This table describes the fees and expenses that you may pay if you buy and hold shares of the Series. The table below does not take into account any of the expenses or charges associated with variable annuity contracts or variable life insurance policies offered by participating insurance companies. If such expenses or charges were reflected, the overall expenses would be higher. For more information on these expenses and charges, please refer to your contract or policy prospectus.

Operating Expenses Caption [Text]

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ANNUAL OPERATING EXPENSES (expenses that you pay each year as a percentage of the value of your investment)

Portfolio Turnover [Heading]

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PORTFOLIO TURNOVER

Portfolio Turnover [Text Block]

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The Series 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. These costs, which are not reflected in annual operating expenses or in the example, affect the Series’ performance. During the most recent fiscal year, the Series’ portfolio turnover rate was 43% of the average value of its portfolio.

Portfolio Turnover, Rate

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43.00%

Expense Example [Heading]

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EXAMPLE

Expense Example Narrative [Text Block]

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This Example is intended to help you compare the cost of investing in the Series with the cost of investing in other mutual funds. It does not reflect expenses or charges of any variable annuity contract or variable life insurance policy, which if reflected would increase expenses.

Expense Example by, Year, Caption [Text]

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The Example assumes that you invest $10,000 in the Series for the time periods indicated and reflects expenses whether or not you 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 Series’ operating expenses remain the same. Although the actual costs may be higher or lower, based on these assumptions your costs would be:

Expense Example Closing [Text Block]

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The above Example reflects applicable contractual fee waiver/expense reimbursement arrangements for the current duration of the arrangements only.

Strategy [Heading]

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PRINCIPAL INVESTMENT STRATEGIES

Strategy Narrative [Text Block]

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Series A seeks to exceed the total return of the S&P 500 Index (the “Index”). The Series pursues its objective by investing, under normal circumstances, at least 80% of its assets (net assets, plus the amount of any borrowings for investment purposes) in: (i) equity securities issued by companies that have market capitalizations within the range of companies in the Index; (ii) investment vehicles that provide exposure to companies that have market capitalizations within the range of companies in the Index; and (iii) equity derivatives that, when purchased, provide exposure to (i.e., economic characteristics similar to) equity securities of companies with market capitalizations usually within the range of companies in the Index, and equity derivatives based on large-capitalization indices, including large-capitalization growth indices and large-capitalization value indices deemed appropriate by Security Investors, LLC, also known as Guggenheim Investments (the “Investment Manager”). The Series will usually also invest in fixed-income securities and cash investments to collateralize derivatives positions and to increase investment return. As of March 31, 2017, the Index consisted of securities of companies with market capitalizations that ranged from $3.9 billion to $755 billion.

Equity securities in which the Series may invest include common stocks, rights and warrants, and American Depositary Receipts (“ADRs”). Derivatives in which the Series may invest include options, futures contracts, swap agreements (including, but not limited to, total return swap agreements), and forward contracts (some of these instruments may be traded in the over-the-counter market). Fixed-income securities and other securities in which the Series may invest include debt securities selected from a variety of sectors and credit qualities (principally, investment grade), principally, corporate bonds, participations in and assignments of syndicated bank loans, asset-backed securities (including mortgage-backed securities, collateralized debt obligations ("CDOs"), collateralized loan obligations ("CLOs") and other structured finance investments), U.S. government and agency securities (including those not backed by the full faith and credit of the U.S. government), mezzanine and preferred securities, commercial paper, zero-coupon bonds, non-registered or restricted securities (consisting of securities originally issued in reliance on Rule 144A and Regulation S), step-up securities (such as step-up bonds) and convertible securities that Guggenheim Investments believes offer attractive yield and/or capital appreciation potential. The Series may invest in securities listed, traded or dealt in other countries. The Series may hold securities of any duration or maturity. Fixed-income securities in which the Series may invest may pay fixed or variable rates of interest. The Series may invest in a variety of investment vehicles, principally closed-end funds, exchange-traded funds (“ETFs”) and other mutual funds.

Allocation decisions within the asset categories are at the discretion of the Investment Manager and are based on the Investment Manager’s judgment of the current investment environment (including market volatility), the attractiveness of each asset category, the correlations among Index components, individual positions or each asset category, and expected returns. In selecting investments for the Series, the Investment Manager uses quantitative analysis, credit research and due diligence on issuers, regions and sectors to select the Series’ investments and other proprietary strategies to identify securities and other assets that, in combination, are expected to contribute to exceeding the total return of the Index. Derivative instruments may be used extensively by the Investment Manager to maintain exposure to the equity and fixed-income markets, to hedge the Series’ portfolio, or to increase returns. The Investment Manager may determine to sell a security for several reasons including the following: (1) to meet redemption requests; (2) to close-out or unwind derivatives transactions; (3) to realize gains; or (4) if market conditions change.

The Series invests a substantial portion of its assets in investment companies advised by the Investment Manager, or an affiliate of the Investment Manager, that invest in short-term fixed-income or floating rate securities. These funds are designed primarily to provide an alternative to investing directly and separately in various short-term fixed-income or floating rate securities. The Series invests in these investment companies for various portfolio management purposes, including for cash management and liquidity management purposes and to seek to obtain exposure with a higher level of return on investments used to collateralize derivatives positions and achieve greater diversification and trading efficiency than would usually be experienced by investing directly and separately in fixed-income or floating rate securities. Investments by the Series in these investment companies significantly increase the Series' exposure to the following asset categories: (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 (also known as “junk bonds”) or, if unrated, determined by the Investment Manager, to be of comparable quality; (ii) CLOs, other asset-backed securities and similarly structured debt investments; and (iii) other short-term fixed or floating rate debt securities. Such investments expose the Series to the risks of these asset categories and decreases in the value of these investments may cause the Series to deviate from its investment objective.

Under adverse, unstable or abnormal market conditions, the Series could invest some or all of its assets in cash, derivatives, fixed-income securities, government bonds, money market securities, repurchase agreements or securities of other investment companies. The Series may be unable to pursue or achieve its investment objective during that time and temporary investments could reduce the benefit from any upswing in the market.

Risk [Heading]

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PRINCIPAL RISKS

Risk Narrative [Text Block]

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The value of an investment in the Series will fluctuate and is subject to investment risks, which means investors could lose money. The principal risks of investing in the Series are summarized below.

Asset-Backed Securities Risk—Investors in asset-backed securities, including residential mortgage-backed securities, commercial mortgage-backed securities and other structured finance investments, 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, causing their prices to be volatile. These instruments are particularly subject to interest rate, credit and liquidity and valuation risks.

Collateralized Loan Obligations and Collateralized Debt Obligations Risk—CLOs bear many of the same risks as other forms of asset-backed securities, including interest rate risk, credit risk and default risk. As they are backed by pools of loans, CLOs also bear similar risks to investing in loans directly. CLOs issue classes or “tranches” that vary in risk and yield. CLOs may experience substantial losses attributable to loan defaults. Losses caused by defaults on underlying assets are borne first by the holders of subordinate tranches. The Series' investment in CLOs may decrease in market value when the CLO experiences loan defaults or credit impairment, the disappearance of a subordinate tranche, or market anticipation of defaults and investor aversion to CLO securities as a class.

CDOs are structured similarly to CLOs and bear the same risks as CLOs including interest rate risk, credit risk and default risk. CDOs are subject to additional risks because they are backed by pools of assets other than loans including securities (such as other asset-backed securities), synthetic instruments or bonds and may be highly leveraged. Like CLOs, losses incurred by a CDO are borne first by holders of subordinate tranches. Accordingly, the risks of CDOs depend largely on the type of underlying collateral and the tranche of CDOs in which the Series invests. For example, CDOs that obtain their exposure through synthetic investments entail the risks associated with derivative instruments.

Commercial Paper Risk—The value of the Series’ investment in commercial paper, which is an unsecured promissory note that generally has a maturity date between one and 270 days and is issued by a U.S. or foreign entity, is susceptible to changes in the issuer’s financial condition or credit quality. Investments in commercial paper are usually discounted from their value at maturity. Commercial paper can be fixed-rate or variable rate and can be adversely affected by changes in interest rates.

Convertible Securities Risk—Convertible securities may be subordinate to other securities. The total return for a convertible security depends, in part, upon the performance of the underlying security into which it can be converted. The value of convertible securities tends to decline as interest rates increase. Convertible securities generally offer lower interest or dividend yields than non-convertible securities of similar quality.

Counterparty Credit Risk—The Series makes investments in financial instruments and over-the-counter ("OTC")-traded derivatives involving counterparties to gain exposure to a particular group of securities, index, asset class or other reference asset without actually purchasing those securities or investments, to hedge a position or for other investment purposes. Through these investments and related arrangements (e.g., prime brokerage or securities lending arrangements or derivative transactions), the Series is exposed to credit risks that the counterparty may be unwilling or unable to make timely payments or otherwise to meet its contractual obligations. If the counterparty becomes bankrupt or defaults on (or otherwise becomes unable or unwilling to perform) its payment or other obligations to the Series, the Series may not receive the full amount that it is entitled to receive or may experience delays in recovering the collateral or other assets held by, or on behalf of, the counterparty. If this occurs, the value of your shares in the Series will decrease.

Credit Risk—The Series could lose money if the issuer or guarantor of a fixed-income instrument or a counterparty to a derivatives transaction or other transaction is unable or unwilling, or perceived to be unable or unwilling, to pay interest or repay principal on time or defaults. The issuer, guarantor or counterparty could also suffer a rapid decrease in credit quality rating, which would adversely affect the volatility of the value and liquidity of the instrument. Credit ratings may not be an accurate assessment of liquidity or credit risk.

Depositary Receipt Risk—The Series may hold the securities of non-U.S. companies in the form of ADRs and GDRs. The underlying securities of the ADRs and Global Depositary Receipts ("GDRs") in the Series’ portfolio are subject to fluctuations in foreign currency exchange rates that may affect the value of the Series’ portfolio. In addition, the value of the securities underlying the ADRs and GDRs 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—Derivatives may pose risks in addition to and greater than those associated with investing directly in securities, currencies or other investments, including risks relating to leverage, imperfect correlations with underlying investments or the Series’ 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 Investment Manager 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. Some of the derivatives in which the Series invests are traded (and privately negotiated) in the OTC market. OTC derivatives are subject to heightened credit, liquidity and valuation risks. Certain risks also are specific to the derivatives in which the Series invests.

Swap Agreements Risk—Swap agreements are contracts among the Series 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 intended to reduce counterparty credit risk and increase liquidity, but central clearing does not make swap transactions risk-free.

Futures Contracts Risk—Futures 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 Series 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 Series or its Investment Manager, thus limiting the ability to implement the Series’ strategies. Futures markets are highly volatile and the use of futures may increase the volatility of the Series’ NAV. Futures are also subject to leverage risks and to liquidity risk.

Options Risk—Options 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 Investment Manager’s ability to predict correctly 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 Series or its Investment Manager, thus limiting the ability to implement the Series’ strategies. Options are also particularly subject to leverage risk and can be subject to liquidity risk.

Equity Securities Risk—Equity securities include common stocks and other equity and equity-related securities (and securities convertible into stocks). The prices of equity securities generally fluctuate in value more than fixed-income investments, may rise or fall rapidly or unpredictably and may reflect real or perceived changes in the issuing company’s financial condition and changes in the overall market or economy. A decline in the value of equity securities held by the Series will adversely affect the value of your investment in the Series. Common stocks generally represent the riskiest investment in a company and dividend payments (if declared) to preferred stockholders generally rank junior to payments due to a company's debtholders. The Series may lose a substantial part, or even all, of its investment in a company’s stock.

Foreign Securities and Currency Risk—Foreign securities carry unique or additional risks when compared to U.S. securities, including currency fluctuations, adverse political and economic developments, unreliable or untimely information, less liquidity and more volatility, limited legal recourse and higher transactional costs.

Growth Stocks Risk—Growth stocks typically invest a high portion of their earnings back into their business and may lack the dividend yield that could cushion their decline in a market downturn. Growth stocks may be more volatile than other stocks because they are more sensitive to investor perceptions regarding the growth potential of the issuing company.

High Yield and Unrated Securities Risk—High yield, below investment grade and unrated high risk debt securities (which also may be known as "junk bonds") may present additional risks because these securities may be less liquid, and therefore more difficult to value accurately and sell at an advantageous price or time, and present more 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 Risk—Investments in fixed-income instruments are subject to the possibility that interest rates could rise sharply, causing the value of the Series’ holdings and share price to decline. The risks associated with rising interest rates are heightened given the historically low interest rate environment as of the date of this prospectus. Interest rates may continue to rise in the future, possibly suddenly and significantly, with unpredictable effects on the financial markets and the Series' investments. Fixed-income instruments with longer durations are subject to more volatility than those with shorter durations.

Investment in Investment Vehicles Risk—Investing in other investment vehicles, including ETFs, closed-end funds, affiliated short-term funds and other mutual funds, subjects the Series to those risks affecting the investment vehicle, including the possibility that the value of the underlying securities held by the investment vehicle could decrease or the portfolio becomes illiquid. Moreover, the Series and its shareholders will incur its pro rata share of the underlying vehicles’ expenses, which will reduce the Series' performance. In addition, investments in an ETF are subject to, among other risks, the risk that the ETF's shares may trade at a discount or premium relative to the net asset value of the shares and the listing exchange may halt trading of the ETF's shares.

