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Risk Return [Abstract] rr_RiskReturnAbstract  
ProspectusDate rr_ProspectusDate Aug. 01, 2012
High Yield Strategy Fund (Second Prospectus Summary) | High Yield Strategy Fund
 
Risk Return [Abstract] rr_RiskReturnAbstract  
Risk/Return [Heading] rr_RiskReturnHeading High Yield Strategy Fund
Objective [Heading] rr_ObjectiveHeading INVESTMENT OBJECTIVE
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock The High Yield Strategy Fund (the "Fund") seeks to provide investment results
that correlate, before fees and expenses, to the performance of the high yield
bond market.
Expense [Heading] rr_ExpenseHeading FEES AND EXPENSES OF THE FUND
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock This table describes the fees and expenses that you may pay if you buy and hold
A-Class Shares or C-Class Shares 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 $100,000 in certain funds in the Guggenheim Investments family of funds.
More information about these and other discounts is available from your
financial professional and under the "Sales Charges" section on page 297 of this
Prospectus and in the "A-Class Shares - Initial Sales Charges, Reductions, and
Waivers" section beginning on page 108 of the Fund's Statement of Additional
Information (the "SAI").
Shareholder Fees Caption [Text] rr_ShareholderFeesCaption SHAREHOLDER FEES (fees paid directly from your investment)
Operating Expenses Caption [Text] rr_OperatingExpensesCaption ANNUAL FUND OPERATING EXPENSES (expenses that you pay each year as a percentage of the value of your investment)
Portfolio Turnover [Heading] rr_PortfolioTurnoverHeading PORTFOLIO TURNOVER
Portfolio Turnover [Text Block] rr_PortfolioTurnoverTextBlock The Fund pays transaction costs, such as commissions, when it buys and sells
securities (or "turns over" its portfolio). A higher portfolio turnover rate 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
Total 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 583% of the average value of its portfolio. The Fund's portfolio
turnover rate is calculated without regard to cash instruments or derivatives.
If such instruments were included, the Fund's portfolio turnover rate might be
significantly higher.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 583.00%
Expense Breakpoint Discounts [Text] rr_ExpenseBreakpointDiscounts You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $100,000 in certain funds in the Guggenheim Investments family of funds.
Expense Breakpoint, Minimum Investment Required [Amount] rr_ExpenseBreakpointMinimumInvestmentRequiredAmount 100,000
Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text] rr_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees The Total Annual Fund Operating Expenses in this fee table may not correlate to the expense ratios in the Fund's financial highlights and financial statements because the financial highlights and financial statements reflect only the operating expenses of the Fund and do not include Acquired Fund Fees and Expenses, which are fees and expenses incurred indirectly by the Fund through its investments in certain underlying investment companies.
Expense Example [Heading] rr_ExpenseExampleHeading EXAMPLE
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock 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 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. Although your actual costs may be
higher or lower, based on these assumptions your costs would be:
Expense Example, No Redemption, By Year, Caption [Text] rr_ExpenseExampleNoRedemptionByYearCaption You would pay the following expenses if you did not redeem your shares:
Strategy [Heading] rr_StrategyHeading PRINCIPAL INVESTMENT STRATEGIES
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock The Fund seeks to gain exposure similar to the total return of the high yield
bond market as represented by the global universe (excluding emerging market
countries) of fixed rate, non-investment grade debt by investing in credit
default swaps, high yield securities, futures and other financial instruments
with economic characteristics comparable to that of the high yield bond market
as represented by U.S. and Canadian high yield bonds. Generally, high yield
bonds, which are also commonly referred to as "junk bonds," are those bonds
rated BB+ and lower by Standard & Poor's Rating Service or Ba1 and lower by
Moody's Investor Services, Inc., but may include unrated bonds that the Advisor
determines are of similar quality. The Advisor will consider the liquidity,
transaction costs and relative value of available investments in seeking to meet
the Fund's investment objective.

The Fund will primarily invest in credit default swaps to gain exposure similar
to the high yield bond market. Credit default swaps are instruments which allow
for the full or partial transfer of third party credit risk, with respect to a
particular entity or entities, from one counterparty to the other. A buyer of
credit default swaps is buying credit protection or mitigating credit risk. A
seller of credit default swaps is selling credit protection or assuming credit
risk. The Fund will normally be a seller of credit protection (assuming credit
risk) as it seeks to gain exposure to the high yield bond market, but also may
buy credit protection from time to time in order to maintain the appropriate
level of exposure to the high yield bond market, such as during times of heavy
redemption activity.

In addition, the Fund may invest in bond futures for the purpose of managing
duration risk. For cash management purposes, the Fund may invest in other fixed
income securities and money market instruments. The Fund also may invest in
other financial instruments including corporate notes, convertible debt
securities, preferred securities and derivatives thereof, as well as other
investment companies, including exchange-traded funds ("ETFs"), unit investment
trusts, and closed-end funds, that invest primarily in high yield debt
instruments. While the Fund anticipates investing in these instruments to seek
to achieve its investment objective, the extent of the Fund's investment in
these instruments may vary from day to day depending on a number of different
factors, including price, availability, and general market conditions. Certain
of the Fund's derivative investments may be traded in the over-the-counter
("OTC") market. The Fund also may enter into repurchase agreements with
counterparties that are deemed to present acceptable credit risks. In an effort
to ensure that the Fund is fully invested on a day-to-day basis, the Fund may
conduct any necessary trading activity at or just prior to the close of the U.S.
financial markets. The Fund is non-diversified and, therefore, may invest a
greater percentage of its assets in a particular issuer in comparison to a
diversified fund.

Under normal circumstances, the Fund will invest at least 80% of its net assets,
plus any borrowings for investment purposes, in financial instruments that in
combination have economic characteristics similar to the U.S. and Canadian high
yield bond markets and/or in high yield debt securities.
Risk [Heading] rr_RiskHeading PRINCIPAL RISKS
Risk Narrative [Text Block] rr_RiskNarrativeTextBlock As with all mutual funds, a shareholder is subject to the risk that his or her
investment could lose money. In addition to this risk, the Fund is subject to a
number of additional risks that may affect the value of its shares, including:

Active Trading Risk - Active trading, also called "high portfolio turnover," may
result in higher brokerage costs or mark-up charges, which may negatively affect
Fund performance and result in short-term capital gains, which have a negative
tax effect. Large movements of assets into and out of the Fund due to active
trading also may adversely affect the Fund's ability to achieve its investment
objective.

Counterparty Credit Risk - The Fund may invest in financial instruments
involving counterparties that attempt to gain exposure to a particular group of
securities, index or asset class without actually purchasing those securities or
investments, or to hedge a position. The Fund's use of such financial
instruments, including swap agreements, involves risks that are different from
those associated with ordinary portfolio securities transactions. For example,
if a swap agreement counterparty defaults on its payment obligations to the
Fund, this default will cause the value of your investment in the Fund to
decrease. Swap agreements also may be considered to be illiquid. Similarly, if
the credit quality of an issuer or guarantor of a debt instrument improves, this
change may adversely affect the value of the Fund's investment.

Credit Default Swaps Risk - The Fund's investments in credit default swaps may
subject the Fund to greater risks than if the Fund were to invest directly in
high yield bonds. When investing in credit default swaps, the Fund is exposed to
the credit risk of both the counterparty to the credit default swap and the
issuer of the underlying reference obligation. The Fund could realize a loss on
its investment if it does not correctly evaluate the creditworthiness of the
issuer of the bond or other reference obligation on which the credit default
swap is based, as well as the continued creditworthiness of the counterparty.
Investments in credit default swaps also are subject to liquidity risk.

Credit Risk - The Fund could lose money if the issuer or guarantor of a debt
instrument in which it invests becomes unwilling or unable to make timely
principal and/or interest payments, or to otherwise meet its obligations.

Currency Risk - The Fund's indirect and direct exposure to foreign currencies
subjects the Fund to the risk that those currencies will decline in value
relative to the U.S. dollar, or, in the case of short positions, that the U.S.
dollar will decline in value relative to the currency being hedged. The Fund
also may incur transaction costs in connection with conversions between various
currencies.

Derivatives Risk - The Fund's investments in derivatives, such as bond futures,
may pose risks in addition to those associated with investing directly in
securities or other investments, including illiquidity of the derivatives,
imperfect correlations with underlying investments or the Fund's other portfolio
holdings, lack of availability and counterparty risk. The Fund could lose more
than the principal amount invested.

