Security Exchange Name Exchange Entity Investment Company Type Risk [Axis] All Risks [Member] Risk [Text Block] Risk Nondiversified Status [Member] Risk Lose Money [Member] Risk Money Market Fund Price Fluctuates [Member] Risk Money Market Fund May Impose Fees or Suspend Sales [Member] Risk Money Market Fund May Not Preserve Dollar [Member] Risk Money Market Fund Sponsor May Not Provide Support [Member] Risk Not Insured Depository Institution [Member] Risk Not Insured [Member] Material Fund Change [Text Block] Material Fund Change Name [Text Block] Material Fund Change Objectives [Text Block] Material Fund Change Expenses [Text Block] Material Fund Change Strategies [Text Block] Material Fund Change Risks Change [Text Block] Material Fund Change Adviser [Text Block] Summary of Change Legend [Text Block] Updated Prospectus Phone Number Updated Prospectus Email Address Updated Prospectus Web Address Accountant Change Statement [Text Block] Accountant Change Date Accountant Change Disagreements [Text Block] Additional Information [Text Block] Material Fund Change Notice [Text Block] Additional Information Phone Number Additional Information Email Additional Information Website Expenses [Text Block] Expenses Paid, Amount Expense Ratio, Percent Expenses Short Period Footnote [Text Block] Extraordinary Expenses Footnote [Text Block] Expenses Excluding Extraordinary Expenses, Percent Factors Affecting Performance [Text Block] Line Graph and Table Measure Name No Deduction of Taxes [Text Block] Performance Table Market Index Changed [Text Block] Prior Market Index Comparison [Text Block] Previous Investment Adviser [Text Block] Material Change Description [Text Block] Material Change Date Updated Performance Information Location [Text Block] Inability to Meet Distribution Level [Text Block] Distribution of Capital [Text Block] ETF Premium Discount [Text Block] ETF Premium, Number of Days ETF Discount, Number of Days ETF Purchase Explanation [Text Block] ETF Past Performance [Text Block] Holdings Count Advisory Fees Paid, Amount Additional Fund Statistics [Text Block] Additional Fund Statistics Significance or Limits [Text Block] Percent of Total Investments Percent of Total Long Exposure Percent of Total Short Exposure Percent of Net Long Exposure Percent of Net Short Exposure Exposure Basis Explanation [Text Block] Credit Quality Explanation [Text Block] Credit Ratings Selection [Text Block] Largest Holdings [Text Block] Shareholder Report [Line Items] Account Value Table [Abstract] Account Value [Line Items] Account Value [Table] Largest Holding [Axis] Shareholder Report [Table] Shareholder Report [Abstract] Holdings [Table] Holdings [Abstract] Holdings [Line Items] Line Graph [Table Text Block] Holdings [Text Block] Sales Load [Axis] With Sales Load [Member] Without Sales Load [Member] Average Annual Return [Table Text Block] Average Annual Return, Percent Performance Inception Date Largest Holdings [Domain] Industry Sector [Axis] Geographic Region [Axis] Credit Quality [Axis] Maturity [Axis] Industry Sector [Domain] Geographic Region [Domain] Credit Quality [Domain] Maturity [Domain] Other Category 1 [Domain] Other Category 2 [Domain] Consumer Discretionary Sector [Member] Consumer Staples Sector [Member] Industrial Sector [Member] Communications Sector [Member] Materials Sector [Member] Utilities Sector [Member] Information Technology Sector [Member] Fund Name Class Name Annual or Semi-Annual Statement [Text Block] Shareholder Report Annual or Semi-Annual Percent of Net Asset Value Other Category 2 [Axis] Other Category 1 [Axis] Broad Based Index [Axis] Additional Index [Axis] Additional Index [Domain] Broad Based Index [Domain] Class [Axis] Unclassified Sector [Member] Annual Return [Percent] Risks [Abstract] Average Annual Return [Table] Average Annual Return [Line Items] Accumulated Value Deprecated OEF Concepts [Abstract] Coregistrant [Axis] All Coregistrants [Member] Amendment Description Amendment Flag Document Creation Date Document Effective Date Document [Axis] Prospectus Document Period End Date Document Type Series Trading Symbol Ticker Registrant Name Entity Central Index Key Series [Axis] Prospectus [Table] Shareholder Fees [Table] Annual Fund Operating Expenses [Table] Expense Example, With Redemption [Table] Bar Chart [Table] Performance [Table] Expense Example, No Redemption Narrative [Text Block] Market Index Performance [Table] Expense Example, No Redemption [Table] Performance Measure [Axis] Before Taxes After Taxes on Distributions After Taxes on Distributions and Sales Risk/Return [Heading] Objective [Heading] Objective, Primary [Text Block] Objective, Secondary [Text Block] Strategy [Heading] Strategy Narrative [Text Block] Strategy Portfolio Concentration [Text] Bar Chart and Performance Table [Heading] Performance Narrative [Text Block] Performance Past Does Not Indicate Future [Text] Performance Information Illustrates Variability of Returns [Text] Performance One Year or Less [Text] Performance Additional Market Index [Text] Bar Chart [Heading] Bar Chart Narrative [Text Block] Bar Chart Does Not Reflect Sales Loads [Text] Bar Chart, Returns for Class Not Offered in Prospectus [Text] Bar