Memberdei_LegalEntityAxisexplicitMemberfalsefalseTOUCHSTONE HEALTHCARE AND BIOTECHNOLOGY FUND - CLASS Arr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000017653Memberrr_ProspectusShareClassAxisexplicitMemberpureStandardhttp://www.xbrl.org/2003/instancepure0OthernaNo definition available.No authoritative reference available.falsefalseTOUCHSTONE HEALTHCARE AND BIOTECHNOLOGY FUND (Prospectus Summary) | TOUCHSTONE HEALTHCARE AND BIOTECHNOLOGY FUND | TOUCHSTONE HEALTHCARE AND BIOTECHNOLOGY FUND - CLASS A11true0rr_RiskReturnAbstractrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseRisk/Return:12false0dei_TradingSymboldeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00THBCXfalsefalsefalsefalsefalseOtherxbrli:normalizedStringItemTypenormalizedstringTrading symbol of an instrument as listed on an exchange.No authoritative reference available.falsefalseTrading Symbol13false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.touchstoneinvestments.com/role/documentdocumentandentityinformation1falsefalsefalse00falsefalsefalsefalsefalse3falsefalsetruefalse{dei_DocumentInformationDocumentAxis} : SummaryS000006455 Member {dei_LegalEntityAxis} : S000006455 Member {rr_ProspectusShareClassAxis} : C000039640 Member 4/19/2011 - 4/19/2011 eol_0001144204-11-004672_STD_1_20110419_0_396770x-9995483_396840x-9992399_429423x-9995545http://www.sec.gov/CIK0000914243duration2011-04-19T00:00:002011-04-19T00:00:00falsefalseTOUCHSTONE HEALTHCARE AND BIOTECHNOLOGY FUND (Prospectus Summary)dei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_SummaryS000006455Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalseTOUCHSTONE HEALTHCARE AND BIOTECHNOLOGY FUNDdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000006455Memberdei_LegalEntityAxisexplicitMemberfalsefalseTOUCHSTONE HEALTHCARE AND BIOTECHNOLOGY FUND - Class Crr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000039640Memberrr_ProspectusShareClassAxisexplicitMemberOthernaNo definition available.No authoritative reference available.falsefalseTOUCHSTONE HEALTHCARE AND BIOTECHNOLOGY FUND (Prospectus Summary) | TOUCHSTONE HEALTHCARE AND BIOTECHNOLOGY FUND | TOUCHSTONE HEALTHCARE AND BIOTECHNOLOGY FUND - Class C14true0rr_RiskReturnAbstractrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseRisk/Return:15false0dei_TradingSymboldeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00THBFXfalsefalsefalsefalsefalseOtherxbrli:normalizedStringItemTypenormalizedstringTrading symbol of an instrument as listed on an exchange.No authoritative reference available.falsefalseTrading Symbol16false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.touchstoneinvestments.com/role/documentdocumentandentityinformation1falsefalsefalse00falsefalsefalsefalsefalse4falsefalsetruefalse{dei_DocumentInformationDocumentAxis} : SummaryS000005842 Member {dei_LegalEntityAxis} : S000005842 Member {rr_ProspectusShareClassAxis} : C000048891 Member 4/19/2011 - 4/19/2011 eol_0001144204-11-004672_STD_1_20110419_0_396770x-9995485_396840x-9992401_429423x-9995544http://www.sec.gov/CIK0000914243duration2011-04-19T00:00:002011-04-19T00:00:00falsefalseTOUCHSTONE MID CAP FUND (Prospectus Summary)dei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_SummaryS000005842Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalseTOUCHSTONE MID CAP FUNDdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000005842Memberdei_LegalEntityAxisexplicitMemberfalsefalseTOUCHSTONE MID CAP FUND - Class Arr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000048891Memberrr_ProspectusShareClassAxisexplicitMemberOthernaNo definition available.No authoritative reference available.falsefalseTOUCHSTONE MID CAP FUND (Prospectus Summary) | TOUCHSTONE MID CAP FUND | TOUCHSTONE MID CAP FUND - Class A17true0rr_RiskReturnAbstractrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseRisk/Return:18false0dei_TradingSymboldeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00TMAPXfalsefalsefalsefalsefalseOtherxbrli:normalizedStringItemTypenormalizedstringTrading symbol of an instrument as listed on an exchange.No authoritative reference available.falsefalseTrading Symbol19false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.touchstoneinvestments.com/role/documentdocumentandentityinformation1falsefalsefalse00falsefalsefalsefalsefalse5falsefalsetruefalse{dei_DocumentInformationDocumentAxis} : SummaryS000005842 Member {dei_LegalEntityAxis} : S000005842 Member {rr_ProspectusShareClassAxis} : C000048892 