Investments in Loans Risk—Investments in loans, including loan syndicates and other direct lending opportunities, 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. The Series’ investments in loans can be difficult to value accurately and may be more susceptible to liquidity risk than fixed-income instruments of similar credit quality and/or maturity. The Series is also subject to the risk that the value of the collateral for the loan may be insufficient to cover the borrower’s obligations should the borrower fail to make payments or become insolvent. Participations in loans may subject the Series to the credit risk of both the borrower and the issuer of the participation and may make enforcement of loan covenants more difficult for the Series as legal action may have to go through the issuer of the participations. Transactions in loans are often subject to long settlement periods, thus potentially limiting the ability of the Series to invest sale proceeds in other investments and to use proceeds to meet its current redemption obligations.

Large-Capitalization Securities Risk—The Series is subject to the risk that large-capitalization securities may underperform other segments of the equity market or the equity market as a whole. Larger, more established companies may be unable to respond quickly to new competitive challenges such as changes in technology and may not be able to attain the high growth rate of smaller companies, especially during extended periods of economic expansion.

Leverage Risk—The Series’ use of leverage, through borrowings or instruments such as derivatives, may cause the Series to be more volatile and riskier than if it had not been leveraged.

Liquidity and Valuation Risk—It may be difficult for the Series to purchase and sell particular investments within a reasonable time at a fair price, or the price at which it has been valued by the Investment Manager for purposes of the Series’ net asset value, causing the Series to be less liquid and unable to realize what the Investment Manager believes should be the price of the investment. Valuation of portfolio investments may be difficult, such as during periods of market turmoil or reduced liquidity, and for investments that may, for example, trade infrequently or irregularly. In these and other circumstances, an investment may be valued using fair value methodologies, which are inherently subjective, reflect good faith judgments based on available information and may not accurately estimate the price at which the Series could sell the investment at that time. These risks may be heightened for fixed-income instruments because of the historically low interest rate environment as of the date of this prospectus.

Management Risk—The Series is actively managed, which means that investment decisions are made based on investment views. There is no guarantee that the investment views will produce the desired results or expected returns, causing the Series to fail to meet its investment objective or underperform its benchmark index or funds with similar investment objectives and strategies. Furthermore, active trading that can accompany active management, also called “high turnover,” may have a negative impact on performance. Active trading may result in higher brokerage costs or mark-up charges, which are ultimately passed on to shareholders of the Series.

Market Risk—The value of, or income generated by, the securities held by the Series may fluctuate rapidly and unpredictably as a result of factors affecting individual companies or changing economic, political, social or financial market conditions throughout the world. The performance of these investments may underperform the general securities markets or other types of securities.

Preferred Securities Risk—A company’s preferred stock generally pays dividends only after the company makes required payments to holders of its bonds and other debt. For this reason, the value of preferred stock will usually react more strongly than bonds and other debt to actual or perceived changes in the company’s financial condition or prospects.

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. These securities generally offer less potential for gains when interest rates decline and may offer a greater potential for loss when interest rates rise.

Regulatory and Legal Risk—U.S. and non-U.S. governmental agencies and other regulators regularly implement additional regulations and legislators pass new laws that affect the investments held by the Series, the strategies used by the Series or the level of regulation applying to the Series (such as regulations related to investments in derivatives and other transactions). These regulations and laws impact the investment strategies, performance, costs and operations of the Series.

Restricted Securities Risk—Restricted securities generally cannot be sold to the public and may involve a high degree of business, financial and liquidity risk, which may result in substantial losses to the Series.

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. U.S. government securities are subject to the risks associated with fixed-income and debt securities, particularly interest rate risk and credit risk.

Value Stocks Risk—Value stocks are subject to the risk that the intrinsic value of the stock may never be realized by the market or that the price goes down.

Zero Coupon and Payment-In-Kind Securities Risk—Zero coupon and payment-in-kind securities pay no cash income and usually are sold at substantial discounts from their value at maturity. Zero coupon and payment-in-kind securities are subject to greater market value fluctuations from changing interest rates than debt obligations of comparable maturities, which make current distributions of cash.

Risk Lose Money [Text]

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The value of an investment in the Series will fluctuate and is subject to investment risks, which means investors could lose money.