Chart, Reason Selected Class Different from Immediately Preceding Period [Text] Annual Return Caption [Text] Annual Return, Column [Optional Text] Annual Return, Inception Date Year to Date Return, Label [Optional Text] Bar Chart, Year to Date Return Bar Chart, Year to Date Return, Date Highest Quarterly Return, Label [Optional Text] Highest Quarterly Return Highest Quarterly Return, Date Lowest Quarterly Return, Label [Optional Text] Lowest Quarterly Return Lowest Quarterly Return, Date Bar Chart Closing [Text Block] Performance Table Heading Performance Table Narrative Performance Table Does Reflect Sales Loads Performance Table Market Index Changed Performance Table Uses Highest Federal Rate Performance Table Not Relevant to Tax Deferred Performance Table Explanation after Tax Higher Average Annual Return, Caption [Optional Text] Average Annual Return, Column Name [Optional Text] Average Annual Return, Label [Optional Text] Money Market Seven Day Yield, Caption [Optional Text] Money Market Seven Day Yield Column [Optional Text] Money Market Seven Day Yield Phone Money Market Seven Day Yield Money Market Seven Day Tax Equivalent Yield Thirty Day Yield Caption [Optional Text] Thirty Day Yield Column [Optional Text] Thirty Day Yield Phone Thirty Day Yield Thirty Day Tax Equivalent Yield Performance Table Footnotes Performance Table Closing [Text Block] Expense Heading [Optional Text] Expense Narrative [Text Block] Expense Breakpoint Discounts [Text] Shareholder Fees Caption [Optional Text] Shareholder Fees Column [Optional Text] Maximum Cumulative Sales Charge (as a percentage of Offering Price) Maximum Cumulative Sales Charge (as a percentage) Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) Maximum Deferred Sales Charge (as a percentage) Maximum Deferred Sales Charge (as a percentage of Offering Price) Maximum Sales Charge on Reinvested Dividends and Distributions (as a percentage) Redemption Fee (as a percentage of Amount Redeemed) Redemption Fee (as a percentage of Amount Redeemed) Redemption Fee Redemption Fee Exchange Fee (as a percentage of Amount Redeemed) Exchange Fee Maximum Account Fee (as a percentage of Assets) Maximum Account Fee Shareholder Fee, Other Operating Expenses Caption [Optional Text] Operating Expenses Column [Optional Text] Management Fees (as a percentage of Assets) Distribution and Service (12b-1) Fees Distribution or Similar (Non 12b-1) Fees Other Expenses (as a percentage of Assets): Other Expenses Component1 Other Expenses Component2 Other Expenses Component3 Other Expenses Acquired Fund Fees and Expenses Expenses (as a percentage of Assets) Total Expenses Fee Waiver or Reimbursement Fee Waiver or Reimbursement Net Expenses (as a percentage of Assets) Net Expenses Expenses Represent Both Master and Feeder [Text] Expenses Other Expenses Had Extraordinary Expenses Been Included [Text] Expenses Restated to Reflect Current [Text] Expense Example [Heading] Expense Example Narrative [Text Block] Expense Example by Year [Heading] Expense Example by, Year, Caption [Text] Expense Example, By Year, Column [Optional Text] Expense Example, with Redemption, 1 Year Expense Example, with Redemption, 3 Years Expense Example, with Redemption, 5 Years Expense Example, with Redemption, 10 Years Expense Example, No Redemption, By Year, Caption [Text] Expense Example, No Redemption, By Year, Column [Optional Text] Expense Example, No Redemption, 1 Year Expense Example, No Redemption, 3 Years Expense Example, No Redemption, 5 Years Expense Example, No Redemption, 10 Years Expense Example Closing [Text Block] Prospectus Date Share Classes Portfolio Turnover [Heading] Portfolio Turnover [Text Block] Expense Footnotes [Text Block] Expense Example Footnotes [Text Block] Fee Waiver or Reimbursement over Assets, Date of Termination Portfolio Turnover, Rate Expense Breakpoint, Minimum Investment Required [Amount] Performance Table Footnotes, Reason Performance Information for Class Different from Immediately Preceding Period [Text] Bar Chart Footnotes [Text Block] Performance Table One Class of after Tax Shown [Text] Other Expenses, New Fund, Based on Estimates [Text] Acquired Fund Fees and Expenses, Based on Estimates [Text] Expenses Deferred Charges [Text Block] Expenses Range of Exchange Fees [Text Block] Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] Expenses Explanation of Nonrecurring Account Fee [Text] Index No Deduction for Fees, Expenses, or Taxes [Text] Performance Availability Website Address [Text] Performance Availability Phone [Text] Supplement to Prospectus [Text Block] Expense Example, No Redemption: Objective Section: Strategy Section: Risk Section: Prospectus [Line Items] Form N-1A: Risk/Return: Bar Chart and Performance Table Section: Bar Chart Narrative: Bar Chart Table: Bar Chart Closing: Average Annual Return: Market Index Return: Performance Narrative: Performance Table Section: Performance Table Closing: Expenses: Shareholder Fees: Operating Expenses: Net Expenses (as a percentage of Assets): Expenses (as a percentage of Assets): Other Expenses over Assets: Expense Footnotes: Expense Example Narrative: Expense Example: Expense Example Closing: Portfolio Turnover: