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Label Element Value
Prospectus: rr_ProspectusTable  
Document Type dei_DocumentType Other
Document Period End Date dei_DocumentPeriodEndDate Sep. 30, 2015
Registrant Name dei_EntityRegistrantName RYDEX SERIES FUNDS
Central Index Key dei_EntityCentralIndexKey 0000899148
Amendment Flag dei_AmendmentFlag false
Document Creation Date dei_DocumentCreationDate Sep. 30, 2015
Document Effective Date dei_DocumentEffectiveDate Sep. 30, 2015
Prospectus Date rr_ProspectusDate Sep. 30, 2015
Investor Class and Class H | Nova Fund  
Prospectus: rr_ProspectusTable  
Risk/Return [Heading] rr_RiskReturnHeading NOVA FUND     
Supplement [Text Block] cik0000899148_SupplementTextBlock
IMPORTANT INFORMATION ABOUT THE FUND
The Nova Fund (the “Fund”) is very different from most other mutual funds in that it seeks daily leveraged investment results.  As a result, the Fund may be riskier than alternatives that do not use leverage because the performance of an investment in the Fund is magnified. 
The effect of leverage on the Fund will generally cause the Fund’s performance to not match the performance of the Fund’s benchmark (as described below) over a period of time greater than a single trading day. This means that the return of the Fund for a period of longer than a single trading day will be the result of each day’s compounded returns over the period, which will very likely differ from 1.5x of the return of the Fund’s underlying index (as defined below) for that period. As a consequence, especially in periods of market volatility, the path or trend of the benchmark during the longer period may be at least as important to the Fund’s cumulative return for the longer period as the cumulative return of the benchmark for the relevant longer period.  Further, the return for investors who invest for a period longer than a single trading day will not be the product of the return of the Fund’s stated investment goal (e.g., 1.5x) and the cumulative performance of the benchmark.
The Fund is not suitable for all investors. The Fund should be utilized only by investors who (a) understand the risks associated with the use of leverage, (b) understand the consequences of seeking daily leveraged investment results, and (c) intend to actively monitor and manage their investments.  Investors who do not meet these criteria should not buy shares of the Fund. An investment in the Fund is not a complete investment program.
Objective [Heading] rr_ObjectiveHeading INVESTMENT OBJECTIVE
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock
The Fund seeks to provide investment results that match, before fees and expenses, the performance of a specific benchmark on a daily basis. The Fund’s current benchmark is 150% of the performance of the S&P 500® Index (the “underlying index”). The Fund does not seek to achieve its investment objective over a period of time greater than one day.
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 Investor Class shares or Class H shares of the Fund.
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 403% 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 403.00%
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.
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption 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:
Strategy [Heading] rr_StrategyHeading PRINCIPAL INVESTMENT STRATEGIES
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock
The Fund employs as its investment strategy a program of investing in the common stock of companies that are generally within the capitalization range of the underlying index and leveraged derivative instruments, which primarily consist of equity index swap agreements, futures contracts, and options on securities, futures contracts, and stock indices. While the Fund may write (sell) and purchase swaps, it expects primarily to purchase swaps. Equity index swaps and futures and options contracts, if used properly, may enable the Fund to meet its objective by increasing the Fund’s exposure to the securities included in the underlying index or to securities whose performance is highly correlated to that of the Fund’s benchmark. The Advisor attempts to consistently apply leverage to increase the Fund's exposure to 150% of the underlying index. The Fund’s use of derivatives and the leveraged investment exposure created by such use are expected to be significant. Certain of the Fund’s derivatives investments may be traded in the over-the-counter (“OTC”) market, which generally provides for less transparency than exchange-traded derivative instruments.
Investments in derivative instruments, such as futures, options and swap agreements, have the economic effect of creating financial leverage in the Fund’s portfolio because such investments may give rise to losses that exceed the amount the Fund has invested in those instruments. Financial leverage will magnify, sometimes significantly, the Fund’s exposure to any increase or decrease in prices associated with a particular reference asset resulting in increased volatility in the value of the Fund’s portfolio. The value of the Fund’s portfolio is likely to experience greater volatility over short-term periods. While such financial leverage has the potential to produce greater gains, it also may result in greater losses, which in some cases may cause the Fund to liquidate other portfolio investments at a loss to comply with limits on leverage and asset segregation requirements imposed by the Investment Company Act of 1940 or to meet redemption requests.

The S&P 500® Index is a capitalization-weighted index composed of 500 common stocks, which are chosen by the Standard & Poor’s Corporation (“S&P”) on a statistical basis, and which generally represent large-capitalization companies with capitalizations ranging from $3.3 billion to $722.7 billion as of June 30, 2015. To the extent the Fund’s underlying index is concentrated in a particular industry the Fund will necessarily be concentrated in that industry. On a day-to-day basis, the Fund may hold U.S. government securities or cash equivalents. 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 certain circumstances the Fund may invest a substantial portion of its assets in other short-term fixed-income investment companies advised by the Advisor, or an affiliate of the Advisor, for liquidity management purposes, including in order to increase yield on liquid investments used to collateralize derivatives positions. Investments in these investment companies will significantly increase the portfolio’s exposure to certain other asset categories, including: (i) a broad range of high yield, high risk debt securities rated below the top four long-term rating categories by a nationally recognized statistical rating organization or, if unrated, determined by the Advisor, to be of comparable quality (also known as “junk bonds”); (ii) securities issued by the U.S. government or its agencies and instrumentalities; (iii) collateralized loan obligations (“CLOs”), other asset-backed securities (including mortgage-backed securities) and similarly structured debt investments; and (iv) other short-term fixed income securities. Such investments will expose the Fund to the risks of these asset categories and increases or decreases in the value of these investments may cause the Fund to deviate from its investment objective.
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 the principal risks described below.

ACTIVE TRADING RISK—The Fund may be used as a tool for certain investors that employ trading strategies involving frequent trading. Such trading strategies may lead to increased portfolio turnover in the Fund, higher transaction costs, and the possibility of increased short-term capital gains (which will be taxable to shareholders as ordinary income when distributed to them) and/or long-term capital gains. Large movements of assets into and out of the Fund due to active or frequent trading also may adversely affect the Fund's ability to achieve its investment objective.
 
ASSET-BACKED AND MORTGAGE-BACKED SECURITIES RISKThrough its investments in other investment companies, the Fund may have exposure to asset-backed securities, including mortgage-backed securities and structured finance investments. Investors in these securities generally receive payments that are part interest and part return of principal. These payments may vary based on the rate at which the underlying borrowers pay off their loans. Some asset-backed securities, including mortgage-backed securities, may have structures that make their reaction to interest rates and other factors difficult to predict, making their prices very volatile and they are subject to liquidity risk.

CLO RISKThrough its investments in other investment companies, the Fund may have exposure to CLOs. A CLO is a trust typically collateralized by a pool of loans, which may include, among others, domestic and foreign senior secured loans, senior unsecured loans, and subordinate corporate loans, including loans that may be rated below investment grade or equivalent unrated loans. The cash flows from the trust are split into two or more portions, called tranches, varying in risk and yield. CLO tranches can experience substantial losses due to actual defaults, increased sensitivity to defaults due to collateral default and disappearance of protecting tranches, market anticipation of defaults, as well as aversion to CLO securities as a class. The risks of an investment in a CLO depend largely on the type of the collateral securities and the class of the CLO in which the Fund invests.

CORRELATION AND COMPOUNDING RISKA number of factors may affect the Fund’s ability to achieve a high degree of correlation with its benchmark, and there can be no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective. The Fund does not attempt to, and should not be expected to, provide returns which are a multiple of the returns of the underlying index for periods other than a single day. The risk of the Fund not achieving its daily investment objective will be more acute when the underlying index has an extreme one-day movement approaching 50%. In addition, as a result of compounding, the Fund’s performance for periods greater than one day is likely to be either greater than or less than the performance of the underlying index times the stated multiple in the Fund’s investment objective, before accounting for fees and Fund expenses.

Compounding affects all investments, but has a more significant impact on a leveraged index fund. In general, particularly during periods of higher index volatility, compounding will cause longer-term results to be more or less than the return of the Fund’s benchmark. This effect becomes more pronounced as volatility increases.

Fund performance for periods greater than one day can be estimated given any set of assumptions for the following factors: (a) underlying index performance; (b) underlying index volatility; (c) financing rates associated with leverage; (d) other Fund expenses; (e) dividends paid by companies in the underlying index; and (f) period of time. The table below illustrates the impact of two principal factors – volatility and index performance – on Fund performance. The table shows estimated Fund returns for a number of combinations of performance and volatility over a one-year period. Performance shown in the table assumes: (a) no dividends paid by the companies included in the underlying index; (b) no Fund expenses; and (c) a cost of leverage of zero percent. If Fund expenses, including the cost of leverage, were included, the Fund’s performance would be lower than shown.

Areas shaded lighter represent those scenarios where the Fund can be expected to return more than 150% of the performance of the underlying index; conversely, areas shaded darker represent those scenarios where the Fund can be expected to return less than 150% of the performance of the underlying index.
Index Performance
Annualized Volatility
1x
1.5x
10%
25%
50%
75%
100%
-60%
-90%
-75%
-75%
-77%
-79%
-83%
-50%
-75%
-65%
-65%
-68%
-72%
-76%
-40%
-60%
-54%
-55%
-58%
-62%
-68%
-30%
-45%
-42%
-43%
-47%
-52%
-60%
-20%
-30%
-29%
-31%
-34%
-42%
-51%
-10%
-15%
-15%
-17%
-23%
-32%
-41%
0%
0%
0%
-2%
-9%
-19%
-32%
10%
15%
14%
13%
5%
-6%
-21%
20%
30%
31%
29%
19%
9%
-9%
30%
45%
47%
45%
35%
20%
2%
40%
60%
65%
62%
50%
35%
13%
50%
75%
83%
79%
68%
49%
25%
60%
90%
102%
98%
85%
63%
38%

The underlying index’s annualized historical volatility rate for the five year period ended June 30, 2015 is 12.00%. The underlying index’s highest one-year volatility rate during the five year period is 18.18%. The underlying index’s annualized performance for the five year period ended June 30, 2015 is 17.34%.

Historical underlying index volatility and performance are not indications of what the underlying index volatility and performance will be in the future. The table is intended to underscore that the Fund is designed as a short-term trading vehicle for investors who intend to actively monitor and manage their portfolios.

COUNTERPARTY CREDIT RISKThe 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, the Fund is exposed to the risk that the counterparty may be unwilling or unable to make timely payments to meet its contractual obligations or may fail to return holdings that are subject to the agreement with the counterparty. If the counterparty becomes bankrupt or defaults on its payment obligations to the Fund, the Fund may not receive the full amount that it is entitled to receive. If this occurs, the value of your shares in the Fund will decrease.

CREDIT RISKThe Fund could lose money if the issuer or guarantor of a debt instrument in which it invests or a counterparty to a derivatives transaction or other transaction becomes unwilling or unable to make timely principal and/or interest payments, or to otherwise meet its obligations. The issuer of a debt instrument, such as a bond, could also suffer a decrease in quality rating, which may affect the volatility of the price and liquidity of the bond.

DERIVATIVES RISKThe Fund’s investments in derivatives may pose risks in addition to and greater than those associated with investing directly in securities or other investments, including risks relating to leverage, imperfect correlations with underlying investments or the Fund’s other portfolio holdings, high price volatility, lack of availability, counterparty credit, liquidity, valuation and legal restrictions. Their use is a highly specialized activity that involves investment techniques and risks different from those associated with ordinary portfolio securities transactions. If the Advisor is incorrect about its expectations of market conditions, the use of derivatives could also result in a loss, which in some cases may be unlimited. Certain risks are specific to the derivatives in which the Fund invests.

SWAP AGREEMENTS RISKSwap agreements are contracts among the Fund and a counterparty to exchange the return of the pre-determined underlying investment (such as the rate of return of the underlying index). Swap agreements may be negotiated bilaterally and traded OTC between two parties or, in some instances, must be transacted through a futures commission merchant and cleared through a clearinghouse that serves as a central counterparty. Risks associated with the use of swap agreements are different from those associated with ordinary portfolio securities transactions, due in part to the fact they could be considered illiquid and many swaps trade on the OTC market. Swaps are particularly subject to counterparty credit, correlation, valuation, liquidity and leveraging risks. Certain standardized swaps are subject to mandatory central clearing. Central clearing is expected to reduce counterparty credit risk and increase liquidity, but central clearing does not make swap transactions risk-free.

FUTURES CONTRACTS RISKFutures contracts are typically exchange-traded contracts that call for the future delivery of an asset at a certain price and date, or cash settlement of the terms of the contract. Risks of futures contracts may be caused by an imperfect correlation between movements in the price of the instruments and the price of the underlying securities. In addition, there is the risk that the Fund may not be able to enter into a closing transaction because of an illiquid market. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Futures markets are highly volatile and the use of futures may increase the volatility of the Fund’s NAV. Futures are also subject to leverage risks and to liquidity risk.

OPTIONS RISKOptions or options on futures contracts give the holder of the option the right to buy (or to sell) a position in a security or in a contract to the writer of the option, at a certain price. They are subject to correlation risk because there may be an imperfect correlation between the options and the securities markets that cause a given transaction to fail to achieve its objectives. The successful use of options depends on the Advisor’s ability to correctly predict future price fluctuations and the degree of correlation between the options and securities markets. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Options are also particularly subject to leverage risk and can be subject to liquidity risk.

EARLY CLOSING RISKThe 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.

EQUITY RISKThe Fund is subject to the risk that the value of the equity securities or equity-based derivatives in the Fund’s portfolio will decline due to volatility in the equity market caused by general market and economic conditions, perceptions regarding particular industries represented in the equity market, or factors relating to specific companies to which the Fund has investment exposure.

HIGH YIELD AND UNRATED SECURITIES RISKThe Fund’s exposure to higher yielding, below investment grade and unrated high risk debt securities (commonly known as “junk bonds”) may present additional risk because these securities may be less liquid and present greater credit risk than investment grade bonds. The price of high yield securities tends to be subject to greater volatility due to issuer-specific operating results and outlook and to real or perceived adverse economic and competitive industry conditions. This exposure may be obtained through investments in other investment companies.

INTEREST RATE RISKThe market value of fixed income investments and related financial instruments will change in response to interest rate changes. During periods of falling interest rates, the values of fixed income securities generally rise. Conversely, during periods of rising interest rates, the values of such securities generally decline. Accordingly, the potential for the value of a floating rate security to increase/decrease in response to interest rate declines/increases is limited. Fixed income securities with longer durations are subject to greater volatility than those with shorter durations. Thus, if interest rates rise sharply, the value of the Fund’s fixed income investments and share price could decline. The Fund may be subject to a greater risk of rising interest rates due to the current period of historically low rates and the effect of potential government fiscal policy initiatives and resulting market reaction to those initiatives.

INVESTMENT IN INVESTMENT VEHICLES RISKInvesting in other investment vehicles, including, exchange-traded funds, closed-end funds, affiliated short-term fixed-income funds and other mutual funds, subjects the Fund to those risks affecting the investment vehicle, including the possibility that the value of the underlying securities held by the investment vehicle could decrease. Moreover, the Fund will incur its pro rata share of the expenses of the underlying investment vehicles’ expenses. Consequently, an investment in the Fund entails more direct and indirect expenses than a direct investment in the underlying investment vehicles.

INVESTMENTS IN LOANS RISKInvestments in loans involve special types of risks, including credit risk, interest rate risk, counterparty risk and prepayment risk. Loans may offer a fixed or floating interest rate. Loans are often generally below investment grade and may be unrated. Loans may be difficult to value and some can be subject to liquidity risk.

LARGE-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that large-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

LEVERAGING RISKThe Fund achieves leveraged exposure to the underlying index through the use of derivative instruments.  The more the Fund invests in leveraged instruments, the more this leverage will magnify any losses on those investments. The Fund’s investment in these 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. Since the Fund’s investment strategy involves consistently applied leverage, the value of the Fund’s shares will tend to increase or decrease more than the value of any increase or decrease in the underlying index. Leverage also will have the effect of magnifying tracking error.

LIQUIDITY RISK—In certain circumstances, it may be difficult for the Fund to purchase and sell a particular security or derivative instrument within a reasonable time at a fair price. While the Fund 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 market value of the securities and derivatives held by the Fund may fluctuate resulting from factors affecting the individual company or other factors such as changing economic, political or financial market conditions. Moreover, changing economic, political or financial market conditions in one country or geographic region could adversely impact the market value of the securities held by the Fund in a different country or geographic region.

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 RISKCertain 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 derivatives contracts.

PASSIVE INVESTMENT RISKThe Fund is not actively managed and the Advisor 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 is actively managed.

PORTFOLIO TURNOVER RISKDaily rebalancing of the Fund's holdings pursuant to its daily investment objective may lead to a greater number of portfolio transactions in the Fund than experienced by other mutual funds. Such frequent and active trading may lead to significantly higher transaction costs because of increased broker commissions associated with such transactions.

PREPAYMENT RISKThe Fund’s investments in or exposure to fixed income investments subjects the Fund to prepayment risk. Securities subject to prepayment risk generally offer less potential for gains when interest rates decline, because issuers of the securities may be able to prepay the principal due on the securities, and may offer a greater potential for income loss when interest rates rise.

REPURCHASE AGREEMENT RISKThe 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.

TRACKING ERROR RISKThe Advisor may not be able to cause the Fund’s performance to match that of the Fund’s benchmark, either on a daily or aggregate basis. Factors such as Fund expenses, imperfect correlation between the Fund’s investments and those of the underlying index, rounding of share prices, changes to the composition of the underlying index, regulatory policies, high portfolio turnover rate, and the use of leverage all contribute to tracking error. Tracking error may cause the Fund’s performance to be less than you expect.

TRADING HALT RISKIf 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 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.
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 Investor 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 tables show the performance of the Investor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index. Class H shares of the Fund were established on August 18, 2014 and, therefore, do not have a full calendar year of performance. The figures in the bar chart and tables assume the reinvestment of dividends and capital gains distributions. 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.guggenheiminvestments.com or by calling Guggenheim Investments Client Services at 800.820.0888.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following bar chart shows the performance of the Investor 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 tables show the performance of the Investor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone 800.820.0888
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.guggenheiminvestments.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 Investor Class shares is based on a calendar year. The year-to-date return for the period from January 1, 2015 through June 30, 2015 is 0.92%.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Highest Quarter Return
 
Lowest Quarter Return
 
Q2 2009
23.95%
 
Q4 2008
-34.77
 %
Performance Table Heading rr_PerformanceTableHeading AVERAGE ANNUAL TOTAL RETURN (for periods ended December 31, 2014)
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.
Investor Class and Class H | Nova Fund | S&P 500 Index  
Prospectus: rr_ProspectusTable  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes reflects no deduction for fees, expenses or taxes
Label rr_AverageAnnualReturnLabel S&P 500® Index (reflects no deduction for fees, expenses or taxes)
1 Year rr_AverageAnnualReturnYear01 13.69%
5 Years rr_AverageAnnualReturnYear05 15.45%
10 Years rr_AverageAnnualReturnYear10 7.67%
Investor Class and Class H | Nova Fund | Investor Class  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYNVX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.75%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.52%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.27%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 129
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 403
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 697
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,534
Annual Return 2005 rr_AnnualReturn2005 4.62%
Annual Return 2006 rr_AnnualReturn2006 19.72%
Annual Return 2007 rr_AnnualReturn2007 1.75%
Annual Return 2008 rr_AnnualReturn2008 (54.28%)
Annual Return 2009 rr_AnnualReturn2009 36.08%
Annual Return 2010 rr_AnnualReturn2010 20.76%
Annual Return 2011 rr_AnnualReturn2011 (0.57%)
Annual Return 2012 rr_AnnualReturn2012 22.82%
Annual Return 2013 rr_AnnualReturn2013 49.08%
Annual Return 2014 rr_AnnualReturn2014 18.76%
Year to Date Return, Label rr_YearToDateReturnLabel year-to-date return
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Jun. 30, 2015
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn 0.92%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest Quarter Return
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Jun. 30, 2009
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 23.95%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest Quarter Return
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Dec. 31, 2008
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (34.77%)
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 18.76%
5 Years rr_AverageAnnualReturnYear05 21.16%
10 Years rr_AverageAnnualReturnYear10 7.55%
Investor Class and Class H | Nova Fund | Investor Class | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 18.71%
5 Years rr_AverageAnnualReturnYear05 21.13%
10 Years rr_AverageAnnualReturnYear10 7.05%
Investor Class and Class H | Nova Fund | Investor Class | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 10.62%
5 Years rr_AverageAnnualReturnYear05 17.36%
10 Years rr_AverageAnnualReturnYear10 5.86%
Investor Class and Class H | Nova Fund | Class H  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYNHX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.75%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.51%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.51%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 154
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 477
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 824
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,802
Investor Class and Class H | Inverse S&P 500 Strategy Fund  
Prospectus: rr_ProspectusTable  
Risk/Return [Heading] rr_RiskReturnHeading INVERSE S&P 500® STRATEGY FUND
Supplement [Text Block] cik0000899148_SupplementTextBlock
IMPORTANT INFORMATION ABOUT THE FUND
The Inverse S&P 500® Strategy Fund (the “Fund”) is very different from most other mutual funds in that it seeks to provide investment results that match the inverse of the performance of a specific underlying index on a daily basis, a result opposite of most mutual funds. As a result, the Fund may be riskier than alternatives that do not rely on the use of derivatives to achieve their investment objectives.
Because the Fund seeks daily inverse investment results, the return of the Fund for a period of longer than a single trading day will be the result of each day’s compounded returns over the period, which will very likely differ from the inverse return of the Fund’s underlying index (as defined below) for that period. As a consequence, especially in periods of market volatility, the path or trend of the benchmark during the longer period may be at least as important to the Fund’s return for the longer period as the cumulative return of the benchmark for the relevant longer period. Further, the return for investors who invest for a period longer than a single trading day will not be the product of the return of the Fund’s stated investment goal (e.g., -1x) and the cumulative performance of the benchmark.
The Fund is not suitable for all investors. The Fund should be utilized only by investors who (a) understand the consequences of seeking daily inverse investment results, (b) understand the risk of shorting and (c) intend to actively monitor and manage their investments. Investors who do not meet these criteria should not buy shares of the Fund. An investment in the Fund is not a complete investment program.
Objective [Heading] rr_ObjectiveHeading INVESTMENT OBJECTIVE
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock
The Fund seeks to provide investment results that match, before fees and expenses, the performance of a specific benchmark on a daily basis. The Fund’s current benchmark is the inverse (opposite) of the performance of the S&P 500® Index (the “underlying index”). The Fund does not seek to achieve its investment objective over a period of time greater than one day.
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 Investor Class shares or Class H shares of the Fund.
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 103% 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 103.00%
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.
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption 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:
Strategy [Heading] rr_StrategyHeading PRINCIPAL INVESTMENT STRATEGIES
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock
Unlike a traditional index fund, the Fund’s investment objective is to perform exactly opposite the underlying index, and the Fund generally will not own the securities included in the underlying index. Instead, the Fund employs as its investment strategy a program of engaging in short sales of securities included in the underlying index and investing to a significant extent in derivative instruments, which primarily consist of equity index swaps, futures contracts, and options on securities, futures contracts, and stock indices. While the Fund may write (sell) and purchase swaps, it expects primarily to write swaps. The Fund’s investment in derivatives serves as a substitute for directly selling short each of the securities included in the underlying index and produces inverse exposure to the underlying index. Certain of the Fund’s derivatives investments may be traded in the over-the-counter (“OTC”) market, which generally provides for less transparency than exchange-traded derivative instruments. Under normal circumstances, the Fund will invest at least 80% of its net assets, plus any borrowings for investment purposes, in financial instruments with economic characteristics that should perform opposite to the securities of companies included in the underlying index.
Investments in derivative instruments, such as futures, options and swap agreements, have the economic effect of creating financial leverage in the Fund’s portfolio because such investments may give rise to losses that exceed the amount the Fund has invested in those instruments. Financial leverage will magnify, sometimes significantly, the Fund’s exposure to any increase or decrease in prices associated with a particular reference asset resulting in increased volatility in the value of the Fund’s portfolio. The value of the Fund’s portfolio is likely to experience greater volatility over short-term periods. While such financial leverage has the potential to produce greater gains, it also may result in greater losses, which in some cases may cause the Fund to liquidate other portfolio investments at a loss to comply with limits on leverage and asset segregation requirements imposed by the Investment Company Act of 1940 or to meet redemption requests.

The S&P 500® Index is a capitalization-weighted index composed of 500 common stocks, which are chosen by the Standard & Poor’s Corporation (“S&P”) on a statistical basis, and which generally represent large-capitalization companies with capitalizations ranging from $3.3 billion to $722.7 billion as of June 30, 2015. To the extent the Fund’s underlying index is concentrated in a particular industry the Fund will necessarily be concentrated in that industry. On a day-to-day basis, the Fund may hold U.S. government securities or cash equivalents. 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 certain circumstances the Fund may invest a substantial portion of its assets in other short-term fixed-income investment companies advised by the Advisor, or an affiliate of the Advisor, for liquidity management purposes, including in order to increase yield on liquid investments used to collateralize derivatives positions. Investments in these investment companies will significantly increase the portfolio’s exposure to certain other asset categories, including: (i) a broad range of high yield, high risk debt securities rated below the top four long-term rating categories by a nationally recognized statistical rating organization or, if unrated, determined by the Advisor, to be of comparable quality (also known as “junk bonds”); (ii) securities issued by the U.S. government or its agencies and instrumentalities; (iii) collateralized loan obligations (“CLOs”), other asset-backed securities (including mortgage-backed securities) and similarly structured debt investments; and (iv) other short-term fixed income securities. Such investments will expose the Fund to the risks of these asset categories and increases or decreases in the value of these investments may cause the Fund to deviate from its investment objective.

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 the principal risks described below.

ACTIVE TRADING RISK—The Fund may be used as a tool for certain investors that employ trading strategies involving frequent trading. Such trading strategies may lead to increased portfolio turnover in the Fund, higher transaction costs, and the possibility of increased short-term capital gains (which will be taxable to shareholders as ordinary income when distributed to them) and/or long-term capital gains. Large movements of assets into and out of the Fund due to active or frequent trading also may adversely affect the Fund's ability to achieve its investment objective.
 
ASSET-BACKED AND MORTGAGE-BACKED SECURITIES RISKThrough its investments in other investment companies, the Fund may have exposure to asset-backed securities, including mortgage-backed securities and structured finance investments. Investors in these securities generally receive payments that are part interest and part return of principal. These payments may vary based on the rate at which the underlying borrowers pay off their loans. Some asset-backed securities, including mortgage-backed securities, may have structures that make their reaction to interest rates and other factors difficult to predict, making their prices very volatile and they are subject to liquidity risk.

CLO RISKThrough its investments in other investment companies, the Fund may have exposure to CLOs. A CLO is a trust typically collateralized by a pool of loans, which may include, among others, domestic and foreign senior secured loans, senior unsecured loans, and subordinate corporate loans, including loans that may be rated below investment grade or equivalent unrated loans. The cash flows from the trust are split into two or more portions, called tranches, varying in risk and yield. CLO tranches can experience substantial losses due to actual defaults, increased sensitivity to defaults due to collateral default and disappearance of protecting tranches, market anticipation of defaults, as well as aversion to CLO securities as a class. The risks of an investment in a CLO depend largely on the type of the collateral securities and the class of the CLO in which the Fund invests.

CORRELATION AND COMPOUNDING RISKA number of factors may affect the Fund’s ability to achieve a high degree of correlation with its benchmark, and there can be no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective. The risk of the Fund not achieving its daily investment objective will be more acute when the underlying index has an extreme one-day movement approaching 50%. In addition, as a result of compounding, because the Fund has a single day investment objective, the Fund’s performance for periods greater than one day is likely to be either greater than or less than the inverse of the performance of the underlying index, before accounting for fees and Fund expenses.

Compounding affects all investments, but has a more significant impact on a leveraged fund. In general, particularly during periods of higher index volatility, compounding will cause longer term results to be more or less than the inverse of the return of the underlying index. This effect becomes more pronounced as volatility increases.

Fund performance for periods greater than one day can be estimated given any set of assumptions for the following factors: (a) underlying index performance; (b) underlying index volatility; (c) financing rates associated with leverage; (d) other Fund expenses; (e) dividends paid by companies in the underlying index; and (f) period of time. The table below illustrates the impact of two principal factors – volatility and index performance – on Fund performance. The table shows estimated Fund returns for a number of combinations of performance and volatility over a one-year period. Performance shown in the table assumes: (a) no dividends paid by the companies included in the underlying index; (b) no Fund expenses; and (c) a cost of leverage of zero percent. If Fund expenses, including the cost of leverage, were included, the Fund’s performance would be lower than shown.

Areas shaded lighter represent those scenarios where the Fund can be expected to return more than the inverse performance of the underlying index; conversely, areas shaded darker represent those scenarios where the Fund can be expected to return the same or less than the inverse performance of the underlying index.
Index Performance
Annualized Volatility
1x
-1x
10%
25%
50%
75%
100%
-60%
60%
148%
132%
96%
42%
-6%
-50%
50%
98%
87%
57%
14%
-28%
-40%
40%
65%
56%
30%
-5%
-38%
-30%
30%
42%
34%
13%
-18%
-47%
-20%
20%
24%
18%
-3%
-28%
-54%
-10%
10%
10%
4%
-13%
-36%
-59%
0%
0%
-1%
-6%
-22%
-43%
-64%
10%
-10%
-10%
-15%
-29%
-48%
-67%
20%
-20%
-17%
-22%
-35%
-53%
-69%
30%
-30%
-24%
-28%
-40%
-56%
-71%
40%
-40%
-29%
-33%
-44%
-60%
-73%
50%
-50%
-34%
-37%
-48%
-62%
-76%
60%
-60%
-38%
-41%
-51%
-65%
-78%

The underlying index’s annualized historical volatility rate for the five year period ended June 30, 2015 is 12.00%. The underlying index’s highest one-year volatility rate during the five year period is 18.18%. The underlying index’s annualized performance for the five year period ended June 30, 2015 is 17.34%.

Historical underlying index volatility and performance are not indications of what the underlying index volatility and performance will be in the future. The table is intended to underscore that the Fund is designed as a short-term trading vehicle for investors who intend to actively monitor and manage their portfolios.

COUNTERPARTY CREDIT RISKThe 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, the Fund is exposed to the risk that the counterparty may be unwilling or unable to make timely payments to meet its contractual obligations or may fail to return holdings that are subject to the agreement with the counterparty. If the counterparty becomes bankrupt or defaults on its payment obligations to the Fund, the Fund may not receive the full amount that it is entitled to receive. If this occurs, the value of your shares in the Fund will decrease.

CREDIT RISKThe Fund could lose money if the issuer or guarantor of a debt instrument in which it invests or a counterparty to a derivatives transaction or other transaction becomes unwilling or unable to make timely principal and/or interest payments, or to otherwise meet its obligations. The issuer of a debt instrument, such as a bond, could also suffer a decrease in quality rating, which may affect the volatility of the price and liquidity of the bond.

DERIVATIVES RISKThe Fund’s investments in derivatives may pose risks in addition to and greater than those associated with investing directly in securities or other investments, including risks relating to leverage, imperfect correlations with underlying investments or the Fund’s other portfolio holdings, high price volatility, lack of availability, counterparty credit, liquidity, valuation and legal restrictions. Their use is a highly specialized activity that involves investment techniques and risks different from those associated with ordinary portfolio securities transactions. If the Advisor is incorrect about its expectations of market conditions, the use of derivatives could also result in a loss, which in some cases may be unlimited. Certain risks are specific to the derivatives in which the Fund invests.

SWAP AGREEMENTS RISKSwap agreements are contracts among the Fund and a counterparty to exchange the return of the pre-determined underlying investment (such as the rate of return of the underlying index). Swap agreements may be negotiated bilaterally and traded OTC between two parties or, in some instances, must be transacted through a futures commission merchant and cleared through a clearinghouse that serves as a central counterparty. Risks associated with the use of swap agreements are different from those associated with ordinary portfolio securities transactions, due in part to the fact they could be considered illiquid and many swaps trade on the OTC market. Swaps are particularly subject to counterparty credit, correlation, valuation, liquidity and leveraging risks. Certain standardized swaps are subject to mandatory central clearing. Central clearing is expected to reduce counterparty credit risk and increase liquidity, but central clearing does not make swap transactions risk-free.

FUTURES CONTRACTS RISKFutures contracts are typically exchange-traded contracts that call for the future delivery of an asset at a certain price and date, or cash settlement of the terms of the contract. Risks of futures contracts may be caused by an imperfect correlation between movements in the price of the instruments and the price of the underlying securities. In addition, there is the risk that the Fund may not be able to enter into a closing transaction because of an illiquid market. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Futures markets are highly volatile and the use of futures may increase the volatility of the Fund’s NAV. Futures are also subject to leverage risks and to liquidity risk.

OPTIONS RISKOptions or options on futures contracts give the holder of the option the right to buy (or to sell) a position in a security or in a contract to the writer of the option, at a certain price. They are subject to correlation risk because there may be an imperfect correlation between the options and the securities markets that cause a given transaction to fail to achieve its objectives. The successful use of options depends on the Advisor’s ability to correctly predict future price fluctuations and the degree of correlation between the options and securities markets. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Options are also particularly subject to leverage risk and can be subject to liquidity risk.

EARLY CLOSING RISKThe 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.

EQUITY RISKThe Fund is subject to the risk that the value of the equity securities or equity-based derivatives in the Fund’s portfolio will decline due to volatility in the equity market caused by general market and economic conditions, perceptions regarding particular industries represented in the equity market, or factors relating to specific companies to which the Fund has investment exposure.

HIGH YIELD AND UNRATED SECURITIES RISKThe Fund’s exposure to higher yielding, below investment grade and unrated high risk debt securities (commonly known as “junk bonds”) may present additional risk because these securities may be less liquid and present greater credit risk than investment grade bonds. The price of high yield securities tends to be subject to greater volatility due to issuer-specific operating results and outlook and to real or perceived adverse economic and competitive industry conditions. This exposure may be obtained through investments in other investment companies.

INTEREST RATE RISKThe market value of fixed income investments and related financial instruments will change in response to interest rate changes. During periods of falling interest rates, the values of fixed income securities generally rise. Conversely, during periods of rising interest rates, the values of such securities generally decline. Accordingly, the potential for the value of a floating rate security to increase/decrease in response to interest rate declines/increases is limited. Fixed income securities with longer durations are subject to greater volatility than those with shorter durations. Thus, if interest rates rise sharply, the value of the Fund’s fixed income investments and share price could decline. The Fund may be subject to a greater risk of rising interest rates due to the current period of historically low rates and the effect of potential government fiscal policy initiatives and resulting market reaction to those initiatives.

INVESTMENT IN INVESTMENT VEHICLES RISKInvesting in other investment vehicles, including, exchange-traded funds, closed-end funds, affiliated short-term fixed-income funds and other mutual funds, subjects the Fund to those risks affecting the investment vehicle, including the possibility that the value of the underlying securities held by the investment vehicle could decrease. Moreover, the Fund will incur its pro rata share of the expenses of the underlying investment vehicles’ expenses. Consequently, an investment in the Fund entails more direct and indirect expenses than a direct investment in the underlying investment vehicles.

INVESTMENTS IN LOANS RISKInvestments in loans involve special types of risks, including credit risk, interest rate risk, counterparty risk and prepayment risk. Loans may offer a fixed or floating interest rate. Loans are often generally below investment grade and may be unrated. Loans may be difficult to value and some can be subject to liquidity risk.

LARGE-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that large-capitalization stocks may outperform other segments of the equity market or the equity market as a whole.

LIQUIDITY RISK—In certain circumstances, it may be difficult for the Fund to purchase and sell a particular security or derivative instrument within a reasonable time at a fair price. While the Fund 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 market value of the securities and derivatives held by the Fund may fluctuate resulting from factors affecting the individual company or other factors such as changing economic, political or financial market conditions. Moreover, changing economic, political or financial market conditions in one country or geographic region could adversely impact the market value of the securities held by the Fund in a different country or geographic region.

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 RISKCertain 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 derivatives contracts.

PASSIVE INVESTMENT RISKThe Fund is not actively managed and the Advisor does not attempt to take defensive positions in rising markets. Therefore, the Fund may be subject to greater losses in a rising market than a fund that is actively managed.

PORTFOLIO TURNOVER RISKDaily rebalancing of the Fund's holdings pursuant to its daily investment objective may lead to a greater number of portfolio transactions in the Fund than experienced by other mutual funds. Such frequent and active trading may lead to significantly higher transaction costs because of increased broker commissions associated with such transactions.

PREPAYMENT RISKThe Fund’s investments in or exposure to fixed income investments subjects the Fund to prepayment risk. Securities subject to prepayment risk generally offer less potential for gains when interest rates decline, because issuers of the securities may be able to prepay the principal due on the securities, and may offer a greater potential for income loss when interest rates rise.

REPURCHASE AGREEMENT RISKThe 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.

SHORT SALES RISKShort selling a security involves selling a borrowed security with the expectation that the value of the security will decline, so that the security may be purchased at a lower price when returning the borrowed security. The risk for loss on short selling is greater than the original value of the securities sold short because the price of the borrowed security may rise, thereby increasing the price at which the security must be purchased. Government actions also may affect the Fund’s ability to engage in short selling.

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.

TRACKING ERROR RISKThe Advisor may not be able to cause the Fund’s performance to match that of the Fund’s benchmark, either on a daily or aggregate basis. Factors such as Fund expenses, imperfect correlation between the Fund’s investments and those of the underlying index, rounding of share prices, changes to the composition of the underlying index, regulatory policies, and high portfolio turnover rate all contribute to tracking error. Tracking error may cause the Fund’s performance to be less than you expect.