Bar Chart and Performance Table [Heading]

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PERFORMANCE INFORMATION

Performance Narrative [Text Block]

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The performance figures do not reflect expenses or charges associated with variable annuity contracts and variable life insurance policies that offer the Series as an underlying investment option, and, if such expenses or charges were reflected, the performance figures would be lower.

Effective April 30, 2013, certain changes were made to the Series’ principal investment strategies. Performance information prior to that date reflects the Series' prior principal investment strategies.

Performance Information Illustrates Variability of Returns [Text]

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Performance Past Does Not Indicate Future [Text]

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As with all mutual funds, past performance is not necessarily an indication of how the Series will perform in the future.

Bar Chart Closing [Text Block]

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Highest Quarter Return		Lowest Quarter Return
Q3 2009	16.91%	Q4 2008	-21.97	%

Performance Table Heading

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AVERAGE ANNUAL TOTAL RETURNS (For the periods ended December 31, 2016)

SERIES A (STYLEPLUS - LARGE CORE SERIES) | S&P 500 Index

Prospectus:

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Index No Deduction for Fees, Expenses, Taxes [Text]

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(reflects no deductions for fees, expenses, or taxes)

Label

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S&P 500 Index (reflects no deductions for fees, expenses, or taxes)

1 Year

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11.96%

5 Years

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14.66%

10 Years

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6.95%

SERIES A (STYLEPLUS - LARGE CORE SERIES) | A Class

Prospectus:

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Management Fees (as a percentage of Assets)

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0.75%

Distribution and Service (12b-1) Fees

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0.25%

Component1 Other Expenses

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0.02%

Component2 Other Expenses

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0.16%

Other Expenses (as a percentage of Assets):

rr_OtherExpensesOverAssets

0.18%

Acquired Fund Fees and Expenses

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0.09%

Expenses (as a percentage of Assets)

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1.27%

^[1]

Fee Waiver or Reimbursement

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(0.25%)

^[2]

Net Expenses (as a percentage of Assets)

rr_NetExpensesOverAssets

1.02%

^[3]

Fee Waiver or Reimbursement over Assets, Date of Termination

rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination

May 1, 2022

Expense Example, with Redemption, 1 Year

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$ 104

Expense Example, with Redemption, 3 Years

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325

Expense Example, with Redemption, 5 Years

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563

Expense Example, with Redemption, 10 Years

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$ 1,410

Annual Return 2007

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(4.88%)

Annual Return 2008

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(37.40%)

Annual Return 2009

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29.84%

Annual Return 2010

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16.37%

Annual Return 2011

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(4.00%)

Annual Return 2012

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13.04%

Annual Return 2013

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28.87%

Annual Return 2014

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15.48%

Annual Return 2015

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1.50%

Annual Return 2016

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13.34%

Highest Quarterly Return, Label

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Highest Quarter Return

Highest Quarterly Return, Date

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Sep. 30, 2009

Highest Quarterly Return

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16.91%

Lowest Quarterly Return, Label

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Lowest Quarter Return

Lowest Quarterly Return, Date

rr_BarChartLowestQuarterlyReturnDate

Dec. 31, 2008

Lowest Quarterly Return

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(21.97%)

Label

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Series A

1 Year

rr_AverageAnnualReturnYear01

13.34%

5 Years

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14.12%

10 Years

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5.27%

SERIES B (LARGE CAP VALUE SERIES)

Prospectus:

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Risk/Return [Heading]

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Series B (Large Cap Value Series)

Objective [Heading]

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INVESTMENT OBJECTIVE

Objective, Primary [Text Block]

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Series B seeks long-term growth of capital.

Expense [Heading]

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FEES AND EXPENSES OF THE SERIES

Expense Narrative [Text Block]

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Operating Expenses Caption [Text]

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ANNUAL OPERATING EXPENSES (expenses that you pay each year as a percentage of the value of your investment)

Portfolio Turnover [Heading]

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PORTFOLIO TURNOVER

Portfolio Turnover [Text Block]

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Portfolio Turnover, Rate

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44.00%

Expense Example [Heading]

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EXAMPLE

Expense Example Narrative [Text Block]

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Expense Example by, Year, Caption [Text]

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Expense Example Closing [Text Block]

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The above Example reflects applicable contractual fee waiver/expense reimbursement arrangements for the current duration of the arrangements only.

