010001 - Document - Document And Entity Information {Elements} link:presentationLink link:calculationLink link:definitionLink 040014 - Document - Shareholder Report, Line Graph (Details) 511280_LKCM Balanced Fund_Institutional Class_TSR SemiAnnual {Institutional Class} link:presentationLink link:calculationLink link:definitionLink 040015 - Document - Shareholder Report, Average Annual Return (Details) 511280_LKCM Balanced Fund_Institutional Class_TSR SemiAnnual {Institutional Class} link:presentationLink link:calculationLink link:definitionLink 040016 - Document - Shareholder Report, Holdings (Details) 511280_LKCM Balanced Fund_Institutional Class_TSR SemiAnnual {Elements} link:presentationLink link:calculationLink link:definitionLink 040018 - Document - Shareholder Report, Line Graph (Details) 463260_LKCM Equity Fund_Institutional Class_TSR SemiAnnual {Institutional Class} link:presentationLink link:calculationLink link:definitionLink 040019 - Document - Shareholder Report, Average Annual Return (Details) 463260_LKCM Equity Fund_Institutional Class_TSR SemiAnnual {Institutional Class} link:presentationLink link:calculationLink link:definitionLink 040020 - Document - Shareholder Report, Holdings (Details) 463260_LKCM Equity Fund_Institutional Class_TSR SemiAnnual {Elements} link:presentationLink link:calculationLink link:definitionLink 040022 - Document - Shareholder Report, Line Graph (Details) 511290_LKCM Fixed Income Fund_Institutional Class_TSR SemiAnnual {Institutional Class} link:presentationLink link:calculationLink link:definitionLink 040023 - Document - Shareholder Report, Average Annual Return (Details) 511290_LKCM Fixed Income Fund_Institutional Class_TSR SemiAnnual {Institutional Class} link:presentationLink link:calculationLink link:definitionLink 040024 - Document - Shareholder Report, Holdings (Details) 511290_LKCM Fixed Income Fund_Institutional Class_TSR SemiAnnual {Elements} link:presentationLink link:calculationLink link:definitionLink 040026 - Document - Shareholder Report, Line Graph (Details) 194537_LKCM International Equity Fund_Institutional Class_TSR SemiAnnual {Institutional Class} link:presentationLink link:calculationLink link:definitionLink 040027 - Document - Shareholder Report, Average Annual Return (Details) 194537_LKCM International Equity Fund_Institutional Class_TSR SemiAnnual {Institutional Class} link:presentationLink link:calculationLink link:definitionLink 040028 - Document - Shareholder Report, Holdings (Details) 194537_LKCM International Equity Fund_Institutional Class_TSR SemiAnnual {Elements} link:presentationLink link:calculationLink link:definitionLink 040030 - Document - Shareholder Report, Line Graph (Details) 463250_LKCM Small Cap Equity Fund_Institutional Class_TSR SemiAnnual {Institutional Class} link:presentationLink link:calculationLink link:definitionLink 040031 - Document - Shareholder Report, Average Annual Return (Details) 463250_LKCM Small Cap Equity Fund_Institutional Class_TSR SemiAnnual {Institutional Class} link:presentationLink link:calculationLink link:definitionLink 040032 - Document - Shareholder Report, Holdings (Details) 463250_LKCM Small Cap Equity Fund_Institutional Class_TSR SemiAnnual {Elements} link:presentationLink link:calculationLink link:definitionLink 040034 - Document - Shareholder Report, Line Graph (Details) 194536_LKCM Small-Mid Cap Equity Fund_Institutional Class_TSR SemiAnnual {Institutional Class} link:presentationLink link:calculationLink link:definitionLink 040035 - Document - Shareholder Report, Average Annual Return (Details) 194536_LKCM Small-Mid Cap Equity Fund_Institutional Class_TSR SemiAnnual {Institutional Class} link:presentationLink link:calculationLink link:definitionLink 040036 - Document - Shareholder Report, Holdings (Details) 194536_LKCM Small-Mid Cap Equity Fund_Institutional Class_TSR SemiAnnual {Elements} link:presentationLink link:calculationLink link:definitionLink 040038 - Document - Shareholder Report, Line Graph (Details) 194532_LKCM Aquinas Catholic Equity Fund_TF_TSR SemiAnnual {TF} link:presentationLink link:calculationLink link:definitionLink 040039 - Document - Shareholder Report, Average Annual Return (Details) 194532_LKCM Aquinas Catholic Equity Fund_TF_TSR SemiAnnual {TF} link:presentationLink link:calculationLink link:definitionLink 040040 - Document - Shareholder Report, Holdings (Details) 194532_LKCM Aquinas Catholic Equity Fund_TF_TSR SemiAnnual {Elements} link:presentationLink link:calculationLink link:definitionLink