TRADING HALT RISKIf 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 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.
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 Investor 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 tables show the performance of the Investor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index. Class H shares of the Fund were established on August 18, 2014 and, therefore, do not have a full calendar year of performance. The figures in the bar chart and tables assume the reinvestment of dividends and capital gains distributions. 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.guggenheiminvestments.com or by calling Guggenheim Investments Client Services at 800.820.0888.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following bar chart shows the performance of the Investor 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 tables show the performance of the Investor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone 800.820.0888
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.guggenheiminvestments.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 Investor Class shares is based on a calendar year. The year-to-date return for the period from January 1, 2015 through June 30, 2015 is -5.15%.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Highest Quarter Return
 
Lowest Quarter Return
 
Q4 2008
16.36%
 
Q2 2009
-15.51
 %
Performance Table Heading rr_PerformanceTableHeading AVERAGE ANNUAL TOTAL RETURN (for periods ended December 31, 2014)
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.
Investor Class and Class H | Inverse S&P 500 Strategy Fund | S&P 500 Index  
Prospectus: rr_ProspectusTable  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes reflects no deduction for fees, expenses or taxes
Label rr_AverageAnnualReturnLabel S&P 500® Index (reflects no deduction for fees, expenses or taxes)
1 Year rr_AverageAnnualReturnYear01 13.69%
5 Years rr_AverageAnnualReturnYear05 15.45%
10 Years rr_AverageAnnualReturnYear10 7.67%
Investor Class and Class H | Inverse S&P 500 Strategy Fund | Investor Class  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYURX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.90%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.51%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.42% [1]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 145
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 449
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 776
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,702
Annual Return 2005 rr_AnnualReturn2005 (0.65%)
Annual Return 2006 rr_AnnualReturn2006 (6.96%)
Annual Return 2007 rr_AnnualReturn2007 1.24%
Annual Return 2008 rr_AnnualReturn2008 40.94%
Annual Return 2009 rr_AnnualReturn2009 (27.25%)
Annual Return 2010 rr_AnnualReturn2010 (16.83%)
Annual Return 2011 rr_AnnualReturn2011 (8.36%)
Annual Return 2012 rr_AnnualReturn2012 (16.08%)
Annual Return 2013 rr_AnnualReturn2013 (26.35%)
Annual Return 2014 rr_AnnualReturn2014 (14.00%)
Year to Date Return, Label rr_YearToDateReturnLabel year-to-date return
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Jun. 30, 2015
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn (5.15%)
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest Quarter Return
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Dec. 31, 2008
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 16.36%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest Quarter Return
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Jun. 30, 2009
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (15.51%)
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 (14.00%)
5 Years rr_AverageAnnualReturnYear05 (16.53%)
10 Years rr_AverageAnnualReturnYear10 (9.01%)
Investor Class and Class H | Inverse S&P 500 Strategy Fund | Investor Class | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 (14.00%)
5 Years rr_AverageAnnualReturnYear05 (16.53%)
10 Years rr_AverageAnnualReturnYear10 (9.34%)
Investor Class and Class H | Inverse S&P 500 Strategy Fund | Investor Class | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 (7.92%)
5 Years rr_AverageAnnualReturnYear05 (11.37%)
10 Years rr_AverageAnnualReturnYear10 (5.99%)
Investor Class and Class H | Inverse S&P 500 Strategy Fund | Class H  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYUHX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.90%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.45%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.61% [1]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 164
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 508
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 876
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,911
Investor Class and Class H | NASDAQ-100 Fund  
Prospectus: rr_ProspectusTable  
Risk/Return [Heading] rr_RiskReturnHeading NASDAQ-100® FUND
Objective [Heading] rr_ObjectiveHeading INVESTMENT OBJECTIVE
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock
The NASDAQ-100® Fund (the “Fund”) seeks to provide investment results that correspond, before fees and expenses, to a benchmark for over-the-counter securities on a daily basis. The Fund’s current benchmark is the NASDAQ-100 Index® (the “underlying index”).
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 Investor Class shares or Class H shares of the Fund.
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 267% 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 267.00%
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.
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption 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:
Strategy [Heading] rr_StrategyHeading PRINCIPAL INVESTMENT STRATEGIES
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock
The Fund employs as its investment strategy a program of investing in the common stock of companies that are generally within the capitalization range of the underlying index and derivative instruments, which primarily consist of equity index swaps, futures contracts, and options on securities, futures contracts, and stock indices. While the Fund may write (sell) and purchase swaps, it expects primarily to purchase swaps. Equity index swaps and futures and options contracts enable the Fund to pursue its objective without investing directly in the securities included in the underlying index or in the same proportion that those securities are represented in the underlying index. Certain of the Fund’s derivatives investments may be traded in the over-the-counter (“OTC”) market, which generally provides for less transparency than exchange-traded derivative instruments. The Fund also may invest in American Depositary Receipts (“ADRs”) to gain exposure to international companies included in the underlying index. Under normal circumstances, the Fund will invest at least 80% of its net assets, plus any borrowings for investment purposes, in securities of companies in the underlying index and derivatives and other instruments whose performance is expected to correspond to that of the underlying index.
Investments in derivative instruments, such as futures, options and swap agreements, have the economic effect of creating financial leverage in the Fund’s portfolio because such investments may give rise to losses that exceed the amount the Fund has invested in those instruments. Financial leverage will magnify, sometimes significantly, the Fund’s exposure to any increase or decrease in prices associated with a particular reference asset resulting in increased volatility in the value of the Fund’s portfolio. The value of the Fund’s portfolio is likely to experience greater volatility over short-term periods. While such financial leverage has the potential to produce greater gains, it also may result in greater losses, which in some cases may cause the Fund to liquidate other portfolio investments at a loss to comply with limits on leverage and asset segregation requirements imposed by the Investment Company Act of 1940 or to meet redemption requests.

The NASDAQ-100 Index® is a modified capitalization-weighted index composed of 100 of the largest non-financial companies listed on The Nasdaq Stock Market with capitalizations ranging from $8.4 billion to $722.7 billion as of June 30, 2015. To the extent the Fund’s underlying index is concentrated in a particular industry the Fund will necessarily be concentrated in that industry. Currently, the NASDAQ-100 Index® is concentrated in technology companies. On a day-to-day basis, the Fund may hold U.S. government securities or cash equivalents. 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 certain circumstances the Fund may invest a substantial portion of its assets in other short-term fixed-income investment companies advised by the Advisor, or an affiliate of the Advisor, for liquidity management purposes, including in order to increase yield on liquid investments used to collateralize derivatives positions. Investments in these investment companies will significantly increase the portfolio’s exposure to certain other asset categories, including: (i) a broad range of high yield, high risk debt securities rated below the top four long-term rating categories by a nationally recognized statistical rating organization or, if unrated, determined by the Advisor, to be of comparable quality (also known as “junk bonds”); (ii) securities issued by the U.S. government or its agencies and instrumentalities; (iii) collateralized loan obligations (“CLOs”), other asset-backed securities (including mortgage-backed securities) and similarly structured debt investments; and (iv) other short-term fixed income securities. Such investments will expose the Fund to the risks of these asset categories and increases or decreases in the value of these investments may cause the Fund to deviate from its investment objective.
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 the principal risks described below.

ACTIVE TRADING RISK—The Fund may be used as a tool for certain investors that employ trading strategies involving frequent trading. Such trading strategies may lead to increased portfolio turnover in the Fund, higher transaction costs, and the possibility of increased short-term capital gains (which will be taxable to shareholders as ordinary income when distributed to them) and/or long-term capital gains. Large movements of assets into and out of the Fund due to active or frequent trading also may adversely affect the Fund's ability to achieve its investment objective.
 
ASSET-BACKED AND MORTGAGE-BACKED SECURITIES RISKThrough its investments in other investment companies, the Fund may have exposure to asset-backed securities, including mortgage-backed securities and structured finance investments. Investors in these securities generally receive payments that are part interest and part return of principal. These payments may vary based on the rate at which the underlying borrowers pay off their loans. Some asset-backed securities, including mortgage-backed securities, may have structures that make their reaction to interest rates and other factors difficult to predict, making their prices very volatile and they are subject to liquidity risk.

CLO RISKThrough its investments in other investment companies, the Fund may have exposure to CLOs. A CLO is a trust typically collateralized by a pool of loans, which may include, among others, domestic and foreign senior secured loans, senior unsecured loans, and subordinate corporate loans, including loans that may be rated below investment grade or equivalent unrated loans. The cash flows from the trust are split into two or more portions, called tranches, varying in risk and yield. CLO tranches can experience substantial losses due to actual defaults, increased sensitivity to defaults due to collateral default and disappearance of protecting tranches, market anticipation of defaults, as well as aversion to CLO securities as a class. The risks of an investment in a CLO depend largely on the type of the collateral securities and the class of the CLO in which the Fund invests.

COUNTERPARTY CREDIT RISKThe 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, the Fund is exposed to the risk that the counterparty may be unwilling or unable to make timely payments to meet its contractual obligations or may fail to return holdings that are subject to the agreement with the counterparty. If the counterparty becomes bankrupt or defaults on its payment obligations to the Fund, the Fund may not receive the full amount that it is entitled to receive. If this occurs, the value of your shares in the Fund will decrease.

CREDIT RISKThe Fund could lose money if the issuer or guarantor of a debt instrument in which it invests or a counterparty to a derivatives transaction or other transaction becomes unwilling or unable to make timely principal and/or interest payments, or to otherwise meet its obligations. The issuer of a debt instrument, such as a bond, could also suffer a decrease in quality rating, which may affect the volatility of the price and liquidity of the bond.

DEPOSITARY RECEIPT RISKThe Fund may hold the securities of non-U.S. companies in the form of ADRs. The underlying securities of the ADRs in the Fund’s portfolio are subject to fluctuations in foreign currency exchange rates that may affect the value of the Fund’s portfolio. In addition, the value of the securities underlying the ADRs may change materially when the U.S. markets are not open for trading. Investments in the underlying foreign securities also involve political and economic risks distinct from those associated with investing in the securities of U.S. issuers.

DERIVATIVES RISKThe Fund’s investments in derivatives may pose risks in addition to and greater than those associated with investing directly in securities or other investments, including risks relating to leverage, imperfect correlations with underlying investments or the Fund’s other portfolio holdings, high price volatility, lack of availability, counterparty credit, liquidity, valuation and legal restrictions. Their use is a highly specialized activity that involves investment techniques and risks different from those associated with ordinary portfolio securities transactions. If the Advisor is incorrect about its expectations of market conditions, the use of derivatives could also result in a loss, which in some cases may be unlimited. Certain risks are specific to the derivatives in which the Fund invests.

SWAP AGREEMENTS RISKSwap agreements are contracts among the Fund and a counterparty to exchange the return of the pre-determined underlying investment (such as the rate of return of the underlying index). Swap agreements may be negotiated bilaterally and traded OTC between two parties or, in some instances, must be transacted through a futures commission merchant and cleared through a clearinghouse that serves as a central counterparty. Risks associated with the use of swap agreements are different from those associated with ordinary portfolio securities transactions, due in part to the fact they could be considered illiquid and many swaps trade on the OTC market. Swaps are particularly subject to counterparty credit, correlation, valuation, liquidity and leveraging risks. Certain standardized swaps are subject to mandatory central clearing. Central clearing is expected to reduce counterparty credit risk and increase liquidity, but central clearing does not make swap transactions risk-free.

FUTURES CONTRACTS RISKFutures contracts are typically exchange-traded contracts that call for the future delivery of an asset at a certain price and date, or cash settlement of the terms of the contract. Risks of futures contracts may be caused by an imperfect correlation between movements in the price of the instruments and the price of the underlying securities. In addition, there is the risk that the Fund may not be able to enter into a closing transaction because of an illiquid market. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Futures markets are highly volatile and the use of futures may increase the volatility of the Fund’s NAV. Futures are also subject to leverage risks and to liquidity risk.

OPTIONS RISKOptions or options on futures contracts give the holder of the option the right to buy (or to sell) a position in a security or in a contract to the writer of the option, at a certain price. They are subject to correlation risk because there may be an imperfect correlation between the options and the securities markets that cause a given transaction to fail to achieve its objectives. The successful use of options depends on the Advisor’s ability to correctly predict future price fluctuations and the degree of correlation between the options and securities markets. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Options are also particularly subject to leverage risk and can be subject to liquidity risk.

EARLY CLOSING RISKThe 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.

EQUITY RISKThe Fund is subject to the risk that the value of the equity securities or equity-based derivatives in the Fund’s portfolio will decline due to volatility in the equity market caused by general market and economic conditions, perceptions regarding particular industries represented in the equity market, or factors relating to specific companies to which the Fund has investment exposure.

FOREIGN ISSUER EXPOSURE RISKThe Fund may invest in securities of foreign companies directly, or in financial instruments that are indirectly linked to the performance of foreign issuers, such as ADRs. The Fund’s exposure to foreign issuers and investments in foreign securities, if any, are subject to additional risks in comparison to U.S. securities and U.S. issuers, including currency fluctuations, adverse political and economic developments, unreliable or untimely information, less liquidity, limited legal recourse and higher transactional costs.

HIGH YIELD AND UNRATED SECURITIES RISKThe Fund’s exposure to higher yielding, below investment grade and unrated high risk debt securities (commonly known as “junk bonds”) may present additional risk because these securities may be less liquid and present greater credit risk than investment grade bonds. The price of high yield securities tends to be subject to greater volatility due to issuer-specific operating results and outlook and to real or perceived adverse economic and competitive industry conditions. This exposure may be obtained through investments in other investment companies.

INDUSTRY AND TECHNOLOGY SECTOR CONCENTRATION RISKThe risk of concentrating Fund investments in a limited number of issuers conducting business in the same industry or group of industries is that the Fund will be more susceptible to the risks associated with that industry or group of industries than a fund that does not concentrate its investments. To the extent that the Fund’s investments are concentrated in issuers conducting business in the technology sector, the Fund is subject to the risk that the securities of such issuers will underperform the market as a whole due to legislative or regulatory changes, adverse market conditions and/or increased competition affecting that economic sector. The prices of the securities of technology companies also may fluctuate widely in response to such events.

INTEREST RATE RISKThe market value of fixed income investments and related financial instruments will change in response to interest rate changes. During periods of falling interest rates, the values of fixed income securities generally rise. Conversely, during periods of rising interest rates, the values of such securities generally decline. Accordingly, the potential for the value of a floating rate security to increase/decrease in response to interest rate declines/increases is limited. Fixed income securities with longer durations are subject to greater volatility than those with shorter durations. Thus, if interest rates rise sharply, the value of the Fund’s fixed income investments and share price could decline. The Fund may be subject to a greater risk of rising interest rates due to the current period of historically low rates and the effect of potential government fiscal policy initiatives and resulting market reaction to those initiatives.

INVESTMENT IN INVESTMENT VEHICLES RISKInvesting in other investment vehicles, including, exchange-traded funds, closed-end funds, affiliated short-term fixed-income funds and other mutual funds, subjects the Fund to those risks affecting the investment vehicle, including the possibility that the value of the underlying securities held by the investment vehicle could decrease. Moreover, the Fund will incur its pro rata share of the expenses of the underlying investment vehicles’ expenses. Consequently, an investment in the Fund entails more direct and indirect expenses than a direct investment in the underlying investment vehicles.

INVESTMENTS IN LOANS RISKInvestments in loans involve special types of risks, including credit risk, interest rate risk, counterparty risk and prepayment risk. Loans may offer a fixed or floating interest rate. Loans are often generally below investment grade and may be unrated. Loans may be difficult to value and some can be subject to liquidity risk.

LARGE-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that large-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

LIQUIDITY RISK—In certain circumstances, it may be difficult for the Fund to purchase and sell a particular security or derivative instrument within a reasonable time at a fair price. While the Fund 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 market value of the securities and derivatives held by the Fund may fluctuate resulting from factors affecting the individual company or other factors such as changing economic, political or financial market conditions. Moreover, changing economic, political or financial market conditions in one country or geographic region could adversely impact the market value of the securities held by the Fund in a different country or geographic region.

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 RISKCertain 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 derivatives contracts.

PASSIVE INVESTMENT RISKThe Fund is not actively managed and the Advisor 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 is actively managed.

PORTFOLIO TURNOVER RISKDaily rebalancing of the Fund's holdings pursuant to its daily investment objective may lead to a greater number of portfolio transactions in the Fund than experienced by other mutual funds. Such frequent and active trading may lead to significantly higher transaction costs because of increased broker commissions associated with such transactions.

PREPAYMENT RISKThe Fund’s investments in or exposure to fixed income investments subjects the Fund to prepayment risk. Securities subject to prepayment risk generally offer less potential for gains when interest rates decline, because issuers of the securities may be able to prepay the principal due on the securities, and may offer a greater potential for income loss when interest rates rise.

REPURCHASE AGREEMENT RISKThe 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.

TRACKING ERROR RISKThe Advisor may not be able to cause the Fund’s performance to correspond to that of the Fund’s benchmark, either on a daily or aggregate basis. Factors such as Fund expenses, imperfect correlation between the Fund’s investments and those of the underlying index, rounding of share prices, changes to the composition of the underlying index, regulatory policies, and high portfolio turnover rate all contribute to tracking error. Tracking error may cause the Fund’s performance to be less than you expect.

TRADING HALT RISKIf 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 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.
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 Investor 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 tables show the performance of the Investor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index. Class H shares of the Fund were established on August 18, 2014 and, therefore, do not have a full calendar year of performance. The figures in the bar chart and tables assume the reinvestment of dividends and capital gains distributions. 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.guggenheiminvestments.com or by calling Guggenheim Investments Client Services at 800.820.0888.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following bar chart shows the performance of the Investor 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 tables show the performance of the Investor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone 800.820.0888
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.guggenheiminvestments.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 Investor Class shares is based on a calendar year. The year-to-date return for the period from January 1, 2015 through June 30, 2015 is 3.91%.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Highest Quarter Return
 
Lowest Quarter Return
 
Q1 2012
20.92%
 
Q4 2008
-24.20
 %
Performance Table Heading rr_PerformanceTableHeading AVERAGE ANNUAL TOTAL RETURN (for periods ended December 31, 2014)
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. Your actual after-tax returns will depend on your specific tax situation and may differ from those shown below.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred 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.

Investor Class and Class H | NASDAQ-100 Fund | NASDAQ 100 Index  
Prospectus: rr_ProspectusTable  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes reflects no deduction for fees, expenses or taxes
Label rr_AverageAnnualReturnLabel NASDAQ-100 Index® (reflects no deduction for fees, expenses or taxes)
1 Year rr_AverageAnnualReturnYear01 19.40%
5 Years rr_AverageAnnualReturnYear05 19.23%
10 Years rr_AverageAnnualReturnYear10 10.99%
Investor Class and Class H | NASDAQ-100 Fund | Investor Class  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYOCX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.75%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.51%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.26%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 128
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 400
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 692
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,523
Annual Return 2005 rr_AnnualReturn2005 1.33%
Annual Return 2006 rr_AnnualReturn2006 6.27%
Annual Return 2007 rr_AnnualReturn2007 18.05%
Annual Return 2008 rr_AnnualReturn2008 (41.88%)
Annual Return 2009 rr_AnnualReturn2009 52.24%
Annual Return 2010 rr_AnnualReturn2010 18.51%
Annual Return 2011 rr_AnnualReturn2011 2.42%
Annual Return 2012 rr_AnnualReturn2012 17.14%
Annual Return 2013 rr_AnnualReturn2013 35.06%
Annual Return 2014 rr_AnnualReturn2014 17.84%
Year to Date Return, Label rr_YearToDateReturnLabel year-to-date return
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Jun. 30, 2015
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn 3.91%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest Quarter Return
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Mar. 31, 2012
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 20.92%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest Quarter Return
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Dec. 31, 2008
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (24.20%)
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 17.84%
5 Years rr_AverageAnnualReturnYear05 17.74%
10 Years rr_AverageAnnualReturnYear10 9.79%
Investor Class and Class H | NASDAQ-100 Fund | Investor Class | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 17.07%
5 Years rr_AverageAnnualReturnYear05 17.08%
10 Years rr_AverageAnnualReturnYear10 9.47%
Investor Class and Class H | NASDAQ-100 Fund | Investor Class | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 10.10%
5 Years rr_AverageAnnualReturnYear05 14.28%
10 Years rr_AverageAnnualReturnYear10 8.01%
Investor Class and Class H | NASDAQ-100 Fund | Class H  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYHOX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.75%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.47%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.47%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 150
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 465
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 803
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,757
Investor Class and Class H | Inverse NASDAQ-100 Strategy Fund  
Prospectus: rr_ProspectusTable  
Risk/Return [Heading] rr_RiskReturnHeading INVERSE NASDAQ-100® STRATEGY FUND
Supplement [Text Block] cik0000899148_SupplementTextBlock
IMPORTANT INFORMATION ABOUT THE FUND
The Inverse NASDAQ-100® Strategy Fund (the “Fund”) is very different from most other mutual funds in that it seeks to provide investment results that match the inverse of the performance of a specific underlying index on a daily basis, a result opposite of most mutual funds. As a result, the Fund may be riskier than alternatives that do not rely on the use of derivatives to achieve their investment objectives.
Because the Fund seeks daily inverse investment results, the return of the Fund for a period of longer than a single trading day will be the result of each day’s compounded returns over the period, which will very likely differ from the inverse return of the Fund’s underlying index (as defined below) for that period. As a consequence, especially in periods of market volatility, the path or trend of the benchmark during the longer period may be at least as important to the Fund’s return for the longer period as the cumulative return of the benchmark for the relevant longer period. Further, the return for investors who invest for a period longer than a single trading day will not be the product of the return of the Fund’s stated investment goal (e.g., -1x) and the cumulative performance of the benchmark.
The Fund is not suitable for all investors. The Fund should be utilized only by investors who (a) understand the consequences of seeking daily inverse investment results, (b) understand the risk of shorting and (c) intend to actively monitor and manage their investments. Investors who do not meet these criteria should not buy shares of the Fund. An investment in the Fund is not a complete investment program.
Objective [Heading] rr_ObjectiveHeading INVESTMENT OBJECTIVE
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock
The Fund seeks to provide investment results that match, before fees and expenses, the performance of a specific benchmark on a daily basis. The Fund’s current benchmark is the inverse (opposite) of the performance of the NASDAQ-100 Index® (the “underlying index”). The Fund does not seek to achieve its investment objective over a period of time greater than one day.
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 Investor Class shares or Class H shares of the Fund.
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 149% 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 149.00%
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.
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption 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:
Strategy [Heading] rr_StrategyHeading PRINCIPAL INVESTMENT STRATEGIES
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock
Unlike a traditional index fund, the Fund’s investment objective is to perform exactly opposite the underlying index, and the Fund generally will not own the securities included in the underlying index. Instead, the Fund employs as its investment strategy a program of engaging in short sales of securities included in the underlying index and investing to a significant extent in derivative instruments, which primarily consist of equity index swaps, futures contracts, and options on securities, futures contracts, and stock indices. While the Fund may write (sell) and purchase swaps, it expects primarily to write swaps. The Fund’s investment in derivatives serves as a substitute for directly selling short each of the securities included in the underlying index and produces inverse exposure to the underlying index. Certain of the Fund’s derivatives investments may be traded in the over-the-counter (“OTC”) market, which generally provides for less transparency than exchange-traded derivative instruments. The Fund also may invest in American Depositary Receipts (“ADRs”) to gain inverse exposure to international companies included in the underlying index. Under normal circumstances, the Fund will invest at least 80% of its net assets, plus any borrowings for investment purposes, in financial instruments with economic characteristics that should perform opposite to the securities of companies included in the underlying index.
Investments in derivative instruments, such as futures, options and swap agreements, have the economic effect of creating financial leverage in the Fund’s portfolio because such investments may give rise to losses that exceed the amount the Fund has invested in those instruments. Financial leverage will magnify, sometimes significantly, the Fund’s exposure to any increase or decrease in prices associated with a particular reference asset resulting in increased volatility in the value of the Fund’s portfolio. The value of the Fund’s portfolio is likely to experience greater volatility over short-term periods. While such financial leverage has the potential to produce greater gains, it also may result in greater losses, which in some cases may cause the Fund to liquidate other portfolio investments at a loss to comply with limits on leverage and asset segregation requirements imposed by the Investment Company Act of 1940 or to meet redemption requests.

The NASDAQ-100 Index® is a modified capitalization-weighted index composed of 100 of the largest non-financial companies listed on The Nasdaq Stock Market with capitalizations ranging from $8.4 billion to $722.7 billion as of June 30, 2015. To the extent the Fund’s underlying index is concentrated in a particular industry the Fund will necessarily be concentrated in that industry. Currently, the NASDAQ-100 Index® is concentrated in technology companies. On a day-to-day basis, the Fund may hold U.S. government securities or cash equivalents. 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 certain circumstances the Fund may invest a substantial portion of its assets in other short-term fixed-income investment companies advised by the Advisor, or an affiliate of the Advisor, for liquidity management purposes, including in order to increase yield on liquid investments used to collateralize derivatives positions. Investments in these investment companies will significantly increase the portfolio’s exposure to certain other asset categories, including: (i) a broad range of high yield, high risk debt securities rated below the top four long-term rating categories by a nationally recognized statistical rating organization or, if unrated, determined by the Advisor, to be of comparable quality (also known as “junk bonds”); (ii) securities issued by the U.S. government or its agencies and instrumentalities; (iii) collateralized loan obligations (“CLOs”), other asset-backed securities (including mortgage-backed securities) and similarly structured debt investments; and (iv) other short-term fixed income securities. Such investments will expose the Fund to the risks of these asset categories and increases or decreases in the value of these investments may cause the Fund to deviate from its investment objective.
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 the principal risks described below.

ACTIVE TRADING RISK—The Fund may be used as a tool for certain investors that employ trading strategies involving frequent trading. Such trading strategies may lead to increased portfolio turnover in the Fund, higher transaction costs, and the possibility of increased short-term capital gains (which will be taxable to shareholders as ordinary income when distributed to them) and/or long-term capital gains. Large movements of assets into and out of the Fund due to active or frequent trading also may adversely affect the Fund's ability to achieve its investment objective.
 
ASSET-BACKED AND MORTGAGE-BACKED SECURITIES RISKThrough its investments in other investment companies, the Fund may have exposure to asset-backed securities, including mortgage-backed securities and structured finance investments. Investors in these securities generally receive payments that are part interest and part return of principal. These payments may vary based on the rate at which the underlying borrowers pay off their loans. Some asset-backed securities, including mortgage-backed securities, may have structures that make their reaction to interest rates and other factors difficult to predict, making their prices very volatile and they are subject to liquidity risk.

CLO RISKThrough its investments in other investment companies, the Fund may have exposure to CLOs. A CLO is a trust typically collateralized by a pool of loans, which may include, among others, domestic and foreign senior secured loans, senior unsecured loans, and subordinate corporate loans, including loans that may be rated below investment grade or equivalent unrated loans. The cash flows from the trust are split into two or more portions, called tranches, varying in risk and yield. CLO tranches can experience substantial losses due to actual defaults, increased sensitivity to defaults due to collateral default and disappearance of protecting tranches, market anticipation of defaults, as well as aversion to CLO securities as a class. The risks of an investment in a CLO depend largely on the type of the collateral securities and the class of the CLO in which the Fund invests.

CORRELATION AND COMPOUNDING RISKA number of factors may affect the Fund’s ability to achieve a high degree of correlation with its benchmark, and there can be no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective. The risk of the Fund not achieving its daily investment objective will be more acute when the underlying index has an extreme one-day movement approaching 50%. In addition, as a result of compounding, because the Fund has a single day investment objective, the Fund’s performance for periods greater than one day is likely to be either greater than or less than the inverse of the performance of the underlying index, before accounting for fees and Fund expenses.

Compounding affects all investments, but has a more significant impact on a leveraged fund. In general, particularly during periods of higher index volatility, compounding will cause longer term results to be more or less than the inverse of the return of the underlying index. This effect becomes more pronounced as volatility increases.

Fund performance for periods greater than one day can be estimated given any set of assumptions for the following factors: (a) underlying index performance; (b) underlying index volatility; (c) financing rates associated with leverage; (d) other Fund expenses; (e) dividends paid by companies in the underlying index; and (f) period of time. The table below illustrates the impact of two principal factors – volatility and index performance – on Fund performance. The table shows estimated Fund returns for a number of combinations of performance and volatility over a one-year period. Performance shown in the table assumes: (a) no dividends paid by the companies included in the underlying index; (b) no Fund expenses; and (c) a cost of leverage of zero percent. If Fund expenses, including the cost of leverage, were included, the Fund’s performance would be lower than shown.

Areas shaded lighter represent those scenarios where the Fund can be expected to return more than the inverse performance of the underlying index; conversely, areas shaded darker represent those scenarios where the Fund can be expected to return the same or less than the inverse performance of the underlying index.
Index Performance
Annualized Volatility
1x
-1x
10%
25%
50%
75%
100%
-60%
60%
148%
132%
96%
42%
-6%
-50%
50%
98%
87%
57%
14%
-28%
-40%
40%
65%
56%
30%
-5%
-38%
-30%
30%
42%
34%
13%
-18%
-47%
-20%
20%
24%
18%
-3%
-28%
-54%
-10%
10%
10%
4%
-13%
-36%
-59%
0%
0%
-1%
-6%
-22%
-43%
-64%
10%
-10%
-10%
-15%
-29%
-48%
-67%
20%
-20%
-17%
-22%
-35%
-53%
-69%
30%
-30%
-24%
-28%
-40%
-56%
-71%
40%
-40%
-29%
-33%
-44%
-60%
-73%
50%
-50%
-34%
-37%
-48%
-62%
-76%
60%
-60%
-38%
-41%
-51%
-65%
-78%

The underlying index’s annualized historical volatility rate for the five year period ended June 30, 2015 is 13.85%. The underlying index’s highest one-year volatility rate during the five year period is 19.49%. The underlying index’s annualized performance for the five year period ended June 30, 2015 is 21.81%.

Historical underlying index volatility and performance are not indications of what the underlying index volatility and performance will be in the future. The table is intended to underscore that the Fund is designed as a short-term trading vehicle for investors who intend to actively monitor and manage their portfolios.

COUNTERPARTY CREDIT RISKThe 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, the Fund is exposed to the risk that the counterparty may be unwilling or unable to make timely payments to meet its contractual obligations or may fail to return holdings that are subject to the agreement with the counterparty. If the counterparty becomes bankrupt or defaults on its payment obligations to the Fund, the Fund may not receive the full amount that it is entitled to receive. If this occurs, the value of your shares in the Fund will decrease.

CREDIT RISKThe Fund could lose money if the issuer or guarantor of a debt instrument in which it invests or a counterparty to a derivatives transaction or other transaction becomes unwilling or unable to make timely principal and/or interest payments, or to otherwise meet its obligations. The issuer of a debt instrument, such as a bond, could also suffer a decrease in quality rating, which may affect the volatility of the price and liquidity of the bond.

DEPOSITARY RECEIPT RISKThe Fund may hold the securities of non-U.S. companies in the form of ADRs. The underlying securities of the ADRs in the Fund’s portfolio are subject to fluctuations in foreign currency exchange rates that may affect the value of the Fund’s portfolio. In addition, the value of the securities underlying the ADRs may change materially when the U.S. markets are not open for trading. Investments in the underlying foreign securities also involve political and economic risks distinct from those associated with investing in the securities of U.S. issuers.

DERIVATIVES RISKThe Fund’s investments in derivatives may pose risks in addition to and greater than those associated with investing directly in securities or other investments, including risks relating to leverage, imperfect correlations with underlying investments or the Fund’s other portfolio holdings, high price volatility, lack of availability, counterparty credit, liquidity, valuation and legal restrictions. Their use is a highly specialized activity that involves investment techniques and risks different from those associated with ordinary portfolio securities transactions. If the Advisor is incorrect about its expectations of market conditions, the use of derivatives could also result in a loss, which in some cases may be unlimited. Certain risks are specific to the derivatives in which the Fund invests.

SWAP AGREEMENTS RISKSwap agreements are contracts among the Fund and a counterparty to exchange the return of the pre-determined underlying investment (such as the rate of return of the underlying index). Swap agreements may be negotiated bilaterally and traded OTC between two parties or, in some instances, must be transacted through a futures commission merchant and cleared through a clearinghouse that serves as a central counterparty. Risks associated with the use of swap agreements are different from those associated with ordinary portfolio securities transactions, due in part to the fact they could be considered illiquid and many swaps trade on the OTC market. Swaps are particularly subject to counterparty credit, correlation, valuation, liquidity and leveraging risks. Certain standardized swaps are subject to mandatory central clearing. Central clearing is expected to reduce counterparty credit risk and increase liquidity, but central clearing does not make swap transactions risk-free.

FUTURES CONTRACTS RISKFutures contracts are typically exchange-traded contracts that call for the future delivery of an asset at a certain price and date, or cash settlement of the terms of the contract. Risks of futures contracts may be caused by an imperfect correlation between movements in the price of the instruments and the price of the underlying securities. In addition, there is the risk that the Fund may not be able to enter into a closing transaction because of an illiquid market. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Futures markets are highly volatile and the use of futures may increase the volatility of the Fund’s NAV. Futures are also subject to leverage risks and to liquidity risk.

OPTIONS RISKOptions or options on futures contracts give the holder of the option the right to buy (or to sell) a position in a security or in a contract to the writer of the option, at a certain price. They are subject to correlation risk because there may be an imperfect correlation between the options and the securities markets that cause a given transaction to fail to achieve its objectives. The successful use of options depends on the Advisor’s ability to correctly predict future price fluctuations and the degree of correlation between the options and securities markets. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Options are also particularly subject to leverage risk and can be subject to liquidity risk.

EARLY CLOSING RISKThe 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.

EQUITY RISKThe Fund is subject to the risk that the value of the equity securities or equity-based derivatives in the Fund’s portfolio will decline due to volatility in the equity market caused by general market and economic conditions, perceptions regarding particular industries represented in the equity market, or factors relating to specific companies to which the Fund has investment exposure.

FOREIGN ISSUER EXPOSURE RISKThe Fund may invest in securities of foreign companies directly, or in financial instruments that are indirectly linked to the performance of foreign issuers, such as ADRs. The Fund’s exposure to foreign issuers and investments in foreign securities, if any, are subject to additional risks in comparison to U.S. securities and U.S. issuers, including currency fluctuations, adverse political and economic developments, unreliable or untimely information, less liquidity, limited legal recourse and higher transactional costs.

HIGH YIELD AND UNRATED SECURITIES RISKThe Fund’s exposure to higher yielding, below investment grade and unrated high risk debt securities (commonly known as “junk bonds”) may present additional risk because these securities may be less liquid and present greater credit risk than investment grade bonds. The price of high yield securities tends to be subject to greater volatility due to issuer-specific operating results and outlook and to real or perceived adverse economic and competitive industry conditions. This exposure may be obtained through investments in other investment companies.

INDUSTRY AND TECHNOLOGY SECTOR CONCENTRATION RISKThe risk of concentrating Fund investments in a limited number of issuers conducting business in the same industry or group of industries is that the Fund will be more susceptible to the risks associated with that industry or group of industries than a fund that does not concentrate its investments. To the extent that the Fund’s investments are concentrated in issuers conducting business in the technology sector, the Fund is subject to the risk that the securities of such issuers will underperform the market as a whole due to legislative or regulatory changes, adverse market conditions and/or increased competition affecting that economic sector. The prices of the securities of technology companies also may fluctuate widely in response to such events.

INTEREST RATE RISKThe market value of fixed income investments and related financial instruments will change in response to interest rate changes. During periods of falling interest rates, the values of fixed income securities generally rise. Conversely, during periods of rising interest rates, the values of such securities generally decline. Accordingly, the potential for the value of a floating rate security to increase/decrease in response to interest rate declines/increases is limited. Fixed income securities with longer durations are subject to greater volatility than those with shorter durations. Thus, if interest rates rise sharply, the value of the Fund’s fixed income investments and share price could decline. The Fund may be subject to a greater risk of rising interest rates due to the current period of historically low rates and the effect of potential government fiscal policy initiatives and resulting market reaction to those initiatives.

INVESTMENT IN INVESTMENT VEHICLES RISKInvesting in other investment vehicles, including, exchange-traded funds, closed-end funds, affiliated short-term fixed-income funds and other mutual funds, subjects the Fund to those risks affecting the investment vehicle, including the possibility that the value of the underlying securities held by the investment vehicle could decrease. Moreover, the Fund will incur its pro rata share of the expenses of the underlying investment vehicles’ expenses. Consequently, an investment in the Fund entails more direct and indirect expenses than a direct investment in the underlying investment vehicles.

INVESTMENTS IN LOANS RISKInvestments in loans involve special types of risks, including credit risk, interest rate risk, counterparty risk and prepayment risk. Loans may offer a fixed or floating interest rate. Loans are often generally below investment grade and may be unrated. Loans may be difficult to value and some can be subject to liquidity risk.

LARGE-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that large-capitalization stocks may outperform other segments of the equity market or the equity market as a whole.

LIQUIDITY RISK—In certain circumstances, it may be difficult for the Fund to purchase and sell a particular security or derivative instrument within a reasonable time at a fair price. While the Fund 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 market value of the securities and derivatives held by the Fund may fluctuate resulting from factors affecting the individual company or other factors such as changing economic, political or financial market conditions. Moreover, changing economic, political or financial market conditions in one country or geographic region could adversely impact the market value of the securities held by the Fund in a different country or geographic region.

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 RISKCertain 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 derivatives contracts.

PASSIVE INVESTMENT RISKThe Fund is not actively managed and the Advisor does not attempt to take defensive positions in rising markets. Therefore, the Fund may be subject to greater losses in a rising market than a fund that is actively managed.

PORTFOLIO TURNOVER RISKDaily rebalancing of the Fund's holdings pursuant to its daily investment objective may lead to a greater number of portfolio transactions in the Fund than experienced by other mutual funds. Such frequent and active trading may lead to significantly higher transaction costs because of increased broker commissions associated with such transactions.