Strategy [Heading]

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PRINCIPAL INVESTMENT STRATEGIES

Strategy Narrative [Text Block]

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Series B pursues its objective by investing, under normal circumstances, at least 80% of its assets (net assets, plus the amount of any borrowings for investment purposes) in equity securities, which include common stocks, rights, options, warrants, convertible debt securities of both U.S. and U.S. dollar-denominated foreign issuers, and American Depositary Receipts (“ADRs”), of companies that, when purchased, have market capitalizations that are usually within the range of companies in the Russell 1000 Value Index. Although a universal definition of large market capitalization companies does not exist, the Series generally defines large market capitalization companies as those whose market capitalization is similar to the market capitalization of companies in the Russell 1000 Value Index, which is an unmanaged index measuring the performance of the large cap value segment of the U.S. equity universe and which includes companies with lower price-to-book ratios and lower expected growth values. As of March 31, 2017, the Russell 1000 Value Index consisted of securities of companies with market capitalizations that ranged from $629 million to $755 billion.

In choosing securities, Security Investors, LLC, also known as Guggenheim Investments (the "Investment Manager"), primarily invests in value-oriented companies. Value-oriented companies are companies that appear to be undervalued relative to assets, earnings, growth potential or cash flows. The Investment Manager uses a blend of quantitative and fundamental analysis to identify securities that appear favorably priced and have the potential to appreciate in value. The Investment Manager regularly evaluates the metrics and data underlying the quantitative model and, from time to time, may make adjustments for a variety of reasons, including, without limitation, to account for changing market, financial or economic conditions. The Series may, consistent with its status as a non-diversified mutual fund, focus its investments in a limited number of issuers.

The Series may invest a portion of its assets in derivatives, including options and futures contracts. These instruments are used to hedge the Series’ portfolio, to maintain exposure to the equity markets, or to increase returns.

The Series typically sells a security when its issuer is no longer considered a value company, shows deteriorating fundamentals or falls short of the Investment Manager’s expectations, among other reasons.

The Series may invest in a limited number of industries or industry sectors, including the technology sector.

Under adverse, unstable or abnormal market conditions, the Series could invest some or all of its assets in cash, derivatives, fixed-income instruments, government bonds, money market securities, repurchase agreements or securities of other investment companies. The Series may be unable to pursue or achieve its investment objective during that time and temporary investments could reduce the benefit from any upswing in the market.

Risk [Heading]

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PRINCIPAL RISKS

Risk Narrative [Text Block]

rr_RiskNarrativeTextBlock

Depositary Receipt Risk—The Series may hold the securities of non-U.S. companies in the form of depositary receipts. The underlying securities of the depositary receipts in the Series’ portfolio are subject to fluctuations in foreign currency exchange rates that may affect the value of the Series’ portfolio. In addition, the value of the securities underlying the depositary receipts 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.

Investment in Investment Vehicles Risk—Investing in other investment vehicles, including ETFs, closed-end funds and other mutual funds, subjects the Series to those risks affecting the investment vehicle, including the possibility that the value of the underlying securities held by the investment vehicle could decrease or the portfolio becomes illiquid. Moreover, the Series and its shareholders will incur its pro rata share of the underlying vehicles’ expenses, which will reduce the Series' performance. In addition, investments in an ETF are subject to, among other risks, the risk that the ETF's shares may trade at a discount or premium relative to the net asset value of the shares and the listing exchange may halt trading of the ETF's shares.

Leverage Risk—The Series’ use of leverage, through borrowings or instruments such as derivatives, may cause the Series to be more volatile and riskier than if it had not been leveraged.

Non-Diversification Risk—The Series is considered non-diversified because it may invest a large portion of its assets in a small number of issuers. As a result, the Series is more susceptible to risks associated with those issuers and the Series may experience greater losses and volatility than a more diversified portfolio.

Quantitative Model Risk—There is no guarantee that the quantitative model used by the Investment Manager, and the investments selected based on the model, will produce the desired results. The Series may be adversely affected by imperfections, errors or limitations in the construction and implementation of the model and the Investment Manager's ability to timely adjust the metrics or update the data underlying the model.

Technology Stocks Risk—Stocks of companies involved in the technology sector may be very volatile. The Series may be adversely affected by events or developments negatively impacting the technology sector or issuers within the technology sector.

Value Stocks Risk—Value stocks are subject to the risk that the intrinsic value of the stock may never be realized by the market or that the price goes down.

Risk Lose Money [Text]

rr_RiskLoseMoney

The value of an investment in the Series will fluctuate and is subject to investment risks, which means investors could lose money.

