Investor Class - C000013362 Investor Class Investor Class - C000126505 Investor Class Largest Holding:1InvestorClass-Mount Vernon Liquid Assets Portfolio, LLC1 Mount Vernon Liquid Assets Portfolio, LLC [Member] Largest Holding:2InvestorClass-Invesco Government & Agency Portfolio2 Invesco Government & Agency Portfolio [Member] Largest Holding:3InvestorClass-Amazon.com, Inc.3 Amazon.com, Inc. [Member] Largest Holding:4InvestorClass-Visa, Inc.4 Visa, Inc. [Member] Largest Holding:5InvestorClass-Pool Corp.5 Pool Corp. [Member] Largest Holding:6InvestorClass-On Holding AG6 On Holding AG [Member] Largest Holding:7InvestorClass-Stryker Corp.7 Stryker Corp. [Member] Largest Holding:8InvestorClass-ON Semiconductor Corp.8 ON Semiconductor Corp. [Member] Largest Holding:9InvestorClass-Johnson & Johnson9 Johnson & Johnson [Member] Largest Holding:10InvestorClass-Colgate-Palmolive Co.10 Colgate-Palmolive Co. [Member] InvestorClass-Common Stocks_11 Common Stocks [Member] InvestorClass-Corporate Bonds_12 Corporate Bonds [Member] InvestorClass-Investments Purchased with Proceeds from Securities Lending_13 Investments Purchased with Proceeds from Securities Lending [Member] InvestorClass-Money Market Funds_14 Money Market Funds [Member] InvestorClass-Convertible Preferred Stocks_15 Convertible Preferred Stocks [Member] InvestorClass-Real Estate Investment Trusts_16 Real Estate Investment Trusts [Member] InvestorClass-Cash & Other_17 Cash & Other [Member] Largest Holding:18InvestorClass-Mount Vernon Liquid Assets Portfolio, LLC18 Mount Vernon Liquid Assets Portfolio, LLC [Member] Largest Holding:19InvestorClass-Invesco Government & Agency Portfolio19 Invesco Government & Agency Portfolio [Member] Largest Holding:20InvestorClass-Amazon.com, Inc.20 Amazon.com, Inc. [Member] Largest Holding:21InvestorClass-Visa, Inc.21 Visa, Inc. [Member] Largest Holding:22InvestorClass-Stryker Corp.22 Stryker Corp. [Member] Largest Holding:23InvestorClass-On Holding AG23 On Holding AG [Member] Largest Holding:24InvestorClass-Lineage, Inc.24 Lineage, Inc. [Member] Largest Holding:25InvestorClass-Palomar Holdings, Inc.25 Palomar Holdings, Inc. [Member] Largest Holding:26InvestorClass-Caesars Entertainment, Inc.26 Caesars Entertainment, Inc. [Member] Largest Holding:27InvestorClass-ON Semiconductor Corp.27 ON Semiconductor Corp. [Member] InvestorClass-Common Stocks_28 Common Stocks [Member] InvestorClass-Investments Purchased with Proceeds from Securities Lending_29 Investments Purchased with Proceeds from Securities Lending [Member] InvestorClass-Money Market Funds_30 Money Market Funds [Member] InvestorClass-Real Estate Investment Trusts_31 Real Estate Investment Trusts [Member] InvestorClass-Convertible Preferred Stocks_32 Convertible Preferred Stocks [Member] InvestorClass-Cash & Other_33 Cash & Other [Member] Net Assets Investment Company Portfolio Turnover Portfolio Turnover Commodity Index Linked Notes [Member] Commodity Index Linked Notes Sovereign Debt Securities [Member] Sovereign Debt Securities Convertible Debt Securities [Member] Convertible Debt Securities Corporate Debt Securities [Member] Corporate Debt Securities Corporate Note Securities [Member] Corporate Note Securities Corporate Bond Securities [Member] Corporate Bond Securities Fixed Income Investments [Member] Fixed Income Investments Securities Investment [Member] Securities Investment Other Aggregated Investments [Member] Other Aggregated Investments Real Estate Sector [Member] Real Estate Sector Standard Poors 500 Index [Member] Standard Poors 500 Index Nasdaq Composite Index [Member] Nasdaq Composite Index Equity Securities Industry [Member] Equity Securities Industry Equity Securities [Member] Equity Securities Dow Jones Industrial Average [Member] Dow Jones Industrial Average Construction Sector [Member] Construction Sector Automotive Sector [Member] Automotive Sector Transportation Sector [Member] Transportation Sector Aerospace Sector [Member] Aerospace Sector Consumer Sector [Member] Consumer Sector Chemicals Sector [Member] Chemicals Sector Insurance Sector [Member] Insurance Sector Cash [Member] Cash Asset Backed Securities [Member] Asset Backed Securities Container And PackagingSector [Member] Container And PackagingSector Investment Type [Axis] Asset Class US Treasury Securities [Member] US Treasury Securities Mortgage Backed Securities [Member] Mortgage Backed Securities Investment Type Categorization [Member] Investment Type Categorization Entertainment Sector [Member] Entertainment Sector Food And Beverage Sector [Member] Food And Beverage Sector Financial Services Sector [Member] Financial Services Sector Healthcare Sector [Member] Healthcare Sector Energy Sector [Member] Energy Sector Technology Sector [Member] Technology Sector Government Sector [Member] Government Sector No Trading Symbol