PREPAYMENT RISKThe Fund’s investments in or exposure to fixed income investments subjects the Fund to prepayment risk. Securities subject to prepayment risk generally offer less potential for gains when interest rates decline, because issuers of the securities may be able to prepay the principal due on the securities, and may offer a greater potential for income loss when interest rates rise.

REPURCHASE AGREEMENT RISKThe 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.

SHORT SALES RISKShort selling a security involves selling a borrowed security with the expectation that the value of the security will decline, so that the security may be purchased at a lower price when returning the borrowed security. The risk for loss on short selling is greater than the original value of the securities sold short because the price of the borrowed security may rise, thereby increasing the price at which the security must be purchased. Government actions also may affect the Fund’s ability to engage in short selling.

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.

TRACKING ERROR RISKThe Advisor may not be able to cause the Fund’s performance to match that of the Fund’s benchmark, either on a daily or aggregate basis. Factors such as Fund expenses, imperfect correlation between the Fund’s investments and those of the underlying index, rounding of share prices, changes to the composition of the underlying index, regulatory policies, and high portfolio turnover rate all contribute to tracking error. Tracking error may cause the Fund’s performance to be less than you expect.

TRADING HALT RISKIf 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.

U.S. GOVERNMENT SECURITIES RISK—U.S. government securities may or may not be backed by the full faith and credit of the U.S. government. The value of U.S. government securities will fluctuate and such securities are subject to the risks associated with fixed-income and debt securities, particularly interest rate and credit risk.

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 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.
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 Investor 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 tables show the performance of the Investor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index. Class H shares of the Fund were established on August 18, 2014 and, therefore, do not have a full calendar year of performance. The figures in the bar chart and tables assume the reinvestment of dividends and capital gains distributions. 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.guggenheiminvestments.com or by calling Guggenheim Investments Client Services at 800.820.0888
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following bar chart shows the performance of the Investor 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 tables show the performance of the Investor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone 800.820.0888
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.guggenheiminvestments.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 Investor Class shares is based on a calendar year. The year-to-date return for the period from January 1, 2015 through June 30, 2015 is -5.15%.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Highest Quarter Return
 
Lowest Quarter Return
 
Q4 2008
18.70%
 
Q1 2012
-18.06
 %
Performance Table Heading rr_PerformanceTableHeading AVERAGE ANNUAL TOTAL RETURN (for periods ended December 31, 2014)
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. Your actual after-tax returns will depend on your specific tax situation and may differ from those shown below.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred 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.
Investor Class and Class H | Inverse NASDAQ-100 Strategy Fund | NASDAQ 100 Index  
Prospectus: rr_ProspectusTable  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes reflects no deduction for fees, expenses or taxes
Label rr_AverageAnnualReturnLabel NASDAQ-100 Index® (reflects no deduction for fees, expenses or taxes)
1 Year rr_AverageAnnualReturnYear01 19.40%
5 Years rr_AverageAnnualReturnYear05 19.23%
10 Years rr_AverageAnnualReturnYear10 10.99%
Investor Class and Class H | Inverse NASDAQ-100 Strategy Fund | Investor Class  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYAIX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.90%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.56%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.47% [1]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 150
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 465
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 803
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,757
Annual Return 2005 rr_AnnualReturn2005 1.16%
Annual Return 2006 rr_AnnualReturn2006 (1.10%)
Annual Return 2007 rr_AnnualReturn2007 (11.70%)
Annual Return 2008 rr_AnnualReturn2008 48.53%
Annual Return 2009 rr_AnnualReturn2009 (40.34%)
Annual Return 2010 rr_AnnualReturn2010 (20.66%)
Annual Return 2011 rr_AnnualReturn2011 (9.83%)
Annual Return 2012 rr_AnnualReturn2012 (18.32%)
Annual Return 2013 rr_AnnualReturn2013 (28.53%)
Annual Return 2014 rr_AnnualReturn2014 (18.68%)
Year to Date Return, Label rr_YearToDateReturnLabel year-to-date return
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Jun. 30, 2015
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn (5.15%)
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest Quarter Return
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Dec. 31, 2008
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 18.70%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest Quarter Return
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Mar. 31, 2012
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (18.06%)
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 (18.86%)
5 Years rr_AverageAnnualReturnYear05 (19.43%)
10 Years rr_AverageAnnualReturnYear10 (12.41%)
Investor Class and Class H | Inverse NASDAQ-100 Strategy Fund | Investor Class | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 (18.68%)
5 Years rr_AverageAnnualReturnYear05 (19.43%)
10 Years rr_AverageAnnualReturnYear10 (12.69%)
Investor Class and Class H | Inverse NASDAQ-100 Strategy Fund | Investor Class | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 (10.58%)
5 Years rr_AverageAnnualReturnYear05 (13.06%)
10 Years rr_AverageAnnualReturnYear10 (7.72%)
Investor Class and Class H | Inverse NASDAQ-100 Strategy Fund | Class H  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYALX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.90%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.53%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.69% [1]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 172
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 533
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 918
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,998
Investor Class and Class H | Banking Fund  
Prospectus: rr_ProspectusTable  
Risk/Return [Heading] rr_RiskReturnHeading BANKING FUND
Objective [Heading] rr_ObjectiveHeading INVESTMENT OBJECTIVE
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock
The Banking Fund (the “Fund”) seeks to provide capital appreciation by investing in companies that are involved in the banking sector, including commercial banks (and their holding companies) and savings and loan institutions (“Banking Companies”).
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 Investor Class shares or Class H shares of the Fund.
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 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.
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption 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:
Strategy [Heading] rr_StrategyHeading PRINCIPAL INVESTMENT STRATEGIES
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock
Under normal circumstances, the Fund invests substantially all (at least 80%) of its net assets in equity securities of Banking Companies that are traded in the United States and in derivatives, which primarily consist of futures contracts and options on securities, futures contracts, and stock indices. The Fund may invest to a significant extent in the securities of Banking Companies that have small to mid-sized capitalizations. Banking Companies are engaged in accepting deposits and making commercial and consumer loans and include state chartered banks, savings and loan institutions, and banks that are members of the Federal Reserve System. The Fund also may purchase American Depositary Receipts (“ADRs”) to gain exposure to foreign Banking Companies and U.S. government securities. Under U.S. Securities and Exchange Commission regulations, the Fund may not invest more than 5% of its total assets in the equity securities of any company that derives more than 15% of its revenues from brokerage or investment management activities.
Investments in derivative instruments, such as futures and options, have the economic effect of creating financial leverage in the Fund’s portfolio because such investments may give rise to losses that exceed the amount the Fund has invested in those instruments. Financial leverage will magnify, sometimes significantly, the Fund’s exposure to any increase or decrease in prices associated with a particular reference asset resulting in increased volatility in the value of the Fund’s portfolio. The value of the Fund’s portfolio is likely to experience greater volatility over short-term periods. While such financial leverage has the potential to produce greater gains, it also may result in greater losses, which in some cases may cause the Fund to liquidate other portfolio investments at a loss to comply with limits on leverage and asset segregation requirements imposed by the Investment Company Act of 1940 or to meet redemption requests.

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 invests in the securities of a limited number of issuers conducting business in the banking sector and, therefore, may be concentrated in an industry or group of industries within the banking sector. 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.
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 the principal risks described below.

ACTIVE TRADING RISK—The Fund may be used as a tool for certain investors that employ trading strategies involving frequent trading. Such trading strategies may lead to increased portfolio turnover in the Fund, higher transaction costs, and the possibility of increased short-term capital gains (which will be taxable to shareholders as ordinary income when distributed to them) and/or long-term capital gains. Large movements of assets into and out of the Fund due to active or frequent trading also may adversely affect the Fund's ability to achieve its investment objective.

BANKING SECTOR RISKTo the extent that the Fund’s investments are exposed to issuers conducting business in the banking sector, the Fund is subject to the risk that the securities of such issuers will underperform the market as a whole due to legislative or regulatory changes, adverse market conditions and/or increased competition affecting that economic sector. The prices of the securities of Banking Companies also may fluctuate widely in response to such events.

DEPOSITARY RECEIPT RISKThe Fund may hold the securities of non-U.S. companies in the form of ADRs. The underlying securities of the ADRs in the Fund’s portfolio are subject to fluctuations in foreign currency exchange rates that may affect the value of the Fund’s portfolio. In addition, the value of the securities underlying the ADRs may change materially when the U.S. markets are not open for trading. Investments in the underlying foreign securities also involve political and economic risks distinct from those associated with investing in the securities of U.S. issuers.

DERIVATIVES RISKThe Fund’s investments in derivatives may pose risks in addition to and greater than those associated with investing directly in securities or other investments, including risks relating to leverage, imperfect correlations with underlying investments or the Fund’s other portfolio holdings, high price volatility, lack of availability, counterparty credit, liquidity, valuation and legal restrictions. Their use is a highly specialized activity that involves investment techniques and risks different from those associated with ordinary portfolio securities transactions. If the Advisor is incorrect about its expectations of market conditions, the use of derivatives could also result in a loss, which in some cases may be unlimited. Certain risks are specific to the derivatives in which the Fund invests.

FUTURES CONTRACTS RISKFutures contracts are typically exchange-traded contracts that call for the future delivery of an asset at a certain price and date, or cash settlement of the terms of the contract. Risks of futures contracts may be caused by an imperfect correlation between movements in the price of the instruments and the price of the underlying securities. In addition, there is the risk that the Fund may not be able to enter into a closing transaction because of an illiquid market. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Futures markets are highly volatile and the use of futures may increase the volatility of the Fund’s NAV. Futures are also subject to leverage risks and to liquidity risk.

OPTIONS RISKOptions or options on futures contracts give the holder of the option the right to buy (or to sell) a position in a security or in a contract to the writer of the option, at a certain price. They are subject to correlation risk because there may be an imperfect correlation between the options and the securities markets that cause a given transaction to fail to achieve its objectives. The successful use of options depends on the Advisor’s ability to correctly predict future price fluctuations and the degree of correlation between the options and securities markets. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Options are also particularly subject to leverage risk and can be subject to liquidity risk.

EARLY CLOSING RISKThe 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.

EQUITY RISKThe Fund is subject to the risk that the value of the equity securities or equity-based derivatives in the Fund’s portfolio will decline due to volatility in the equity market caused by general market and economic conditions, perceptions regarding particular industries represented in the equity market, or factors relating to specific companies to which the Fund has investment exposure.

FOREIGN ISSUER EXPOSURE RISKThe Fund may invest in securities of foreign companies directly, or in financial instruments that are indirectly linked to the performance of foreign issuers, such as ADRs. The Fund’s exposure to foreign issuers and investments in foreign securities, if any, are subject to additional risks in comparison to U.S. securities and U.S. issuers, including currency fluctuations, adverse political and economic developments, unreliable or untimely information, less liquidity, limited legal recourse and higher transactional costs.

MARKET RISKThe market value of the securities and derivatives held by the Fund may fluctuate resulting from factors affecting the individual company or other factors such as changing economic, political or financial market conditions. Moreover, changing economic, political or financial market conditions in one country or geographic region could adversely impact the market value of the securities held by the Fund in a different country or geographic region.

MID-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that medium-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

NON-DIVERSIFICATION RISKThe 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.

PORTFOLIO TURNOVER RISKThe Fund’s strategy may frequently involve buying and selling portfolio securities, which may lead to increased costs to the Fund. Portfolio turnover risk may cause the Fund’s performance to be less than you expect.

SMALL-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that small-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

TEMPORARY DEFENSIVE INVESTMENT RISKThe 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 RISKIf 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 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.
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 Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index. Effective upon the close of business on September 30, 2015, the Fund converted its existing Advisor Class shares to Class H shares. For periods prior to September 30, 2015, the performance shown reflects the performance of Advisor Class shares. The returns shown have not been adjusted to reflect any differences in expenses between Advisor Class shares and Class H shares. However, the Fund's Class H shares would have annual returns substantially similar to those of the Fund's former Advisor Class shares because they are invested in the same portfolio of securities and have a similar expense structure to the former Advisor Class shares. The figures in the bar chart and tables assume the reinvestment of dividends and capital gains distributions. 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.guggenheiminvestments.com or by calling Guggenheim Investments Client Services at 800.820.0888.

Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following bar chart shows the performance of the Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone 800.820.0888
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.guggenheiminvestments.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 Investor Class shares is based on a calendar year. The year-to-date return for the period from January 1, 2015 through June 30, 2015 is 4.30%.

Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Highest Quarter Return
 
Lowest Quarter Return
 
Q3 2009
20.06%
 
Q1 2009
-31.94
 %
Performance Table Heading rr_PerformanceTableHeading AVERAGE ANNUAL TOTAL RETURN (for periods ended December 31, 2014)
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. Your actual after-tax returns will depend on your specific tax situation and may differ from those shown below.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred 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.

Investor Class and Class H | Banking Fund | S&P 500 Index  
Prospectus: rr_ProspectusTable  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes reflects no deduction for fees, expenses or taxes
Label rr_AverageAnnualReturnLabel S&P 500® Index (reflects no deduction for fees, expenses or taxes)
1 Year rr_AverageAnnualReturnYear01 13.69%
5 Years rr_AverageAnnualReturnYear05 15.45%
10 Years rr_AverageAnnualReturnYear10 7.67%
Investor Class and Class H | Banking Fund | Investor Class  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYKIX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.85% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.49% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.34% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 136
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 425
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 734
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,613
Annual Return 2005 rr_AnnualReturn2005 (3.35%)
Annual Return 2006 rr_AnnualReturn2006 10.52%
Annual Return 2007 rr_AnnualReturn2007 (27.25%)
Annual Return 2008 rr_AnnualReturn2008 (40.73%)
Annual Return 2009 rr_AnnualReturn2009 (3.60%)
Annual Return 2010 rr_AnnualReturn2010 12.76%
Annual Return 2011 rr_AnnualReturn2011 (20.90%)
Annual Return 2012 rr_AnnualReturn2012 24.86%
Annual Return 2013 rr_AnnualReturn2013 29.45%
Annual Return 2014 rr_AnnualReturn2014 3.52%
Year to Date Return, Label rr_YearToDateReturnLabel year-to-date return
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Jun. 30, 2015
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn 4.30%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest Quarter Return
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Sep. 30, 2009
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 20.06%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest Quarter Return
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Mar. 31, 2009
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (31.94%)
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 3.52%
5 Years rr_AverageAnnualReturnYear05 8.34%
10 Years rr_AverageAnnualReturnYear10 (4.03%)
Investor Class and Class H | Banking Fund | Investor Class | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 3.23%
5 Years rr_AverageAnnualReturnYear05 8.13%
10 Years rr_AverageAnnualReturnYear10 (4.49%)
Investor Class and Class H | Banking Fund | Investor Class | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 1.99%
5 Years rr_AverageAnnualReturnYear05 6.48%
10 Years rr_AverageAnnualReturnYear10 (3.09%)
Investor Class and Class H | Banking Fund | Class H  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYKAX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.85% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25% [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.50% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.60% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 163
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 505
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 871
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,900
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 3.07%
5 Years rr_AverageAnnualReturnYear05 7.80%
10 Years rr_AverageAnnualReturnYear10 (4.53%)
Investor Class and Class H | Banking Fund | Class H | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 2.74%
5 Years rr_AverageAnnualReturnYear05 7.57%
10 Years rr_AverageAnnualReturnYear10 (5.02%)
Investor Class and Class H | Banking Fund | Class H | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 1.73%
5 Years rr_AverageAnnualReturnYear05 6.03%
10 Years rr_AverageAnnualReturnYear10 (3.43%)
Investor Class and Class H | Basic Materials Fund  
Prospectus: rr_ProspectusTable  
Risk/Return [Heading] rr_RiskReturnHeading BASIC MATERIALS FUND
Objective [Heading] rr_ObjectiveHeading INVESTMENT OBJECTIVE
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock
The Basic Materials Fund (the “Fund”) seeks to provide capital appreciation by investing in companies engaged in the mining, manufacture, or sale of basic materials, such as lumber, steel, iron, aluminum, concrete, chemicals and other basic building and manufacturing materials (“Basic Materials Companies”).
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 Investor Class shares or Class H shares of the Fund.
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 358% 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 358.00%
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.
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption 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:
Strategy [Heading] rr_StrategyHeading PRINCIPAL INVESTMENT STRATEGIES
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock
Under normal circumstances, the Fund invests substantially all (at least 80%) of its net assets in equity securities of Basic Materials Companies that are traded in the United States and in derivatives, which primarily consist of futures contracts and options on securities, futures contracts, and stock indices. The Fund may invest to a significant extent in the securities of Basic Materials Companies that have small to mid-sized capitalizations. Basic Materials Companies are engaged in the manufacture, mining, processing, or distribution of raw materials and intermediate goods used in the industrial sector, and may be involved in the production and transportation of metals, textiles, and wood products. The Fund also may purchase American Depositary Receipts (“ADRs”) to gain exposure to foreign Basic Materials Companies and U.S. government securities.
Investments in derivative instruments, such as futures and options, have the economic effect of creating financial leverage in the Fund’s portfolio because such investments may give rise to losses that exceed the amount the Fund has invested in those instruments. Financial leverage will magnify, sometimes significantly, the Fund’s exposure to any increase or decrease in prices associated with a particular reference asset resulting in increased volatility in the value of the Fund’s portfolio. The value of the Fund’s portfolio is likely to experience greater volatility over short-term periods. While such financial leverage has the potential to produce greater gains, it also may result in greater losses, which in some cases may cause the Fund to liquidate other portfolio investments at a loss to comply with limits on leverage and asset segregation requirements imposed by the Investment Company Act of 1940 or to meet redemption requests.

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 invests in the securities of a limited number of issuers conducting business in the basic materials sector and, therefore, may be concentrated in an industry or group of industries within the basic materials sector. 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.
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 the principal risks described below.

ACTIVE TRADING RISK—The Fund may be used as a tool for certain investors that employ trading strategies involving frequent trading. Such trading strategies may lead to increased portfolio turnover in the Fund, higher transaction costs, and the possibility of increased short-term capital gains (which will be taxable to shareholders as ordinary income when distributed to them) and/or long-term capital gains. Large movements of assets into and out of the Fund due to active or frequent trading also may adversely affect the Fund's ability to achieve its investment objective.

BASIC MATERIALS SECTOR RISKTo the extent that the Fund’s investments are exposed to issuers conducting business in the basic materials sector, the Fund is subject to the risk that the securities of such issuers will underperform the market as a whole due to legislative or regulatory changes, adverse market conditions and/or increased competition affecting that economic sector. The prices of the securities of Basic Materials Companies also may fluctuate widely in response to such events.

DEPOSITARY RECEIPT RISKThe Fund may hold the securities of non-U.S. companies in the form of ADRs. The underlying securities of the ADRs in the Fund’s portfolio are subject to fluctuations in foreign currency exchange rates that may affect the value of the Fund’s portfolio. In addition, the value of the securities underlying the ADRs may change materially when the U.S. markets are not open for trading. Investments in the underlying foreign securities also involve political and economic risks distinct from those associated with investing in the securities of U.S. issuers.

DERIVATIVES RISKThe Fund’s investments in derivatives may pose risks in addition to and greater than those associated with investing directly in securities or other investments, including risks relating to leverage, imperfect correlations with underlying investments or the Fund’s other portfolio holdings, high price volatility, lack of availability, counterparty credit, liquidity, valuation and legal restrictions. Their use is a highly specialized activity that involves investment techniques and risks different from those associated with ordinary portfolio securities transactions. If the Advisor is incorrect about its expectations of market conditions, the use of derivatives could also result in a loss, which in some cases may be unlimited. Certain risks are specific to the derivatives in which the Fund invests.

FUTURES CONTRACTS RISKFutures contracts are typically exchange-traded contracts that call for the future delivery of an asset at a certain price and date, or cash settlement of the terms of the contract. Risks of futures contracts may be caused by an imperfect correlation between movements in the price of the instruments and the price of the underlying securities. In addition, there is the risk that the Fund may not be able to enter into a closing transaction because of an illiquid market. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Futures markets are highly volatile and the use of futures may increase the volatility of the Fund’s NAV. Futures are also subject to leverage risks and to liquidity risk.

OPTIONS RISKOptions or options on futures contracts give the holder of the option the right to buy (or to sell) a position in a security or in a contract to the writer of the option, at a certain price. They are subject to correlation risk because there may be an imperfect correlation between the options and the securities markets that cause a given transaction to fail to achieve its objectives. The successful use of options depends on the Advisor’s ability to correctly predict future price fluctuations and the degree of correlation between the options and securities markets. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Options are also particularly subject to leverage risk and can be subject to liquidity risk.

EARLY CLOSING RISKThe 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.

EQUITY RISKThe Fund is subject to the risk that the value of the equity securities or equity-based derivatives in the Fund’s portfolio will decline due to volatility in the equity market caused by general market and economic conditions, perceptions regarding particular industries represented in the equity market, or factors relating to specific companies to which the Fund has investment exposure.

FOREIGN ISSUER EXPOSURE RISKThe Fund may invest in securities of foreign companies directly, or in financial instruments that are indirectly linked to the performance of foreign issuers, such as ADRs. The Fund’s exposure to foreign issuers and investments in foreign securities, if any, are subject to additional risks in comparison to U.S. securities and U.S. issuers, including currency fluctuations, adverse political and economic developments, unreliable or untimely information, less liquidity, limited legal recourse and higher transactional costs.

MARKET RISKThe market value of the securities and derivatives held by the Fund may fluctuate resulting from factors affecting the individual company or other factors such as changing economic, political or financial market conditions. Moreover, changing economic, political or financial market conditions in one country or geographic region could adversely impact the market value of the securities held by the Fund in a different country or geographic region.

MID-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that medium-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

NON-DIVERSIFICATION RISKThe 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.

PORTFOLIO TURNOVER RISKThe Fund’s strategy may frequently involve buying and selling portfolio securities, which may lead to increased costs to the Fund. Portfolio turnover risk may cause the Fund’s performance to be less than you expect.

SMALL-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that small-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

TEMPORARY DEFENSIVE INVESTMENT RISKThe 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 RISKIf 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 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.
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 Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index. Effective upon the close of business on September 30, 2015, the Fund converted its existing Advisor Class shares to Class H shares. For periods prior to September 30, 2015, the performance shown reflects the performance of Advisor Class shares. The returns shown have not been adjusted to reflect any differences in expenses between Advisor Class shares and Class H shares. However, the Fund's Class H shares would have annual returns substantially similar to those of the Fund's former Advisor Class shares because they are invested in the same portfolio of securities and have a similar expense structure to the former Advisor Class shares. The figures in the bar chart and tables assume the reinvestment of dividends and capital gains distributions. 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.guggenheiminvestments.com or by calling Guggenheim Investments Client Services at 800.820.0888.

Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following bar chart shows the performance of the Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone 800.820.0888
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.guggenheiminvestments.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 Investor Class shares is based on a calendar year. The year-to-date return for the period from January 1, 2015 through June 30, 2015 is -1.75%.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Highest Quarter Return
 
Lowest Quarter Return
 
Q3 2009
20.31%
 
Q3 2008
-29.91
 %
Performance Table Heading rr_PerformanceTableHeading AVERAGE ANNUAL TOTAL RETURN (for periods ended December 31, 2014)
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. Your actual after-tax returns will depend on your specific tax situation and may differ from those shown below.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred 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.
Investor Class and Class H | Basic Materials Fund | S&P 500 Index  
Prospectus: rr_ProspectusTable  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes reflects no deduction for fees, expenses or taxes
Label rr_AverageAnnualReturnLabel S&P 500® Index (reflects no deduction for fees, expenses or taxes)
1 Year rr_AverageAnnualReturnYear01 13.69%
5 Years rr_AverageAnnualReturnYear05 15.45%
10 Years rr_AverageAnnualReturnYear10 7.67%
Investor Class and Class H | Basic Materials Fund | Investor Class  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYBIX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.85% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.49% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.34% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 136
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 425
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 734
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,613
Annual Return 2005 rr_AnnualReturn2005 3.73%
Annual Return 2006 rr_AnnualReturn2006 22.06%
Annual Return 2007 rr_AnnualReturn2007 34.76%
Annual Return 2008 rr_AnnualReturn2008 (45.61%)
Annual Return 2009 rr_AnnualReturn2009 56.84%
Annual Return 2010 rr_AnnualReturn2010 27.25%
Annual Return 2011 rr_AnnualReturn2011 (16.23%)
Annual Return 2012 rr_AnnualReturn2012 11.55%
Annual Return 2013 rr_AnnualReturn2013 1.42%
Annual Return 2014 rr_AnnualReturn2014 (1.70%)
Year to Date Return, Label rr_YearToDateReturnLabel year-to-date return
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Jun. 30, 2015
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn (1.75%)
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest Quarter Return
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Sep. 30, 2009
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 20.31%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest Quarter Return
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Sep. 30, 2008
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (29.91%)
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 (1.70%)
5 Years rr_AverageAnnualReturnYear05 3.46%
10 Years rr_AverageAnnualReturnYear10 5.61%
Investor Class and Class H | Basic Materials Fund | Investor Class | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 (2.01%)
5 Years rr_AverageAnnualReturnYear05 3.30%
10 Years rr_AverageAnnualReturnYear10 5.38%
Investor Class and Class H | Basic Materials Fund | Investor Class | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 (0.95%)
5 Years rr_AverageAnnualReturnYear05 2.61%
10 Years rr_AverageAnnualReturnYear10 4.38%
Investor Class and Class H | Basic Materials Fund | Class H  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYBAX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.85% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25% [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.50% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.60% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 163
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 505
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 871
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,900
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 (2.19%)
5 Years rr_AverageAnnualReturnYear05 2.95%
10 Years rr_AverageAnnualReturnYear10 5.08%
Investor Class and Class H | Basic Materials Fund | Class H | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 (2.52%)
5 Years rr_AverageAnnualReturnYear05 2.78%
10 Years rr_AverageAnnualReturnYear10 4.84%
Investor Class and Class H | Basic Materials Fund | Class H | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 (1.23%)
5 Years rr_AverageAnnualReturnYear05 2.21%
10 Years rr_AverageAnnualReturnYear10 3.94%
Investor Class and Class H | Biotechnology Fund  
Prospectus: rr_ProspectusTable  
Risk/Return [Heading] rr_RiskReturnHeading BIOTECHNOLOGY FUND
Objective [Heading] rr_ObjectiveHeading INVESTMENT OBJECTIVE
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock
The Biotechnology Fund (the “Fund”) seeks to provide capital appreciation by investing in companies that are involved in the biotechnology industry, including companies involved in research and development, genetic or other biological engineering, and in the design, manufacture, or sale of related biotechnology products or services (“Biotechnology Companies”).
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 Investor Class shares or Class H shares of the Fund.
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 107% 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 107.00%
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.
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption 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:
Strategy [Heading] rr_StrategyHeading PRINCIPAL INVESTMENT STRATEGIES
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock
Under normal circumstances, the Fund invests substantially all (at least 80%) of its net assets in equity securities of Biotechnology Companies that are traded in the United States and in derivatives, which primarily consist of futures contracts and options on securities, futures contracts, and stock indices. The Fund may invest to a significant extent in the securities of Biotechnology Companies that have small to mid-sized capitalizations. Biotechnology Companies are engaged in the research, development, and manufacture of various biotechnological products, services, and processes; manufacture and/or distribute biotechnological and biomedical products, including devices and instruments; provide or benefit significantly from scientific and technological advances in biotechnology; or provide processes or services instead of, or in addition to, products. The Fund also may purchase American Depositary Receipts (“ADRs”) to gain exposure to foreign Biotechnology Companies and U.S. government securities.
Investments in derivative instruments, such as futures and options, have the economic effect of creating financial leverage in the Fund’s portfolio because such investments may give rise to losses that exceed the amount the Fund has invested in those instruments. Financial leverage will magnify, sometimes significantly, the Fund’s exposure to any increase or decrease in prices associated with a particular reference asset resulting in increased volatility in the value of the Fund’s portfolio. The value of the Fund’s portfolio is likely to experience greater volatility over short-term periods. While such financial leverage has the potential to produce greater gains, it also may result in greater losses, which in some cases may cause the Fund to liquidate other portfolio investments at a loss to comply with limits on leverage and asset segregation requirements imposed by the Investment Company Act of 1940 or to meet redemption requests.

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 invests in the securities of a limited number of issuers conducting business in the biotechnology sector and, therefore, may be concentrated in an industry or group of industries within the biotechnology sector. 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.
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 the principal risks described below.

ACTIVE TRADING RISK—The Fund may be used as a tool for certain investors that employ trading strategies involving frequent trading. Such trading strategies may lead to increased portfolio turnover in the Fund, higher transaction costs, and the possibility of increased short-term capital gains (which will be taxable to shareholders as ordinary income when distributed to them) and/or long-term capital gains. Large movements of assets into and out of the Fund due to active or frequent trading also may adversely affect the Fund's ability to achieve its investment objective.

BIOTECHNOLOGY SECTOR RISKTo the extent that the Fund’s investments are exposed to issuers conducting business in the biotechnology sector, the Fund is subject to the risk that the securities of such issuers will underperform the market as a whole due to legislative or regulatory changes, adverse market conditions and/or increased competition affecting that economic sector. The prices of the securities of Biotechnology Companies also may fluctuate widely in response to such events.

DEPOSITARY RECEIPT RISKThe Fund may hold the securities of non-U.S. companies in the form of ADRs. The underlying securities of the ADRs in the Fund’s portfolio are subject to fluctuations in foreign currency exchange rates that may affect the value of the Fund’s portfolio. In addition, the value of the securities underlying the ADRs may change materially when the U.S. markets are not open for trading. Investments in the underlying foreign securities also involve political and economic risks distinct from those associated with investing in the securities of U.S. issuers.

DERIVATIVES RISKThe Fund’s investments in derivatives may pose risks in addition to and greater than those associated with investing directly in securities or other investments, including risks relating to leverage, imperfect correlations with underlying investments or the Fund’s other portfolio holdings, high price volatility, lack of availability, counterparty credit, liquidity, valuation and legal restrictions. Their use is a highly specialized activity that involves investment techniques and risks different from those associated with ordinary portfolio securities transactions. If the Advisor is incorrect about its expectations of market conditions, the use of derivatives could also result in a loss, which in some cases may be unlimited. Certain risks are specific to the derivatives in which the Fund invests.

FUTURES CONTRACTS RISKFutures contracts are typically exchange-traded contracts that call for the future delivery of an asset at a certain price and date, or cash settlement of the terms of the contract. Risks of futures contracts may be caused by an imperfect correlation between movements in the price of the instruments and the price of the underlying securities. In addition, there is the risk that the Fund may not be able to enter into a closing transaction because of an illiquid market. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Futures markets are highly volatile and the use of futures may increase the volatility of the Fund’s NAV. Futures are also subject to leverage risks and to liquidity risk.

OPTIONS RISKOptions or options on futures contracts give the holder of the option the right to buy (or to sell) a position in a security or in a contract to the writer of the option, at a certain price. They are subject to correlation risk because there may be an imperfect correlation between the options and the securities markets that cause a given transaction to fail to achieve its objectives. The successful use of options depends on the Advisor’s ability to correctly predict future price fluctuations and the degree of correlation between the options and securities markets. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Options are also particularly subject to leverage risk and can be subject to liquidity risk.

EARLY CLOSING RISKThe 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.

EQUITY RISKThe Fund is subject to the risk that the value of the equity securities or equity-based derivatives in the Fund’s portfolio will decline due to volatility in the equity market caused by general market and economic conditions, perceptions regarding particular industries represented in the equity market, or factors relating to specific companies to which the Fund has investment exposure.

FOREIGN ISSUER EXPOSURE RISKThe Fund may invest in securities of foreign companies directly, or in financial instruments that are indirectly linked to the performance of foreign issuers, such as ADRs. The Fund’s exposure to foreign issuers and investments in foreign securities, if any, are subject to additional risks in comparison to U.S. securities and U.S. issuers, including currency fluctuations, adverse political and economic developments, unreliable or untimely information, less liquidity, limited legal recourse and higher transactional costs.

MARKET RISKThe market value of the securities and derivatives held by the Fund may fluctuate resulting from factors affecting the individual company or other factors such as changing economic, political or financial market conditions. Moreover, changing economic, political or financial market conditions in one country or geographic region could adversely impact the market value of the securities held by the Fund in a different country or geographic region.

MID-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that medium-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

NON-DIVERSIFICATION RISKThe 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.

PORTFOLIO TURNOVER RISKThe Fund’s strategy may frequently involve buying and selling portfolio securities, which may lead to increased costs to the Fund. Portfolio turnover risk may cause the Fund’s performance to be less than you expect.

SMALL-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that small-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

TEMPORARY DEFENSIVE INVESTMENT RISKThe 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 RISKIf 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 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.
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 Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index. Effective upon the close of business on September 30, 2015, the Fund converted its existing Advisor Class shares to Class H shares. For periods prior to September 30, 2015, the performance shown reflects the performance of Advisor Class shares. The returns shown have not been adjusted to reflect any differences in expenses between Advisor Class shares and Class H shares. However, the Fund's Class H shares would have annual returns substantially similar to those of the Fund's former Advisor Class shares because they are invested in the same portfolio of securities and have a similar expense structure to the former Advisor Class shares. The figures in the bar chart and tables assume the reinvestment of dividends and capital gains distributions. 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.guggenheiminvestments.com or by calling Guggenheim Investments Client Services at 800.820.0888.

Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following bar chart shows the performance of the Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone 800.820.0888
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.guggenheiminvestments.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 Investor Class shares is based on a calendar year. The year-to-date return for the period from January 1, 2015 through June 30, 2015 is 22.64%.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Highest Quarter Return
 
Lowest Quarter Return
 
Q1 2012
21.70%
 
Q2 2010
-16.79
 %
Performance Table Heading rr_PerformanceTableHeading AVERAGE ANNUAL TOTAL RETURN (for periods ended December 31, 2014)
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. Your actual after-tax returns will depend on your specific tax situation and may differ from those shown below.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred 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.
Investor Class and Class H | Biotechnology Fund | S&P 500 Index  
Prospectus: rr_ProspectusTable  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes reflects no deduction for fees, expenses or taxes
Label rr_AverageAnnualReturnLabel S&P 500® Index (reflects no deduction for fees, expenses or taxes)
1 Year rr_AverageAnnualReturnYear01 13.69%
5 Years rr_AverageAnnualReturnYear05 15.45%
10 Years rr_AverageAnnualReturnYear10 7.67%
Investor Class and Class H | Biotechnology Fund | Investor Class  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYOIX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.85% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.48% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.33% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 135
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 421
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 729
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,601
Annual Return 2005 rr_AnnualReturn2005 11.73%
Annual Return 2006 rr_AnnualReturn2006 (3.07%)
Annual Return 2007 rr_AnnualReturn2007 5.69%
Annual Return 2008 rr_AnnualReturn2008 (10.51%)
Annual Return 2009 rr_AnnualReturn2009 19.46%
Annual Return 2010 rr_AnnualReturn2010 10.56%
Annual Return 2011 rr_AnnualReturn2011 11.39%
Annual Return 2012 rr_AnnualReturn2012 36.54%
Annual Return 2013 rr_AnnualReturn2013 54.66%
Annual Return 2014 rr_AnnualReturn2014 33.47%
Year to Date Return, Label rr_YearToDateReturnLabel year-to-date return
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Jun. 30, 2015
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn 22.64%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest Quarter Return
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Mar. 31, 2012
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 21.70%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest Quarter Return
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Jun. 30, 2010
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (16.79%)
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 33.47%
5 Years rr_AverageAnnualReturnYear05 28.26%
10 Years rr_AverageAnnualReturnYear10 15.56%
Investor Class and Class H | Biotechnology Fund | Investor Class | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 31.44%
5 Years rr_AverageAnnualReturnYear05 27.87%
10 Years rr_AverageAnnualReturnYear10 15.38%
Investor Class and Class H | Biotechnology Fund | Investor Class | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 19.08%
5 Years rr_AverageAnnualReturnYear05 23.39%
10 Years rr_AverageAnnualReturnYear10 13.17%
Investor Class and Class H | Biotechnology Fund | Class H  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYOAX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.85% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25% [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.48% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.58% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 161
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 499
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 860
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,878
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 32.79%
5 Years rr_AverageAnnualReturnYear05 27.62%
10 Years rr_AverageAnnualReturnYear10 14.99%
Investor Class and Class H | Biotechnology Fund | Class H | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 30.59%
5 Years rr_AverageAnnualReturnYear05 27.20%
10 Years rr_AverageAnnualReturnYear10 14.80%
Investor Class and Class H | Biotechnology Fund | Class H | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 18.71%
5 Years rr_AverageAnnualReturnYear05 22.81%
10 Years rr_AverageAnnualReturnYear10 12.65%
Investor Class and Class H | Consumer Products Fund  
Prospectus: rr_ProspectusTable  
Risk/Return [Heading] rr_RiskReturnHeading CONSUMER PRODUCTS FUND
Objective [Heading] rr_ObjectiveHeading INVESTMENT OBJECTIVE
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock
The Consumer Products Fund (the “Fund”) seeks to provide capital appreciation by investing in companies engaged in manufacturing finished goods and services both domestically and internationally (“Consumer Products Companies”).
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 Investor Class shares or Class H shares of the Fund.
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 87% 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 87.00%
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.
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption 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:
Strategy [Heading] rr_StrategyHeading PRINCIPAL INVESTMENT STRATEGIES
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock
Under normal circumstances, the Fund invests substantially all (at least 80%) of its net assets in equity securities of Consumer Products Companies that are traded in the United States and in derivatives, which primarily consist of futures contracts and options on securities, futures contracts, and stock indices. The Fund may invest to a significant extent in the securities of Consumer Products Companies that have small to mid-sized capitalizations. Consumer Products Companies include companies that manufacture wholesale or retail food, staple retail products and non-durable goods such as beverages, tobacco, household and personal care products. The Fund also may purchase American Depositary Receipts (“ADRs”) to gain exposure to foreign Consumer Products Companies and U.S. government securities.
Investments in derivative instruments, such as futures and options, have the economic effect of creating financial leverage in the Fund’s portfolio because such investments may give rise to losses that exceed the amount the Fund has invested in those instruments. Financial leverage will magnify, sometimes significantly, the Fund’s exposure to any increase or decrease in prices associated with a particular reference asset resulting in increased volatility in the value of the Fund’s portfolio. The value of the Fund’s portfolio is likely to experience greater volatility over short-term periods. While such financial leverage has the potential to produce greater gains, it also may result in greater losses, which in some cases may cause the Fund to liquidate other portfolio investments at a loss to comply with limits on leverage and asset segregation requirements imposed by the Investment Company Act of 1940 or to meet redemption requests.