Member 4/19/2011 - 4/19/2011 eol_0001144204-11-004672_STD_1_20110419_0_396770x-9995485_396840x-9992401_429423x-9995543http://www.sec.gov/CIK0000914243duration2011-04-19T00:00:002011-04-19T00:00:00falsefalseTOUCHSTONE MID CAP FUND (Prospectus Summary)dei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_SummaryS000005842Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalseTOUCHSTONE MID CAP FUNDdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000005842Memberdei_LegalEntityAxisexplicitMemberfalsefalseTOUCHSTONE MID CAP FUND - Class Crr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000048892Memberrr_ProspectusShareClassAxisexplicitMemberOthernaNo definition available.No authoritative reference available.falsefalseTOUCHSTONE MID CAP FUND (Prospectus Summary) | TOUCHSTONE MID CAP FUND | TOUCHSTONE MID CAP FUND - Class C20true0rr_RiskReturnAbstractrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseRisk/Return:21false0dei_TradingSymboldeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00TMCJXfalsefalsefalsefalsefalseOtherxbrli:normalizedStringItemTypenormalizedstringTrading symbol of an instrument as listed on an exchange.No authoritative reference available.falsefalseTrading Symbol22false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.touchstoneinvestments.com/role/documentdocumentandentityinformation1falsefalsefalse00falsefalsefalsefalsefalse6falsefalsetruefalse{dei_DocumentInformationDocumentAxis} : SummaryS000005842 Member {dei_LegalEntityAxis} : S000005842 Member {rr_ProspectusShareClassAxis} : C000016016 Member 4/19/2011 - 4/19/2011 eol_0001144204-11-004672_STD_1_20110419_0_396770x-9995485_396840x-9992401_429423x-9995551http://www.sec.gov/CIK0000914243duration2011-04-19T00:00:002011-04-19T00:00:00falsefalseTOUCHSTONE MID CAP FUND (Prospectus Summary)dei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_SummaryS000005842Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalseTOUCHSTONE MID CAP FUNDdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000005842Memberdei_LegalEntityAxisexplicitMemberfalsefalseTOUCHSTONE MID CAP FUND - Class Yrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000016016Memberrr_ProspectusShareClassAxisexplicitMemberpureStandardhttp://www.xbrl.org/2003/instancepure0OthernaNo definition available.No authoritative reference available.falsefalseTOUCHSTONE MID CAP FUND (Prospectus Summary) | TOUCHSTONE MID CAP FUND | TOUCHSTONE MID CAP FUND - Class Y23true0rr_RiskReturnAbstractrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseRisk/Return:24false0dei_TradingSymboldeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00TMCPXfalsefalsefalsefalsefalseOtherxbrli:normalizedStringItemTypenormalizedstringTrading symbol of an instrument as listed on an exchange.No authoritative reference available.falsefalseTrading Symbol25false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.touchstoneinvestments.com/role/documentdocumentandentityinformation1falsefalsefalse00falsefalsefalsefalsefalse7falsefalsetruefalse{dei_DocumentInformationDocumentAxis} : SummaryS000005842 Member {dei_LegalEntityAxis} : S000005842 Member {rr_ProspectusShareClassAxis} : C000039629 Member 4/19/2011 - 4/19/2011 eol_0001144204-11-004672_STD_1_20110419_0_396770x-9995485_396840x-9992401_429423x-9995546http://www.sec.gov/CIK0000914243duration2011-04-19T00:00:002011-04-19T00:00:00falsefalseTOUCHSTONE MID CAP FUND (Prospectus Summary)dei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_SummaryS000005842Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalseTOUCHSTONE MID CAP FUNDdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000005842Memberdei_LegalEntityAxisexplicitMemberfalsefalseTOUCHSTONE MID CAP FUND - Class Zrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000039629Memberrr_ProspectusShareClassAxisexplicitMemberOthernaNo definition available.No authoritative reference available.falsefalseTOUCHSTONE MID CAP FUND (Prospectus Summary) | TOUCHSTONE MID CAP FUND | TOUCHSTONE MID CAP FUND - Class Z26true0rr_RiskReturnAbstractrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseRisk/Return:27false0dei_TradingSymboldeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00TMCTXfalsefalsefalsefalsefalseOtherxbrli:normalizedStringItemTypenormalizedstringTrading symbol of an instrument as listed on an exchange.No authoritative reference available.falsefalseTrading