Early Closing Risk - The Fund is subject to the risk that unanticipated early
closings of securities exchanges and other financial markets may result in the
Fund's inability to buy or sell securities or other financial instruments on
that day and may cause the Fund to incur substantial trading losses.

Fixed Income Risk - The Fund's investments in fixed income securities will
change in value in response to interest rate changes and other factors, such as
the perception of the issuer's creditworthiness. For example, the value of fixed
income securities will generally decrease when interest rates rise, which may
cause the value of the Fund to decrease. In addition, the Fund's investments in
fixed income securities with longer maturities will fluctuate more in response
to interest rate changes.

Foreign Issuer Exposure Risk - The Fund may invest in securities of foreign
companies directly or in financial instruments that are indirectly linked to the
performance of foreign issuers. Foreign securities markets generally have less
trading volume and less liquidity than U.S. markets, and prices in some foreign
markets may fluctuate more than those of securities traded on U.S. markets.

High Yield Risk - The Fund may invest in high yield securities and unrated
securities of similar credit quality (commonly known as "junk bonds"), which may
be subject to greater levels of interest rate, credit and liquidity risk than
funds that do not invest in such securities.

Investment in Investment Companies Risk - Investing in other investment
companies, including ETFs, subjects the Fund to those risks affecting the
investment company, including the possibility that the value of the underlying
securities held by the investment company could decrease. Moreover, the Fund
will incur its pro rata share of the expenses of the underlying investment
companies' expenses.

Issuer Specific Risk - The value of a security may increase or decrease for a
number of reasons which directly relate to the issuer. For example, with respect
to the Fund, perceived poor management performance, financial leverage or
reduced demand of the issuer's goods or services may contribute to a decrease in
the value of a security. A decrease in the value of the securities of an issuer
or guarantor of a debt instrument may cause the value of your investment in the
Fund to decrease.

Leveraging Risk - The Fund's investment in derivative instruments generally
requires a small investment relative to the amount of investment exposure
assumed. As a result, such investments may give rise to losses that exceed the
amount invested in those instruments. The cost of investing in such instruments
generally increases as interest rates increase, which will lower the Fund's
return.

Liquidity Risk - In certain circumstances, it may be difficult for the Fund to
purchase and sell particular investments within a reasonable time at a fair
price. While the Fund only intends to invest in liquid futures, options,
forwards and swap contracts, under certain market conditions, such as when the
market makes a "limit move," it may be difficult or impossible for the Fund to
liquidate such investments. In addition, the ability of the Fund to assign an
accurate daily value to certain investments may be difficult, and the Advisor
may be required to fair value the investments.

Market Risk - The Fund's investments in securities and derivatives, in general,
are subject to market risks that may cause their prices, and therefore the
Fund's value, to fluctuate over time. An investment in the Fund may lose money.

Non-Diversification Risk - The Fund is considered non-diversified and can invest
a greater portion of its assets in securities of individual issuers than a
diversified fund. As a result, changes in the market value of a single security
could cause greater fluctuations in the value of Fund shares than would occur in
a diversified fund.

OTC Trading Risk - Certain of the derivatives in which the Fund may invest may
be traded (and privately negotiated) in the OTC market. While the OTC
derivatives market is the primary trading venue for many derivatives, it is
largely unregulated. As a result and similar to other privately negotiated
contracts, the Fund is subject to counterparty credit risk with respect to such
derivative contracts.

Portfolio Turnover Risk - The Fund's strategy may frequently involve buying and
selling portfolio securities to rebalance the Fund's exposure to various market
sectors. Higher portfolio turnover may result in the Fund paying higher levels
of transaction costs and generating greater tax liabilities for shareholders.
Portfolio turnover risk may cause the Fund's performance to be less than you
expect.

Repurchase Agreement Risk - The Fund's investment in repurchase agreements may
be subject to market and credit risk with respect to the collateral securing the
repurchase agreements. Investments in repurchase agreements also may be subject
to the risk that the market value of the underlying obligations may decline
prior to the expiration of the repurchase agreement term.