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 invests in the securities of a limited number of issuers conducting business in the consumer products sector and, therefore, may be concentrated in an industry or group of industries within the consumer products sector. 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.
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 the principal risks described below.

ACTIVE TRADING RISK—The Fund may be used as a tool for certain investors that employ trading strategies involving frequent trading. Such trading strategies may lead to increased portfolio turnover in the Fund, higher transaction costs, and the possibility of increased short-term capital gains (which will be taxable to shareholders as ordinary income when distributed to them) and/or long-term capital gains. Large movements of assets into and out of the Fund due to active or frequent trading also may adversely affect the Fund's ability to achieve its investment objective.

CONSUMER PRODUCTS SECTOR RISKTo the extent that the Fund’s investments are exposed to issuers conducting business in the consumer products sector, the Fund is subject to the risk that the securities of such issuers will underperform the market as a whole due to legislative or regulatory changes, adverse market conditions and/or increased competition affecting that economic sector. The prices of the securities of Consumer Products Companies also may fluctuate widely in response to such events.

DEPOSITARY RECEIPT RISKThe Fund may hold the securities of non-U.S. companies in the form of ADRs. The underlying securities of the ADRs in the Fund’s portfolio are subject to fluctuations in foreign currency exchange rates that may affect the value of the Fund’s portfolio. In addition, the value of the securities underlying the ADRs may change materially when the U.S. markets are not open for trading. Investments in the underlying foreign securities also involve political and economic risks distinct from those associated with investing in the securities of U.S. issuers.

DERIVATIVES RISKThe Fund’s investments in derivatives may pose risks in addition to and greater than those associated with investing directly in securities or other investments, including risks relating to leverage, imperfect correlations with underlying investments or the Fund’s other portfolio holdings, high price volatility, lack of availability, counterparty credit, liquidity, valuation and legal restrictions. Their use is a highly specialized activity that involves investment techniques and risks different from those associated with ordinary portfolio securities transactions. If the Advisor is incorrect about its expectations of market conditions, the use of derivatives could also result in a loss, which in some cases may be unlimited. Certain risks are specific to the derivatives in which the Fund invests.

FUTURES CONTRACTS RISKFutures contracts are typically exchange-traded contracts that call for the future delivery of an asset at a certain price and date, or cash settlement of the terms of the contract. Risks of futures contracts may be caused by an imperfect correlation between movements in the price of the instruments and the price of the underlying securities. In addition, there is the risk that the Fund may not be able to enter into a closing transaction because of an illiquid market. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Futures markets are highly volatile and the use of futures may increase the volatility of the Fund’s NAV. Futures are also subject to leverage risks and to liquidity risk.

OPTIONS RISKOptions or options on futures contracts give the holder of the option the right to buy (or to sell) a position in a security or in a contract to the writer of the option, at a certain price. They are subject to correlation risk because there may be an imperfect correlation between the options and the securities markets that cause a given transaction to fail to achieve its objectives. The successful use of options depends on the Advisor’s ability to correctly predict future price fluctuations and the degree of correlation between the options and securities markets. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Options are also particularly subject to leverage risk and can be subject to liquidity risk.

EARLY CLOSING RISKThe 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.

EQUITY RISKThe Fund is subject to the risk that the value of the equity securities or equity-based derivatives in the Fund’s portfolio will decline due to volatility in the equity market caused by general market and economic conditions, perceptions regarding particular industries represented in the equity market, or factors relating to specific companies to which the Fund has investment exposure.

FOREIGN ISSUER EXPOSURE RISKThe Fund may invest in securities of foreign companies directly, or in financial instruments that are indirectly linked to the performance of foreign issuers, such as ADRs. The Fund’s exposure to foreign issuers and investments in foreign securities, if any, are subject to additional risks in comparison to U.S. securities and U.S. issuers, including currency fluctuations, adverse political and economic developments, unreliable or untimely information, less liquidity, limited legal recourse and higher transactional costs.

MARKET RISKThe market value of the securities and derivatives held by the Fund may fluctuate resulting from factors affecting the individual company or other factors such as changing economic, political or financial market conditions. Moreover, changing economic, political or financial market conditions in one country or geographic region could adversely impact the market value of the securities held by the Fund in a different country or geographic region.

MID-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that medium-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

NON-DIVERSIFICATION RISKThe 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.

PORTFOLIO TURNOVER RISKThe Fund’s strategy may frequently involve buying and selling portfolio securities, which may lead to increased costs to the Fund. Portfolio turnover risk may cause the Fund’s performance to be less than you expect.

SMALL-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that small-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

TEMPORARY DEFENSIVE INVESTMENT RISKThe 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 RISKIf 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 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.
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 Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index. Effective upon the close of business on September 30, 2015, the Fund converted its existing Advisor Class shares to Class H shares. For periods prior to September 30, 2015, the performance shown reflects the performance of Advisor Class shares. The returns shown have not been adjusted to reflect any differences in expenses between Advisor Class shares and Class H shares. However, the Fund's Class H shares would have annual returns substantially similar to those of the Fund's former Advisor Class shares because they are invested in the same portfolio of securities and have a similar expense structure to the former Advisor Class shares. The figures in the bar chart and tables assume the reinvestment of dividends and capital gains distributions. 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.guggenheiminvestments.com or by calling Guggenheim Investments Client Services at 800.820.0888.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following bar chart shows the performance of the Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone 800.820.0888
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.guggenheiminvestments.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 Investor Class shares is based on a calendar year. The year-to-date return for the period from January 1, 2015 through June 30, 2015 is 1.73%.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Highest Quarter Return
 
Lowest Quarter Return
 
Q1 2013
15.38%
 
Q4 2008
-14.32
 %
Performance Table Heading rr_PerformanceTableHeading AVERAGE ANNUAL TOTAL RETURN (for periods ended December 31, 2014)
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. Your actual after-tax returns will depend on your specific tax situation and may differ from those shown below.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred 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.
Investor Class and Class H | Consumer Products Fund | S&P 500 Index  
Prospectus: rr_ProspectusTable  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes reflects no deduction for fees, expenses or taxes
Label rr_AverageAnnualReturnLabel S&P 500® Index (reflects no deduction for fees, expenses or taxes)
1 Year rr_AverageAnnualReturnYear01 13.69%
5 Years rr_AverageAnnualReturnYear05 15.45%
10 Years rr_AverageAnnualReturnYear10 7.67%
Investor Class and Class H | Consumer Products Fund | Investor Class  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYCIX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.85% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.49% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.34% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 136
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 425
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 734
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,613
Annual Return 2005 rr_AnnualReturn2005 (0.56%)
Annual Return 2006 rr_AnnualReturn2006 17.25%
Annual Return 2007 rr_AnnualReturn2007 11.31%
Annual Return 2008 rr_AnnualReturn2008 (23.08%)
Annual Return 2009 rr_AnnualReturn2009 19.35%
Annual Return 2010 rr_AnnualReturn2010 17.58%
Annual Return 2011 rr_AnnualReturn2011 14.00%
Annual Return 2012 rr_AnnualReturn2012 9.76%
Annual Return 2013 rr_AnnualReturn2013 28.95%
Annual Return 2014 rr_AnnualReturn2014 12.87%
Year to Date Return, Label rr_YearToDateReturnLabel year-to-date return
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Jun. 30, 2015
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn 1.73%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest Quarter Return
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Mar. 31, 2013
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 15.38%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest Quarter Return
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Dec. 31, 2008
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (14.32%)
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 12.87%
5 Years rr_AverageAnnualReturnYear05 16.45%
10 Years rr_AverageAnnualReturnYear10 9.82%
Investor Class and Class H | Consumer Products Fund | Investor Class | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 12.29%
5 Years rr_AverageAnnualReturnYear05 14.29%
10 Years rr_AverageAnnualReturnYear10 8.66%
Investor Class and Class H | Consumer Products Fund | Investor Class | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 7.28%
5 Years rr_AverageAnnualReturnYear05 12.14%
10 Years rr_AverageAnnualReturnYear10 7.45%
Investor Class and Class H | Consumer Products Fund | Class H  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYCAX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.85% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25% [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.50% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.60% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 163
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 505
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 871
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,900
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 12.32%
5 Years rr_AverageAnnualReturnYear05 15.87%
10 Years rr_AverageAnnualReturnYear10 9.28%
Investor Class and Class H | Consumer Products Fund | Class H | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 11.68%
5 Years rr_AverageAnnualReturnYear05 13.57%
10 Years rr_AverageAnnualReturnYear10 8.05%
Investor Class and Class H | Consumer Products Fund | Class H | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 6.97%
5 Years rr_AverageAnnualReturnYear05 11.58%
10 Years rr_AverageAnnualReturnYear10 6.94%
Investor Class and Class H | Electronics Fund  
Prospectus: rr_ProspectusTable  
Risk/Return [Heading] rr_RiskReturnHeading ELECTRONICS FUND
Objective [Heading] rr_ObjectiveHeading INVESTMENT OBJECTIVE
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock
The Electronics Fund (the “Fund”) seeks to provide capital appreciation by investing in companies that are involved in the electronics sector, including semiconductor manufacturers and distributors, and makers and vendors of other electronic components and devices (“Electronics Companies”).
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 Investor Class shares or Class H shares of the Fund.
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 562% 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 562.00%
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.
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption 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:
Strategy [Heading] rr_StrategyHeading PRINCIPAL INVESTMENT STRATEGIES
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock
Under normal circumstances, the Fund invests substantially all (at least 80%) of its net assets in equity securities of Electronics Companies that are traded in the United States and in derivatives, which primarily consist of futures contracts and options on securities, futures contracts, and stock indices. The Fund may invest to a significant extent in the securities of Electronics Companies that have small to mid-sized capitalizations. Electronics Companies include companies involved in the manufacture and development of semiconductors, connectors, printed circuit boards and other components; equipment vendors to electronic component manufacturers; electronic component distributors; electronic instruments and electronic systems vendors; and also include companies involved in all aspects of the electronics business and in new technologies or specialty areas. The Fund also may purchase American Depositary Receipts (“ADRs”) to gain exposure to foreign Electronics Companies and U.S. government securities.
Investments in derivative instruments, such as futures and options, have the economic effect of creating financial leverage in the Fund’s portfolio because such investments may give rise to losses that exceed the amount the Fund has invested in those instruments. Financial leverage will magnify, sometimes significantly, the Fund’s exposure to any increase or decrease in prices associated with a particular reference asset resulting in increased volatility in the value of the Fund’s portfolio. The value of the Fund’s portfolio is likely to experience greater volatility over short-term periods. While such financial leverage has the potential to produce greater gains, it also may result in greater losses, which in some cases may cause the Fund to liquidate other portfolio investments at a loss to comply with limits on leverage and asset segregation requirements imposed by the Investment Company Act of 1940 or to meet redemption requests.

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 invests in the securities of a limited number of issuers conducting business in the electronics sector and, therefore, may be concentrated in an industry or group of industries within the electronics sector. 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.
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 the principal risks described below.

ACTIVE TRADING RISK—The Fund may be used as a tool for certain investors that employ trading strategies involving frequent trading. Such trading strategies may lead to increased portfolio turnover in the Fund, higher transaction costs, and the possibility of increased short-term capital gains (which will be taxable to shareholders as ordinary income when distributed to them) and/or long-term capital gains. Large movements of assets into and out of the Fund due to active or frequent trading also may adversely affect the Fund's ability to achieve its investment objective.

DEPOSITARY RECEIPT RISKThe Fund may hold the securities of non-U.S. companies in the form of ADRs. The underlying securities of the ADRs in the Fund’s portfolio are subject to fluctuations in foreign currency exchange rates that may affect the value of the Fund’s portfolio. In addition, the value of the securities underlying the ADRs may change materially when the U.S. markets are not open for trading. Investments in the underlying foreign securities also involve political and economic risks distinct from those associated with investing in the securities of U.S. issuers.

DERIVATIVES RISKThe Fund’s investments in derivatives may pose risks in addition to and greater than those associated with investing directly in securities or other investments, including risks relating to leverage, imperfect correlations with underlying investments or the Fund’s other portfolio holdings, high price volatility, lack of availability, counterparty credit, liquidity, valuation and legal restrictions. Their use is a highly specialized activity that involves investment techniques and risks different from those associated with ordinary portfolio securities transactions. If the Advisor is incorrect about its expectations of market conditions, the use of derivatives could also result in a loss, which in some cases may be unlimited. Certain risks are specific to the derivatives in which the Fund invests.

FUTURES CONTRACTS RISKFutures contracts are typically exchange-traded contracts that call for the future delivery of an asset at a certain price and date, or cash settlement of the terms of the contract. Risks of futures contracts may be caused by an imperfect correlation between movements in the price of the instruments and the price of the underlying securities. In addition, there is the risk that the Fund may not be able to enter into a closing transaction because of an illiquid market. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Futures markets are highly volatile and the use of futures may increase the volatility of the Fund’s NAV. Futures are also subject to leverage risks and to liquidity risk.

OPTIONS RISKOptions or options on futures contracts give the holder of the option the right to buy (or to sell) a position in a security or in a contract to the writer of the option, at a certain price. They are subject to correlation risk because there may be an imperfect correlation between the options and the securities markets that cause a given transaction to fail to achieve its objectives. The successful use of options depends on the Advisor’s ability to correctly predict future price fluctuations and the degree of correlation between the options and securities markets. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Options are also particularly subject to leverage risk and can be subject to liquidity risk.

EARLY CLOSING RISKThe 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.

ELECTRONICS SECTOR RISKTo the extent that the Fund’s investments are exposed to issuers conducting business in the electronics sector, the Fund is subject to the risk that the securities of such issuers will underperform the market as a whole due to legislative or regulatory changes, adverse market conditions and/or increased competition affecting that economic sector. The prices of the securities of Electronics Companies also may fluctuate widely in response to such events.

EQUITY RISKThe Fund is subject to the risk that the value of the equity securities or equity-based derivatives in the Fund’s portfolio will decline due to volatility in the equity market caused by general market and economic conditions, perceptions regarding particular industries represented in the equity market, or factors relating to specific companies to which the Fund has investment exposure.

FOREIGN ISSUER EXPOSURE RISKThe Fund may invest in securities of foreign companies directly, or in financial instruments that are indirectly linked to the performance of foreign issuers, such as ADRs. The Fund’s exposure to foreign issuers and investments in foreign securities, if any, are subject to additional risks in comparison to U.S. securities and U.S. issuers, including currency fluctuations, adverse political and economic developments, unreliable or untimely information, less liquidity, limited legal recourse and higher transactional costs.

MARKET RISKThe market value of the securities and derivatives held by the Fund may fluctuate resulting from factors affecting the individual company or other factors such as changing economic, political or financial market conditions. Moreover, changing economic, political or financial market conditions in one country or geographic region could adversely impact the market value of the securities held by the Fund in a different country or geographic region.

MID-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that medium-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

NON-DIVERSIFICATION RISKThe 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.

PORTFOLIO TURNOVER RISKThe Fund’s strategy may frequently involve buying and selling portfolio securities, which may lead to increased costs to the Fund. Portfolio turnover risk may cause the Fund’s performance to be less than you expect.

SMALL-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that small-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

TEMPORARY DEFENSIVE INVESTMENT RISKThe 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 RISKIf 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 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.
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 Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index. Effective upon the close of business on September 30, 2015, the Fund converted its existing Advisor Class shares to Class H shares. For periods prior to September 30, 2015, the performance shown reflects the performance of Advisor Class shares. The returns shown have not been adjusted to reflect any differences in expenses between Advisor Class shares and Class H shares. However, the Fund's Class H shares would have annual returns substantially similar to those of the Fund's former Advisor Class shares because they are invested in the same portfolio of securities and have a similar expense structure to the former Advisor Class shares. The figures in the bar chart and tables assume the reinvestment of dividends and capital gains distributions. 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.guggenheiminvestments.com or by calling Guggenheim Investments Client Services at 800.820.0888.

Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following bar chart shows the performance of the Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone 800.820.0888
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.guggenheiminvestments.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 Investor Class shares is based on a calendar year. The year-to-date return for the period from January 1, 2015 through June 30, 2015 is 5.14%.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Highest Quarter Return
 
Lowest Quarter Return
 
Q3 2009
23.18%
 
Q4 2008
-28.74
 %
Performance Table Heading rr_PerformanceTableHeading AVERAGE ANNUAL TOTAL RETURN (for periods ended December 31, 2014)
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. Your actual after-tax returns will depend on your specific tax situation and may differ from those shown below.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred 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.
Investor Class and Class H | Electronics Fund | S&P 500 Index  
Prospectus: rr_ProspectusTable  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes reflects no deduction for fees, expenses or taxes
Label rr_AverageAnnualReturnLabel S&P 500® Index (reflects no deduction for fees, expenses or taxes)
1 Year rr_AverageAnnualReturnYear01 13.69%
5 Years rr_AverageAnnualReturnYear05 15.45%
10 Years rr_AverageAnnualReturnYear10 7.67%
Investor Class and Class H | Electronics Fund | Investor Class  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYSIX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.85% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.50% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.35% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 137
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 428
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 739
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,624
Annual Return 2005 rr_AnnualReturn2005 4.66%
Annual Return 2006 rr_AnnualReturn2006 6.42%
Annual Return 2007 rr_AnnualReturn2007 (2.17%)
Annual Return 2008 rr_AnnualReturn2008 (49.88%)
Annual Return 2009 rr_AnnualReturn2009 70.66%
Annual Return 2010 rr_AnnualReturn2010 8.55%
Annual Return 2011 rr_AnnualReturn2011 (16.62%)
Annual Return 2012 rr_AnnualReturn2012 0.32%
Annual Return 2013 rr_AnnualReturn2013 34.36%
Annual Return 2014 rr_AnnualReturn2014 23.56%
Year to Date Return, Label rr_YearToDateReturnLabel year-to-date return
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Jun. 30, 2015
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn 5.14%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest Quarter Return
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Sep. 30, 2009
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 23.18%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest Quarter Return
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Dec. 31, 2008
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (28.74%)
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 23.56%
5 Years rr_AverageAnnualReturnYear05 8.55%
10 Years rr_AverageAnnualReturnYear10 3.46%
Investor Class and Class H | Electronics Fund | Investor Class | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 23.56%
5 Years rr_AverageAnnualReturnYear05 8.55%
10 Years rr_AverageAnnualReturnYear10 3.45%
Investor Class and Class H | Electronics Fund | Investor Class | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 13.33%
5 Years rr_AverageAnnualReturnYear05 6.75%
10 Years rr_AverageAnnualReturnYear10 2.72%
Investor Class and Class H | Electronics Fund | Class H  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYSAX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.85% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25% [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.50% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.60% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 163
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 505
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 871
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,900
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 22.89%
5 Years rr_AverageAnnualReturnYear05 8.00%
10 Years rr_AverageAnnualReturnYear10 2.94%
Investor Class and Class H | Electronics Fund | Class H | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 22.89%
5 Years rr_AverageAnnualReturnYear05 7.99%
10 Years rr_AverageAnnualReturnYear10 2.94%
Investor Class and Class H | Electronics Fund | Class H | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 12.96%
5 Years rr_AverageAnnualReturnYear05 6.30%
10 Years rr_AverageAnnualReturnYear10 2.31%
Investor Class and Class H | Energy Fund  
Prospectus: rr_ProspectusTable  
Risk/Return [Heading] rr_RiskReturnHeading ENERGY FUND
Objective [Heading] rr_ObjectiveHeading INVESTMENT OBJECTIVE
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock
The Energy Fund (the “Fund”) seeks to provide capital appreciation by investing in companies involved in the energy field, including the exploration, production, and development of oil, gas, coal and alternative sources of energy (“Energy Companies”).
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 Investor Class shares or Class H shares of the Fund.
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 463% 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 463.00%
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.
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption 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:
Strategy [Heading] rr_StrategyHeading PRINCIPAL INVESTMENT STRATEGIES
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock
Under normal circumstances, the Fund invests substantially all (at least 80%) of its net assets in equity securities of Energy Companies that are traded in the United States and in derivatives, which primarily consist of futures contracts and options on securities, futures contracts, and stock indices. The Fund may invest to a significant extent in the securities of Energy Companies that have small to mid-sized capitalizations. Energy Companies are involved in all aspects of the energy industry, including the conventional areas of oil, gas, electricity, and coal, and alternative sources of energy such as nuclear, geothermal, oil shale, and solar power, and include companies that produce, transmit, market, distribute or measure energy; companies involved in providing products and services to companies in the energy field; and companies involved in the exploration of new sources of energy, conservation, and energy-related pollution control. The Fund also may purchase American Depositary Receipts (“ADRs”) to gain exposure to foreign Energy Companies and U.S. government securities.
Investments in derivative instruments, such as futures and options, have the economic effect of creating financial leverage in the Fund’s portfolio because such investments may give rise to losses that exceed the amount the Fund has invested in those instruments. Financial leverage will magnify, sometimes significantly, the Fund’s exposure to any increase or decrease in prices associated with a particular reference asset resulting in increased volatility in the value of the Fund’s portfolio. The value of the Fund’s portfolio is likely to experience greater volatility over short-term periods. While such financial leverage has the potential to produce greater gains, it also may result in greater losses, which in some cases may cause the Fund to liquidate other portfolio investments at a loss to comply with limits on leverage and asset segregation requirements imposed by the Investment Company Act of 1940 or to meet redemption requests.

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 invests in the securities of a limited number of issuers conducting business in the energy sector and, therefore, may be concentrated in an industry or group of industries within the energy sector. 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.
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 the principal risks described below.

ACTIVE TRADING RISK—The Fund may be used as a tool for certain investors that employ trading strategies involving frequent trading. Such trading strategies may lead to increased portfolio turnover in the Fund, higher transaction costs, and the possibility of increased short-term capital gains (which will be taxable to shareholders as ordinary income when distributed to them) and/or long-term capital gains. Large movements of assets into and out of the Fund due to active or frequent trading also may adversely affect the Fund's ability to achieve its investment objective.

DEPOSITARY RECEIPT RISKThe Fund may hold the securities of non-U.S. companies in the form of ADRs. The underlying securities of the ADRs in the Fund’s portfolio are subject to fluctuations in foreign currency exchange rates that may affect the value of the Fund’s portfolio. In addition, the value of the securities underlying the ADRs may change materially when the U.S. markets are not open for trading. Investments in the underlying foreign securities also involve political and economic risks distinct from those associated with investing in the securities of U.S. issuers.

DERIVATIVES RISKThe Fund’s investments in derivatives may pose risks in addition to and greater than those associated with investing directly in securities or other investments, including risks relating to leverage, imperfect correlations with underlying investments or the Fund’s other portfolio holdings, high price volatility, lack of availability, counterparty credit, liquidity, valuation and legal restrictions. Their use is a highly specialized activity that involves investment techniques and risks different from those associated with ordinary portfolio securities transactions. If the Advisor is incorrect about its expectations of market conditions, the use of derivatives could also result in a loss, which in some cases may be unlimited. Certain risks are specific to the derivatives in which the Fund invests.

FUTURES CONTRACTS RISKFutures contracts are typically exchange-traded contracts that call for the future delivery of an asset at a certain price and date, or cash settlement of the terms of the contract. Risks of futures contracts may be caused by an imperfect correlation between movements in the price of the instruments and the price of the underlying securities. In addition, there is the risk that the Fund may not be able to enter into a closing transaction because of an illiquid market. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Futures markets are highly volatile and the use of futures may increase the volatility of the Fund’s NAV. Futures are also subject to leverage risks and to liquidity risk.

OPTIONS RISKOptions or options on futures contracts give the holder of the option the right to buy (or to sell) a position in a security or in a contract to the writer of the option, at a certain price. They are subject to correlation risk because there may be an imperfect correlation between the options and the securities markets that cause a given transaction to fail to achieve its objectives. The successful use of options depends on the Advisor’s ability to correctly predict future price fluctuations and the degree of correlation between the options and securities markets. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Options are also particularly subject to leverage risk and can be subject to liquidity risk.

EARLY CLOSING RISKThe 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.

ENERGY SECTOR RISKTo the extent that the Fund’s investments are exposed to the energy sector, the Fund is subject to the risk that the securities of such issuers will underperform the market as a whole due to legislative or regulatory changes, adverse market conditions and/or increased competition affecting that economic sector. The prices of the securities of Energy Companies also may fluctuate widely in response to such events.

EQUITY RISKThe Fund is subject to the risk that the value of the equity securities or equity-based derivatives in the Fund’s portfolio will decline due to volatility in the equity market caused by general market and economic conditions, perceptions regarding particular industries represented in the equity market, or factors relating to specific companies to which the Fund has investment exposure.

FOREIGN ISSUER EXPOSURE RISKThe Fund may invest in securities of foreign companies directly, or in financial instruments that are indirectly linked to the performance of foreign issuers, such as ADRs. The Fund’s exposure to foreign issuers and investments in foreign securities, if any, are subject to additional risks in comparison to U.S. securities and U.S. issuers, including currency fluctuations, adverse political and economic developments, unreliable or untimely information, less liquidity, limited legal recourse and higher transactional costs.

MARKET RISKThe market value of the securities and derivatives held by the Fund may fluctuate resulting from factors affecting the individual company or other factors such as changing economic, political or financial market conditions. Moreover, changing economic, political or financial market conditions in one country or geographic region could adversely impact the market value of the securities held by the Fund in a different country or geographic region.

MID-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that medium-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

NON-DIVERSIFICATION RISKThe 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.

PORTFOLIO TURNOVER RISKThe Fund’s strategy may frequently involve buying and selling portfolio securities, which may lead to increased costs to the Fund. Portfolio turnover risk may cause the Fund’s performance to be less than you expect.

SMALL-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that small-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

TEMPORARY DEFENSIVE INVESTMENT RISKThe 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 RISKIf 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 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.
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 Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index. Effective upon the close of business on September 30, 2015, the Fund converted its existing Advisor Class shares to Class H shares. For periods prior to September 30, 2015, the performance shown reflects the performance of Advisor Class shares. The returns shown have not been adjusted to reflect any differences in expenses between Advisor Class shares and Class H shares. However, the Fund's Class H shares would have annual returns substantially similar to those of the Fund's former Advisor Class shares because they are invested in the same portfolio of securities and have a similar expense structure to the former Advisor Class shares. The figures in the bar chart and tables assume the reinvestment of dividends and capital gains distributions. 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.guggenheiminvestments.com or by calling Guggenheim Investments Client Services at 800.820.0888.

Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following bar chart shows the performance of the Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone 800.820.0888
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.guggenheiminvestments.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 Investor Class shares is based on a calendar year. The year-to-date return for the period from January 1, 2015 through June 30, 2015 is -2.97%.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Highest Quarter Return
 
Lowest Quarter Return
 
Q2 2008
27.59%
 
Q3 2008
-33.92
 %
Performance Table Heading rr_PerformanceTableHeading AVERAGE ANNUAL TOTAL RETURN (for periods ended December 31, 2014)
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. Your actual after-tax returns will depend on your specific tax situation and may differ from those shown below.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred 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.
Investor Class and Class H | Energy Fund | S&P 500 Index  
Prospectus: rr_ProspectusTable  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes reflects no deduction for fees, expenses or taxes
Label rr_AverageAnnualReturnLabel S&P 500® Index (reflects no deduction for fees, expenses or taxes)
1 Year rr_AverageAnnualReturnYear01 13.69%
5 Years rr_AverageAnnualReturnYear05 15.45%
10 Years rr_AverageAnnualReturnYear10 7.67%
Investor Class and Class H | Energy Fund | Investor Class  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYEIX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.85% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.50% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.35% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 137
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 428
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 739
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,624
Annual Return 2005 rr_AnnualReturn2005 38.77%
Annual Return 2006 rr_AnnualReturn2006 11.93%
Annual Return 2007 rr_AnnualReturn2007 33.44%
Annual Return 2008 rr_AnnualReturn2008 (45.52%)
Annual Return 2009 rr_AnnualReturn2009 39.01%
Annual Return 2010 rr_AnnualReturn2010 19.37%
Annual Return 2011 rr_AnnualReturn2011 (5.55%)
Annual Return 2012 rr_AnnualReturn2012 2.76%
Annual Return 2013 rr_AnnualReturn2013 23.85%
Annual Return 2014 rr_AnnualReturn2014 (18.50%)
Year to Date Return, Label rr_YearToDateReturnLabel year-to-date return
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Jun. 30, 2015
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn (2.97%)
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest Quarter Return
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Jun. 30, 2008
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 27.59%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest Quarter Return
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Sep. 30, 2008
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (33.92%)
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 (18.50%)
5 Years rr_AverageAnnualReturnYear05 3.18%
10 Years rr_AverageAnnualReturnYear10 6.26%
Investor Class and Class H | Energy Fund | Investor Class | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 (18.65%)
5 Years rr_AverageAnnualReturnYear05 2.99%
10 Years rr_AverageAnnualReturnYear10 5.96%
Investor Class and Class H | Energy Fund | Investor Class | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 (10.46%)
5 Years rr_AverageAnnualReturnYear05 2.39%
10 Years rr_AverageAnnualReturnYear10 5.05%
Investor Class and Class H | Energy Fund | Class H  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYEAX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.85% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25% [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.50% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.60% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 163
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 505
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 871
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,900
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 (18.88%)
5 Years rr_AverageAnnualReturnYear05 2.67%
10 Years rr_AverageAnnualReturnYear10 5.73%
Investor Class and Class H | Energy Fund | Class H | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 (19.04%)
5 Years rr_AverageAnnualReturnYear05 2.46%
10 Years rr_AverageAnnualReturnYear10 5.41%
Investor Class and Class H | Energy Fund | Class H | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 (10.67%)
5 Years rr_AverageAnnualReturnYear05 1.99%
10 Years rr_AverageAnnualReturnYear10 4.61%
Investor Class and Class H | Energy Services Fund  
Prospectus: rr_ProspectusTable  
Risk/Return [Heading] rr_RiskReturnHeading ENERGY SERVICES FUND
Objective [Heading] rr_ObjectiveHeading INVESTMENT OBJECTIVE
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock
The Energy Services Fund (the “Fund”) seeks to provide capital appreciation by investing in companies that are involved in the energy services field, including those that provide services and equipment in the areas of oil, coal, and gas exploration and production (“Energy Services Companies”).
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 Investor Class shares or Class H shares of the Fund.
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 494% 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 494.00%
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.
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption 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:
Strategy [Heading] rr_StrategyHeading PRINCIPAL INVESTMENT STRATEGIES
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock
Under normal circumstances, the Fund invests substantially all (at least 80%) of its net assets in equity securities of Energy Services Companies that are traded in the United States and in derivatives, which primarily consist of futures contracts and options on securities, futures contracts, and stock indices. The Fund may invest to a significant extent in the securities of Energy Services Companies that have small to mid-sized capitalizations. Energy Services Companies are engaged in one or more businesses in the energy services field, including those that provide services and equipment to companies engaged in the production, refinement or distribution of oil, gas, electricity, and coal; companies involved with the production and development of newer sources of energy such as nuclear, geothermal, oil shale, and solar power; companies involved with onshore or offshore drilling; companies involved in production and well maintenance; companies involved in exploration engineering, data and technology; companies involved in energy transport; and companies involved in equipment and plant design or construction. The Fund also may purchase American Depositary Receipts (“ADRs”) to gain exposure to foreign Energy Services Companies and U.S. government securities.
Investments in derivative instruments, such as futures and options, have the economic effect of creating financial leverage in the Fund’s portfolio because such investments may give rise to losses that exceed the amount the Fund has invested in those instruments. Financial leverage will magnify, sometimes significantly, the Fund’s exposure to any increase or decrease in prices associated with a particular reference asset resulting in increased volatility in the value of the Fund’s portfolio. The value of the Fund’s portfolio is likely to experience greater volatility over short-term periods. While such financial leverage has the potential to produce greater gains, it also may result in greater losses, which in some cases may cause the Fund to liquidate other portfolio investments at a loss to comply with limits on leverage and asset segregation requirements imposed by the Investment Company Act of 1940 or to meet redemption requests.

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 invests in the securities of a limited number of issuers conducting business in the energy services sector and, therefore, may be concentrated in an industry or group of industries within the energy services sector. 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.
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 the principal risks described below.

ACTIVE TRADING RISK—The Fund may be used as a tool for certain investors that employ trading strategies involving frequent trading. Such trading strategies may lead to increased portfolio turnover in the Fund, higher transaction costs, and the possibility of increased short-term capital gains (which will be taxable to shareholders as ordinary income when distributed to them) and/or long-term capital gains. Large movements of assets into and out of the Fund due to active or frequent trading also may adversely affect the Fund's ability to achieve its investment objective.

DEPOSITARY RECEIPT RISKThe Fund may hold the securities of non-U.S. companies in the form of ADRs. The underlying securities of the ADRs in the Fund’s portfolio are subject to fluctuations in foreign currency exchange rates that may affect the value of the Fund’s portfolio. In addition, the value of the securities underlying the ADRs may change materially when the U.S. markets are not open for trading. Investments in the underlying foreign securities also involve political and economic risks distinct from those associated with investing in the securities of U.S. issuers.

DERIVATIVES RISKThe Fund’s investments in derivatives may pose risks in addition to and greater than those associated with investing directly in securities or other investments, including risks relating to leverage, imperfect correlations with underlying investments or the Fund’s other portfolio holdings, high price volatility, lack of availability, counterparty credit, liquidity, valuation and legal restrictions. Their use is a highly specialized activity that involves investment techniques and risks different from those associated with ordinary portfolio securities transactions. If the Advisor is incorrect about its expectations of market conditions, the use of derivatives could also result in a loss, which in some cases may be unlimited. Certain risks are specific to the derivatives in which the Fund invests.

FUTURES CONTRACTS RISKFutures contracts are typically exchange-traded contracts that call for the future delivery of an asset at a certain price and date, or cash settlement of the terms of the contract. Risks of futures contracts may be caused by an imperfect correlation between movements in the price of the instruments and the price of the underlying securities. In addition, there is the risk that the Fund may not be able to enter into a closing transaction because of an illiquid market. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Futures markets are highly volatile and the use of futures may increase the volatility of the Fund’s NAV. Futures are also subject to leverage risks and to liquidity risk.

OPTIONS RISKOptions or options on futures contracts give the holder of the option the right to buy (or to sell) a position in a security or in a contract to the writer of the option, at a certain price. They are subject to correlation risk because there may be an imperfect correlation between the options and the securities markets that cause a given transaction to fail to achieve its objectives. The successful use of options depends on the Advisor’s ability to correctly predict future price fluctuations and the degree of correlation between the options and securities markets. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Options are also particularly subject to leverage risk and can be subject to liquidity risk.

EARLY CLOSING RISKThe 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.

EQUITY RISKThe Fund is subject to the risk that the value of the equity securities or equity-based derivatives in the Fund’s portfolio will decline due to volatility in the equity market caused by general market and economic conditions, perceptions regarding particular industries represented in the equity market, or factors relating to specific companies to which the Fund has investment exposure.

ENERGY SERVICES SECTOR RISKTo the extent that the Fund’s investments are exposed to issuers conducting business in the energy services sector, the Fund is subject to the risk that the securities of such issuers will underperform the market as a whole due to legislative or regulatory changes, adverse market conditions and/or increased competition affecting that economic sector. The prices of the securities of Energy Services Companies also may fluctuate widely in response to such events.

FOREIGN ISSUER EXPOSURE RISKThe Fund may invest in securities of foreign companies directly, or in financial instruments that are indirectly linked to the performance of foreign issuers, such as ADRs. The Fund’s exposure to foreign issuers and investments in foreign securities, if any, are subject to additional risks in comparison to U.S. securities and U.S. issuers, including currency fluctuations, adverse political and economic developments, unreliable or untimely information, less liquidity, limited legal recourse and higher transactional costs.

MARKET RISKThe market value of the securities and derivatives held by the Fund may fluctuate resulting from factors affecting the individual company or other factors such as changing economic, political or financial market conditions. Moreover, changing economic, political or financial market conditions in one country or geographic region could adversely impact the market value of the securities held by the Fund in a different country or geographic region.

MID-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that medium-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

NON-DIVERSIFICATION RISKThe 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.

PORTFOLIO TURNOVER RISKThe Fund’s strategy may frequently involve buying and selling portfolio securities, which may lead to increased costs to the Fund. Portfolio turnover risk may cause the Fund’s performance to be less than you expect.

SMALL-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that small-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

TEMPORARY DEFENSIVE INVESTMENT RISKThe 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 RISKIf 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 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.
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 Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index. Effective upon the close of business on September 30, 2015, the Fund converted its existing Advisor Class shares to Class H shares. For periods prior to September 30, 2015, the performance shown reflects the performance of Advisor Class shares. The returns shown have not been adjusted to reflect any differences in expenses between Advisor Class shares and Class H shares. However, the Fund's Class H shares would have annual returns substantially similar to those of the Fund's former Advisor Class shares because they are invested in the same portfolio of securities and have a similar expense structure to the former Advisor Class shares. The figures in the bar chart and tables assume the reinvestment of dividends and capital gains distributions. 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.guggenheiminvestments.com or by calling Guggenheim Investments Client Services at 800.820.0888.

Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following bar chart shows the performance of the Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone 800.820.0888
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.guggenheiminvestments.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 Investor Class shares is based on a calendar year. The year-to-date return for the period from January 1, 2015 through June 30, 2015 is -5.20%.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Highest Quarter Return
 
Lowest Quarter Return
 
Q2 2009
31.75%
 
Q4 2008
-47.14
 %
Performance Table Heading rr_PerformanceTableHeading AVERAGE ANNUAL TOTAL RETURN (for periods ended December 31, 2014)
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. Your actual after-tax returns will depend on your specific tax situation and may differ from those shown below.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred 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.
Investor Class and Class H | Energy Services Fund | S&P 500 Index  
Prospectus: rr_ProspectusTable  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes reflects no deduction for fees, expenses or taxes
Label rr_AverageAnnualReturnLabel S&P 500® Index (reflects no deduction for fees, expenses or taxes)
1 Year rr_AverageAnnualReturnYear01 13.69%
5 Years rr_AverageAnnualReturnYear05 15.45%
10 Years rr_AverageAnnualReturnYear10 7.67%
Investor Class and Class H | Energy Services Fund | Investor Class  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYVIX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.85% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.51% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.36% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 138
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 431
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 745
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,635
Annual Return 2005 rr_AnnualReturn2005 48.53%
Annual Return 2006 rr_AnnualReturn2006 11.15%
Annual Return 2007 rr_AnnualReturn2007 37.36%
Annual Return 2008 rr_AnnualReturn2008 (57.59%)
Annual Return 2009 rr_AnnualReturn2009 63.24%
Annual Return 2010 rr_AnnualReturn2010 26.85%
Annual Return 2011 rr_AnnualReturn2011 (8.96%)
Annual Return 2012 rr_AnnualReturn2012 0.31%
Annual Return 2013 rr_AnnualReturn2013 24.29%
Annual Return 2014 rr_AnnualReturn2014 (29.35%)
Year to Date Return, Label rr_YearToDateReturnLabel year-to-date return
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Jun. 30, 2015
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn (5.20%)
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest Quarter Return
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Jun. 30, 2009
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 31.75%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest Quarter Return
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Dec. 31, 2008
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (47.14%)
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 (29.35%)
5 Years rr_AverageAnnualReturnYear05 0.34%
10 Years rr_AverageAnnualReturnYear10 4.79%
Investor Class and Class H | Energy Services Fund | Investor Class | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 (29.35%)
5 Years rr_AverageAnnualReturnYear05 0.34%
10 Years rr_AverageAnnualReturnYear10 4.79%
Investor Class and Class H | Energy Services Fund | Investor Class | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 (16.61%)
5 Years rr_AverageAnnualReturnYear05 0.26%
10 Years rr_AverageAnnualReturnYear10 3.82%
Investor Class and Class H | Energy Services Fund | Class H  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYVAX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.85% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25% [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.51% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.61% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 164
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 508
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 876
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,911
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 (29.70%)
5 Years rr_AverageAnnualReturnYear05 (0.16%)
10 Years rr_AverageAnnualReturnYear10 4.27%
Investor Class and Class H | Energy Services Fund | Class H | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 (29.70%)
5 Years rr_AverageAnnualReturnYear05 (0.16%)
10 Years rr_AverageAnnualReturnYear10 4.27%
Investor Class and Class H | Energy Services Fund | Class H | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 (16.81%)
5 Years rr_AverageAnnualReturnYear05 (0.12%)
10 Years rr_AverageAnnualReturnYear10 3.39%
Investor Class and Class H | Financial Services Fund  
Prospectus: rr_ProspectusTable  
Risk/Return [Heading] rr_RiskReturnHeading FINANCIAL SERVICES FUND
Objective [Heading] rr_ObjectiveHeading INVESTMENT OBJECTIVE
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock
The Financial Services Fund (the “Fund”) seeks to provide capital appreciation by investing in companies that are involved in the financial services sector (“Financial Services Companies”).
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 Investor Class shares or Class H shares of the Fund.
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 326% 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 326.00%
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.
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption 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:
Strategy [Heading] rr_StrategyHeading PRINCIPAL INVESTMENT STRATEGIES
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock
Under normal circumstances, the Fund invests substantially all (at least 80%) of its net assets in equity securities of Financial Services Companies that are traded in the United States and in derivatives, which primarily consist of futures contracts and options on securities, futures contracts, and stock indices. The Fund may invest to a significant extent in the securities of Financial Services Companies that have small to mid-sized capitalizations. Financial Service Companies include commercial banks, savings and loan associations, insurance companies, brokerage companies and real-estate investment trusts. The Fund also may purchase American Depositary Receipts (“ADRs”) to gain exposure to foreign Financial Services Companies and U.S. government securities. Under U.S. Securities and Exchange Commission regulations, the Fund may not invest more than 5% of its total assets in the equity securities of any company that derives more than 15% of its revenues from brokerage or investment management activities.
Investments in derivative instruments, such as futures and options, have the economic effect of creating financial leverage in the Fund’s portfolio because such investments may give rise to losses that exceed the amount the Fund has invested in those instruments. Financial leverage will magnify, sometimes significantly, the Fund’s exposure to any increase or decrease in prices associated with a particular reference asset resulting in increased volatility in the value of the Fund’s portfolio. The value of the Fund’s portfolio is likely to experience greater volatility over short-term periods. While such financial leverage has the potential to produce greater gains, it also may result in greater losses, which in some cases may cause the Fund to liquidate other portfolio investments at a loss to comply with limits on leverage and asset segregation requirements imposed by the Investment Company Act of 1940 or to meet redemption requests.

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 invests in the securities of a limited number of issuers conducting business in the financial services sector and, therefore, may be concentrated in an industry or group of industries within the financial services sector. 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.
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 the principal risks described below.

ACTIVE TRADING RISK—The Fund may be used as a tool for certain investors that employ trading strategies involving frequent trading. Such trading strategies may lead to increased portfolio turnover in the Fund, higher transaction costs, and the possibility of increased short-term capital gains (which will be taxable to shareholders as ordinary income when distributed to them) and/or long-term capital gains. Large movements of assets into and out of the Fund due to active or frequent trading also may adversely affect the Fund's ability to achieve its investment objective.

DEPOSITARY RECEIPT RISK—The Fund may hold the securities of non-U.S. companies in the form of ADRs. The underlying securities of the ADRs in the Fund’s portfolio are subject to fluctuations in foreign currency exchange rates that may affect the value of the Fund’s portfolio. In addition, the value of the securities underlying the ADRs may change materially when the U.S. markets are not open for trading. Investments in the underlying foreign securities also involve political and economic risks distinct from those associated with investing in the securities of U.S. issuers.

DERIVATIVES RISK—The Fund’s investments in derivatives may pose risks in addition to and greater than those associated with investing directly in securities or other investments, including risks relating to leverage, imperfect correlations with underlying investments or the Fund’s other portfolio holdings, high price volatility, lack of availability, counterparty credit, liquidity, valuation and legal restrictions. Their use is a highly specialized activity that involves investment techniques and risks different from those associated with ordinary portfolio securities transactions. If the Advisor is incorrect about its expectations of market conditions, the use of derivatives could also result in a loss, which in some cases may be unlimited. Certain risks are specific to the derivatives in which the Fund invests.

FUTURES CONTRACTS RISKFutures contracts are typically exchange-traded contracts that call for the future delivery of an asset at a certain price and date, or cash settlement of the terms of the contract. Risks of futures contracts may be caused by an imperfect correlation between movements in the price of the instruments and the price of the underlying securities. In addition, there is the risk that the Fund may not be able to enter into a closing transaction because of an illiquid market. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Futures markets are highly volatile and the use of futures may increase the volatility of the Fund’s NAV. Futures are also subject to leverage risks and to liquidity risk.

OPTIONS RISKOptions or options on futures contracts give the holder of the option the right to buy (or to sell) a position in a security or in a contract to the writer of the option, at a certain price. They are subject to correlation risk because there may be an imperfect correlation between the options and the securities markets that cause a given transaction to fail to achieve its objectives. The successful use of options depends on the Advisor’s ability to correctly predict future price fluctuations and the degree of correlation between the options and securities markets. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Options are also particularly subject to leverage risk and can be subject to liquidity risk.

EARLY CLOSING RISKThe 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.

EQUITY RISKThe Fund is subject to the risk that the value of the equity securities or equity-based derivatives in the Fund’s portfolio will decline due to volatility in the equity market caused by general market and economic conditions, perceptions regarding particular industries represented in the equity market, or factors relating to specific companies to which the Fund has investment exposure.

FINANCIAL SERVICES SECTOR RISKTo the extent that the Fund’s investments are exposed to issuers conducting business in the financial services sector, the Fund is subject to the risk that the securities of such issuers will underperform the market as a whole due to legislative or regulatory changes, adverse market conditions and/or increased competition affecting that economic sector. The prices of the securities of Financial Services Companies also may fluctuate widely in response to such events.

FOREIGN ISSUER EXPOSURE RISKThe Fund may invest in securities of foreign companies directly, or in financial instruments that are indirectly linked to the performance of foreign issuers, such as ADRs. The Fund’s exposure to foreign issuers and investments in foreign securities, if any, are subject to additional risks in comparison to U.S. securities and U.S. issuers, including currency fluctuations, adverse political and economic developments, unreliable or untimely information, less liquidity, limited legal recourse and higher transactional costs.

MARKET RISKThe market value of the securities and derivatives held by the Fund may fluctuate resulting from factors affecting the individual company or other factors such as changing economic, political or financial market conditions. Moreover, changing economic, political or financial market conditions in one country or geographic region could adversely impact the market value of the securities held by the Fund in a different country or geographic region.

MID-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that medium-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

NON-DIVERSIFICATION RISKThe 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.

PORTFOLIO TURNOVER RISKThe Fund’s strategy may frequently involve buying and selling portfolio securities, which may lead to increased costs to the Fund. Portfolio turnover risk may cause the Fund’s performance to be less than you expect.

SMALL-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that small-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

TEMPORARY DEFENSIVE INVESTMENT RISKThe 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 RISKIf 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 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.
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 Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index. Effective upon the close of business on September 30, 2015, the Fund converted its existing Advisor Class shares to Class H shares. For periods prior to September 30, 2015, the performance shown reflects the performance of Advisor Class shares. The returns shown have not been adjusted to reflect any differences in expenses between Advisor Class shares and Class H shares. However, the Fund's Class H shares would have annual returns substantially similar to those of the Fund's former Advisor Class shares because they are invested in the same portfolio of securities and have a similar expense structure to the former Advisor Class shares. The figures in the bar chart and tables assume the reinvestment of dividends and capital gains distributions. 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.guggenheiminvestments.com or by calling Guggenheim Investments Client Services at 800.820.0888.

Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following bar chart shows the performance of the Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone 800.820.0888
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.guggenheiminvestments.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 Investor Class shares is based on a calendar year. The year-to-date return for the period from January 1, 2015 through June 30, 2015 is -0.77%.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Highest Quarter Return
 
Lowest Quarter Return
 
Q2 2009
26.00%
 
Q4 2008
-31.71
 %

Performance Table Heading rr_PerformanceTableHeading AVERAGE ANNUAL TOTAL RETURN (for periods ended December 31, 2014)
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. Your actual after-tax returns will depend on your specific tax situation and may differ from those shown below.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred 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.
Investor Class and Class H | Financial Services Fund | S&P 500 Index  
Prospectus: rr_ProspectusTable  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes reflects no deduction for fees, expenses or taxes
Label rr_AverageAnnualReturnLabel S&P 500® Index (reflects no deduction for fees, expenses or taxes)
1 Year rr_AverageAnnualReturnYear01 13.69%
5 Years rr_AverageAnnualReturnYear05 15.45%
10 Years rr_AverageAnnualReturnYear10 7.67%
Investor Class and Class H | Financial Services Fund | Investor Class  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYFIX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.85% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.49% [2]
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.04% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.38% [1],[2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 141
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 437
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 755
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,657
Annual Return 2005 rr_AnnualReturn2005 3.34%
Annual Return 2006 rr_AnnualReturn2006 16.10%
Annual Return 2007 rr_AnnualReturn2007 (18.89%)
Annual Return 2008 rr_AnnualReturn2008 (47.78%)
Annual Return 2009 rr_AnnualReturn2009 19.48%
Annual Return 2010 rr_AnnualReturn2010 14.78%
Annual Return 2011 rr_AnnualReturn2011 (14.43%)
Annual Return 2012 rr_AnnualReturn2012 22.90%
Annual Return 2013 rr_AnnualReturn2013 27.47%
Annual Return 2014 rr_AnnualReturn2014 12.58%
Year to Date Return, Label rr_YearToDateReturnLabel year-to-date return
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Jun. 30, 2015
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn (0.77%)
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest Quarter Return
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Jun. 30, 2009
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 26.00%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest Quarter Return
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Dec. 31, 2008
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (31.71%)
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 12.58%
5 Years rr_AverageAnnualReturnYear05 11.62%
10 Years rr_AverageAnnualReturnYear10 0.51%
Investor Class and Class H | Financial Services Fund | Investor Class | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 12.47%
5 Years rr_AverageAnnualReturnYear05 11.38%
10 Years rr_AverageAnnualReturnYear10 0.13%
Investor Class and Class H | Financial Services Fund | Investor Class | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 7.12%
5 Years rr_AverageAnnualReturnYear05 9.15%
10 Years rr_AverageAnnualReturnYear10 0.21%
Investor Class and Class H | Financial Services Fund | Class H  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYFAX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.85% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25% [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.50% [2]
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.04% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.64% [1],[2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 167
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 517
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 892
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,944
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 12.03%
5 Years rr_AverageAnnualReturnYear05 11.06%
10 Years rr_AverageAnnualReturnYear10 (0.01%)
Investor Class and Class H | Financial Services Fund | Class H | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 11.91%
5 Years rr_AverageAnnualReturnYear05 10.81%
10 Years rr_AverageAnnualReturnYear10 (0.41%)
Investor Class and Class H | Financial Services Fund | Class H | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 6.81%
5 Years rr_AverageAnnualReturnYear05 8.69%
10 Years rr_AverageAnnualReturnYear10 (0.19%)
Investor Class and Class H | Health Care Fund  
Prospectus: rr_ProspectusTable  
Risk/Return [Heading] rr_RiskReturnHeading HEALTH CARE FUND
Objective [Heading] rr_ObjectiveHeading INVESTMENT OBJECTIVE
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock
The Health Care Fund (the “Fund”) seeks to provide capital appreciation by investing in companies that are involved in the health care industry (“Health Care Companies”).
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 Investor Class shares or Class H shares of the Fund.
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 176% 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 176.00%
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.
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption 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:
Strategy [Heading] rr_StrategyHeading PRINCIPAL INVESTMENT STRATEGIES
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock
Under normal circumstances, the Fund invests substantially all (at least 80%) of its net assets in equity securities of Health Care Companies that are traded in the United States and in derivatives, which primarily consist of futures contracts and options on securities, futures contracts, and stock indices. The Fund may invest to a significant extent in the securities of Health Care Companies that have small to mid-sized capitalizations. Health Care Companies include pharmaceutical companies, companies involved in the research and development of pharmaceutical products and services, companies involved in the operation of health care facilities, and other companies involved in the design, manufacture, or sale of health care related products or services. The Fund also may purchase American Depositary Receipts (“ADRs”) to gain exposure to foreign Health Care Companies and U.S. government securities.
Investments in derivative instruments, such as futures and options, have the economic effect of creating financial leverage in the Fund’s portfolio because such investments may give rise to losses that exceed the amount the Fund has invested in those instruments. Financial leverage will magnify, sometimes significantly, the Fund’s exposure to any increase or decrease in prices associated with a particular reference asset resulting in increased volatility in the value of the Fund’s portfolio. The value of the Fund’s portfolio is likely to experience greater volatility over short-term periods. While such financial leverage has the potential to produce greater gains, it also may result in greater losses, which in some cases may cause the Fund to liquidate other portfolio investments at a loss to comply with limits on leverage and asset segregation requirements imposed by the Investment Company Act of 1940 or to meet redemption requests.

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 invests in the securities of a limited number of issuers conducting business in the health care sector and, therefore, may be concentrated in an industry or group of industries within the health care sector. 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.
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 the principal risks described below.

ACTIVE TRADING RISK—The Fund may be used as a tool for certain investors that employ trading strategies involving frequent trading. Such trading strategies may lead to increased portfolio turnover in the Fund, higher transaction costs, and the possibility of increased short-term capital gains (which will be taxable to shareholders as ordinary income when distributed to them) and/or long-term capital gains. Large movements of assets into and out of the Fund due to active or frequent trading also may adversely affect the Fund's ability to achieve its investment objective.

DEPOSITARY RECEIPT RISKThe Fund may hold the securities of non-U.S. companies in the form of ADRs. The underlying securities of the ADRs in the Fund’s portfolio are subject to fluctuations in foreign currency exchange rates that may affect the value of the Fund’s portfolio. In addition, the value of the securities underlying the ADRs may change materially when the U.S. markets are not open for trading. Investments in the underlying foreign securities also involve political and economic risks distinct from those associated with investing in the securities of U.S. issuers.

DERIVATIVES RISKThe Fund’s investments in derivatives may pose risks in addition to and greater than those associated with investing directly in securities or other investments, including risks relating to leverage, imperfect correlations with underlying investments or the Fund’s other portfolio holdings, high price volatility, lack of availability, counterparty credit, liquidity, valuation and legal restrictions. Their use is a highly specialized activity that involves investment techniques and risks different from those associated with ordinary portfolio securities transactions. If the Advisor is incorrect about its expectations of market conditions, the use of derivatives could also result in a loss, which in some cases may be unlimited. Certain risks are specific to the derivatives in which the Fund invests.

FUTURES CONTRACTS RISKFutures contracts are typically exchange-traded contracts that call for the future delivery of an asset at a certain price and date, or cash settlement of the terms of the contract. Risks of futures contracts may be caused by an imperfect correlation between movements in the price of the instruments and the price of the underlying securities. In addition, there is the risk that the Fund may not be able to enter into a closing transaction because of an illiquid market. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Futures markets are highly volatile and the use of futures may increase the volatility of the Fund’s NAV. Futures are also subject to leverage risks and to liquidity risk.

OPTIONS RISKOptions or options on futures contracts give the holder of the option the right to buy (or to sell) a position in a security or in a contract to the writer of the option, at a certain price. They are subject to correlation risk because there may be an imperfect correlation between the options and the securities markets that cause a given transaction to fail to achieve its objectives. The successful use of options depends on the Advisor’s ability to correctly predict future price fluctuations and the degree of correlation between the options and securities markets. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Options are also particularly subject to leverage risk and can be subject to liquidity risk.

EARLY CLOSING RISKThe 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.

EQUITY RISKThe Fund is subject to the risk that the value of the equity securities or equity-based derivatives in the Fund’s portfolio will decline due to volatility in the equity market caused by general market and economic conditions, perceptions regarding particular industries represented in the equity market, or factors relating to specific companies to which the Fund has investment exposure.

FOREIGN ISSUER EXPOSURE RISKThe Fund may invest in securities of foreign companies directly, or in financial instruments that are indirectly linked to the performance of foreign issuers, such as ADRs. The Fund’s exposure to foreign issuers and investments in foreign securities, if any, are subject to additional risks in comparison to U.S. securities and U.S. issuers, including currency fluctuations, adverse political and economic developments, unreliable or untimely information, less liquidity, limited legal recourse and higher transactional costs.

HEALTH CARE SECTOR RISKTo the extent that the Fund’s investments are exposed to issuers conducting business in the health care sector, the Fund is subject to the risk that the securities of such issuers will underperform the market as a whole due to legislative or regulatory changes, adverse market conditions and/or increased competition affecting that economic sector. The prices of the securities of Health Care Companies also may fluctuate widely in response to such events.

MARKET RISKThe market value of the securities and derivatives held by the Fund may fluctuate resulting from factors affecting the individual company or other factors such as changing economic, political or financial market conditions. Moreover, changing economic, political or financial market conditions in one country or geographic region could adversely impact the market value of the securities held by the Fund in a different country or geographic region.

MID-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that medium-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

NON-DIVERSIFICATION RISKThe 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.

PORTFOLIO TURNOVER RISKThe Fund’s strategy may frequently involve buying and selling portfolio securities, which may lead to increased costs to the Fund. Portfolio turnover risk may cause the Fund’s performance to be less than you expect.

SMALL-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that small-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

TEMPORARY DEFENSIVE INVESTMENT RISKThe 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 RISKIf 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 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.
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 Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index. Effective upon the close of business on September 30, 2015, the Fund converted its existing Advisor Class shares to Class H shares. For periods prior to September 30, 2015, the performance shown reflects the performance of Advisor Class shares. The returns shown have not been adjusted to reflect any differences in expenses between Advisor Class shares and Class H shares. However, the Fund's Class H shares would have annual returns substantially similar to those of the Fund's former Advisor Class shares because they are invested in the same portfolio of securities and have a similar expense structure to the former Advisor Class shares. The figures in the bar chart and tables assume the reinvestment of dividends and capital gains distributions. 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.guggenheiminvestments.com or by calling Guggenheim Investments Client Services at 800.820.0888.

Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following bar chart shows the performance of the Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone 800.820.0888
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.guggenheiminvestments.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 Investor Class shares is based on a calendar year. The year-to-date return for the period from January 1, 2015 through June 30, 2015 is 14.69%.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Highest Quarter Return
 
Lowest Quarter Return
 
Q1 2013
14.15%
 
Q4 2008
-15.61
 %
Performance Table Heading rr_PerformanceTableHeading AVERAGE ANNUAL TOTAL RETURN (for periods ended December 31, 2014)
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. Your actual after-tax returns will depend on your specific tax situation and may differ from those shown below.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred 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.
Investor Class and Class H | Health Care Fund | S&P 500 Index  
Prospectus: rr_ProspectusTable  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes reflects no deduction for fees, expenses or taxes
Label rr_AverageAnnualReturnLabel S&P 500® Index (reflects no deduction for fees, expenses or taxes)
1 Year rr_AverageAnnualReturnYear01 13.69%
5 Years rr_AverageAnnualReturnYear05 15.45%
10 Years rr_AverageAnnualReturnYear10 7.67%
Investor Class and Class H | Health Care Fund | Investor Class  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYHIX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.85% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.49% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.34% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 136
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 425
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 734
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,613
Annual Return 2005 rr_AnnualReturn2005 10.62%
Annual Return 2006 rr_AnnualReturn2006 4.70%
Annual Return 2007 rr_AnnualReturn2007 6.22%
Annual Return 2008 rr_AnnualReturn2008 (24.70%)
Annual Return 2009 rr_AnnualReturn2009 25.10%
Annual Return 2010 rr_AnnualReturn2010 6.76%
Annual Return 2011 rr_AnnualReturn2011 4.70%
Annual Return 2012 rr_AnnualReturn2012 17.53%
Annual Return 2013 rr_AnnualReturn2013 42.31%
Annual Return 2014 rr_AnnualReturn2014 24.89%
Year to Date Return, Label rr_YearToDateReturnLabel year-to-date return
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Jun. 30, 2015
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn 14.69%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest Quarter Return
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Mar. 31, 2013
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 14.15%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest Quarter Return
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Dec. 31, 2008
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (15.61%)
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 24.89%
5 Years rr_AverageAnnualReturnYear05 18.48%
10 Years rr_AverageAnnualReturnYear10 10.47%
Investor Class and Class H | Health Care Fund | Investor Class | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 24.51%
5 Years rr_AverageAnnualReturnYear05 18.06%
10 Years rr_AverageAnnualReturnYear10 10.27%
Investor Class and Class H | Health Care Fund | Investor Class | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 14.30%
5 Years rr_AverageAnnualReturnYear05 14.98%
10 Years rr_AverageAnnualReturnYear10 8.64%
Investor Class and Class H | Health Care Fund | Class H  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYHAX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.85% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25% [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.50% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.60% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 163
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 505
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 871
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,900
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 24.30%
5 Years rr_AverageAnnualReturnYear05 17.94%
10 Years rr_AverageAnnualReturnYear10 9.93%
Investor Class and Class H | Health Care Fund | Class H | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 23.89%
5 Years rr_AverageAnnualReturnYear05 17.49%
10 Years rr_AverageAnnualReturnYear10 9.71%
Investor Class and Class H | Health Care Fund | Class H | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 13.99%
5 Years rr_AverageAnnualReturnYear05 14.51%
10 Years rr_AverageAnnualReturnYear10 8.16%
Investor Class and Class H | Internet Fund  
Prospectus: rr_ProspectusTable  
Risk/Return [Heading] rr_RiskReturnHeading INTERNET FUND     
Objective [Heading] rr_ObjectiveHeading INVESTMENT OBJECTIVE
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock
The Internet Fund (the “Fund”) seeks to provide capital appreciation by investing in companies that provide products or services designed for or related to the Internet (“Internet Companies”).
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 Investor Class shares or Class H shares of the Fund.
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 495% 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 495.00%
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.
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption 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:
Strategy [Heading] rr_StrategyHeading PRINCIPAL INVESTMENT STRATEGIES
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock
Under normal circumstances, the Fund invests substantially all (at least 80%) of its net assets in equity securities of Internet Companies that are traded in the United States and in derivatives, which primarily consist of futures contracts and options on securities, futures contracts, and stock indices. The Fund may invest to a significant extent in the securities of Internet Companies that have small to mid-sized capitalizations. Internet Companies are involved in all aspects of research, design development, manufacturing or distribution of products or services for use with the Internet or Internet related businesses. Such companies may provide information or entertainment services over the Internet; sell or distribute goods and services over the Internet; provide infrastructure systems or otherwise provide hardware, software or support that impacts Internet commerce; or provide Internet access to consumers and businesses. Internet companies also may include companies that provide Intranet and Extranet services. The Fund will maintain broad representation of the various industries in the Internet sector. The Fund also may purchase American Depositary Receipts (“ADRs”) to gain exposure to foreign Internet Companies and U.S. government securities.
Investments in derivative instruments, such as futures and options, have the economic effect of creating financial leverage in the Fund’s portfolio because such investments may give rise to losses that exceed the amount the Fund has invested in those instruments. Financial leverage will magnify, sometimes significantly, the Fund’s exposure to any increase or decrease in prices associated with a particular reference asset resulting in increased volatility in the value of the Fund’s portfolio. The value of the Fund’s portfolio is likely to experience greater volatility over short-term periods. While such financial leverage has the potential to produce greater gains, it also may result in greater losses, which in some cases may cause the Fund to liquidate other portfolio investments at a loss to comply with limits on leverage and asset segregation requirements imposed by the Investment Company Act of 1940 or to meet redemption requests.

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 invests in the securities of a limited number of issuers conducting business in the Internet sector and, therefore, may be concentrated in an industry or group of industries within the Internet sector. 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.
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 the principal risks described below.

ACTIVE TRADING RISK—The Fund may be used as a tool for certain investors that employ trading strategies involving frequent trading. Such trading strategies may lead to increased portfolio turnover in the Fund, higher transaction costs, and the possibility of increased short-term capital gains (which will be taxable to shareholders as ordinary income when distributed to them) and/or long-term capital gains. Large movements of assets into and out of the Fund due to active or frequent trading also may adversely affect the Fund's ability to achieve its investment objective.

DEPOSITARY RECEIPT RISKThe Fund may hold the securities of non-U.S. companies in the form of ADRs. The underlying securities of the ADRs in the Fund’s portfolio are subject to fluctuations in foreign currency exchange rates that may affect the value of the Fund’s portfolio. In addition, the value of the securities underlying the ADRs may change materially when the U.S. markets are not open for trading. Investments in the underlying foreign securities also involve political and economic risks distinct from those associated with investing in the securities of U.S. issuers.

DERIVATIVES RISKThe Fund’s investments in derivatives may pose risks in addition to and greater than those associated with investing directly in securities or other investments, including risks relating to leverage, imperfect correlations with underlying investments or the Fund’s other portfolio holdings, high price volatility, lack of availability, counterparty credit, liquidity, valuation and legal restrictions. Their use is a highly specialized activity that involves investment techniques and risks different from those associated with ordinary portfolio securities transactions. If the Advisor is incorrect about its expectations of market conditions, the use of derivatives could also result in a loss, which in some cases may be unlimited. Certain risks are specific to the derivatives in which the Fund invests.

FUTURES CONTRACTS RISKFutures contracts are typically exchange-traded contracts that call for the future delivery of an asset at a certain price and date, or cash settlement of the terms of the contract. Risks of futures contracts may be caused by an imperfect correlation between movements in the price of the instruments and the price of the underlying securities. In addition, there is the risk that the Fund may not be able to enter into a closing transaction because of an illiquid market. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Futures markets are highly volatile and the use of futures may increase the volatility of the Fund’s NAV. Futures are also subject to leverage risks and to liquidity risk.

OPTIONS RISKOptions or options on futures contracts give the holder of the option the right to buy (or to sell) a position in a security or in a contract to the writer of the option, at a certain price. They are subject to correlation risk because there may be an imperfect correlation between the options and the securities markets that cause a given transaction to fail to achieve its objectives. The successful use of options depends on the Advisor’s ability to correctly predict future price fluctuations and the degree of correlation between the options and securities markets. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Options are also particularly subject to leverage risk and can be subject to liquidity risk.

EARLY CLOSING RISKThe 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.

EQUITY RISKThe Fund is subject to the risk that the value of the equity securities or equity-based derivatives in the Fund’s portfolio will decline due to volatility in the equity market caused by general market and economic conditions, perceptions regarding particular industries represented in the equity market, or factors relating to specific companies to which the Fund has investment exposure.

FOREIGN ISSUER EXPOSURE RISKThe Fund may invest in securities of foreign companies directly, or in financial instruments that are indirectly linked to the performance of foreign issuers, such as ADRs. The Fund’s exposure to foreign issuers and investments in foreign securities, if any, are subject to additional risks in comparison to U.S. securities and U.S. issuers, including currency fluctuations, adverse political and economic developments, unreliable or untimely information, less liquidity, limited legal recourse and higher transactional costs.

INTERNET SECTOR RISKTo the extent that the Fund’s investments are exposed to issuers conducting business in the Internet sector, the Fund is subject to the risk that the securities of such issuers will underperform the market as a whole due to legislative or regulatory changes, adverse market conditions and/or increased competition affecting that economic sector. The prices of the securities of Internet Companies also may fluctuate widely in response to such events.

MARKET RISKThe market value of the securities and derivatives held by the Fund may fluctuate resulting from factors affecting the individual company or other factors such as changing economic, political or financial market conditions. Moreover, changing economic, political or financial market conditions in one country or geographic region could adversely impact the market value of the securities held by the Fund in a different country or geographic region.

MID-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that medium-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

NON-DIVERSIFICATION RISKThe 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.

PORTFOLIO TURNOVER RISKThe Fund’s strategy may frequently involve buying and selling portfolio securities, which may lead to increased costs to the Fund. Portfolio turnover risk may cause the Fund’s performance to be less than you expect.

SMALL-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that small-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

TEMPORARY DEFENSIVE INVESTMENT RISKThe 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 RISKIf 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 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.
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 Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index. Effective upon the close of business on September 30, 2015, the Fund converted its existing Advisor Class shares to Class H shares. For periods prior to September 30, 2015, the performance shown reflects the performance of Advisor Class shares. The returns shown have not been adjusted to reflect any differences in expenses between Advisor Class shares and Class H shares. However, the Fund's Class H shares would have annual returns substantially similar to those of the Fund's former Advisor Class shares because they are invested in the same portfolio of securities and have a similar expense structure to the former Advisor Class shares. The figures in the bar chart and tables assume the reinvestment of dividends and capital gains distributions. 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.guggenheiminvestments.com or by calling Guggenheim Investments Client Services at 800.820.0888.

Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following bar chart shows the performance of the Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone 800.820.0888
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.guggenheiminvestments.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 Investor Class shares is based on a calendar year. The year-to-date return for the period from January 1, 2015 through June 30, 2015 is 5.36%.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Highest Quarter Return
 
Lowest Quarter Return
 
Q3 2010
23.35%
 
Q4 2008
-23.31
 %
Performance Table Heading rr_PerformanceTableHeading AVERAGE ANNUAL TOTAL RETURN (for periods ended December 31, 2014)
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. Your actual after-tax returns will depend on your specific tax situation and may differ from those shown below.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred 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.
Investor Class and Class H | Internet Fund | S&P 500 Index  
Prospectus: rr_ProspectusTable  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes reflects no deduction for fees, expenses or taxes
Label rr_AverageAnnualReturnLabel S&P 500® Index (reflects no deduction for fees, expenses or taxes)
1 Year rr_AverageAnnualReturnYear01 13.69%
5 Years rr_AverageAnnualReturnYear05 15.45%
10 Years rr_AverageAnnualReturnYear10 7.67%
Investor Class and Class H | Internet Fund | Investor Class  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYIIX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.85% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.50% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.35% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 137
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 428
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 739
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,624
Annual Return 2005 rr_AnnualReturn2005 (2.03%)
Annual Return 2006 rr_AnnualReturn2006 8.23%
Annual Return 2007 rr_AnnualReturn2007 11.57%
Annual Return 2008 rr_AnnualReturn2008 (44.79%)
Annual Return 2009 rr_AnnualReturn2009 65.42%
Annual Return 2010 rr_AnnualReturn2010 21.25%
Annual Return 2011 rr_AnnualReturn2011 (11.87%)
Annual Return 2012 rr_AnnualReturn2012 19.66%
Annual Return 2013 rr_AnnualReturn2013 51.64%
Annual Return 2014 rr_AnnualReturn2014 2.05%
Year to Date Return, Label rr_YearToDateReturnLabel year-to-date return
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Jun. 30, 2015
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn 5.36%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest Quarter Return
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Sep. 30, 2010
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 23.35%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest Quarter Return
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Dec. 31, 2008
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (23.31%)
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 2.05%
5 Years rr_AverageAnnualReturnYear05 14.62%
10 Years rr_AverageAnnualReturnYear10 7.89%
Investor Class and Class H | Internet Fund | Investor Class | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 0.95%
5 Years rr_AverageAnnualReturnYear05 14.26%
10 Years rr_AverageAnnualReturnYear10 7.64%
Investor Class and Class H | Internet Fund | Investor Class | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 1.17%
5 Years rr_AverageAnnualReturnYear05 11.67%
10 Years rr_AverageAnnualReturnYear10 6.32%
Investor Class and Class H | Internet Fund | Class H  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYIAX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.85% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25% [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.50% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.60% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 163
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 505
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 871
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,900
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 1.47%
5 Years rr_AverageAnnualReturnYear05 14.03%
10 Years rr_AverageAnnualReturnYear10 7.35%
Investor Class and Class H | Internet Fund | Class H | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 0.28%
5 Years rr_AverageAnnualReturnYear05 13.65%
10 Years rr_AverageAnnualReturnYear10 7.08%
Investor Class and Class H | Internet Fund | Class H | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 0.84%
5 Years rr_AverageAnnualReturnYear05 11.17%
10 Years rr_AverageAnnualReturnYear10 5.86%
Investor Class and Class H | Leisure Fund  
Prospectus: rr_ProspectusTable  
Risk/Return [Heading] rr_RiskReturnHeading LEISURE FUND
Objective [Heading] rr_ObjectiveHeading INVESTMENT OBJECTIVE
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock
The Leisure Fund (the “Fund”) seeks to provide capital appreciation by investing in companies engaged in leisure and entertainment businesses (“Leisure Companies”).
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 Investor Class shares or Class H shares of the Fund.
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 343% 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 343.00%
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.
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption 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:
Strategy [Heading] rr_StrategyHeading PRINCIPAL INVESTMENT STRATEGIES
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock
Under normal circumstances, the Fund invests substantially all (at least 80%) of its net assets in equity securities of Leisure Companies that are traded in the United States and in derivatives, which primarily consist of futures contracts and options on securities, futures contracts, and stock indices. The Fund may invest to a significant extent in the securities of Leisure Companies that have small to mid-sized capitalizations. Leisure Companies are engaged in the design, production, or distribution of goods or services in the leisure industries. Leisure Companies include hotels and resorts, restaurants, casinos, radio and television broadcasting and advertising companies, motion picture production companies, entertainment software companies, toys and sporting goods manufacturers, musical recording companies, alcohol and tobacco companies, and publishing companies. The Fund also may purchase American Depositary Receipts (“ADRs”) to gain exposure to foreign Leisure Companies and U.S. government securities.
Investments in derivative instruments, such as futures and options, have the economic effect of creating financial leverage in the Fund’s portfolio because such investments may give rise to losses that exceed the amount the Fund has invested in those instruments. Financial leverage will magnify, sometimes significantly, the Fund’s exposure to any increase or decrease in prices associated with a particular reference asset resulting in increased volatility in the value of the Fund’s portfolio. The value of the Fund’s portfolio is likely to experience greater volatility over short-term periods. While such financial leverage has the potential to produce greater gains, it also may result in greater losses, which in some cases may cause the Fund to liquidate other portfolio investments at a loss to comply with limits on leverage and asset segregation requirements imposed by the Investment Company Act of 1940 or to meet redemption requests.

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 invests in the securities of a limited number of issuers conducting business in the leisure sector and, therefore, may be concentrated in an industry or group of industries within the leisure sector. 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.
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 the principal risks described below.

ACTIVE TRADING RISK—The Fund may be used as a tool for certain investors that employ trading strategies involving frequent trading. Such trading strategies may lead to increased portfolio turnover in the Fund, higher transaction costs, and the possibility of increased short-term capital gains (which will be taxable to shareholders as ordinary income when distributed to them) and/or long-term capital gains. Large movements of assets into and out of the Fund due to active or frequent trading also may adversely affect the Fund's ability to achieve its investment objective.