Symbol28false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.touchstoneinvestments.com/role/documentdocumentandentityinformation1falsefalsefalse00falsefalsefalsefalsefalse8falsefalsetruefalse{dei_DocumentInformationDocumentAxis} : SummaryS000019681 Member {dei_LegalEntityAxis} : S000019681 Member {rr_ProspectusShareClassAxis} : C000055086 Member 4/19/2011 - 4/19/2011 eol_0001144204-11-004672_STD_1_20110419_0_396770x-9995480_396840x-9992396_429423x-9995540http://www.sec.gov/CIK0000914243duration2011-04-19T00:00:002011-04-19T00:00:00falsefalseTOUCHSTONE PREMIUM YIELD EQUITY FUND (Prospectus Summary)dei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_SummaryS000019681Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalseTOUCHSTONE PREMIUM YIELD EQUITY FUNDdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000019681Memberdei_LegalEntityAxisexplicitMemberfalsefalseTOUCHSTONE PREMIUM YIELD EQUITY FUND - CLASS Arr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000055086Memberrr_ProspectusShareClassAxisexplicitMemberpureStandardhttp://www.xbrl.org/2003/instancepure0OthernaNo definition available.No authoritative reference available.falsefalseTOUCHSTONE PREMIUM YIELD EQUITY FUND (Prospectus Summary) | TOUCHSTONE PREMIUM YIELD EQUITY FUND | TOUCHSTONE PREMIUM YIELD EQUITY FUND - CLASS A29true0rr_RiskReturnAbstractrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseRisk/Return:30false0dei_TradingSymboldeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00TPYAXfalsefalsefalsefalsefalseOtherxbrli:normalizedStringItemTypenormalizedstringTrading symbol of an instrument as listed on an exchange.No authoritative reference available.falsefalseTrading Symbol31false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.touchstoneinvestments.com/role/documentdocumentandentityinformation1falsefalsefalse00falsefalsefalsefalsefalse9falsefalsetruefalse{dei_DocumentInformationDocumentAxis} : SummaryS000019681 Member {dei_LegalEntityAxis} : S000019681 Member {rr_ProspectusShareClassAxis} : C000055087 Member 4/19/2011 - 4/19/2011 eol_0001144204-11-004672_STD_1_20110419_0_396770x-9995480_396840x-9992396_429423x-9995539http://www.sec.gov/CIK0000914243duration2011-04-19T00:00:002011-04-19T00:00:00falsefalseTOUCHSTONE PREMIUM YIELD EQUITY FUND (Prospectus Summary)dei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_SummaryS000019681Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalseTOUCHSTONE PREMIUM YIELD EQUITY FUNDdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000019681Memberdei_LegalEntityAxisexplicitMemberfalsefalseTOUCHSTONE PREMIUM YIELD EQUITY FUND - CLASS Crr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000055087Memberrr_ProspectusShareClassAxisexplicitMemberOthernaNo definition available.No authoritative reference available.falsefalseTOUCHSTONE PREMIUM YIELD EQUITY FUND (Prospectus Summary) | TOUCHSTONE PREMIUM YIELD EQUITY FUND | TOUCHSTONE PREMIUM YIELD EQUITY FUND - CLASS C32true0rr_RiskReturnAbstractrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseRisk/Return:33false0dei_TradingSymboldeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00 TPYCXfalsefalsefalsefalsefalseOtherxbrli:normalizedStringItemTypenormalizedstringTrading symbol of an instrument as listed on an exchange.No authoritative reference available.falsefalseTrading Symbol34false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.touchstoneinvestments.com/role/documentdocumentandentityinformation1falsefalsefalse00falsefalsefalsefalsefalse10falsefalsetruefalse{dei_DocumentInformationDocumentAxis} : SummaryS000019681 Member {dei_LegalEntityAxis} : S000019681 Member {rr_ProspectusShareClassAxis} : C000067757 Member 4/19/2011 - 4/19/2011 eol_0001144204-11-004672_STD_1_20110419_0_396770x-9995480_396840x-9992396_429423x-9995538http://www.sec.gov/CIK0000914243duration2011-04-19T00:00:002011-04-19T00:00:00falsefalseTOUCHSTONE PREMIUM YIELD EQUITY FUND (Prospectus Summary)dei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_SummaryS000019681Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalseTOUCHSTONE PREMIUM YIELD EQUITY FUNDdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000019681Memberdei_LegalEntityAxisexplicitMemberfalsefalseTOUCHSTONE PREMIUM YIELD EQUITY FUND - Class Yrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000067757Memberrr_ProspectusShareClassAxisexplicitMemberOthernaNo definition available.No authoritative reference available.falsefalseTOUCHSTONE PREMIUM YIELD EQUITY FUND (Prospectus Summary) | TOUCHSTONE PREMIUM YIELD EQUITY FUND | TOUCHSTONE PREMIUM