Temporary Defensive Investment Risk - The Fund does not attempt to take
defensive positions in declining markets. Therefore, the Fund may be subject to
greater losses in a declining market than a fund that does take defensive
positions in declining markets.

Trading Halt Risk - If a trading halt occurs, the Fund may temporarily be unable
to purchase or sell securities, options or futures contracts. Such a trading
halt near the time the Fund prices its shares may limit the Fund's ability to
use leverage and may prevent the Fund from achieving its investment objective.
Risk Lose Money [Text] rr_RiskLoseMoney As with all mutual funds, a shareholder is subject to the risk that his or her investment could lose money.
Risk Nondiversified Status [Text] rr_RiskNondiversifiedStatus The Fund is considered non-diversified and can invest a greater portion of its assets in securities of individual issuers than a diversified fund. As a result, changes in the market value of a single security could cause greater fluctuations in the value of Fund shares than would occur in a diversified fund.
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading PERFORMANCE INFORMATION
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock The following bar chart shows the performance of the C-Class Shares of the
Fund from year to year. The variability of performance over time provides an
indication of the risks of investing in the Fund. The following table shows the
average annual total returns of the A-Class Shares and C-Class Shares of the
Fund over different periods of time in comparison to the performance of a
broad-based market index. The figures in the bar chart and table assume the
reinvestment of dividends and capital gains distributions but do not reflect
sales charges. If they did, returns would be lower. Of course, this past
performance (before and after taxes) does not necessarily indicate how the
Fund will perform in the future.

Updated performance information is available on the Fund's website at
www.rydex-sgi.com or by calling Guggenheim Investments Client Services at
800-820-0888.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The variability of performance over time provides an indication of the risks of investing in the Fund.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone 800-820-0888
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.rydex-sgi.com
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture Of course, this past performance (before and after taxes) does not necessarily indicate how the Fund will perform in the future.
Bar Chart Narrative [Text Block] rr_BarChartNarrativeTextBlock The performance information shown below for C-Class Shares is based on a
calendar year. The year-to-date return for the period from January 1, 2012
through June 30, 2012 is 5.55%.
Bar Chart Does Not Reflect Sales Loads [Text] rr_BarChartDoesNotReflectSalesLoads The figures in the bar chart and table assume the reinvestment of dividends and capital gains distributions but do not reflect sales charges. If they did, returns would be lower.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock Highest Quarter Return                        Lowest Quarter Return
(quarter ended 9/30/2009) 9.31%   (quarter ended 3/31/2009) -13.23%
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes reflects no deduction for fees, expenses or taxes
Performance Table Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate The after-tax returns presented in the table below are calculated using highest historical individual federal marginal income tax rates and do not reflect the impact of state and local taxes.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred Your actual after-tax returns will depend on your specific tax situation and may differ from those shown below. After-tax returns are not relevant to investors who hold shares of the Fund through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
Performance Table Narrative rr_PerformanceTableNarrativeTextBlock The after-tax returns presented in the table below are calculated using highest
historical individual federal marginal income tax rates and do not reflect the
impact of state and local taxes. Your actual after-tax returns will depend on
your specific tax situation and may differ from those shown below. After-tax
returns are not relevant to investors who hold shares of the Fund through
tax-deferred arrangements, such as 401(k) plans or individual retirement
accounts.
Caption rr_AverageAnnualReturnCaption AVERAGE ANNUAL TOTAL RETURN (for periods ended December 31, 2011)
High Yield Strategy Fund (Second Prospectus Summary) | High Yield Strategy Fund | Barclays Capital U.S. Corporate High Yield Index
 
Risk Return [Abstract] rr_RiskReturnAbstract  
Label rr_AverageAnnualReturnLabel Barclays Capital U.S. Corporate High Yield Index (reflects no deduction for fees, expenses or taxes)
1 Year rr_AverageAnnualReturnYear01 4.98%
Since Inception rr_AverageAnnualReturnSinceInception 7.32%
Inception Date rr_AverageAnnualReturnInceptionDate Apr. 16, 2007
High Yield Strategy Fund (Second Prospectus Summary) | High Yield Strategy Fund | A-Class
 