DEPOSITARY RECEIPT RISKThe Fund may hold the securities of non-U.S. companies in the form of ADRs. The underlying securities of the ADRs in the Fund’s portfolio are subject to fluctuations in foreign currency exchange rates that may affect the value of the Fund’s portfolio. In addition, the value of the securities underlying the ADRs may change materially when the U.S. markets are not open for trading. Investments in the underlying foreign securities also involve political and economic risks distinct from those associated with investing in the securities of U.S. issuers.

DERIVATIVES RISKThe Fund’s investments in derivatives may pose risks in addition to and greater than those associated with investing directly in securities or other investments, including risks relating to leverage, imperfect correlations with underlying investments or the Fund’s other portfolio holdings, high price volatility, lack of availability, counterparty credit, liquidity, valuation and legal restrictions. Their use is a highly specialized activity that involves investment techniques and risks different from those associated with ordinary portfolio securities transactions. If the Advisor is incorrect about its expectations of market conditions, the use of derivatives could also result in a loss, which in some cases may be unlimited. Certain risks are specific to the derivatives in which the Fund invests.

FUTURES CONTRACTS RISKFutures contracts are typically exchange-traded contracts that call for the future delivery of an asset at a certain price and date, or cash settlement of the terms of the contract. Risks of futures contracts may be caused by an imperfect correlation between movements in the price of the instruments and the price of the underlying securities. In addition, there is the risk that the Fund may not be able to enter into a closing transaction because of an illiquid market. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Futures markets are highly volatile and the use of futures may increase the volatility of the Fund’s NAV. Futures are also subject to leverage risks and to liquidity risk.

OPTIONS RISKOptions or options on futures contracts give the holder of the option the right to buy (or to sell) a position in a security or in a contract to the writer of the option, at a certain price. They are subject to correlation risk because there may be an imperfect correlation between the options and the securities markets that cause a given transaction to fail to achieve its objectives. The successful use of options depends on the Advisor’s ability to correctly predict future price fluctuations and the degree of correlation between the options and securities markets. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Options are also particularly subject to leverage risk and can be subject to liquidity risk.

EARLY CLOSING RISKThe 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.

EQUITY RISKThe Fund is subject to the risk that the value of the equity securities or equity-based derivatives in the Fund’s portfolio will decline due to volatility in the equity market caused by general market and economic conditions, perceptions regarding particular industries represented in the equity market, or factors relating to specific companies to which the Fund has investment exposure.

FOREIGN ISSUER EXPOSURE RISKThe Fund may invest in securities of foreign companies directly, or in financial instruments that are indirectly linked to the performance of foreign issuers, such as ADRs. The Fund’s exposure to foreign issuers and investments in foreign securities, if any, are subject to additional risks in comparison to U.S. securities and U.S. issuers, including currency fluctuations, adverse political and economic developments, unreliable or untimely information, less liquidity, limited legal recourse and higher transactional costs.

LEISURE SECTOR RISKTo the extent that the Fund’s investments are exposed to issuers conducting business in the leisure sector, the Fund is subject to the risk that the securities of such issuers will underperform the market as a whole due to legislative or regulatory changes, adverse market conditions and/or increased competition affecting that economic sector. The prices of the securities of Leisure Companies also may fluctuate widely in response to such events.

MARKET RISKThe market value of the securities and derivatives held by the Fund may fluctuate resulting from factors affecting the individual company or other factors such as changing economic, political or financial market conditions. Moreover, changing economic, political or financial market conditions in one country or geographic region could adversely impact the market value of the securities held by the Fund in a different country or geographic region.

MID-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that medium-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

NON-DIVERSIFICATION RISKThe 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.

PORTFOLIO TURNOVER RISKThe Fund’s strategy may frequently involve buying and selling portfolio securities, which may lead to increased costs to the Fund. Portfolio turnover risk may cause the Fund’s performance to be less than you expect.

SMALL-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that small-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

TEMPORARY DEFENSIVE INVESTMENT RISKThe 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 RISKIf 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 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.
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 Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index. Effective upon the close of business on September 30, 2015, the Fund converted its existing Advisor Class shares to Class H shares. For periods prior to September 30, 2015, the performance shown reflects the performance of Advisor Class shares. The returns shown have not been adjusted to reflect any differences in expenses between Advisor Class shares and Class H shares. However, the Fund's Class H shares would have annual returns substantially similar to those of the Fund's former Advisor Class shares because they are invested in the same portfolio of securities and have a similar expense structure to the former Advisor Class shares. The figures in the bar chart and tables assume the reinvestment of dividends and capital gains distributions. 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.guggenheiminvestments.com or by calling Guggenheim Investments Client Services at 800.820.0888.

Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following bar chart shows the performance of the Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone 800.820.0888
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.guggenheiminvestments.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 Investor Class shares is based on a calendar year. The year-to-date return for the period from January 1, 2015 through June 30, 2015 is 4.53%.

Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Highest Quarter Return
 
Lowest Quarter Return
 
Q2 2009
24.48%
 
Q4 2008
-29.80
 %
Performance Table Heading rr_PerformanceTableHeading AVERAGE ANNUAL TOTAL RETURN (for periods ended December 31, 2014)
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. Your actual after-tax returns will depend on your specific tax situation and may differ from those shown below.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred 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.
Investor Class and Class H | Leisure Fund | S&P 500 Index  
Prospectus: rr_ProspectusTable  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes reflects no deduction for fees, expenses or taxes
Label rr_AverageAnnualReturnLabel S&P 500® Index (reflects no deduction for fees, expenses or taxes)
1 Year rr_AverageAnnualReturnYear01 13.69%
5 Years rr_AverageAnnualReturnYear05 15.45%
10 Years rr_AverageAnnualReturnYear10 7.67%
Investor Class and Class H | Leisure Fund | Investor Class  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYLIX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.85% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.49% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.34% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 136
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 425
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 734
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,613
Annual Return 2005 rr_AnnualReturn2005 (5.25%)
Annual Return 2006 rr_AnnualReturn2006 21.46%
Annual Return 2007 rr_AnnualReturn2007 (0.98%)
Annual Return 2008 rr_AnnualReturn2008 (49.31%)
Annual Return 2009 rr_AnnualReturn2009 35.75%
Annual Return 2010 rr_AnnualReturn2010 30.36%
Annual Return 2011 rr_AnnualReturn2011 2.43%
Annual Return 2012 rr_AnnualReturn2012 21.43%
Annual Return 2013 rr_AnnualReturn2013 42.83%
Annual Return 2014 rr_AnnualReturn2014 7.68%
Year to Date Return, Label rr_YearToDateReturnLabel year-to-date return
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Jun. 30, 2015
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn 4.53%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest Quarter Return
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Jun. 30, 2009
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 24.48%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest Quarter Return
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Dec. 31, 2008
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (29.80%)
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 7.68%
5 Years rr_AverageAnnualReturnYear05 20.05%
10 Years rr_AverageAnnualReturnYear10 6.94%
Investor Class and Class H | Leisure Fund | Investor Class | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 7.11%
5 Years rr_AverageAnnualReturnYear05 19.87%
10 Years rr_AverageAnnualReturnYear10 6.85%
Investor Class and Class H | Leisure Fund | Investor Class | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 4.73%
5 Years rr_AverageAnnualReturnYear05 16.37%
10 Years rr_AverageAnnualReturnYear10 5.60%
Investor Class and Class H | Leisure Fund | Class H  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYLAX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.85% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25% [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.48% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.58% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 161
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 499
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 860
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,878
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 7.18%
5 Years rr_AverageAnnualReturnYear05 19.46%
10 Years rr_AverageAnnualReturnYear10 6.41%
Investor Class and Class H | Leisure Fund | Class H | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 6.56%
5 Years rr_AverageAnnualReturnYear05 19.25%
10 Years rr_AverageAnnualReturnYear10 6.32%
Investor Class and Class H | Leisure Fund | Class H | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 4.47%
5 Years rr_AverageAnnualReturnYear05 15.85%
10 Years rr_AverageAnnualReturnYear10 5.16%
Investor Class and Class H | Precious Metals Fund  
Prospectus: rr_ProspectusTable  
Risk/Return [Heading] rr_RiskReturnHeading PRECIOUS METALS FUND
Objective [Heading] rr_ObjectiveHeading INVESTMENT OBJECTIVE
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock
The Precious Metals Fund (the “Fund”) seeks to provide capital appreciation by investing in U.S. and foreign companies that are involved in the precious metals sector, including exploration, mining, production and development, and other precious metals related services (“Precious Metals Companies”).
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 Investor Class shares or Class H shares of the Fund.
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 371% 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 371.00%
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.
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption 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:
Strategy [Heading] rr_StrategyHeading PRINCIPAL INVESTMENT STRATEGIES
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock
Under normal circumstances, the Fund invests substantially all (at least 80%) of its net assets in equity securities of Precious Metals Companies that are traded in the United States and in derivatives, which primarily consist of futures contracts and options on securities, futures contracts, and stock indices. The Fund may invest to a significant extent in the securities of Precious Metals Companies that have small to mid-sized capitalizations. Precious metals include gold, silver, platinum and other precious metals. Precious Metals Companies include precious metal manufacturers; distributors of precious metal products, such as jewelry, metal foil or bullion; mining and geological exploration companies; and companies that provide services to Precious Metals Companies. The Fund also may purchase American Depositary Receipts (“ADRs”) to gain exposure to foreign Precious Metals Companies and U.S. government securities.
Investments in derivative instruments, such as futures and options, have the economic effect of creating financial leverage in the Fund’s portfolio because such investments may give rise to losses that exceed the amount the Fund has invested in those instruments. Financial leverage will magnify, sometimes significantly, the Fund’s exposure to any increase or decrease in prices associated with a particular reference asset resulting in increased volatility in the value of the Fund’s portfolio. The value of the Fund’s portfolio is likely to experience greater volatility over short-term periods. While such financial leverage has the potential to produce greater gains, it also may result in greater losses, which in some cases may cause the Fund to liquidate other portfolio investments at a loss to comply with limits on leverage and asset segregation requirements imposed by the Investment Company Act of 1940 or to meet redemption requests.

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 invests in the securities of a limited number of issuers conducting business in the precious metals sector and, therefore, may be concentrated in an industry or group of industries within the precious metals sector. 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.
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 the principal risks described below.

ACTIVE TRADING RISK—The Fund may be used as a tool for certain investors that employ trading strategies involving frequent trading. Such trading strategies may lead to increased portfolio turnover in the Fund, higher transaction costs, and the possibility of increased short-term capital gains (which will be taxable to shareholders as ordinary income when distributed to them) and/or long-term capital gains. Large movements of assets into and out of the Fund due to active or frequent trading also may adversely affect the Fund's ability to achieve its investment objective.

DEPOSITARY RECEIPT RISKThe Fund may hold the securities of non-U.S. companies in the form of ADRs. The underlying securities of the ADRs in the Fund’s portfolio are subject to fluctuations in foreign currency exchange rates that may affect the value of the Fund’s portfolio. In addition, the value of the securities underlying the ADRs may change materially when the U.S. markets are not open for trading. Investments in the underlying foreign securities also involve political and economic risks distinct from those associated with investing in the securities of U.S. issuers.

DERIVATIVES RISKThe Fund’s investments in derivatives may pose risks in addition to and greater than those associated with investing directly in securities or other investments, including risks relating to leverage, imperfect correlations with underlying investments or the Fund’s other portfolio holdings, high price volatility, lack of availability, counterparty credit, liquidity, valuation and legal restrictions. Their use is a highly specialized activity that involves investment techniques and risks different from those associated with ordinary portfolio securities transactions. If the Advisor is incorrect about its expectations of market conditions, the use of derivatives could also result in a loss, which in some cases may be unlimited. Certain risks are specific to the derivatives in which the Fund invests.

FUTURES CONTRACTS RISKFutures contracts are typically exchange-traded contracts that call for the future delivery of an asset at a certain price and date, or cash settlement of the terms of the contract. Risks of futures contracts may be caused by an imperfect correlation between movements in the price of the instruments and the price of the underlying securities. In addition, there is the risk that the Fund may not be able to enter into a closing transaction because of an illiquid market. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Futures markets are highly volatile and the use of futures may increase the volatility of the Fund’s NAV. Futures are also subject to leverage risks and to liquidity risk.

OPTIONS RISKOptions or options on futures contracts give the holder of the option the right to buy (or to sell) a position in a security or in a contract to the writer of the option, at a certain price. They are subject to correlation risk because there may be an imperfect correlation between the options and the securities markets that cause a given transaction to fail to achieve its objectives. The successful use of options depends on the Advisor’s ability to correctly predict future price fluctuations and the degree of correlation between the options and securities markets. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Options are also particularly subject to leverage risk and can be subject to liquidity risk.

EARLY CLOSING RISKThe 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.

EQUITY RISKThe Fund is subject to the risk that the value of the equity securities or equity-based derivatives in the Fund’s portfolio will decline due to volatility in the equity market caused by general market and economic conditions, perceptions regarding particular industries represented in the equity market, or factors relating to specific companies to which the Fund has investment exposure.

FOREIGN ISSUER EXPOSURE RISKThe Fund may invest in securities of foreign companies directly, or in financial instruments that are indirectly linked to the performance of foreign issuers, such as ADRs. The Fund’s exposure to foreign issuers and investments in foreign securities, if any, are subject to additional risks in comparison to U.S. securities and U.S. issuers, including currency fluctuations, adverse political and economic developments, unreliable or untimely information, less liquidity, limited legal recourse and higher transactional costs.

MARKET RISKThe market value of the securities and derivatives held by the Fund may fluctuate resulting from factors affecting the individual company or other factors such as changing economic, political or financial market conditions. Moreover, changing economic, political or financial market conditions in one country or geographic region could adversely impact the market value of the securities held by the Fund in a different country or geographic region.

MID-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that medium-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

NON-DIVERSIFICATION RISKThe 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.

PORTFOLIO TURNOVER RISKThe Fund’s strategy may frequently involve buying and selling portfolio securities, which may lead to increased costs to the Fund. Portfolio turnover risk may cause the Fund’s performance to be less than you expect.

PRECIOUS METALS SECTOR RISKTo the extent that the Fund’s investments are exposed to issuers conducting business in the precious metals sector, the Fund is subject to the risk that the securities of such issuers will underperform the market as a whole due to legislative or regulatory changes, adverse market conditions and/or increased competition affecting that economic sector. The prices of the securities of Precious Metals Companies also may fluctuate widely in response to such events.

SMALL-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that small-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

TEMPORARY DEFENSIVE INVESTMENT RISKThe 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 RISKIf 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 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.
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 Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index. Effective upon the close of business on September 30, 2015, the Fund converted its existing Advisor Class shares to Class H shares. For periods prior to September 30, 2015, the performance shown reflects the performance of Advisor Class shares. The returns shown have not been adjusted to reflect any differences in expenses between Advisor Class shares and Class H shares. However, the Fund's Class H shares would have annual returns substantially similar to those of the Fund's former Advisor Class shares because they are invested in the same portfolio of securities and have a similar expense structure to the former Advisor Class shares. The figures in the bar chart and tables assume the reinvestment of dividends and capital gains distributions. 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.guggenheiminvestments.com or by calling Guggenheim Investments Client Services at 800.820.0888.

Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following bar chart shows the performance of the Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone 800.820.0888
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.guggenheiminvestments.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 following bar chart shows the performance of the Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index. Effective upon the close of business on September 30, 2015, the Fund converted its existing Advisor Class shares to Class H shares. For periods prior to September 30, 2015, the performance shown reflects the performance of Advisor Class shares. The returns shown have not been adjusted to reflect any differences in expenses between Advisor Class shares and Class H shares. However, the Fund's Class H shares would have annual returns substantially similar to those of the Fund's former Advisor Class shares because they are invested in the same portfolio of securities and have a similar expense structure to the former Advisor Class shares. The figures in the bar chart and tables assume the reinvestment of dividends and capital gains distributions. 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.guggenheiminvestments.com or by calling Guggenheim Investments Client Services at 800.820.0888.

The performance information shown below for Investor Class shares is based on a calendar year. The year-to-date return for the period from January 1, 2015 through June 30, 2015 is -8.30%.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Highest Quarter Return
 
Lowest Quarter Return
 
Q3 2009
23.01%
 
Q3 2008
-33.84
 %
Performance Table Heading rr_PerformanceTableHeading AVERAGE ANNUAL TOTAL RETURN (for periods ended December 31, 2014)
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. Your actual after-tax returns will depend on your specific tax situation and may differ from those shown below.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred 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.
Investor Class and Class H | Precious Metals Fund | S&P 500 Index  
Prospectus: rr_ProspectusTable  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes reflects no deduction for fees, expenses or taxes
Label rr_AverageAnnualReturnLabel S&P 500® Index (reflects no deduction for fees, expenses or taxes)
1 Year rr_AverageAnnualReturnYear01 13.69%
5 Years rr_AverageAnnualReturnYear05 15.45%
10 Years rr_AverageAnnualReturnYear10 7.67%
Investor Class and Class H | Precious Metals Fund | Investor Class  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYPMX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.75% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.50% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.25% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 127
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 397
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 686
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,511
Annual Return 2005 rr_AnnualReturn2005 21.55%
Annual Return 2006 rr_AnnualReturn2006 21.57%
Annual Return 2007 rr_AnnualReturn2007 19.92%
Annual Return 2008 rr_AnnualReturn2008 (37.66%)
Annual Return 2009 rr_AnnualReturn2009 51.59%
Annual Return 2010 rr_AnnualReturn2010 38.39%
Annual Return 2011 rr_AnnualReturn2011 (24.11%)
Annual Return 2012 rr_AnnualReturn2012 (4.09%)
Annual Return 2013 rr_AnnualReturn2013 (46.44%)
Annual Return 2014 rr_AnnualReturn2014 (17.48%)
Year to Date Return, Label rr_YearToDateReturnLabel year-to-date return
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Jun. 30, 2015
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn (8.30%)
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest Quarter Return
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Sep. 30, 2009
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 23.01%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest Quarter Return
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Sep. 30, 2008
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (33.84%)
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 (17.48%)
5 Years rr_AverageAnnualReturnYear05 (14.94%)
10 Years rr_AverageAnnualReturnYear10 (2.89%)
Investor Class and Class H | Precious Metals Fund | Investor Class | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 (18.45%)
5 Years rr_AverageAnnualReturnYear05 (15.30%)
10 Years rr_AverageAnnualReturnYear10 (3.11%)
Investor Class and Class H | Precious Metals Fund | Investor Class | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 (9.84%)
5 Years rr_AverageAnnualReturnYear05 (10.31%)
10 Years rr_AverageAnnualReturnYear10 (2.07%)
Investor Class and Class H | Precious Metals Fund | Class H  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYMPX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.75% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25% [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.50% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.50% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 153
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 474
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 818
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,791
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 (17.88%)
5 Years rr_AverageAnnualReturnYear05 (15.36%)
10 Years rr_AverageAnnualReturnYear10 (3.36%)
Investor Class and Class H | Precious Metals Fund | Class H | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 (18.90%)
5 Years rr_AverageAnnualReturnYear05 (15.73%)
10 Years rr_AverageAnnualReturnYear10 (3.59%)
Investor Class and Class H | Precious Metals Fund | Class H | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 (10.06%)
5 Years rr_AverageAnnualReturnYear05 (10.56%)
10 Years rr_AverageAnnualReturnYear10 (2.39%)
Investor Class and Class H | Retailing Fund  
Prospectus: rr_ProspectusTable  
Risk/Return [Heading] rr_RiskReturnHeading RETAILING FUND
Objective [Heading] rr_ObjectiveHeading INVESTMENT OBJECTIVE
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock
The Retailing Fund (the “Fund”) seeks to provide capital appreciation by investing in companies engaged in merchandising finished goods and services, including department stores, mail order operations and other companies involved in selling products to consumers (“Retailing Companies”).
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 Investor Class shares or Class H shares of the Fund.
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 395% 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 395.00%
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.
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption 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:
Strategy [Heading] rr_StrategyHeading PRINCIPAL INVESTMENT STRATEGIES
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock
Under normal circumstances, the Fund invests substantially all (at least 80%) of its net assets in equity securities of Retailing Companies that are traded in the United States and in derivatives, which primarily consist of futures contracts and options on securities, futures contracts, and stock indices. The Fund may invest to a significant extent in the securities of Retailing Companies that have small to mid-sized capitalizations. Retailing Companies include drug and department stores; suppliers of goods and services for homes, home improvements and yards; clothing, jewelry, electronics and computer retailers; warehouse membership clubs; mail order operations; and companies involved in alternative selling methods. The Fund also may purchase American Depositary Receipts (“ADRs”) to gain exposure to foreign Retailing Companies and U.S. government securities.
Investments in derivative instruments, such as futures and options, have the economic effect of creating financial leverage in the Fund’s portfolio because such investments may give rise to losses that exceed the amount the Fund has invested in those instruments. Financial leverage will magnify, sometimes significantly, the Fund’s exposure to any increase or decrease in prices associated with a particular reference asset resulting in increased volatility in the value of the Fund’s portfolio. The value of the Fund’s portfolio is likely to experience greater volatility over short-term periods. While such financial leverage has the potential to produce greater gains, it also may result in greater losses, which in some cases may cause the Fund to liquidate other portfolio investments at a loss to comply with limits on leverage and asset segregation requirements imposed by the Investment Company Act of 1940 or to meet redemption requests.

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 invests in the securities of a limited number of issuers conducting business in the retailing sector and, therefore, may be concentrated in an industry or group of industries within the retailing sector. 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.
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 the principal risks described below.

ACTIVE TRADING RISK—The Fund may be used as a tool for certain investors that employ trading strategies involving frequent trading. Such trading strategies may lead to increased portfolio turnover in the Fund, higher transaction costs, and the possibility of increased short-term capital gains (which will be taxable to shareholders as ordinary income when distributed to them) and/or long-term capital gains. Large movements of assets into and out of the Fund due to active or frequent trading also may adversely affect the Fund's ability to achieve its investment objective.

DEPOSITARY RECEIPT RISKThe Fund may hold the securities of non-U.S. companies in the form of ADRs. The underlying securities of the ADRs in the Fund’s portfolio are subject to fluctuations in foreign currency exchange rates that may affect the value of the Fund’s portfolio. In addition, the value of the securities underlying the ADRs may change materially when the U.S. markets are not open for trading. Investments in the underlying foreign securities also involve political and economic risks distinct from those associated with investing in the securities of U.S. issuers.

DERIVATIVES RISKThe Fund’s investments in derivatives may pose risks in addition to and greater than those associated with investing directly in securities or other investments, including risks relating to leverage, imperfect correlations with underlying investments or the Fund’s other portfolio holdings, high price volatility, lack of availability, counterparty credit, liquidity, valuation and legal restrictions. Their use is a highly specialized activity that involves investment techniques and risks different from those associated with ordinary portfolio securities transactions. If the Advisor is incorrect about its expectations of market conditions, the use of derivatives could also result in a loss, which in some cases may be unlimited. Certain risks are specific to the derivatives in which the Fund invests.

FUTURES CONTRACTS RISKFutures contracts are typically exchange-traded contracts that call for the future delivery of an asset at a certain price and date, or cash settlement of the terms of the contract. Risks of futures contracts may be caused by an imperfect correlation between movements in the price of the instruments and the price of the underlying securities. In addition, there is the risk that the Fund may not be able to enter into a closing transaction because of an illiquid market. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Futures markets are highly volatile and the use of futures may increase the volatility of the Fund’s NAV. Futures are also subject to leverage risks and to liquidity risk.

OPTIONS RISKOptions or options on futures contracts give the holder of the option the right to buy (or to sell) a position in a security or in a contract to the writer of the option, at a certain price. They are subject to correlation risk because there may be an imperfect correlation between the options and the securities markets that cause a given transaction to fail to achieve its objectives. The successful use of options depends on the Advisor’s ability to correctly predict future price fluctuations and the degree of correlation between the options and securities markets. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Options are also particularly subject to leverage risk and can be subject to liquidity risk.

EARLY CLOSING RISKThe 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.

EQUITY RISKThe Fund is subject to the risk that the value of the equity securities or equity-based derivatives in the Fund’s portfolio will decline due to volatility in the equity market caused by general market and economic conditions, perceptions regarding particular industries represented in the equity market, or factors relating to specific companies to which the Fund has investment exposure.

FOREIGN ISSUER EXPOSURE RISKThe Fund may invest in securities of foreign companies directly, or in financial instruments that are indirectly linked to the performance of foreign issuers, such as ADRs. The Fund’s exposure to foreign issuers and investments in foreign securities, if any, are subject to additional risks in comparison to U.S. securities and U.S. issuers, including currency fluctuations, adverse political and economic developments, unreliable or untimely information, less liquidity, limited legal recourse and higher transactional costs.

MARKET RISKThe market value of the securities and derivatives held by the Fund may fluctuate resulting from factors affecting the individual company or other factors such as changing economic, political or financial market conditions. Moreover, changing economic, political or financial market conditions in one country or geographic region could adversely impact the market value of the securities held by the Fund in a different country or geographic region.

MID-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that medium-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

NON-DIVERSIFICATION RISKThe 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.

PORTFOLIO TURNOVER RISKThe Fund’s strategy may frequently involve buying and selling portfolio securities, which may lead to increased costs to the Fund. Portfolio turnover risk may cause the Fund’s performance to be less than you expect.

RETAILING SECTOR RISKTo the extent that the Fund’s investments are exposed to issuers conducting business in the retailing sector, the Fund is subject to the risk that the securities of such issuers will underperform the market as a whole due to legislative or regulatory changes, adverse market conditions and/or increased competition affecting that economic sector. The prices of the securities of the Retailing Companies also may fluctuate widely in response to such events.

SMALL-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that small-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

TEMPORARY DEFENSIVE INVESTMENT RISKThe 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 RISKIf 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 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.
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 Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index. Effective upon the close of business on September 30, 2015, the Fund converted its existing Advisor Class shares to Class H shares. For periods prior to September 30, 2015, the performance shown reflects the performance of Advisor Class shares. The returns shown have not been adjusted to reflect any differences in expenses between Advisor Class shares and Class H shares. However, the Fund's Class H shares would have annual returns substantially similar to those of the Fund's former Advisor Class shares because they are invested in the same portfolio of securities and have a similar expense structure to the former Advisor Class shares. The figures in the bar chart and tables assume the reinvestment of dividends and capital gains distributions. 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.guggenheiminvestments.com or by calling Guggenheim Investments Client Services at 800.820.0888.

Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following bar chart shows the performance of the Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone 800.820.0888
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.guggenheiminvestments.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 Investor Class shares is based on a calendar year. The year-to-date return for the period from January 1, 2015 through June 30, 2015 is 4.95%.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Highest Quarter Return
 
Lowest Quarter Return
 
Q3 2009
16.77%
 
Q4 2008
-24.40
 %
Performance Table Heading rr_PerformanceTableHeading AVERAGE ANNUAL TOTAL RETURN (for periods ended December 31, 2014)
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. Your actual after-tax returns will depend on your specific tax situation and may differ from those shown below.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred 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.
Investor Class and Class H | Retailing Fund | S&P 500 Index  
Prospectus: rr_ProspectusTable  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes reflects no deduction for fees, expenses or taxes
Label rr_AverageAnnualReturnLabel S&P 500® Index (reflects no deduction for fees, expenses or taxes)
1 Year rr_AverageAnnualReturnYear01 13.69%
5 Years rr_AverageAnnualReturnYear05 15.45%
10 Years rr_AverageAnnualReturnYear10 7.67%
Investor Class and Class H | Retailing Fund | Investor Class  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYRIX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.85% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.48% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.33% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 135
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 421
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 729
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,601
Annual Return 2005 rr_AnnualReturn2005 4.76%
Annual Return 2006 rr_AnnualReturn2006 9.32%
Annual Return 2007 rr_AnnualReturn2007 (12.68%)
Annual Return 2008 rr_AnnualReturn2008 (33.72%)
Annual Return 2009 rr_AnnualReturn2009 41.96%
Annual Return 2010 rr_AnnualReturn2010 24.73%
Annual Return 2011 rr_AnnualReturn2011 5.49%
Annual Return 2012 rr_AnnualReturn2012 17.54%
Annual Return 2013 rr_AnnualReturn2013 37.03%
Annual Return 2014 rr_AnnualReturn2014 9.12%
Year to Date Return, Label rr_YearToDateReturnLabel year-to-date return
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Jun. 30, 2015
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn 4.95%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest Quarter Return
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Sep. 30, 2009
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 16.77%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest Quarter Return
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Dec. 31, 2008
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (24.40%)
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 9.12%
5 Years rr_AverageAnnualReturnYear05 18.25%
10 Years rr_AverageAnnualReturnYear10 8.08%
Investor Class and Class H | Retailing Fund | Investor Class | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 9.12%
5 Years rr_AverageAnnualReturnYear05 18.23%
10 Years rr_AverageAnnualReturnYear10 8.07%
Investor Class and Class H | Retailing Fund | Investor Class | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 5.16%
5 Years rr_AverageAnnualReturnYear05 14.86%
10 Years rr_AverageAnnualReturnYear10 6.60%
Investor Class and Class H | Retailing Fund | Class H  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYRAX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.85% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25% [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.48% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.58% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 161
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 499
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 860
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,878
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 8.77%
5 Years rr_AverageAnnualReturnYear05 17.76%
10 Years rr_AverageAnnualReturnYear10 7.61%
Investor Class and Class H | Retailing Fund | Class H | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 8.77%
5 Years rr_AverageAnnualReturnYear05 17.74%
10 Years rr_AverageAnnualReturnYear10 7.60%
Investor Class and Class H | Retailing Fund | Class H | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 4.96%
5 Years rr_AverageAnnualReturnYear05 14.44%
10 Years rr_AverageAnnualReturnYear10 6.19%
Investor Class and Class H | Technology Fund  
Prospectus: rr_ProspectusTable  
Risk/Return [Heading] rr_RiskReturnHeading TECHNOLOGY FUND     
Objective [Heading] rr_ObjectiveHeading INVESTMENT OBJECTIVE
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock
The Technology Fund (the “Fund”) seeks to provide capital appreciation by investing in companies that are involved in the technology sector, including computer software and service companies, semiconductor manufacturers, networking and telecommunications equipment manufacturers, PC hardware and peripherals companies (“Technology Companies”).
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 Investor Class shares or Class H shares of the Fund.
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 280% 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 280.00%
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.
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption 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:
Strategy [Heading] rr_StrategyHeading PRINCIPAL INVESTMENT STRATEGIES
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock
Under normal circumstances, the Fund invests substantially all (at least 80%) of its net assets in equity securities of Technology Companies that are traded in the United States and in derivatives, which primarily consist of futures contracts and options on securities, futures contracts, and stock indices. The Fund may invest to a significant extent in the securities of Technology Companies that have small to mid-sized capitalizations. Technology Companies are companies that the Advisor believes have, or will develop, products, processes, or services that will provide technological advances and improvements. These companies may include, for example, companies that develop, produce or distribute products or services in the computer, semiconductor, electronics and communications sectors. The Fund also may purchase American Depositary Receipts (“ADRs”) to gain exposure to foreign Technology Companies and U.S. government securities.
Investments in derivative instruments, such as futures and options, have the economic effect of creating financial leverage in the Fund’s portfolio because such investments may give rise to losses that exceed the amount the Fund has invested in those instruments. Financial leverage will magnify, sometimes significantly, the Fund’s exposure to any increase or decrease in prices associated with a particular reference asset resulting in increased volatility in the value of the Fund’s portfolio. The value of the Fund’s portfolio is likely to experience greater volatility over short-term periods. While such financial leverage has the potential to produce greater gains, it also may result in greater losses, which in some cases may cause the Fund to liquidate other portfolio investments at a loss to comply with limits on leverage and asset segregation requirements imposed by the Investment Company Act of 1940 or to meet redemption requests.

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 invests in the securities of a limited number of issuers conducting business in the technology sector and, therefore, may be concentrated in an industry or group of industries within the technology sector. 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.
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 the principal risks described below.

ACTIVE TRADING RISK—The Fund may be used as a tool for certain investors that employ trading strategies involving frequent trading. Such trading strategies may lead to increased portfolio turnover in the Fund, higher transaction costs, and the possibility of increased short-term capital gains (which will be taxable to shareholders as ordinary income when distributed to them) and/or long-term capital gains. Large movements of assets into and out of the Fund due to active or frequent trading also may adversely affect the Fund's ability to achieve its investment objective.

DEPOSITARY RECEIPT RISKThe Fund may hold the securities of non-U.S. companies in the form of ADRs. The underlying securities of the ADRs in the Fund’s portfolio are subject to fluctuations in foreign currency exchange rates that may affect the value of the Fund’s portfolio. In addition, the value of the securities underlying the ADRs may change materially when the U.S. markets are not open for trading. Investments in the underlying foreign securities also involve political and economic risks distinct from those associated with investing in the securities of U.S. issuers.

DERIVATIVES RISKThe Fund’s investments in derivatives may pose risks in addition to and greater than those associated with investing directly in securities or other investments, including risks relating to leverage, imperfect correlations with underlying investments or the Fund’s other portfolio holdings, high price volatility, lack of availability, counterparty credit, liquidity, valuation and legal restrictions. Their use is a highly specialized activity that involves investment techniques and risks different from those associated with ordinary portfolio securities transactions. If the Advisor is incorrect about its expectations of market conditions, the use of derivatives could also result in a loss, which in some cases may be unlimited. Certain risks are specific to the derivatives in which the Fund invests.

FUTURES CONTRACTS RISKFutures contracts are typically exchange-traded contracts that call for the future delivery of an asset at a certain price and date, or cash settlement of the terms of the contract. Risks of futures contracts may be caused by an imperfect correlation between movements in the price of the instruments and the price of the underlying securities. In addition, there is the risk that the Fund may not be able to enter into a closing transaction because of an illiquid market. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Futures markets are highly volatile and the use of futures may increase the volatility of the Fund’s NAV. Futures are also subject to leverage risks and to liquidity risk.

OPTIONS RISKOptions or options on futures contracts give the holder of the option the right to buy (or to sell) a position in a security or in a contract to the writer of the option, at a certain price. They are subject to correlation risk because there may be an imperfect correlation between the options and the securities markets that cause a given transaction to fail to achieve its objectives. The successful use of options depends on the Advisor’s ability to correctly predict future price fluctuations and the degree of correlation between the options and securities markets. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Options are also particularly subject to leverage risk and can be subject to liquidity risk.

EARLY CLOSING RISKThe 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.

EQUITY RISKThe Fund is subject to the risk that the value of the equity securities or equity-based derivatives in the Fund’s portfolio will decline due to volatility in the equity market caused by general market and economic conditions, perceptions regarding particular industries represented in the equity market, or factors relating to specific companies to which the Fund has investment exposure.

FOREIGN ISSUER EXPOSURE RISKThe Fund may invest in securities of foreign companies directly, or in financial instruments that are indirectly linked to the performance of foreign issuers, such as ADRs. The Fund’s exposure to foreign issuers and investments in foreign securities, if any, are subject to additional risks in comparison to U.S. securities and U.S. issuers, including currency fluctuations, adverse political and economic developments, unreliable or untimely information, less liquidity, limited legal recourse and higher transactional costs.

MARKET RISKThe market value of the securities and derivatives held by the Fund may fluctuate resulting from factors affecting the individual company or other factors such as changing economic, political or financial market conditions. Moreover, changing economic, political or financial market conditions in one country or geographic region could adversely impact the market value of the securities held by the Fund in a different country or geographic region.

MID-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that medium-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

NON-DIVERSIFICATION RISKThe 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.

PORTFOLIO TURNOVER RISKThe Fund’s strategy may frequently involve buying and selling portfolio securities, which may lead to increased costs to the Fund. Portfolio turnover risk may cause the Fund’s performance to be less than you expect.

SMALL-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that small-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

TECHNOLOGY SECTOR RISKTo the extent that the Fund’s investments are exposed to issuers conducting business in the technology sector, the Fund is subject to the risk that the securities of such issuers will underperform the market as a whole due to legislative or regulatory changes, adverse market conditions and/or increased competition affecting that economic sector. The prices of the securities of Technology Companies also may fluctuate widely in response to such events.

TEMPORARY DEFENSIVE INVESTMENT RISKThe 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 RISKIf 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 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.
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 Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index. Effective upon the close of business on September 30, 2015, the Fund converted its existing Advisor Class shares to Class H shares. For periods prior to September 30, 2015, the performance shown reflects the performance of Advisor Class shares. The returns shown have not been adjusted to reflect any differences in expenses between Advisor Class shares and Class H shares. However, the Fund's Class H shares would have annual returns substantially similar to those of the Fund's former Advisor Class shares because they are invested in the same portfolio of securities and have a similar expense structure to the former Advisor Class shares. The figures in the bar chart and tables assume the reinvestment of dividends and capital gains distributions. 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.guggenheiminvestments.com or by calling Guggenheim Investments Client Services at 800.820.0888.

Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following bar chart shows the performance of the Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone 800.820.0888
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.guggenheiminvestments.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 Investor Class shares is based on a calendar year. The year-to-date return for the period from January 1, 2015 through June 30, 2015 is 2.22%.

Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Highest Quarter Return
 
Lowest Quarter Return
 
Q2 2009
19.09%
 
Q4 2008
-26.87
 %
Performance Table Heading rr_PerformanceTableHeading AVERAGE ANNUAL TOTAL RETURN (for periods ended December 31, 2014)
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. Your actual after-tax returns will depend on your specific tax situation and may differ from those shown below.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred 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.
Investor Class and Class H | Technology Fund | S&P 500 Index  
Prospectus: rr_ProspectusTable  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes reflects no deduction for fees, expenses or taxes
Label rr_AverageAnnualReturnLabel S&P 500® Index (reflects no deduction for fees, expenses or taxes)
1 Year rr_AverageAnnualReturnYear01 13.69%
5 Years rr_AverageAnnualReturnYear05 15.45%
10 Years rr_AverageAnnualReturnYear10 7.67%
Investor Class and Class H | Technology Fund | Investor Class  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYTIX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.85% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.50% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.35% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 137
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 428
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 739
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,624
Annual Return 2005 rr_AnnualReturn2005 2.48%
Annual Return 2006 rr_AnnualReturn2006 6.40%
Annual Return 2007 rr_AnnualReturn2007 12.10%
Annual Return 2008 rr_AnnualReturn2008 (45.36%)
Annual Return 2009 rr_AnnualReturn2009 55.84%
Annual Return 2010 rr_AnnualReturn2010 12.77%
Annual Return 2011 rr_AnnualReturn2011 (9.21%)
Annual Return 2012 rr_AnnualReturn2012 11.80%
Annual Return 2013 rr_AnnualReturn2013 35.69%
Annual Return 2014 rr_AnnualReturn2014 10.01%
Year to Date Return, Label rr_YearToDateReturnLabel year-to-date return
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Jun. 30, 2015
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn 2.22%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest Quarter Return
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Jun. 30, 2009
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 19.09%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest Quarter Return
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Dec. 31, 2008
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (26.87%)
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 10.01%
5 Years rr_AverageAnnualReturnYear05 11.31%
10 Years rr_AverageAnnualReturnYear10 5.93%
Investor Class and Class H | Technology Fund | Investor Class | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 10.01%
5 Years rr_AverageAnnualReturnYear05 11.31%
10 Years rr_AverageAnnualReturnYear10 5.92%
Investor Class and Class H | Technology Fund | Investor Class | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 5.67%
5 Years rr_AverageAnnualReturnYear05 9.02%
10 Years rr_AverageAnnualReturnYear10 4.76%
Investor Class and Class H | Technology Fund | Class H  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYTAX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.85% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25% [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.50% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.60% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 163
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 505
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 871
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,900
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 9.52%
5 Years rr_AverageAnnualReturnYear05 10.75%
10 Years rr_AverageAnnualReturnYear10 5.39%
Investor Class and Class H | Technology Fund | Class H | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 9.52%
5 Years rr_AverageAnnualReturnYear05 10.75%
10 Years rr_AverageAnnualReturnYear10 5.38%
Investor Class and Class H | Technology Fund | Class H | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 5.39%
5 Years rr_AverageAnnualReturnYear05 8.56%
10 Years rr_AverageAnnualReturnYear10 4.31%
Investor Class and Class H | Telecommunications Fund  
Prospectus: rr_ProspectusTable  
Risk/Return [Heading] rr_RiskReturnHeading TELECOMMUNICATIONS FUND
Objective [Heading] rr_ObjectiveHeading INVESTMENT OBJECTIVE
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock
The Telecommunications Fund (the “Fund”) seeks to provide capital appreciation by investing in companies engaged in the development, manufacture, or sale of communications services or communications equipment (“Telecommunications Companies”).
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 Investor Class shares or Class H shares of the Fund.
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 804% 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 804.00%
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.
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption 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:
Strategy [Heading] rr_StrategyHeading PRINCIPAL INVESTMENT STRATEGIES
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock
Under normal circumstances, the Fund invests substantially all (at least 80%) of its net assets in equity securities of Telecommunications Companies that are traded in the United States and in derivatives, which primarily consist of futures contracts and options on securities, futures contracts, and stock indices. The Fund may invest to a significant extent in the securities of Telecommunications Companies that have small to mid-sized capitalizations. Telecommunications Companies include traditional and wireless telephone services or equipment providers, Internet equipment and service providers, and fiber-optics. The Fund also may purchase American Depositary Receipts (“ADRs”)to gain exposure to foreign Telecommunications Companies and U.S. government securities.
Investments in derivative instruments, such as futures and options, have the economic effect of creating financial leverage in the Fund’s portfolio because such investments may give rise to losses that exceed the amount the Fund has invested in those instruments. Financial leverage will magnify, sometimes significantly, the Fund’s exposure to any increase or decrease in prices associated with a particular reference asset resulting in increased volatility in the value of the Fund’s portfolio. The value of the Fund’s portfolio is likely to experience greater volatility over short-term periods. While such financial leverage has the potential to produce greater gains, it also may result in greater losses, which in some cases may cause the Fund to liquidate other portfolio investments at a loss to comply with limits on leverage and asset segregation requirements imposed by the Investment Company Act of 1940 or to meet redemption requests.

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 invests in the securities of a limited number of issuers conducting business in the telecommunications sector and, therefore, may be concentrated in an industry or group of industries within the telecommunications sector. 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.
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 the principal risks described below.

ACTIVE TRADING RISK—The Fund may be used as a tool for certain investors that employ trading strategies involving frequent trading. Such trading strategies may lead to increased portfolio turnover in the Fund, higher transaction costs, and the possibility of increased short-term capital gains (which will be taxable to shareholders as ordinary income when distributed to them) and/or long-term capital gains. Large movements of assets into and out of the Fund due to active or frequent trading also may adversely affect the Fund's ability to achieve its investment objective.

DEPOSITARY RECEIPT RISKThe Fund may hold the securities of non-U.S. companies in the form of ADRs. The underlying securities of the ADRs in the Fund’s portfolio are subject to fluctuations in foreign currency exchange rates that may affect the value of the Fund’s portfolio. In addition, the value of the securities underlying the ADRs may change materially when the U.S. markets are not open for trading. Investments in the underlying foreign securities also involve political and economic risks distinct from those associated with investing in the securities of U.S. issuers.

DERIVATIVES RISKThe Fund’s investments in derivatives may pose risks in addition to and greater than those associated with investing directly in securities or other investments, including risks relating to leverage, imperfect correlations with underlying investments or the Fund’s other portfolio holdings, high price volatility, lack of availability, counterparty credit, liquidity, valuation and legal restrictions. Their use is a highly specialized activity that involves investment techniques and risks different from those associated with ordinary portfolio securities transactions. If the Advisor is incorrect about its expectations of market conditions, the use of derivatives could also result in a loss, which in some cases may be unlimited. Certain risks are specific to the derivatives in which the Fund invests.

FUTURES CONTRACTS RISKFutures contracts are typically exchange-traded contracts that call for the future delivery of an asset at a certain price and date, or cash settlement of the terms of the contract. Risks of futures contracts may be caused by an imperfect correlation between movements in the price of the instruments and the price of the underlying securities. In addition, there is the risk that the Fund may not be able to enter into a closing transaction because of an illiquid market. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Futures markets are highly volatile and the use of futures may increase the volatility of the Fund’s NAV. Futures are also subject to leverage risks and to liquidity risk.

OPTIONS RISKOptions or options on futures contracts give the holder of the option the right to buy (or to sell) a position in a security or in a contract to the writer of the option, at a certain price. They are subject to correlation risk because there may be an imperfect correlation between the options and the securities markets that cause a given transaction to fail to achieve its objectives. The successful use of options depends on the Advisor’s ability to correctly predict future price fluctuations and the degree of correlation between the options and securities markets. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Options are also particularly subject to leverage risk and can be subject to liquidity risk.

EARLY CLOSING RISKThe 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.

EQUITY RISKThe Fund is subject to the risk that the value of the equity securities or equity-based derivatives in the Fund’s portfolio will decline due to volatility in the equity market caused by general market and economic conditions, perceptions regarding particular industries represented in the equity market, or factors relating to specific companies to which the Fund has investment exposure.

FOREIGN ISSUER EXPOSURE RISKThe Fund may invest in securities of foreign companies directly, or in financial instruments that are indirectly linked to the performance of foreign issuers, such as ADRs. The Fund’s exposure to foreign issuers and investments in foreign securities, if any, are subject to additional risks in comparison to U.S. securities and U.S. issuers, including currency fluctuations, adverse political and economic developments, unreliable or untimely information, less liquidity, limited legal recourse and higher transactional costs.

MARKET RISKThe market value of the securities and derivatives held by the Fund may fluctuate resulting from factors affecting the individual company or other factors such as changing economic, political or financial market conditions. Moreover, changing economic, political or financial market conditions in one country or geographic region could adversely impact the market value of the securities held by the Fund in a different country or geographic region.

MID-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that medium-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

NON-DIVERSIFICATION RISKThe 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.

PORTFOLIO TURNOVER RISKThe Fund’s strategy may frequently involve buying and selling portfolio securities, which may lead to increased costs to the Fund. Portfolio turnover risk may cause the Fund’s performance to be less than you expect.

SMALL-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that small-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

TELECOMMUNICATIONS SECTOR RISKTo the extent that the Fund’s investments are exposed to issuers conducting business in the telecommunications sector, the Fund is subject to the risk that the securities of such issuers will underperform the market as a whole due to legislative or regulatory changes, adverse market conditions and/or increased competition affecting that economic sector. The prices of the securities of the Telecommunications Companies also may fluctuate widely in response to such events.

TEMPORARY DEFENSIVE INVESTMENT RISKThe 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 RISKIf 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 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.
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 Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index. Effective upon the close of business on September 30, 2015, the Fund converted its existing Advisor Class shares to Class H shares. For periods prior to September 30, 2015, the performance shown reflects the performance of Advisor Class shares. The returns shown have not been adjusted to reflect any differences in expenses between Advisor Class shares and Class H shares. However, the Fund's Class H shares would have annual returns substantially similar to those of the Fund's former Advisor Class shares because they are invested in the same portfolio of securities and have a similar expense structure to the former Advisor Class shares. The figures in the bar chart and tables assume the reinvestment of dividends and capital gains distributions. 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.guggenheiminvestments.com or by calling Guggenheim Investments Client Services at 800.820.0888.

Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following bar chart shows the performance of the Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone 800.820.0888
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.guggenheiminvestments.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 Investor Class shares is based on a calendar year. The year-to-date return for the period from January 1, 2015 through June 30, 2015 is -0.35%.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Highest Quarter Return
 
Lowest Quarter Return
 
Q2 2009
18.85%
 
Q4 2008
-20.89
 %
Performance Table Heading rr_PerformanceTableHeading AVERAGE ANNUAL TOTAL RETURN (for periods ended December 31, 2014)
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. Your actual after-tax returns will depend on your specific tax situation and may differ from those shown below.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred 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.
Investor Class and Class H | Telecommunications Fund | S&P 500 Index  
Prospectus: rr_ProspectusTable  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes reflects no deduction for fees, expenses or taxes
Label rr_AverageAnnualReturnLabel S&P 500® Index (reflects no deduction for fees, expenses or taxes)
1 Year rr_AverageAnnualReturnYear01 13.69%
5 Years rr_AverageAnnualReturnYear05 15.45%
10 Years rr_AverageAnnualReturnYear10 7.67%
Investor Class and Class H | Telecommunications Fund | Investor Class  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYMIX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.85% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.51% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.36% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 138
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 431
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 745
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,635
Annual Return 2005 rr_AnnualReturn2005 (0.38%)
Annual Return 2006 rr_AnnualReturn2006 19.06%
Annual Return 2007 rr_AnnualReturn2007 9.38%
Annual Return 2008 rr_AnnualReturn2008 (45.19%)
Annual Return 2009 rr_AnnualReturn2009 29.17%
Annual Return 2010 rr_AnnualReturn2010 15.13%
Annual Return 2011 rr_AnnualReturn2011 (13.85%)
Annual Return 2012 rr_AnnualReturn2012 4.51%
Annual Return 2013 rr_AnnualReturn2013 17.05%
Annual Return 2014 rr_AnnualReturn2014 2.75%
Year to Date Return, Label rr_YearToDateReturnLabel year-to-date return
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Jun. 30, 2015
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn (0.35%)
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest Quarter Return
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Jun. 30, 2009
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 18.85%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest Quarter Return
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Dec. 31, 2008
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (20.89%)
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 2.75%
5 Years rr_AverageAnnualReturnYear05 4.51%
10 Years rr_AverageAnnualReturnYear10 1.36%
Investor Class and Class H | Telecommunications Fund | Investor Class | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 1.53%
5 Years rr_AverageAnnualReturnYear05 3.68%
10 Years rr_AverageAnnualReturnYear10 0.64%
Investor Class and Class H | Telecommunications Fund | Investor Class | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 1.57%
5 Years rr_AverageAnnualReturnYear05 3.14%
10 Years rr_AverageAnnualReturnYear10 0.74%
Investor Class and Class H | Telecommunications Fund | Class H  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYMAX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.85% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25% [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.51% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.61% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 164
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 508
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 876
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,911
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 2.20%
5 Years rr_AverageAnnualReturnYear05 4.03%
10 Years rr_AverageAnnualReturnYear10 0.89%
Investor Class and Class H | Telecommunications Fund | Class H | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 0.87%
5 Years rr_AverageAnnualReturnYear05 3.14%
10 Years rr_AverageAnnualReturnYear10 0.12%
Investor Class and Class H | Telecommunications Fund | Class H | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 1.26%
5 Years rr_AverageAnnualReturnYear05 2.74%
10 Years rr_AverageAnnualReturnYear10 0.36%
Investor Class and Class H | Transportation Fund  
Prospectus: rr_ProspectusTable  
Risk/Return [Heading] rr_RiskReturnHeading TRANSPORTATION FUND
Objective [Heading] rr_ObjectiveHeading INVESTMENT OBJECTIVE
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock
The Transportation Fund (the “Fund”) seeks to provide capital appreciation by investing in companies engaged in providing transportation services or companies engaged in the design, manufacture, distribution, or sale of transportation equipment (“Transportation Companies”).
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 Investor Class shares or Class H shares of the Fund.
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 247% 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 247.00%
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.
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption 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:
Strategy [Heading] rr_StrategyHeading PRINCIPAL INVESTMENT STRATEGIES
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock
Under normal circumstances, the Fund invests substantially all (at least 80%) of its net assets in equity securities of Transportation Companies that are traded in the United States and in derivatives, which primarily consist of futures contracts and options on securities, futures contracts, and stock indices. The Fund may invest to a significant extent in the securities of Transportation Companies that have small to mid-sized capitalizations. Transportation Companies may include, for example, companies involved in the movement of freight or people, such as airline, railroad, ship, truck and bus companies; equipment manufacturers; parts suppliers; and companies involved in leasing, maintenance, and transportation-related services. The Fund also may purchase American Depositary Receipts (“ADRs”) to gain exposure to foreign Transportation Companies and U.S. government securities.
Investments in derivative instruments, such as futures and options, have the economic effect of creating financial leverage in the Fund’s portfolio because such investments may give rise to losses that exceed the amount the Fund has invested in those instruments. Financial leverage will magnify, sometimes significantly, the Fund’s exposure to any increase or decrease in prices associated with a particular reference asset resulting in increased volatility in the value of the Fund’s portfolio. The value of the Fund’s portfolio is likely to experience greater volatility over short-term periods. While such financial leverage has the potential to produce greater gains, it also may result in greater losses, which in some cases may cause the Fund to liquidate other portfolio investments at a loss to comply with limits on leverage and asset segregation requirements imposed by the Investment Company Act of 1940 or to meet redemption requests.

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 invests in the securities of a limited number of issuers conducting business in the transportation sector and, therefore, may be concentrated in an industry or group of industries within the transportation sector. 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.
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 the principal risks described below.

ACTIVE TRADING RISK—The Fund may be used as a tool for certain investors that employ trading strategies involving frequent trading. Such trading strategies may lead to increased portfolio turnover in the Fund, higher transaction costs, and the possibility of increased short-term capital gains (which will be taxable to shareholders as ordinary income when distributed to them) and/or long-term capital gains. Large movements of assets into and out of the Fund due to active or frequent trading also may adversely affect the Fund's ability to achieve its investment objective.

DEPOSITARY RECEIPT RISKThe Fund may hold the securities of non-U.S. companies in the form of ADRs. The underlying securities of the ADRs in the Fund’s portfolio are subject to fluctuations in foreign currency exchange rates that may affect the value of the Fund’s portfolio. In addition, the value of the securities underlying the ADRs may change materially when the U.S. markets are not open for trading. Investments in the underlying foreign securities also involve political and economic risks distinct from those associated with investing in the securities of U.S. issuers.

DERIVATIVES RISKThe Fund’s investments in derivatives may pose risks in addition to and greater than those associated with investing directly in securities or other investments, including risks relating to leverage, imperfect correlations with underlying investments or the Fund’s other portfolio holdings, high price volatility, lack of availability, counterparty credit, liquidity, valuation and legal restrictions. Their use is a highly specialized activity that involves investment techniques and risks different from those associated with ordinary portfolio securities transactions. If the Advisor is incorrect about its expectations of market conditions, the use of derivatives could also result in a loss, which in some cases may be unlimited. Certain risks are specific to the derivatives in which the Fund invests.

FUTURES CONTRACTS RISKFutures contracts are typically exchange-traded contracts that call for the future delivery of an asset at a certain price and date, or cash settlement of the terms of the contract. Risks of futures contracts may be caused by an imperfect correlation between movements in the price of the instruments and the price of the underlying securities. In addition, there is the risk that the Fund may not be able to enter into a closing transaction because of an illiquid market. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Futures markets are highly volatile and the use of futures may increase the volatility of the Fund’s NAV. Futures are also subject to leverage risks and to liquidity risk.

OPTIONS RISKOptions or options on futures contracts give the holder of the option the right to buy (or to sell) a position in a security or in a contract to the writer of the option, at a certain price. They are subject to correlation risk because there may be an imperfect correlation between the options and the securities markets that cause a given transaction to fail to achieve its objectives. The successful use of options depends on the Advisor’s ability to correctly predict future price fluctuations and the degree of correlation between the options and securities markets. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Options are also particularly subject to leverage risk and can be subject to liquidity risk.

EARLY CLOSING RISKThe 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.

EQUITY RISKThe Fund is subject to the risk that the value of the equity securities or equity-based derivatives in the Fund’s portfolio will decline due to volatility in the equity market caused by general market and economic conditions, perceptions regarding particular industries represented in the equity market, or factors relating to specific companies to which the Fund has investment exposure.

FOREIGN ISSUER EXPOSURE RISKThe Fund may invest in securities of foreign companies directly, or in financial instruments that are indirectly linked to the performance of foreign issuers, such as ADRs. The Fund’s exposure to foreign issuers and investments in foreign securities, if any, are subject to additional risks in comparison to U.S. securities and U.S. issuers, including currency fluctuations, adverse political and economic developments, unreliable or untimely information, less liquidity, limited legal recourse and higher transactional costs.

MARKET RISKThe market value of the securities and derivatives held by the Fund may fluctuate resulting from factors affecting the individual company or other factors such as changing economic, political or financial market conditions. Moreover, changing economic, political or financial market conditions in one country or geographic region could adversely impact the market value of the securities held by the Fund in a different country or geographic region.

MID-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that medium-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

NON-DIVERSIFICATION RISKThe 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.

PORTFOLIO TURNOVER RISKThe Fund’s strategy may frequently involve buying and selling portfolio securities, which may lead to increased costs to the Fund. Portfolio turnover risk may cause the Fund’s performance to be less than you expect.

SMALL-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that small-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

TEMPORARY DEFENSIVE INVESTMENT RISKThe 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 RISKIf 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.

TRANSPORTATION SECTOR RISKTo the extent that the Fund’s investments are exposed to issuers conducting business in the transportation sector, the Fund is subject to the risk that the securities of such issuers will underperform the market as a whole due to legislative or regulatory changes, adverse market conditions and/or increased competition affecting that economic sector. The prices of the securities of Transportation Companies also may fluctuate widely in response to such events.

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 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.
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 Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index. Effective upon the close of business on September 30, 2015, the Fund converted its existing Advisor Class shares to Class H shares. For periods prior to September 30, 2015, the performance shown reflects the performance of Advisor Class shares. The returns shown have not been adjusted to reflect any differences in expenses between Advisor Class shares and Class H shares. However, the Fund's Class H shares would have annual returns substantially similar to those of the Fund's former Advisor Class shares because they are invested in the same portfolio of securities and have a similar expense structure to the former Advisor Class shares. The figures in the bar chart and tables assume the reinvestment of dividends and capital gains distributions. 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.guggenheiminvestments.com or by calling Guggenheim Investments Client Services at 800.820.0888.

Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following bar chart shows the performance of the Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone 800.820.0888
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.guggenheiminvestments.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 Investor Class shares is based on a calendar year. The year-to-date return for the period from January 1, 2015 through June 30, 2015 is -7.48%.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Highest Quarter Return
 
Lowest Quarter Return
 
Q3 2009
18.91%
 
Q3 2011
-24.42
 %
Performance Table Heading rr_PerformanceTableHeading AVERAGE ANNUAL TOTAL RETURN (for periods ended December 31, 2014)
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. Your actual after-tax returns will depend on your specific tax situation and may differ from those shown below.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred 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.
Investor Class and Class H | Transportation Fund | S&P 500 Index  
Prospectus: rr_ProspectusTable  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes reflects no deduction for fees, expenses or taxes
Label rr_AverageAnnualReturnLabel S&P 500® Index (reflects no deduction for fees, expenses or taxes)
1 Year rr_AverageAnnualReturnYear01 13.69%
5 Years rr_AverageAnnualReturnYear05 15.45%
10 Years rr_AverageAnnualReturnYear10 7.67%
Investor Class and Class H | Transportation Fund | Investor Class  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYPIX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.85% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.50% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.35% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 137
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 428
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 739
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,624
Annual Return 2005 rr_AnnualReturn2005 7.78%
Annual Return 2006 rr_AnnualReturn2006 7.41%
Annual Return 2007 rr_AnnualReturn2007 (8.84%)
Annual Return 2008 rr_AnnualReturn2008 (25.14%)
Annual Return 2009 rr_AnnualReturn2009 15.37%
Annual Return 2010 rr_AnnualReturn2010 24.15%
Annual Return 2011 rr_AnnualReturn2011 (11.09%)
Annual Return 2012 rr_AnnualReturn2012 17.43%
Annual Return 2013 rr_AnnualReturn2013 50.87%
Annual Return 2014 rr_AnnualReturn2014 22.39%
Year to Date Return, Label rr_YearToDateReturnLabel year-to-date return
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Jun. 30, 2015
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn (7.48%)
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest Quarter Return
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Sep. 30, 2009
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 18.91%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest Quarter Return
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Sep. 30, 2011
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (24.42%)
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 23.29%
5 Years rr_AverageAnnualReturnYear05 19.24%
10 Years rr_AverageAnnualReturnYear10 8.19%
Investor Class and Class H | Transportation Fund | Investor Class | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 23.29%
5 Years rr_AverageAnnualReturnYear05 19.24%
10 Years rr_AverageAnnualReturnYear10 8.17%
Investor Class and Class H | Transportation Fund | Investor Class | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 13.18%
5 Years rr_AverageAnnualReturnYear05 15.72%
10 Years rr_AverageAnnualReturnYear10 6.68%
Investor Class and Class H | Transportation Fund | Class H  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYPAX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.85% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25% [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.50% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.60% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 163
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 505
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 871
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,900
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 22.68%
5 Years rr_AverageAnnualReturnYear05 18.68%
10 Years rr_AverageAnnualReturnYear10 7.67%
Investor Class and Class H | Transportation Fund | Class H | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 22.68%
5 Years rr_AverageAnnualReturnYear05 18.68%
10 Years rr_AverageAnnualReturnYear10 7.64%
Investor Class and Class H | Transportation Fund | Class H | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 12.84%
5 Years rr_AverageAnnualReturnYear05 15.23%
10 Years rr_AverageAnnualReturnYear10 6.23%
Investor Class and Class H | Utilities Fund  
Prospectus: rr_ProspectusTable  
Risk/Return [Heading] rr_RiskReturnHeading UTILITIES FUND
Objective [Heading] rr_ObjectiveHeading INVESTMENT OBJECTIVE
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock
The Utilities Fund (the “Fund”) seeks to provide capital appreciation by investing in companies that operate public utilities (“Utilities Companies”).
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 Investor Class shares or Class H shares of the Fund.
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 384% 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 384.00%
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.
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption 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:
Strategy [Heading] rr_StrategyHeading PRINCIPAL INVESTMENT STRATEGIES
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock
Under normal circumstances, the Fund invests substantially all (at least 80%) of its net assets in equity securities of Utilities Companies that are traded in the United States and in derivatives, which primarily consist of futures contracts and options on securities, futures contracts, and stock indices. The Fund may invest to a significant extent in the securities of Utilities Companies that have small to mid-sized capitalizations. Utilities Companies may include companies involved in the manufacturing, production, generation, transmission, distribution or sales of gas or electric energy; water supply, waste and sewage disposal; and companies that receive a majority of their revenues from their public utility operations. The Fund also may purchase American Depositary Receipts (“ADRs”) to gain exposure to foreign Utilities Companies and U.S. government securities.
Investments in derivative instruments, such as futures and options, have the economic effect of creating financial leverage in the Fund’s portfolio because such investments may give rise to losses that exceed the amount the Fund has invested in those instruments. Financial leverage will magnify, sometimes significantly, the Fund’s exposure to any increase or decrease in prices associated with a particular reference asset resulting in increased volatility in the value of the Fund’s portfolio. The value of the Fund’s portfolio is likely to experience greater volatility over short-term periods. While such financial leverage has the potential to produce greater gains, it also may result in greater losses, which in some cases may cause the Fund to liquidate other portfolio investments at a loss to comply with limits on leverage and asset segregation requirements imposed by the Investment Company Act of 1940 or to meet redemption requests.

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 invests in the securities of a limited number of issuers conducting business in the utilities sector and, therefore, may be concentrated in an industry or group of industries within the utilities sector. 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.
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 the principal risks described below.

ACTIVE TRADING RISK—The Fund may be used as a tool for certain investors that employ trading strategies involving frequent trading. Such trading strategies may lead to increased portfolio turnover in the Fund, higher transaction costs, and the possibility of increased short-term capital gains (which will be taxable to shareholders as ordinary income when distributed to them) and/or long-term capital gains. Large movements of assets into and out of the Fund due to active or frequent trading also may adversely affect the Fund's ability to achieve its investment objective.

DEPOSITARY RECEIPT RISKThe Fund may hold the securities of non-U.S. companies in the form of ADRs. The underlying securities of the ADRs in the Fund’s portfolio are subject to fluctuations in foreign currency exchange rates that may affect the value of the Fund’s portfolio. In addition, the value of the securities underlying the ADRs may change materially when the U.S. markets are not open for trading. Investments in the underlying foreign securities also involve political and economic risks distinct from those associated with investing in the securities of U.S. issuers.

DERIVATIVES RISKThe Fund’s investments in derivatives may pose risks in addition to and greater than those associated with investing directly in securities or other investments, including risks relating to leverage, imperfect correlations with underlying investments or the Fund’s other portfolio holdings, high price volatility, lack of availability, counterparty credit, liquidity, valuation and legal restrictions. Their use is a highly specialized activity that involves investment techniques and risks different from those associated with ordinary portfolio securities transactions. If the Advisor is incorrect about its expectations of market conditions, the use of derivatives could also result in a loss, which in some cases may be unlimited. Certain risks are specific to the derivatives in which the Fund invests.

FUTURES CONTRACTS RISKFutures contracts are typically exchange-traded contracts that call for the future delivery of an asset at a certain price and date, or cash settlement of the terms of the contract. Risks of futures contracts may be caused by an imperfect correlation between movements in the price of the instruments and the price of the underlying securities. In addition, there is the risk that the Fund may not be able to enter into a closing transaction because of an illiquid market. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Futures markets are highly volatile and the use of futures may increase the volatility of the Fund’s NAV. Futures are also subject to leverage risks and to liquidity risk.

OPTIONS RISKOptions or options on futures contracts give the holder of the option the right to buy (or to sell) a position in a security or in a contract to the writer of the option, at a certain price. They are subject to correlation risk because there may be an imperfect correlation between the options and the securities markets that cause a given transaction to fail to achieve its objectives. The successful use of options depends on the Advisor’s ability to correctly predict future price fluctuations and the degree of correlation between the options and securities markets. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Options are also particularly subject to leverage risk and can be subject to liquidity risk.

EARLY CLOSING RISKThe 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.

EQUITY RISKThe Fund is subject to the risk that the value of the equity securities or equity-based derivatives in the Fund’s portfolio will decline due to volatility in the equity market caused by general market and economic conditions, perceptions regarding particular industries represented in the equity market, or factors relating to specific companies to which the Fund has investment exposure.

FOREIGN ISSUER EXPOSURE RISKThe Fund may invest in securities of foreign companies directly, or in financial instruments that are indirectly linked to the performance of foreign issuers, such as ADRs. The Fund’s exposure to foreign issuers and investments in foreign securities, if any, are subject to additional risks in comparison to U.S. securities and U.S. issuers, including currency fluctuations, adverse political and economic developments, unreliable or untimely information, less liquidity, limited legal recourse and higher transactional costs.

MARKET RISKThe market value of the securities and derivatives held by the Fund may fluctuate resulting from factors affecting the individual company or other factors such as changing economic, political or financial market conditions. Moreover, changing economic, political or financial market conditions in one country or geographic region could adversely impact the market value of the securities held by the Fund in a different country or geographic region.

MID-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that medium-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

NON-DIVERSIFICATION RISKThe 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.

PORTFOLIO TURNOVER RISKThe Fund’s strategy may frequently involve buying and selling portfolio securities, which may lead to increased costs to the Fund. Portfolio turnover risk may cause the Fund’s performance to be less than you expect.

SMALL-CAPITALIZATION SECURITIES RISKThe Fund is subject to the risk that small-capitalization stocks may underperform other segments of the equity market or the equity market as a whole.

TEMPORARY DEFENSIVE INVESTMENT RISKThe 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 RISKIf 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.

UTILITIES SECTOR RISKTo the extent that the Fund’s investments are exposed to issuers conducting business in the utilities sector, the Fund is subject to the risk that the securities of such issuers will underperform the market as a whole due to legislative or regulatory changes, adverse market conditions and/or increased competition affecting that economic sector. The prices of the securities of Utilities Companies also may fluctuate widely in response to such events.
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 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.
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 Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index. Effective upon the close of business on September 30, 2015, the Fund converted its existing Advisor Class shares to Class H shares. For periods prior to September 30, 2015, the performance shown reflects the performance of Advisor Class shares. The returns shown have not been adjusted to reflect any differences in expenses between Advisor Class shares and Class H shares. However, the Fund's Class H shares would have annual returns substantially similar to those of the Fund's former Advisor Class shares because they are invested in the same portfolio of securities and have a similar expense structure to the former Advisor Class shares. The figures in the bar chart and tables assume the reinvestment of dividends and capital gains distributions. 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.guggenheiminvestments.com or by calling Guggenheim Investments Client Services at 800.820.0888.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following bar chart shows the performance of the Investor 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 tables show the performance of the Investor Class shares and former Advisor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone 800.820.0888
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.guggenheiminvestments.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 Investor Class shares is based on a calendar year. The year-to-date return for the period from January 1, 2015 through June 30, 2015 is -10.49%.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Highest Quarter Return
 
Lowest Quarter Return
 
Q1 2013
13.38%
 
Q3 2008
-17.45
 %
Performance Table Heading rr_PerformanceTableHeading AVERAGE ANNUAL TOTAL RETURN (for periods ended December 31, 2014)
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. Your actual after-tax returns will depend on your specific tax situation and may differ from those shown below.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred 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.
Investor Class and Class H | Utilities Fund | S&P 500 Index  
Prospectus: rr_ProspectusTable  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes reflects no deduction for fees, expenses or taxes
Label rr_AverageAnnualReturnLabel S&P 500® Index (reflects no deduction for fees, expenses or taxes)
1 Year rr_AverageAnnualReturnYear01 13.69%
5 Years rr_AverageAnnualReturnYear05 15.45%
10 Years rr_AverageAnnualReturnYear10 7.67%
Investor Class and Class H | Utilities Fund | Investor Class  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYUIX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.85% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.50% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.35% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 137
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 428
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 739
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,624
Annual Return 2005 rr_AnnualReturn2005 10.17%
Annual Return 2006 rr_AnnualReturn2006 20.38%
Annual Return 2007 rr_AnnualReturn2007 13.20%
Annual Return 2008 rr_AnnualReturn2008 (28.09%)
Annual Return 2009 rr_AnnualReturn2009 14.03%
Annual Return 2010 rr_AnnualReturn2010 6.87%
Annual Return 2011 rr_AnnualReturn2011 17.91%
Annual Return 2012 rr_AnnualReturn2012 1.47%
Annual Return 2013 rr_AnnualReturn2013 13.97%
Annual Return 2014 rr_AnnualReturn2014 23.14%
Year to Date Return, Label rr_YearToDateReturnLabel year-to-date return
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Jun. 30, 2015
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn (10.49%)
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest Quarter Return
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Mar. 31, 2013
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 13.38%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest Quarter Return
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Sep. 30, 2008
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (17.45%)
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 23.14%
5 Years rr_AverageAnnualReturnYear05 12.41%
10 Years rr_AverageAnnualReturnYear10 8.25%
Investor Class and Class H | Utilities Fund | Investor Class | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 22.95%
5 Years rr_AverageAnnualReturnYear05 11.04%
10 Years rr_AverageAnnualReturnYear10 7.19%
Investor Class and Class H | Utilities Fund | Investor Class | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 13.09%
5 Years rr_AverageAnnualReturnYear05 9.20%
10 Years rr_AverageAnnualReturnYear10 6.16%
Investor Class and Class H | Utilities Fund | Class H  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYAUX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.85% [2]
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25% [2]
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.49% [2]
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.59% [2]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 162
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 502
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 866
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,889
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 22.42%
5 Years rr_AverageAnnualReturnYear05 11.85%
10 Years rr_AverageAnnualReturnYear10 7.72%
Investor Class and Class H | Utilities Fund | Class H | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 22.22%
5 Years rr_AverageAnnualReturnYear05 10.39%
10 Years rr_AverageAnnualReturnYear10 6.59%
Investor Class and Class H | Utilities Fund | Class H | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 12.69%
5 Years rr_AverageAnnualReturnYear05 8.70%
10 Years rr_AverageAnnualReturnYear10 5.68%
Investor Class and Class H | Government Long Bond 1.2x Strategy Fund  
Prospectus: rr_ProspectusTable  
Risk/Return [Heading] rr_RiskReturnHeading GOVERNMENT LONG BOND 1.2X STRATEGY FUND
Supplement [Text Block] cik0000899148_SupplementTextBlock
IMPORTANT INFORMATION ABOUT THE FUND
The Government Long Bond 1.2x Strategy Fund (the “Fund”) is very different from most other mutual funds in that it seeks daily leveraged investment results.  As a result, the Fund may be riskier than alternatives that do not use leverage because the performance of an investment in the Fund is magnified. 
The effect of leverage on the Fund will generally cause the Fund’s performance to not correspond to the performance of the Fund’s benchmark (as described below) over a period of time greater than one day. This means that the return of the Fund for a period of longer than a single trading day will be the result of each day’s compounded returns over the period, which will likely differ from 1.2x of the return of the Fund’s benchmark for that period. As a consequence, especially in periods of market volatility, the path or trend of the benchmark during the longer period may be at least as important to the Fund’s cumulative return for the longer period as the cumulative return of the benchmark for the relevant longer period.  Further, the return for investors who invest for a period longer than a single trading day will not be the product of the return of the Fund’s stated investment goal (e.g., 1.2x) and the cumulative performance of the benchmark.
The Fund is not suitable for all investors.  The Fund should be utilized only by investors who (a) understand the risks associated with the use of leverage, (b) understand the consequences of seeking daily leveraged investment results, and (c) intend to actively monitor and manage their investments.  Investors who do not meet these criteria should not buy shares of the Fund. An investment in the Fund is not a complete investment program.
Objective [Heading] rr_ObjectiveHeading INVESTMENT OBJECTIVE
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock
The Fund seeks to provide investment results that correspond, before fees and expenses, to a benchmark for U.S. government securities on a daily basis. The Fund’s current benchmark is 120% of the daily price movement of the Long Treasury Bond. The Long Treasury Bond is the U.S. Treasury bond with the longest maturity, which is currently 30 years. The price movement of the Long Treasury Bond is based on the daily price change of the most recently issued Long Treasury Bond. The Fund does not seek to achieve its investment objective over a period of time greater than one day.
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 Investor Class shares or Class H shares of the Fund.
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 1,932% 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 1932.00%
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.
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption 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:
Strategy [Heading] rr_StrategyHeading PRINCIPAL INVESTMENT STRATEGIES
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock
The Fund employs as its investment strategy a program of investing in U.S. government securities and derivative instruments, which primarily consist of futures contracts, interest rate swaps, and options on securities and futures contracts. While the Fund may write (sell) and purchase swaps, it expects primarily to purchase swaps. Futures and options contracts, and interest rate swaps, if used properly, may enable the Fund to meet its objective by increasing the Fund’s exposure to the securities included in the Fund's benchmark or to securities whose performance is highly correlated to the Fund's benchmark. The Advisor attempts to consistently apply leverage to increase the Fund's exposure to 120% of the Fund's benchmark. The Fund’s use of derivatives and the leveraged investment exposure created by such use are expected to be significant. Certain of the Fund’s derivatives investments may be traded in the over-the-counter (“OTC”) market, which generally provides for less transparency than exchange-traded derivative instruments. Under normal circumstances, the Fund will invest at least 80% of its net assets, plus any borrowings for investment purposes, in fixed income securities issued by the U.S. government (and derivatives thereof).
Investments in derivative instruments, such as futures, options and swap agreements, have the economic effect of creating financial leverage in the Fund’s portfolio because such investments may give rise to losses that exceed the amount the Fund has invested in those instruments. Financial leverage will magnify, sometimes significantly, the Fund’s exposure to any increase or decrease in prices associated with a particular reference asset resulting in increased volatility in the value of the Fund’s portfolio. The value of the Fund’s portfolio is likely to experience greater volatility over short-term periods. While such financial leverage has the potential to produce greater gains, it also may result in greater losses, which in some cases may cause the Fund to liquidate other portfolio investments at a loss to comply with limits on leverage and asset segregation requirements imposed by the Investment Company Act of 1940 or to meet redemption requests.