YIELD EQUITY FUND - Class Y35true0rr_RiskReturnAbstractrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseRisk/Return:36false0dei_TradingSymboldeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00TPYYXfalsefalsefalsefalsefalseOtherxbrli:normalizedStringItemTypenormalizedstringTrading symbol of an instrument as listed on an exchange.No authoritative reference available.falsefalseTrading Symbol37false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.touchstoneinvestments.com/role/documentdocumentandentityinformation1falsefalsefalse00falsefalsefalsefalsefalse11falsefalsetruefalse{dei_DocumentInformationDocumentAxis} : SummaryS000005840 Member {dei_LegalEntityAxis} : S000005840 Member {rr_ProspectusShareClassAxis} : C000093498 Member 4/19/2011 - 4/19/2011 eol_0001144204-11-004672_STD_1_20110419_0_396770x-9995487_396840x-9992403_429423x-9995493http://www.sec.gov/CIK0000914243duration2011-04-19T00:00:002011-04-19T00:00:00falsefalseTOUCHSTONE SANDS CAPITAL SELECT GROWTH FUND (Prospectus Summary)dei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_SummaryS000005840Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalseTOUCHSTONE SANDS CAPITAL SELECT GROWTH FUNDdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000005840Memberdei_LegalEntityAxisexplicitMemberfalsefalseTOUCHSTONE SANDS CAPITAL SELECT GROWTH FUND - Class Arr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000093498Memberrr_ProspectusShareClassAxisexplicitMemberOthernaNo definition available.No authoritative reference available.falsefalseTOUCHSTONE SANDS CAPITAL SELECT GROWTH FUND (Prospectus Summary) | TOUCHSTONE SANDS CAPITAL SELECT GROWTH FUND | TOUCHSTONE SANDS CAPITAL SELECT GROWTH FUND - Class A38true0rr_RiskReturnAbstractrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseRisk/Return:39false0dei_TradingSymboldeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00TSNAXfalsefalsefalsefalsefalseOtherxbrli:normalizedStringItemTypenormalizedstringTrading symbol of an instrument as listed on an exchange.No authoritative reference available.falsefalseTrading Symbol40false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.touchstoneinvestments.com/role/documentdocumentandentityinformation1falsefalsefalse00falsefalsefalsefalsefalse12falsefalsetruefalse{dei_DocumentInformationDocumentAxis} : SummaryS000005840 Member {dei_LegalEntityAxis} : S000005840 Member {rr_ProspectusShareClassAxis} : C000093499 Member 4/19/2011 - 4/19/2011 eol_0001144204-11-004672_STD_1_20110419_0_396770x-9995487_396840x-9992403_429423x-9995492http://www.sec.gov/CIK0000914243duration2011-04-19T00:00:002011-04-19T00:00:00falsefalseTOUCHSTONE SANDS CAPITAL SELECT GROWTH FUND (Prospectus Summary)dei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_SummaryS000005840Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalseTOUCHSTONE SANDS CAPITAL SELECT GROWTH FUNDdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000005840Memberdei_LegalEntityAxisexplicitMemberfalsefalseTOUCHSTONE SANDS CAPITAL SELECT GROWTH FUND - Class Crr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000093499Memberrr_ProspectusShareClassAxisexplicitMemberOthernaNo definition available.No authoritative reference available.falsefalseTOUCHSTONE SANDS CAPITAL SELECT GROWTH FUND (Prospectus Summary) | TOUCHSTONE SANDS CAPITAL SELECT GROWTH FUND | TOUCHSTONE SANDS CAPITAL SELECT GROWTH FUND - Class C41true0rr_RiskReturnAbstractrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseRisk/Return:42false0dei_TradingSymboldeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00TSNCXfalsefalsefalsefalsefalseOtherxbrli:normalizedStringItemTypenormalizedstringTrading symbol of an instrument as listed on an exchange.No authoritative reference available.falsefalseTrading Symbol43false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.touchstoneinvestments.com/role/documentdocumentandentityinformation1falsefalsefalse00falsefalsefalsefalsefalse13falsefalsetruefalse{dei_DocumentInformationDocumentAxis} : SummaryS000005840 Member {dei_LegalEntityAxis} : S000005840 Member {rr_ProspectusShareClassAxis} : C000016014 Member 4/19/2011 - 4/19/2011 eol_0001144204-11-004672_STD_1_20110419_0_396770x-9995487_396840x-9992403_429423x-9995553http://www.sec.gov/CIK0000914243duration2011-04-19T00:00:002011-04-19T00:00:00falsefalseTOUCHSTONE SANDS CAPITAL SELECT GROWTH FUND (Prospectus Summary)dei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_SummaryS000005840Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalseTOUCHSTONE SANDS CAPITAL SELECT GROWTH FUNDdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000005840Memberdei_LegalEntityAxisexplicitMemberfalsefalseTOUCHSTONE SANDS CAPITAL SELECT GROWTH FUND - CLASS Zrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000016014Memberrr_ProspectusShareClassAxisexplicitMemberpureStandardhttp://www.xbrl.org/2003/instancepure0OthernaNo definition available.No authoritative reference available.falsefalseTOUCHSTONE SANDS CAPITAL SELECT GROWTH FUND (Prospectus Summary) | TOUCHSTONE SANDS CAPITAL SELECT GROWTH FUND | TOUCHSTONE SANDS CAPITAL SELECT GROWTH FUND - CLASS Z44true0rr_RiskReturnAbstractrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseRisk/Return:45false0dei_TradingSymboldeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00PTSGXfalsefalsefalsefalsefalseOtherxbrli:normalizedStringItemTypenormalizedstringTrading symbol of an instrument as listed on an exchange.No authoritative reference available.falsefalseTrading Symbol46false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.touchstoneinvestments.com/role/documentdocumentandentityinformation1falsefalsefalse00falsefalsefalsefalsefalse14falsefalsetruefalse{dei_DocumentInformationDocumentAxis} : SummaryS000005840 Member {dei_LegalEntityAxis} : S000005840 Member {rr_ProspectusShareClassAxis} : C000016013 Member 4/19/2011 - 4/19/2011 eol_0001144204-11-004672_STD_1_20110419_0_396770x-9995487_396840x-9992403_429423x-9995554http://www.sec.gov/CIK0000914243duration2011-04-19T00:00:002011-04-19T00:00:00falsefalseTOUCHSTONE SANDS CAPITAL SELECT GROWTH FUND (Prospectus Summary)dei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_SummaryS000005840Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalseTOUCHSTONE SANDS CAPITAL SELECT GROWTH FUNDdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000005840Memberdei_LegalEntityAxisexplicitMemberfalsefalseTOUCHSTONE SANDS CAPITAL SELECT GROWTH FUND - CLASS Yrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000016013Memberrr_ProspectusShareClassAxisexplicitMemberOthernaNo definition available.No authoritative reference available.falsefalseTOUCHSTONE SANDS CAPITAL SELECT GROWTH FUND (Prospectus Summary) | TOUCHSTONE SANDS CAPITAL SELECT GROWTH FUND | TOUCHSTONE SANDS CAPITAL SELECT GROWTH FUND - CLASS Y47true0rr_RiskReturnAbstractrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseRisk/Return:48false0dei_TradingSymboldeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00CFSIXfalsefalsefalsefalsefalseOtherxbrli:normalizedStringItemTypenormalizedstringTrading symbol of an instrument as listed on an exchange.No authoritative reference available.falsefalseTrading Symbol49false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.touchstoneinvestments.com/role/documentdocumentandentityinformation1falsefalsefalse00falsefalsefalsefalsefalse15falsefalsetruefalse{dei_DocumentInformationDocumentAxis} : SummaryS000005841 Member {dei_LegalEntityAxis} : S000005841 Member {rr_ProspectusShareClassAxis} : C000076798 Member 4/19/2011 - 4/19/2011 eol_0001144204-11-004672_STD_1_20110419_0_396770x-9995486_396840x-9992402_429423x-9995537http://www.sec.gov/CIK0000914243duration2011-04-19T00:00:002011-04-19T00:00:00falsefalseTOUCHSTONE SHORT DURATION FIXED INCOME FUND (Prospectus Summary)dei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_SummaryS000005841Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalseTOUCHSTONE SHORT DURATION FIXED INCOME FUNDdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000005841Memberdei_LegalEntityAxisexplicitMemberfalsefalseTOUCHSTONE SHORT DURATION FIXED INCOME FUND - CLASS Yrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000076798Memberrr_ProspectusShareClassAxisexplicitMemberOthernaNo definition available.No authoritative reference available.falsefalseTOUCHSTONE SHORT DURATION FIXED INCOME FUND (Prospectus Summary) | TOUCHSTONE SHORT DURATION FIXED INCOME FUND | TOUCHSTONE SHORT DURATION FIXED INCOME FUND - CLASS Y50true0rr_RiskReturnAbstractrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseRisk/Return:51false0dei_TradingSymboldeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00TSDYXfalsefalsefalsefalsefalseOtherxbrli:normalizedStringItemTypenormalizedstringTrading symbol of an instrument as listed on an exchange.No authoritative reference available.falsefalseTrading