Risk Return [Abstract] rr_RiskReturnAbstract  
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice 4.75%
Maximum Deferred Sales Charge (Load) (as a percentage of initial purchase price or current market value, whichever is less) rr_MaximumDeferredSalesChargeOverOfferingPrice none
Management Fees rr_ManagementFeesOverAssets 0.75%
Distribution and/or Shareholder Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses rr_OtherExpensesOverAssets 0.49%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.50% [1]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 620
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 927
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,255
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 2,180
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 (1.64%)
Since Inception rr_AverageAnnualReturnSinceInception 3.88%
Inception Date rr_AverageAnnualReturnInceptionDate Apr. 16, 2007
High Yield Strategy Fund (Second Prospectus Summary) | High Yield Strategy Fund | A-Class | After Taxes on Distributions
 
Risk Return [Abstract] rr_RiskReturnAbstract  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 (2.48%)
Since Inception rr_AverageAnnualReturnSinceInception 1.23%
Inception Date rr_AverageAnnualReturnInceptionDate Apr. 16, 2007
High Yield Strategy Fund (Second Prospectus Summary) | High Yield Strategy Fund | A-Class | After Taxes on Distributions and Sales
 
Risk Return [Abstract] rr_RiskReturnAbstract  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 (1.06%)
Since Inception rr_AverageAnnualReturnSinceInception 1.66%
Inception Date rr_AverageAnnualReturnInceptionDate Apr. 16, 2007
High Yield Strategy Fund (Second Prospectus Summary) | High Yield Strategy Fund | C-Class
 
Risk Return [Abstract] rr_RiskReturnAbstract  
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (Load) (as a percentage of initial purchase price or current market value, whichever is less) rr_MaximumDeferredSalesChargeOverOfferingPrice 1.00%
Management Fees rr_ManagementFeesOverAssets 0.75%
Distribution and/or Shareholder Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 1.00%
Other Expenses rr_OtherExpensesOverAssets 0.50%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 2.26% [1]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 329
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 706
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,210
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 2,595
Expense Example, No Redemption, 1 Year rr_ExpenseExampleNoRedemptionYear01 229
Expense Example, No Redemption, 3 Years rr_ExpenseExampleNoRedemptionYear03 706
Expense Example, No Redemption, 5 Years rr_ExpenseExampleNoRedemptionYear05 1,210
Expense Example, No Redemption, 10 Years rr_ExpenseExampleNoRedemptionYear10 2,595
Annual Return 2008 rr_AnnualReturn2008 (9.41%)
Annual Return 2009 rr_AnnualReturn2009 10.33%
Annual Return 2010 rr_AnnualReturn2010 15.62%
Annual Return 2011 rr_AnnualReturn2011 2.47%
Year to Date Return, Label rr_YearToDateReturnLabel The year-to-date return for the period
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Jun. 30, 2012
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn 5.55%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest Quarter Return
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Sep. 30, 2009
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 9.31%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest Quarter Return
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Mar. 31, 2009
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (13.23%)
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 1.48%
Since Inception rr_AverageAnnualReturnSinceInception 4.17%
Inception Date rr_AverageAnnualReturnInceptionDate Apr. 16, 2007
High Yield Strategy Fund (Second Prospectus Summary) | High Yield Strategy Fund | C-Class | After Taxes on Distributions
 
Risk Return [Abstract] rr_RiskReturnAbstract  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 0.56%
Since Inception rr_AverageAnnualReturnSinceInception 1.46%
Inception Date rr_AverageAnnualReturnInceptionDate Apr. 16, 2007
High Yield Strategy Fund (Second Prospectus Summary) | High Yield Strategy Fund | C-Class | After Taxes on Distributions and Sales
 
Risk Return [Abstract] rr_RiskReturnAbstract  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 0.96%
Since Inception rr_AverageAnnualReturnSinceInception 1.88%
Inception Date rr_AverageAnnualReturnInceptionDate Apr. 16, 2007
[1] The Total Annual Fund Operating Expenses in this fee table may not correlate to the expense ratios in the Fund's financial highlights and financial statements because the financial highlights and financial statements reflect only the operating expenses of the Fund and do not include Acquired Fund Fees and Expenses, which are fees and expenses incurred indirectly by the Fund through its investments in certain underlying investment companies.