Some of the Fund’s U.S. government securities, or cash equivalents, will be used to collateralize its derivatives positions. The Fund also may invest in zero coupon U.S. Treasury bonds and 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 certain circumstances the Fund may invest a substantial portion of its assets in other short-term fixed-income investment companies advised by the Advisor, or an affiliate of the Advisor, for liquidity management purposes, including in order to increase yield on liquid investments used to collateralize derivatives positions. Investments in these investment companies will significantly increase the portfolio’s exposure to certain other asset categories, including: (i) a broad range of high yield, high risk debt securities rated below the top four long-term rating categories by a nationally recognized statistical rating organization or, if unrated, determined by the Advisor, to be of comparable quality (also known as “junk bonds”); (ii) securities issued by the U.S. government or its agencies and instrumentalities; (iii) collateralized loan obligations (“CLOs”), other asset-backed securities (including mortgage-backed securities) and similarly structured debt investments; and (iv) other short-term fixed income securities. Such investments will expose the Fund to the risks of these asset categories and increases or decreases in the value of these investments may cause the Fund to deviate from its investment objective.
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 the principal risks described below.

ACTIVE TRADING RISK—The Fund may be used as a tool for certain investors that employ trading strategies involving frequent trading. Such trading strategies may lead to increased portfolio turnover in the Fund, higher transaction costs, and the possibility of increased short-term capital gains (which will be taxable to shareholders as ordinary income when distributed to them) and/or long-term capital gains. Large movements of assets into and out of the Fund due to active or frequent trading also may adversely affect the Fund's ability to achieve its investment objective.
 
ASSET-BACKED AND MORTGAGE-BACKED SECURITIES RISKThrough its investments in other investment companies, the Fund may have exposure to asset-backed securities, including mortgage-backed securities and structured finance investments. Investors in these securities generally receive payments that are part interest and part return of principal. These payments may vary based on the rate at which the underlying borrowers pay off their loans. Some asset-backed securities, including mortgage-backed securities, may have structures that make their reaction to interest rates and other factors difficult to predict, making their prices very volatile and they are subject to liquidity risk.

CLO RISKThrough its investments in other investment companies, the Fund may have exposure to CLOs. A CLO is a trust typically collateralized by a pool of loans, which may include, among others, domestic and foreign senior secured loans, senior unsecured loans, and subordinate corporate loans, including loans that may be rated below investment grade or equivalent unrated loans. The cash flows from the trust are split into two or more portions, called tranches, varying in risk and yield. CLO tranches can experience substantial losses due to actual defaults, increased sensitivity to defaults due to collateral default and disappearance of protecting tranches, market anticipation of defaults, as well as aversion to CLO securities as a class. The risks of an investment in a CLO depend largely on the type of the collateral securities and the class of the CLO in which the Fund invests.

CORRELATION AND COMPOUNDING RISKA number of factors may affect the Fund’s ability to achieve a high degree of correlation with its benchmark, and there can be no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective. The Fund does not attempt to, and should not be expected to, provide returns which are a multiple of the returns of the underlying index for periods other than a single day. The risk of the Fund not achieving its daily investment objective will be more acute when the Long Treasury Bond has an extreme one-day movement approaching 50%. In addition, as a result of compounding, the Fund’s performance for periods greater than one day is likely to be either greater than or less than the performance of the Long Treasury Bond times the stated multiple in the Fund’s investment objective, before accounting for fees and Fund expenses.

Compounding affects all investments, but has a more significant impact on a leveraged benchmark fund. In general, particularly during periods of higher benchmark volatility, compounding will cause longer-term results to be more or less than the return of the Fund’s benchmark. This effect becomes more pronounced as volatility increases.

Fund performance for periods greater than one day can be estimated given any set of assumptions for the following factors: (a) the performance of the Long Treasury Bond; (b) volatility of the Long Treasury Bond; (c) financing rates associated with leverage; (d) other Fund expenses; and (e) period of time. The table below illustrates the impact of two principal factors – volatility and index performance – on Fund performance. The table shows estimated Fund returns for a number of combinations of performance and volatility over a one-year period. Performance shown in the table assumes: (a) no Fund expenses; and (b) a cost of leverage of zero percent. If Fund expenses, including the cost of leverage, were included, the Fund’s performance would be lower than shown.
 
Areas shaded lighter represent those scenarios where the Fund can be expected to return more than 120% of the performance of the Long Treasury Bond; conversely, areas shaded darker represent those scenarios where the Fund can be expected to return less than 120% of the performance of the Long Treasury Bond.

Index Performance
Annualized Volatility
1x
1.2x
10%
25%
50%
75%
100%
-60%
-72%
-67%
-67%
-68%
-69%
-71%
-50%
-60%
-57%
-57%
-58%
-60%
-62%
-40%
-48%
-46%
-46%
-48%
-49%
-51%
-30%
-36%
-35%
-35%
-37%
-39%
-42%
-20%
-24%
-24%
-25%
-25%
-28%
-32%
-10%
-12%
-12%
-13%
-15%
-18%
-22%
0%
0%
0%
0%
-3%
-6%
-12%
10%
12%
12%
11%
9%
5%
-1%
20%
24%
24%
24%
20%
18%
11%
30%
36%
37%
36%
32%
28%
21%
40%
48%
49%
48%
45%
40%
32%
50%
60%
62%
61%
58%
53%
43%
60%
72%
76%
75%
71%
65%
56%

The Long Treasury Bond's annualized historical volatility rate for the five year period ended June 30, 2015 is 12.22%. The Long Treasury Bond's highest one-year volatility rate during the five year period is 16.40%. The Long Treasury Bond's annualized performance for the five year period ended June 30, 2015 is 6.25%.

The historical volatility and performance of the Long Treasury Bond are not indications of what the Long Treasury Bond volatility and performance will be in the future. The table is intended to underscore that the Fund is designed as a short-term trading vehicle for investors who intend to actively monitor and manage their portfolios.

COUNTERPARTY CREDIT RISKThe 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, the Fund is exposed to the risk that the counterparty may be unwilling or unable to make timely payments to meet its contractual obligations or may fail to return holdings that are subject to the agreement with the counterparty. If the counterparty becomes bankrupt or defaults on its payment obligations to the Fund, the Fund may not receive the full amount that it is entitled to receive. If this occurs, the value of your shares in the Fund will decrease.

CREDIT RISKThe Fund could lose money if the issuer or guarantor of a debt instrument in which it invests or a counterparty to a derivatives transaction or other transaction becomes unwilling or unable to make timely principal and/or interest payments, or to otherwise meet its obligations. The issuer of a debt instrument, such as a bond, could also suffer a decrease in quality rating, which may affect the volatility of the price and liquidity of the bond.

DERIVATIVES RISKThe Fund’s investments in derivatives may pose risks in addition to and greater than those associated with investing directly in securities or other investments, including risks relating to leverage, imperfect correlations with underlying investments or the Fund’s other portfolio holdings, high price volatility, lack of availability, counterparty credit, liquidity, valuation and legal restrictions. Their use is a highly specialized activity that involves investment techniques and risks different from those associated with ordinary portfolio securities transactions. If the Advisor is incorrect about its expectations of market conditions, the use of derivatives could also result in a loss, which in some cases may be unlimited. Certain risks are specific to the derivatives in which the Fund invests.

SWAP AGREEMENTS RISKSwap agreements are contracts among the Fund and a counterparty to exchange the return of the pre-determined underlying investment (such as the rate of return of the underlying index). Swap agreements may be negotiated bilaterally and traded OTC between two parties or, in some instances, must be transacted through a futures commission merchant and cleared through a clearinghouse that serves as a central counterparty. Risks associated with the use of swap agreements are different from those associated with ordinary portfolio securities transactions, due in part to the fact they could be considered illiquid and many swaps trade on the OTC market. Swaps are particularly subject to counterparty credit, correlation, valuation, liquidity and leveraging risks. Certain standardized swaps are subject to mandatory central clearing. Central clearing is expected to reduce counterparty credit risk and increase liquidity, but central clearing does not make swap transactions risk-free.

FUTURES CONTRACTS RISKFutures contracts are typically exchange-traded contracts that call for the future delivery of an asset at a certain price and date, or cash settlement of the terms of the contract. Risks of futures contracts may be caused by an imperfect correlation between movements in the price of the instruments and the price of the underlying securities. In addition, there is the risk that the Fund may not be able to enter into a closing transaction because of an illiquid market. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Futures markets are highly volatile and the use of futures may increase the volatility of the Fund’s NAV. Futures are also subject to leverage risks and to liquidity risk.

OPTIONS RISKOptions or options on futures contracts give the holder of the option the right to buy (or to sell) a position in a security or in a contract to the writer of the option, at a certain price. They are subject to correlation risk because there may be an imperfect correlation between the options and the securities markets that cause a given transaction to fail to achieve its objectives. The successful use of options depends on the Advisor’s ability to correctly predict future price fluctuations and the degree of correlation between the options and securities markets. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Options are also particularly subject to leverage risk and can be subject to liquidity risk.

EARLY CLOSING RISKThe 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.

HIGH YIELD AND UNRATED SECURITIES RISKThe Fund’s exposure to higher yielding, below investment grade and unrated high risk debt securities (commonly known as “junk bonds”) may present additional risk because these securities may be less liquid and present greater credit risk than investment grade bonds. The price of high yield securities tends to be subject to greater volatility due to issuer-specific operating results and outlook and to real or perceived adverse economic and competitive industry conditions. This exposure may be obtained through investments in other investment companies.

INTEREST RATE RISKThe market value of fixed income investments and related financial instruments will change in response to interest rate changes. During periods of falling interest rates, the values of fixed income securities generally rise. Conversely, during periods of rising interest rates, the values of such securities generally decline. Accordingly, the potential for the value of a floating rate security to increase/decrease in response to interest rate declines/increases is limited. Fixed income securities with longer durations are subject to greater volatility than those with shorter durations. Thus, if interest rates rise sharply, the value of the Fund’s fixed income investments and share price could decline. The Fund may be subject to a greater risk of rising interest rates due to the current period of historically low rates and the effect of potential government fiscal policy initiatives and resulting market reaction to those initiatives.

INVESTMENT IN INVESTMENT VEHICLES RISKInvesting in other investment vehicles, including, exchange-traded funds, closed-end funds, affiliated short-term fixed-income funds and other mutual funds, subjects the Fund to those risks affecting the investment vehicle, including the possibility that the value of the underlying securities held by the investment vehicle could decrease. Moreover, the Fund will incur its pro rata share of the expenses of the underlying investment vehicles’ expenses. Consequently, an investment in the Fund entails more direct and indirect expenses than a direct investment in the underlying investment vehicles.

INVESTMENTS IN LOANS RISKInvestments in loans involve special types of risks, including credit risk, interest rate risk, counterparty risk and prepayment risk. Loans may offer a fixed or floating interest rate. Loans are often generally below investment grade and may be unrated. Loans may be difficult to value and some can be subject to liquidity risk.

LEVERAGING RISKThe Fund achieves leveraged exposure to the Long Treasury Bond through the use of derivative instruments.  The more the Fund invests in leveraged instruments, the more this leverage will magnify any losses on those investments. The Fund’s investment in these 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. Since the Fund’s investment strategy involves consistently applied leverage, the value of the Fund’s shares will tend to increase or decrease more than the value of any increase or decrease in the Long Treasury Bond. Leverage also will have the effect of magnifying tracking error.

LIQUIDITY RISK—In certain circumstances, it may be difficult for the Fund to purchase and sell a particular security or derivative instrument within a reasonable time at a fair price. While the Fund 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 market value of the securities and derivatives held by the Fund may fluctuate resulting from factors affecting the individual company or other factors such as changing economic, political or financial market conditions. Moreover, changing economic, political or financial market conditions in one country or geographic region could adversely impact the market value of the securities held by the Fund in a different country or geographic region.

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 RISKCertain 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 derivatives contracts.

PASSIVE INVESTMENT RISKThe Fund is not actively managed and the Advisor 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 is actively managed.
 
PORTFOLIO TURNOVER RISKDaily rebalancing of the Fund's holdings pursuant to its daily investment objective may lead to a greater number of portfolio transactions in the Fund than experienced by other mutual funds. Such frequent and active trading may lead to significantly higher transaction costs because of increased broker commissions associated with such transactions.

PREPAYMENT RISKThe Fund’s investments in or exposure to fixed income investments subjects the Fund to prepayment risk. Securities subject to prepayment risk generally offer less potential for gains when interest rates decline, because issuers of the securities may be able to prepay the principal due on the securities, and may offer a greater potential for income loss when interest rates rise.

REPURCHASE AGREEMENT RISKThe 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.

TRACKING ERROR RISKThe Advisor may not be able to cause the Fund’s performance to correspond to that of the Fund’s benchmark, either on a daily or aggregate basis. Factors such as Fund expenses, imperfect correlation between the Fund’s investments and the Long Treasury Bond, rounding of share prices, regulatory policies, high portfolio turnover rate, and the use of leverage all contribute to tracking error. Tracking error may cause the Fund’s performance to be less than you expect.

TRADING HALT RISKIf 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.

U.S. GOVERNMENT SECURITIES RISK—U.S. government securities may or may not be backed by the full faith and credit of the U.S. government. The value of U.S. government securities will fluctuate and such securities are subject to the risks associated with fixed-income and debt securities, particularly interest rate and credit risk.

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 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.
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 Investor 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 tables show the performance of the Investor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index. Class H shares of the Fund were established on August 18, 2014 and, therefore, do not have a full calendar year of performance. The figures in the bar chart and tables assume the reinvestment of dividends and capital gains distributions. 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.guggenheiminvestments.com or by calling Guggenheim Investments Client Services at 800.820.0888.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following bar chart shows the performance of the Investor 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 tables show the performance of the Investor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone 800.820.0888
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.guggenheiminvestments.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 Investor Class shares is based on a calendar year. The year-to-date return for the period from January 1, 2015 through June 30, 2015 is -8.23%.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Highest Quarter Return
 
Lowest Quarter Return
 
Q4 2008
41.48%
 
Q1 2009
-16.06
 %
Performance Table Heading rr_PerformanceTableHeading AVERAGE ANNUAL TOTAL RETURN (for periods ended December 31, 2014)
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. Your actual after-tax returns will depend on your specific tax situation and may differ from those shown below.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred 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.
Investor Class and Class H | Government Long Bond 1.2x Strategy Fund | Barclays Capital Long Treasury Bond Index  
Prospectus: rr_ProspectusTable  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes reflects no deduction for fees, expenses or taxes
Label rr_AverageAnnualReturnLabel Barclays Capital Long Treasury Bond Index (reflects no deduction for fees, expenses or taxes)
1 Year rr_AverageAnnualReturnYear01 25.07%
5 Years rr_AverageAnnualReturnYear05 9.96%
10 Years rr_AverageAnnualReturnYear10 7.54%
Investor Class and Class H | Government Long Bond 1.2x Strategy Fund | Investor Class  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYGBX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.50%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.45%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 0.95%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 97
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 303
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 526
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,166
Annual Return 2005 rr_AnnualReturn2005 8.36%
Annual Return 2006 rr_AnnualReturn2006 (3.12%)
Annual Return 2007 rr_AnnualReturn2007 10.31%
Annual Return 2008 rr_AnnualReturn2008 49.98%
Annual Return 2009 rr_AnnualReturn2009 (31.24%)
Annual Return 2010 rr_AnnualReturn2010 10.47%
Annual Return 2011 rr_AnnualReturn2011 42.92%
Annual Return 2012 rr_AnnualReturn2012 4.51%
Annual Return 2013 rr_AnnualReturn2013 (16.04%)
Annual Return 2014 rr_AnnualReturn2014 36.10%
Year to Date Return, Label rr_YearToDateReturnLabel year-to-date return
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Jun. 30, 2015
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn (8.23%)
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest Quarter Return
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Dec. 31, 2008
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 41.48%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest Quarter Return
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Mar. 31, 2009
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (16.06%)
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 36.10%
5 Years rr_AverageAnnualReturnYear05 13.54%
10 Years rr_AverageAnnualReturnYear10 8.46%
Investor Class and Class H | Government Long Bond 1.2x Strategy Fund | Investor Class | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 35.34%
5 Years rr_AverageAnnualReturnYear05 12.68%
10 Years rr_AverageAnnualReturnYear10 7.39%
Investor Class and Class H | Government Long Bond 1.2x Strategy Fund | Investor Class | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 20.38%
5 Years rr_AverageAnnualReturnYear05 10.43%
10 Years rr_AverageAnnualReturnYear10 6.31%
Investor Class and Class H | Government Long Bond 1.2x Strategy Fund | Class H  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYHBX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.50%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 0.43%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 1.18%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 120
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 375
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 649
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 1,432
Investor Class and Class H | Inverse Government Long Bond Strategy Fund  
Prospectus: rr_ProspectusTable  
Risk/Return [Heading] rr_RiskReturnHeading INVERSE GOVERNMENT LONG BOND STRATEGY FUND
Supplement [Text Block] cik0000899148_SupplementTextBlock
IMPORTANT INFORMATION ABOUT THE FUND
The Inverse Government Long Bond Strategy Fund (the “Fund”) is very different from most other mutual funds in that it seeks to provide investment results that correlate to the inverse of the performance of a specific benchmark on a daily basis, a result opposite of most mutual funds. As a result, the Fund may be riskier than alternatives that do not rely on the use of derivatives to achieve their investment objectives.
Because the Fund seeks daily inverse investment results, the return of the Fund for a period longer than a full trading day will be the result of each day’s compounded returns over the period, which will likely differ from the inverse return of the daily price movement of the benchmark for that period. As a consequence, especially in periods of market volatility, the path or trend of the benchmark during the longer period may be at least as important to the Fund’s return for the longer period as the cumulative return of the benchmark for the relevant longer period. Further, the return for investors who invest for a period longer than a single trading day will not be the product of the return of the Fund’s stated investment goal (e.g., -1x) and the cumulative performance of the benchmark.
The Fund is not suitable for all investors. The Fund should be utilized only by investors who (a) understand the consequences of seeking daily inverse investment results, (b) understand the risk of shorting and (c) intend to actively monitor and manage their investments. Investors who do not meet these criteria should not buy shares of the Fund. An investment in the Fund is not a complete investment program.
Objective [Heading] rr_ObjectiveHeading INVESTMENT OBJECTIVE
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock
The Fund seeks to provide total returns that inversely correlate, before fees and expenses, to the price movements of a benchmark for U.S. Treasury debt instruments or futures contracts on a specified debt instrument on a daily basis. The Fund’s current benchmark is the daily price movement of the Long Treasury Bond. The Long Treasury Bond is the U.S. Treasury bond with the longest maturity, which is currently 30 years. The price movement of the Long Treasury Bond is based on the daily price change of the most recently issued Long Treasury Bond. The Fund does not seek to achieve its investment objective over a period of time greater than one day.
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 Investor Class shares or Class H shares of the Fund.
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 2,190% 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 2190.00%
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.
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption 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:
Strategy [Heading] rr_StrategyHeading PRINCIPAL INVESTMENT STRATEGIES
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock
Unlike a traditional index fund, the Fund’s investment objective is to perform, on a daily basis, exactly opposite the daily price movement of the Long Treasury Bond. The Fund employs as its investment strategy a program of engaging in short sales and investing to a significant extent in derivative instruments, which primarily consist of futures contracts, interest rate swaps, and options on securities and futures contracts. While the Fund may write (sell) and purchase swaps, it expects primarily to write swaps. Certain of the Fund’s derivatives investments may be traded in the over-the-counter (“OTC”) market, which generally provides for less transparency than exchange-traded derivative instruments. Under normal circumstances, the Fund will invest at least 80% of its net assets, plus any borrowings for investment purposes, in financial instruments with economic characteristics that should perform opposite to fixed income securities issued by the U.S. government.

Investments in derivative instruments, such as futures, options and swap agreements, have the economic effect of creating financial leverage in the Fund’s portfolio because such investments may give rise to losses that exceed the amount the Fund has invested in those instruments. Financial leverage will magnify, sometimes significantly, the Fund’s exposure to any increase or decrease in prices associated with a particular reference asset resulting in increased volatility in the value of the Fund’s portfolio. The value of the Fund’s portfolio is likely to experience greater volatility over short-term periods. While such financial leverage has the potential to produce greater gains, it also may result in greater losses, which in some cases may cause the Fund to liquidate other portfolio investments at a loss to comply with limits on leverage and asset segregation requirements imposed by the Investment Company Act of 1940 or to meet redemption requests.

On a day-to-day basis, the Fund may hold U.S. government securities or cash equivalents. 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 certain circumstances the Fund may invest a substantial portion of its assets in other short-term fixed-income investment companies advised by the Advisor, or an affiliate of the Advisor, for liquidity management purposes, including in order to increase yield on liquid investments used to collateralize derivatives positions. Investments in these investment companies will significantly increase the portfolio’s exposure to certain other asset categories, including: (i) a broad range of high yield, high risk debt securities rated below the top four long-term rating categories by a nationally recognized statistical rating organization or, if unrated, determined by the Advisor, to be of comparable quality (also known as “junk bonds”); (ii) securities issued by the U.S. government or its agencies and instrumentalities; (iii) collateralized loan obligations (“CLOs”), other asset-backed securities (including mortgage-backed securities) and similarly structured debt investments; and (iv) other short-term fixed income securities. Such investments will expose the Fund to the risks of these asset categories and increases or decreases in the value of these investments may cause the Fund to deviate from its investment objective.
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 the principal risks described below.

ACTIVE TRADING RISK—The Fund may be used as a tool for certain investors that employ trading strategies involving frequent trading. Such trading strategies may lead to increased portfolio turnover in the Fund, higher transaction costs, and the possibility of increased short-term capital gains (which will be taxable to shareholders as ordinary income when distributed to them) and/or long-term capital gains. Large movements of assets into and out of the Fund due to active or frequent trading also may adversely affect the Fund's ability to achieve its investment objective.
 
ASSET-BACKED AND MORTGAGE-BACKED SECURITIES RISKThrough its investments in other investment companies, the Fund may have exposure to asset-backed securities, including mortgage-backed securities and structured finance investments. Investors in these securities generally receive payments that are part interest and part return of principal. These payments may vary based on the rate at which the underlying borrowers pay off their loans. Some asset-backed securities, including mortgage-backed securities, may have structures that make their reaction to interest rates and other factors difficult to predict, making their prices very volatile and they are subject to liquidity risk.

CLO RISKThrough its investments in other investment companies, the Fund may have exposure to CLOs. A CLO is a trust typically collateralized by a pool of loans, which may include, among others, domestic and foreign senior secured loans, senior unsecured loans, and subordinate corporate loans, including loans that may be rated below investment grade or equivalent unrated loans. The cash flows from the trust are split into two or more portions, called tranches, varying in risk and yield. CLO tranches can experience substantial losses due to actual defaults, increased sensitivity to defaults due to collateral default and disappearance of protecting tranches, market anticipation of defaults, as well as aversion to CLO securities as a class. The risks of an investment in a CLO depend largely on the type of the collateral securities and the class of the CLO in which the Fund invests.

CORRELATION AND COMPOUNDING RISKA number of factors may affect the Fund’s ability to achieve a high degree of correlation with its benchmark, and there can be no guarantee that the Fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the Fund from achieving its investment objective. The risk of the Fund not achieving its daily investment objective will be more acute when the Long Treasury Bond has an extreme one-day movement approaching 50%. In addition, as a result of compounding, because the Fund has a single day investment objective, the Fund’s performance for periods greater than one day is likely to be either greater than or less than the inverse of the performance of the Long Treasury Bond times the stated multiple in the Fund’s investment objective, before accounting for fees and Fund expenses.

Compounding affects all investments, but has a more significant impact on a leveraged fund. In general, particularly during periods of higher index volatility, compounding will cause longer term results to be more or less than the inverse of the return of the benchmark. This effect becomes more pronounced as volatility increases.

Fund performance for periods greater than one day can be estimated given any set of assumptions for the following factors: (a) performance of the Long Treasury Bond; (b) volatility of the Long Treasury Bond; (c) financing rates associated with leverage; (d) other Fund expenses; and (e) period of time. The table below illustrates the impact of two principal factors – volatility and index performance – on Fund performance. The table shows estimated Fund returns for a number of combinations of performance and volatility over a one-year period. Performance shown in the table assumes: (a) no Fund expenses; and (b) a cost of leverage of zero percent. If Fund expenses, including the cost of leverage, were included, the Fund’s performance would be lower than shown.
 
Areas shaded lighter represent those scenarios where the Fund can be expected to return more than the inverse performance of the Long Treasury Bond; conversely, areas shaded darker represent those scenarios where the Fund can be expected to return the same or less than the inverse performance of the Long Treasury Bond.
Index Performance
Annualized Volatility
1x
-1x
10%
25%
50%
75%
100%
-60%
60%
148%
132%
96%
42%
-6%
-50%
50%
98%
87%
57%
14%
-28%
-40%
40%
65%
56%
30%
-5%
-38%
-30%
30%
42%
34%
13%
-18%
-47%
-20%
20%
24%
18%
-3%
-28%
-54%
-10%
10%
10%
4%
-13%
-36%
-59%
0%
0%
-1%
-6%
-22%
-43%
-64%
10%
-10%
-10%
-15%
-29%
-48%
-67%
20%
-20%
-17%
-22%
-35%
-53%
-69%
30%
-30%
-24%
-28%
-40%
-56%
-71%
40%
-40%
-29%
-33%
-44%
-60%
-73%
50%
-50%
-34%
-37%
-48%
-62%
-76%
60%
-60%
-38%
-41%
-51%
-65%
-78%

The Long Treasury Bond's annualized historical volatility rate for the five year period ended June 30, 2015 is 12.22%. The Long Treasury Bond's highest one-year volatility rate during the five year period is 16.40%. The Long Treasury Bond's annualized performance for the five year period ended June 30, 2015 is 6.25%.

The historical volatility and performance of the Long Treasury Bond are not indications of what the Long Treasury Bond volatility and performance will be in the future. The table is intended to underscore that the Fund is designed as a short-term trading vehicle for investors who intend to actively monitor and manage their portfolios.

COUNTERPARTY CREDIT RISKThe 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, the Fund is exposed to the risk that the counterparty may be unwilling or unable to make timely payments to meet its contractual obligations or may fail to return holdings that are subject to the agreement with the counterparty. If the counterparty becomes bankrupt or defaults on its payment obligations to the Fund, the Fund may not receive the full amount that it is entitled to receive. If this occurs, the value of your shares in the Fund will decrease.

CREDIT RISKThe Fund could lose money if the issuer or guarantor of a debt instrument in which it invests or a counterparty to a derivatives transaction or other transaction becomes unwilling or unable to make timely principal and/or interest payments, or to otherwise meet its obligations. The issuer of a debt instrument, such as a bond, could also suffer a decrease in quality rating, which may affect the volatility of the price and liquidity of the bond.

DERIVATIVES RISKThe Fund’s investments in derivatives may pose risks in addition to and greater than those associated with investing directly in securities or other investments, including risks relating to leverage, imperfect correlations with underlying investments or the Fund’s other portfolio holdings, high price volatility, lack of availability, counterparty credit, liquidity, valuation and legal restrictions. Their use is a highly specialized activity that involves investment techniques and risks different from those associated with ordinary portfolio securities transactions. If the Advisor is incorrect about its expectations of market conditions, the use of derivatives could also result in a loss, which in some cases may be unlimited. Certain risks are specific to the derivatives in which the Fund invests.

SWAP AGREEMENTS RISKSwap agreements are contracts among the Fund and a counterparty to exchange the return of the pre-determined underlying investment (such as the rate of return of the underlying index). Swap agreements may be negotiated bilaterally and traded OTC between two parties or, in some instances, must be transacted through a futures commission merchant and cleared through a clearinghouse that serves as a central counterparty. Risks associated with the use of swap agreements are different from those associated with ordinary portfolio securities transactions, due in part to the fact they could be considered illiquid and many swaps trade on the OTC market. Swaps are particularly subject to counterparty credit, correlation, valuation, liquidity and leveraging risks. Certain standardized swaps are subject to mandatory central clearing. Central clearing is expected to reduce counterparty credit risk and increase liquidity, but central clearing does not make swap transactions risk-free.

FUTURES CONTRACTS RISKFutures contracts are typically exchange-traded contracts that call for the future delivery of an asset at a certain price and date, or cash settlement of the terms of the contract. Risks of futures contracts may be caused by an imperfect correlation between movements in the price of the instruments and the price of the underlying securities. In addition, there is the risk that the Fund may not be able to enter into a closing transaction because of an illiquid market. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Futures markets are highly volatile and the use of futures may increase the volatility of the Fund’s NAV. Futures are also subject to leverage risks and to liquidity risk.

OPTIONS RISKOptions or options on futures contracts give the holder of the option the right to buy (or to sell) a position in a security or in a contract to the writer of the option, at a certain price. They are subject to correlation risk because there may be an imperfect correlation between the options and the securities markets that cause a given transaction to fail to achieve its objectives. The successful use of options depends on the Advisor’s ability to correctly predict future price fluctuations and the degree of correlation between the options and securities markets. Exchanges can limit the number of positions that can be held or controlled by the Fund or the Advisor, thus limiting the ability to implement the Fund’s strategies. Options are also particularly subject to leverage risk and can be subject to liquidity risk.

EARLY CLOSING RISKThe 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.

HIGH YIELD AND UNRATED SECURITIES RISKThe Fund’s exposure to higher yielding, below investment grade and unrated high risk debt securities (commonly known as “junk bonds”) may present additional risk because these securities may be less liquid and present greater credit risk than investment grade bonds. The price of high yield securities tends to be subject to greater volatility due to issuer-specific operating results and outlook and to real or perceived adverse economic and competitive industry conditions. This exposure may be obtained through investments in other investment companies.

INTEREST RATE RISKThe market value of fixed income investments and related financial instruments will change in response to interest rate changes. During periods of falling interest rates, the values of fixed income securities generally rise. Conversely, during periods of rising interest rates, the values of such securities generally decline. Accordingly, the potential for the value of a floating rate security to increase/decrease in response to interest rate declines/increases is limited. Fixed income securities with longer durations are subject to greater volatility than those with shorter durations. Thus, if interest rates rise sharply, the value of the Fund’s fixed income investments and share price could decline. The Fund may be subject to a greater risk of rising interest rates due to the current period of historically low rates and the effect of potential government fiscal policy initiatives and resulting market reaction to those initiatives.

INVESTMENT IN INVESTMENT VEHICLES RISKInvesting in other investment vehicles, including, exchange-traded funds, closed-end funds, affiliated short-term fixed-income funds and other mutual funds, subjects the Fund to those risks affecting the investment vehicle, including the possibility that the value of the underlying securities held by the investment vehicle could decrease. Moreover, the Fund will incur its pro rata share of the expenses of the underlying investment vehicles’ expenses. Consequently, an investment in the Fund entails more direct and indirect expenses than a direct investment in the underlying investment vehicles.

INVESTMENTS IN LOANS RISKInvestments in loans involve special types of risks, including credit risk, interest rate risk, counterparty risk and prepayment risk. Loans may offer a fixed or floating interest rate. Loans are often generally below investment grade and may be unrated. Loans may be difficult to value and some can be subject to liquidity risk.

LIQUIDITY RISK—In certain circumstances, it may be difficult for the Fund to purchase and sell a particular security or derivative instrument within a reasonable time at a fair price. While the Fund 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 market value of the securities and derivatives held by the Fund may fluctuate resulting from factors affecting the individual company or other factors such as changing economic, political or financial market conditions. Moreover, changing economic, political or financial market conditions in one country or geographic region could adversely impact the market value of the securities held by the Fund in a different country or geographic region.

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 RISKCertain 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 derivatives contracts.

PASSIVE INVESTMENT RISKThe Fund is not actively managed and the Advisor does not attempt to take defensive positions in rising markets. Therefore, the Fund may be subject to greater losses in a rising market than a fund that is actively managed.
 
PORTFOLIO TURNOVER RISKDaily rebalancing of the Fund's holdings pursuant to its daily investment objective may lead to a greater number of portfolio transactions in the Fund than experienced by other mutual funds. Such frequent and active trading may lead to significantly higher transaction costs because of increased broker commissions associated with such transactions.

PREPAYMENT RISKThe Fund’s investments in or exposure to fixed income investments subjects the Fund to prepayment risk. Securities subject to prepayment risk generally offer less potential for gains when interest rates decline, because issuers of the securities may be able to prepay the principal due on the securities, and may offer a greater potential for income loss when interest rates rise.

REPURCHASE AGREEMENT RISKThe 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.

SHORT SALES RISKShort selling a security involves selling a borrowed security with the expectation that the value of the security will decline, so that the security may be purchased at a lower price when returning the borrowed security. The risk for loss on short selling is greater than the original value of the securities sold short because the price of the borrowed security may rise, thereby increasing the price at which the security must be purchased. Government actions also may affect the Fund’s ability to engage in short selling.
 
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.

TRACKING ERROR RISKThe Advisor may not be able to cause the Fund’s performance to correlate to that of the Fund’s benchmark, either on a daily or aggregate basis. Factors such as Fund expenses, imperfect correlation between the Fund’s investments and the Long Treasury Bond, rounding of share prices, regulatory policies, and high portfolio turnover rate all contribute to tracking error. Tracking error may cause the Fund’s performance to be less than you expect.

TRADING HALT RISKIf 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.

U.S. GOVERNMENT SECURITIES RISK—U.S. government securities may or may not be backed by the full faith and credit of the U.S. government. The value of U.S. government securities will fluctuate and such securities are subject to the risks associated with fixed-income and debt securities, particularly interest rate and credit risk.

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 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.
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 Investor 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 tables show the performance of the Investor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index. Class H shares of the Fund were established on August 18, 2014 and, therefore, do not have a full calendar year of performance. The figures in the bar chart and tables assume the reinvestment of dividends and capital gains distributions. 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.guggenheiminvestments.com or by calling Guggenheim Investments Client Services at 800.820.0888.

Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following bar chart shows the performance of the Investor 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 tables show the performance of the Investor Class shares of the Fund as an average over different periods of time in comparison to the performance of a broad-based market index.
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone 800.820.0888
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.guggenheiminvestments.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 Investor Class shares is based on a calendar year. The year-to-date return for the period from January 1, 2015 through June 30, 2015 is 5.24%.
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
Highest Quarter Return
 
Lowest Quarter Return
 
Q2 2009
12.99%
 
Q4 2008
-26.00
 %
Performance Table Heading rr_PerformanceTableHeading AVERAGE ANNUAL TOTAL RETURN (for periods ended December 31, 2014)
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. Your actual after-tax returns will depend on your specific tax situation and may differ from those shown below.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred 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.

Investor Class and Class H | Inverse Government Long Bond Strategy Fund | Barclays Capital Long Treasury Bond Index  
Prospectus: rr_ProspectusTable  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes reflects no deduction for fees, expenses or taxes
Label rr_AverageAnnualReturnLabel Barclays Capital Long Treasury Bond Index (reflects no deduction for fees, expenses or taxes)
1 Year rr_AverageAnnualReturnYear01 25.07%
5 Years rr_AverageAnnualReturnYear05 9.96%
10 Years rr_AverageAnnualReturnYear10 7.54%
Investor Class and Class H | Inverse Government Long Bond Strategy Fund | Investor Class  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYJUX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.90%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Component1 Other Expenses rr_Component1OtherExpensesOverAssets 1.75%
Component2 Other Expenses rr_Component2OtherExpensesOverAssets 0.50%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 2.25%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 3.16% [1]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 319
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 974
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,654
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 3,467
Annual Return 2005 rr_AnnualReturn2005 (4.95%)
Annual Return 2006 rr_AnnualReturn2006 8.33%
Annual Return 2007 rr_AnnualReturn2007 (4.31%)
Annual Return 2008 rr_AnnualReturn2008 (29.44%)
Annual Return 2009 rr_AnnualReturn2009 19.53%
Annual Return 2010 rr_AnnualReturn2010 (13.05%)
Annual Return 2011 rr_AnnualReturn2011 (30.39%)
Annual Return 2012 rr_AnnualReturn2012 (5.44%)
Annual Return 2013 rr_AnnualReturn2013 17.51%
Annual Return 2014 rr_AnnualReturn2014 (24.44%)
Year to Date Return, Label rr_YearToDateReturnLabel year-to-date return
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Jun. 30, 2015
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn 5.24%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel Highest Quarter Return
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Jun. 30, 2009
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 12.99%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel Lowest Quarter Return
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Dec. 31, 2008
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (26.00%)
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 (24.44%)
5 Years rr_AverageAnnualReturnYear05 (12.66%)
10 Years rr_AverageAnnualReturnYear10 (8.26%)
Investor Class and Class H | Inverse Government Long Bond Strategy Fund | Investor Class | After Taxes on Distributions  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 (24.44%)
5 Years rr_AverageAnnualReturnYear05 (12.66%)
10 Years rr_AverageAnnualReturnYear10 (8.48%)
Investor Class and Class H | Inverse Government Long Bond Strategy Fund | Investor Class | After Taxes on Distributions and Sales  
Prospectus: rr_ProspectusTable  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 (13.83%)
5 Years rr_AverageAnnualReturnYear05 (8.97%)
10 Years rr_AverageAnnualReturnYear10 (5.59%)
Investor Class and Class H | Inverse Government Long Bond Strategy Fund | Class H  
Prospectus: rr_ProspectusTable  
Trading Symbol dei_TradingSymbol RYHJX
Shareholder Fee, Other rr_ShareholderFeeOther none
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.90%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Component1 Other Expenses rr_Component1OtherExpensesOverAssets 1.47%
Component2 Other Expenses rr_Component2OtherExpensesOverAssets 0.45%
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets 1.92%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.01%
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 3.08% [1]
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 311
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 951
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 1,616
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 3,392
[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.
[2] Effective upon the close of business on September 30, 2015, the Fund converted its existing Advisor Class shares to Class H shares, which effectively reduced the distribution and shareholder services fees paid by the Fund. The Annual Fund Operating Expense information in the fee table has been restated to reflect this reduction.