Symbol52false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.touchstoneinvestments.com/role/documentdocumentandentityinformation1falsefalsefalse00falsefalsefalsefalsefalse16falsefalsetruefalse{dei_DocumentInformationDocumentAxis} : SummaryS000005841 Member {dei_LegalEntityAxis} : S000005841 Member {rr_ProspectusShareClassAxis} : C000016015 Member 4/19/2011 - 4/19/2011 eol_0001144204-11-004672_STD_1_20110419_0_396770x-9995486_396840x-9992402_429423x-9995552http://www.sec.gov/CIK0000914243duration2011-04-19T00:00:002011-04-19T00:00:00falsefalseTOUCHSTONE SHORT DURATION FIXED INCOME FUND (Prospectus Summary)dei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_SummaryS000005841Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalseTOUCHSTONE SHORT DURATION FIXED INCOME FUNDdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000005841Memberdei_LegalEntityAxisexplicitMemberfalsefalseTOUCHSTONE SHORT DURATION FIXED INCOME FUND - CLASS Zrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000016015Memberrr_ProspectusShareClassAxisexplicitMemberpureStandardhttp://www.xbrl.org/2003/instancepure0OthernaNo definition available.No authoritative reference available.falsefalseTOUCHSTONE SHORT DURATION FIXED INCOME FUND (Prospectus Summary) | TOUCHSTONE SHORT DURATION FIXED INCOME FUND | TOUCHSTONE SHORT DURATION FIXED INCOME FUND - CLASS Z53true0rr_RiskReturnAbstractrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseRisk/Return:54false0dei_TradingSymboldeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00TSDGXfalsefalsefalsefalsefalseOtherxbrli:normalizedStringItemTypenormalizedstringTrading symbol of an instrument as listed on an exchange.No authoritative reference available.falsefalseTrading Symbol55false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.touchstoneinvestments.com/role/documentdocumentandentityinformation1falsefalsefalse00falsefalsefalsefalsefalse17falsefalsetruefalse{dei_DocumentInformationDocumentAxis} : SummaryS000005850 Member {dei_LegalEntityAxis} : S000005850 Member {rr_ProspectusShareClassAxis} : C000016024 Member 4/19/2011 - 4/19/2011 eol_0001144204-11-004672_STD_1_20110419_0_396770x-9995484_396840x-9992400_429423x-9995550http://www.sec.gov/CIK0000914243duration2011-04-19T00:00:002011-04-19T00:00:00falsefalseTOUCHSTONE INTERMEDIATE FIXED INCOME FUND (Prospectus Summary)dei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_SummaryS000005850Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalseTOUCHSTONE INTERMEDIATE FIXED INCOME FUNDdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000005850Memberdei_LegalEntityAxisexplicitMemberfalsefalseTOUCHSTONE INTERMEDIATE FIXED INCOME FUND - Institutional sharesrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000016024Memberrr_ProspectusShareClassAxisexplicitMemberpureStandardhttp://www.xbrl.org/2003/instancepure0OthernaNo definition available.No authoritative reference available.falsefalseTOUCHSTONE INTERMEDIATE FIXED INCOME FUND (Prospectus Summary) | TOUCHSTONE INTERMEDIATE FIXED INCOME FUND | TOUCHSTONE INTERMEDIATE FIXED INCOME FUND - Institutional shares56true0rr_RiskReturnAbstractrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseRisk/Return:57false0dei_TradingSymboldeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00TCFIXfalsefalsefalsefalsefalseOtherxbrli:normalizedStringItemTypenormalizedstringTrading symbol of an instrument as listed on an exchange.No authoritative reference available.falsefalseTrading Symbol58false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.touchstoneinvestments.com/role/documentdocumentandentityinformation1falsefalsefalse00falsefalsefalsefalsefalse18falsefalsetruefalse{dei_DocumentInformationDocumentAxis} : SummaryS000006456 Member {dei_LegalEntityAxis} : S000006456 Member {rr_ProspectusShareClassAxis} : C000051266 Member 4/19/2011 - 4/19/2011 eol_0001144204-11-004672_STD_1_20110419_0_396770x-9995482_396840x-9992398_429423x-9995542http://www.sec.gov/CIK0000914243duration2011-04-19T00:00:002011-04-19T00:00:00falsefalseTOUCHSTONE SMALL CAP VALUE FUND (Prospectus Summary)dei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_SummaryS000006456Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalseTOUCHSTONE SMALL CAP VALUE FUNDdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000006456Memberdei_LegalEntityAxisexplicitMemberfalsefalseTOUCHSTONE SMALL CAP VALUE FUND - Class Arr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000051266Memberrr_ProspectusShareClassAxisexplicitMemberOthernaNo definition available.No authoritative reference available.falsefalseTOUCHSTONE