Risk Nondiversified Status [Text]

rr_RiskNondiversifiedStatus

Bar Chart and Performance Table [Heading]

rr_BarChartAndPerformanceTableHeading

PERFORMANCE INFORMATION

Performance Narrative [Text Block]

rr_PerformanceNarrativeTextBlock

Performance Information Illustrates Variability of Returns [Text]

rr_PerformanceInformationIllustratesVariabilityOfReturns

Performance Past Does Not Indicate Future [Text]

rr_PerformancePastDoesNotIndicateFuture

As with all mutual funds, past performance is not necessarily an indication of how the Series will perform in the future.

Bar Chart Closing [Text Block]

rr_BarChartClosingTextBlock



Highest Quarter Return		Lowest Quarter Return
Q2 2009	18.03%	Q4 2008	-23.33	%

Performance Table Heading

rr_PerformanceTableHeading

AVERAGE ANNUAL TOTAL RETURNS (For the periods ended December 31, 2016)

SERIES B (LARGE CAP VALUE SERIES) | Russell 1000 Value Index

Prospectus:

rr_ProspectusTable

Index No Deduction for Fees, Expenses, Taxes [Text]

rr_IndexNoDeductionForFeesExpensesTaxes

(reflects no deductions for fees, expenses, or taxes)

Label

rr_AverageAnnualReturnLabel

Russell 1000 Value Index (reflects no deductions for fees, expenses, or taxes)

1 Year

rr_AverageAnnualReturnYear01

17.34%

5 Years

rr_AverageAnnualReturnYear05

14.80%

10 Years

rr_AverageAnnualReturnYear10

5.72%

SERIES B (LARGE CAP VALUE SERIES) | A Class

Prospectus:

rr_ProspectusTable

Management Fees (as a percentage of Assets)

rr_ManagementFeesOverAssets

0.65%

Distribution and Service (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

0.25%

Component1 Other Expenses

rr_Component1OtherExpensesOverAssets

0.02%

Component2 Other Expenses

rr_Component2OtherExpensesOverAssets

0.15%

Other Expenses (as a percentage of Assets):

rr_OtherExpensesOverAssets

0.17%

Expenses (as a percentage of Assets)

rr_ExpensesOverAssets

1.07%

Fee Waiver or Reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.25%)

^[4]

Net Expenses (as a percentage of Assets)

rr_NetExpensesOverAssets

0.82%

^[5]

Fee Waiver or Reimbursement over Assets, Date of Termination

rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination

May 1, 2022

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

$ 84

Expense Example, with Redemption, 3 Years

rr_ExpenseExampleYear03

262

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

455

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

$ 1,179

Annual Return 2007

rr_AnnualReturn2007

5.83%

Annual Return 2008

rr_AnnualReturn2008

(37.19%)

Annual Return 2009

rr_AnnualReturn2009

26.50%

Annual Return 2010

rr_AnnualReturn2010

16.17%

Annual Return 2011

rr_AnnualReturn2011

(3.88%)

Annual Return 2012

rr_AnnualReturn2012

15.61%

Annual Return 2013

rr_AnnualReturn2013

31.96%

Annual Return 2014

rr_AnnualReturn2014

9.47%

Annual Return 2015

rr_AnnualReturn2015

(5.08%)

Annual Return 2016

rr_AnnualReturn2016

21.41%

Highest Quarterly Return, Label

rr_HighestQuarterlyReturnLabel

Highest Quarter Return

Highest Quarterly Return, Date

rr_BarChartHighestQuarterlyReturnDate

Jun. 30, 2009

Highest Quarterly Return

rr_BarChartHighestQuarterlyReturn

18.03%

Lowest Quarterly Return, Label

rr_LowestQuarterlyReturnLabel

Lowest Quarter Return

Lowest Quarterly Return, Date

rr_BarChartLowestQuarterlyReturnDate

Dec. 31, 2008

Lowest Quarterly Return

rr_BarChartLowestQuarterlyReturn

(23.33%)

Label

rr_AverageAnnualReturnLabel

Series B

1 Year

rr_AverageAnnualReturnYear01

21.41%

5 Years

rr_AverageAnnualReturnYear05

13.99%

10 Years

rr_AverageAnnualReturnYear10

6.10%

SERIES D (WORLD EQUITY INCOME SERIES)

Prospectus:

rr_ProspectusTable

Risk/Return [Heading]

rr_RiskReturnHeading

Series D (World Equity Income Series)

Objective [Heading]

rr_ObjectiveHeading

INVESTMENT OBJECTIVE

Objective, Primary [Text Block]

rr_ObjectivePrimaryTextBlock

Series D seeks to provide total return, comprised of capital appreciation and income.