SMALL CAP VALUE FUND (Prospectus Summary) | TOUCHSTONE SMALL CAP VALUE FUND | TOUCHSTONE SMALL CAP VALUE FUND - Class A59true0rr_RiskReturnAbstractrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseRisk/Return:60false0dei_TradingSymboldeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00TVOAXfalsefalsefalsefalsefalseOtherxbrli:normalizedStringItemTypenormalizedstringTrading symbol of an instrument as listed on an exchange.No authoritative reference available.falsefalseTrading Symbol61false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.touchstoneinvestments.com/role/documentdocumentandentityinformation1falsefalsefalse00falsefalsefalsefalsefalse19falsefalsetruefalse{dei_DocumentInformationDocumentAxis} : SummaryS000006456 Member {dei_LegalEntityAxis} : S000006456 Member {rr_ProspectusShareClassAxis} : C000051267 Member 4/19/2011 - 4/19/2011 eol_0001144204-11-004672_STD_1_20110419_0_396770x-9995482_396840x-9992398_429423x-9995541http://www.sec.gov/CIK0000914243duration2011-04-19T00:00:002011-04-19T00:00:00falsefalseTOUCHSTONE SMALL CAP VALUE FUND (Prospectus Summary)dei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_SummaryS000006456Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalseTOUCHSTONE SMALL CAP VALUE FUNDdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000006456Memberdei_LegalEntityAxisexplicitMemberfalsefalseTOUCHSTONE SMALL CAP VALUE FUND - Class Crr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000051267Memberrr_ProspectusShareClassAxisexplicitMemberOthernaNo definition available.No authoritative reference available.falsefalseTOUCHSTONE SMALL CAP VALUE FUND (Prospectus Summary) | TOUCHSTONE SMALL CAP VALUE FUND | TOUCHSTONE SMALL CAP VALUE FUND - Class C62true0rr_RiskReturnAbstractrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseRisk/Return:63false0dei_TradingSymboldeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00TVOCXfalsefalsefalsefalsefalseOtherxbrli:normalizedStringItemTypenormalizedstringTrading symbol of an instrument as listed on an exchange.No authoritative reference available.falsefalseTrading Symbol64false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.touchstoneinvestments.com/role/documentdocumentandentityinformation1falsefalsefalse00falsefalsefalsefalsefalse20falsefalsetruefalse{dei_DocumentInformationDocumentAxis} : SummaryS000006456 Member {dei_LegalEntityAxis} : S000006456 Member {rr_ProspectusShareClassAxis} : C000099303 Member 4/19/2011 - 4/19/2011 eol_0001144204-11-004672_STD_1_20110419_0_396770x-9995482_396840x-9992398_429423x-9995491http://www.sec.gov/CIK0000914243duration2011-04-19T00:00:002011-04-19T00:00:00falsefalseTOUCHSTONE SMALL CAP VALUE FUND (Prospectus Summary)dei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_SummaryS000006456Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalseTOUCHSTONE SMALL CAP VALUE FUNDdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000006456Memberdei_LegalEntityAxisexplicitMemberfalsefalseTOUCHSTONE SMALL CAP VALUE FUND - Class Yrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000099303Memberrr_ProspectusShareClassAxisexplicitMemberOthernaNo definition available.No authoritative reference available.falsefalseTOUCHSTONE SMALL CAP VALUE FUND (Prospectus Summary) | TOUCHSTONE SMALL CAP VALUE FUND | TOUCHSTONE SMALL CAP VALUE FUND - Class Y65true0rr_RiskReturnAbstractrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseRisk/Return:66false0dei_TradingSymboldeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00TVOYXfalsefalsefalsefalsefalseOtherxbrli:normalizedStringItemTypenormalizedstringTrading symbol of an instrument as listed on an exchange.No authoritative reference available.falsefalseTrading Symbol67false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.touchstoneinvestments.com/role/documentdocumentandentityinformation1falsefalsefalse00falsefalsefalsefalsefalse21falsefalsetruefalse{dei_DocumentInformationDocumentAxis} : SummaryS000006456 Member {dei_LegalEntityAxis} : S000006456 Member {rr_ProspectusShareClassAxis} : C000099304 Member 4/19/2011 - 4/19/2011 eol_0001144204-11-004672_STD_1_20110419_0_396770x-9995482_396840x-9992398_429423x-9995490http://www.sec.gov/CIK0000914243duration2011-04-19T00:00:002011-04-19T00:00:00falsefalseTOUCHSTONE SMALL CAP VALUE FUND (Prospectus Summary)dei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_SummaryS000006456Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalseTOUCHSTONE SMALL CAP VALUE FUNDdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000006456Memberdei_LegalEntityAxisexplicitMemberfalsefalseTOUCHSTONE SMALL CAP VALUE FUND - Institutionalrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000099304Memberrr_ProspectusShareClassAxisexplicitMemberOthernaNo definition available.No authoritative reference available.falsefalseTOUCHSTONE SMALL CAP VALUE FUND (Prospectus Summary) | TOUCHSTONE SMALL CAP VALUE FUND | TOUCHSTONE SMALL CAP VALUE FUND - Institutional68true0rr_RiskReturnAbstractrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseRisk/Return:69false0dei_TradingSymboldeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00TVOIXfalsefalsefalsefalsefalseOtherxbrli:normalizedStringItemTypenormalizedstringTrading symbol of an instrument as listed on an exchange.No authoritative reference available.falsefalseTrading Symbol70false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.touchstoneinvestments.com/role/documentdocumentandentityinformation1falsefalsefalse00falsefalsefalsefalsefalse22falsefalsetruefalse{dei_DocumentInformationDocumentAxis} : SummaryS000006456 Member {dei_LegalEntityAxis} : S000006456 Member {rr_ProspectusShareClassAxis} : C000017654 Member 4/19/2011 - 4/19/2011 eol_0001144204-11-004672_STD_1_20110419_0_396770x-9995482_396840x-9992398_429423x-9995548http://www.sec.gov/CIK0000914243duration2011-04-19T00:00:002011-04-19T00:00:00falsefalseTOUCHSTONE SMALL CAP VALUE FUND (Prospectus Summary)dei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_SummaryS000006456Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalseTOUCHSTONE SMALL CAP VALUE FUNDdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000006456Memberdei_LegalEntityAxisexplicitMemberfalsefalseTOUCHSTONE SMALL CAP VALUE FUND - CLASS Zrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000017654Memberrr_ProspectusShareClassAxisexplicitMemberpureStandardhttp://www.xbrl.org/2003/instancepure0OthernaNo definition available.No authoritative reference available.falsefalseTOUCHSTONE SMALL CAP VALUE FUND (Prospectus Summary) | TOUCHSTONE SMALL CAP VALUE FUND | TOUCHSTONE SMALL CAP VALUE FUND - CLASS Z71true0rr_RiskReturnAbstractrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseRisk/Return:72false0dei_TradingSymboldeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00TSVOXfalsefalsefalsefalsefalseOtherxbrli:normalizedStringItemTypenormalizedstringTrading symbol of an instrument as listed on an exchange.No authoritative reference available.falsefalseTrading Symbol73false0natruenanaNo definition available.falsetruefalsefalsefalsefalsefalsefalsefalsefalsehttp://www.touchstoneinvestments.com/role/documentdocumentandentityinformation1falsefalsefalse00falsefalsefalsefalsefalse23falsefalsetruefalse{dei_DocumentInformationDocumentAxis} : SummaryS000006457 Member {dei_LegalEntityAxis} : S000006457 Member {rr_ProspectusShareClassAxis} : C000017655 Member 4/19/2011 - 4/19/2011 eol_0001144204-11-004672_STD_1_20110419_0_396770x-9995481_396840x-9992397_429423x-9995547http://www.sec.gov/CIK0000914243duration2011-04-19T00:00:002011-04-19T00:00:00falsefalseTOUCHSTONE ULTRA SHORT DURATION FIXED INCOME FUND (Prospectus Summary)dei_DocumentInformationDocumentAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_SummaryS000006457Memberdei_DocumentInformationDocumentAxisexplicitMemberfalsefalseTOUCHSTONE ULTRA SHORT DURATION FIXED INCOME FUNDdei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_S000006457Memberdei_LegalEntityAxisexplicitMemberfalsefalseTOUCHSTONE ULTRA SHORT DURATION FIXED INCOME FUND - CLASS Zrr_ProspectusShareClassAxisxbrldihttp://xbrl.org/2006/xbrldick0000914243_C000017655Memberrr_ProspectusShareClassAxisexplicitMemberpureStandardhttp://www.xbrl.org/2003/instancepure0OthernaNo definition available.No authoritative reference available.falsefalseTOUCHSTONE ULTRA SHORT DURATION FIXED INCOME FUND (Prospectus Summary) | TOUCHSTONE ULTRA SHORT DURATION FIXED INCOME FUND | TOUCHSTONE ULTRA SHORT DURATION FIXED INCOME FUND - CLASS Z74true0rr_RiskReturnAbstractrrfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseRisk/Return:75false0dei_TradingSymboldeifalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00TSDOXfalsefalsefalsefalsefalseOtherxbrli:normalizedStringItemTypenormalizedstringTrading symbol of an instrument as listed on an exchange.No authoritative reference available.falsefalseTrading Symbol174Document And Entity InformationUnKnownUnKnownUnKnownUnKnownfalsetrue