Expense [Heading]

rr_ExpenseHeading

FEES AND EXPENSES OF THE SERIES

Expense Narrative [Text Block]

rr_ExpenseNarrativeTextBlock

Operating Expenses Caption [Text]

rr_OperatingExpensesCaption

ANNUAL 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

Portfolio Turnover, Rate

rr_PortfolioTurnoverRate

43.00%

Expense Example [Heading]

rr_ExpenseExampleHeading

EXAMPLE

Expense Example Narrative [Text Block]

rr_ExpenseExampleNarrativeTextBlock

Expense Example by, Year, Caption [Text]

rr_ExpenseExampleByYearCaption

Expense Example Closing [Text Block]

rr_ExpenseExampleClosingTextBlock

The above Example reflects applicable contractual fee waiver/expense reimbursement arrangements for the current duration of the arrangements only.

Strategy [Heading]

rr_StrategyHeading

PRINCIPAL INVESTMENT STRATEGIES

Strategy Narrative [Text Block]

rr_StrategyNarrativeTextBlock

Under normal circumstances, the Series will invest at least 80% of its assets (net assets, plus the amount of any borrowings for investment purposes) in equity securities. Generally, the Series intends to invest in higher dividend-yielding equity securities. The Series is not limited in the percentage of assets it may invest in securities listed, traded or dealt in any one country, region or geographic area and it may invest in a number of countries throughout the world, including emerging markets.

While the Series tends to focus its investments in equity securities of large-and mid-capitalization companies, it can also invest in equity securities of companies that represent a broad range of market capitalizations and will not be constrained by capitalization limits. At times, the Series may thus invest a significant portion of its assets in small-and mid-capitalization companies. The equity securities in which the Series may invest include, but are not limited to, common stock, preferred stock, American Depositary Receipts ("ADRs"), Global Depositary Receipts ("GDRs"), American Depositary Shares ("ADS"), convertible securities and warrants and rights. The Series invests in securities denominated in a wide variety of currencies.

The Series may invest in a variety of investment vehicles, such as exchange-traded funds (“ETFs”) and other mutual funds to manage its cash position, or to gain exposure to the equity markets or a particular sector of the equity markets. These investments may be more liquid than investing directly in individual issuers. The Series may also hold up to 20% of its assets (net assets, plus the amount of any borrowing for investment purposes) in debt securities of foreign or U.S. issuers.

While the Series generally does not intend to usually hold a significant portion of its assets in derivatives, the Series may invest in derivatives, consisting of forwards, options, swaps and futures contracts (some of these instruments may be traded in the over-the-counter market) in order to maintain exposure to the securities and currency markets at times when it is unable to purchase the corresponding securities and currencies directly, or it believes that it is more appropriate to use derivatives to obtain the desired exposure to the underlying assets. Further, the Series may seek to reduce the Series' foreign currency exposure associated with its foreign investments by engaging in transactions and derivatives designed to hedge against adverse movements in foreign currencies, including forward foreign currency contracts, spot market transactions, currency futures, and options. At times, the Series may engage in extensive foreign currency hedging transactions.

Security Investors, LLC, also known as Guggenheim Investments (the "Investment Manager"), will actively manage the Series’ portfolio while utilizing quantitative analysis to forecast risk. The Investment Manager’s goal will be to construct a well diversified portfolio comprised of securities that have historically demonstrated low volatility in their returns and that collectively have the ability to provide dividend yields in excess of the Series’ benchmark, the MSCI World Index (Net) ("MSCI Index"). In selecting investments, the Investment Manager will consider the dividend yield potential of each security, the historic volatility of each security, the correlation between securities, trading liquidity and market capitalization, among other factors or security characteristics. The Investment Manager also may consider transaction costs and overall exposures to countries, sectors and stocks. While the portfolio may be comprised of a large portion of securities that are included within the MSCI Index, a broad-based index that captures large-and mid-cap representations across a large number of developed markets countries, the Series will also invest in securities that are not included in the MSCI Index. The Investment Manager may determine to sell a security for several reasons including the following: (1) better investment opportunities are available; (2) to meet redemption requests; (3) to close-out or unwind derivatives transactions; (4) to realize gains; or (5) if market conditions change.

Risk [Heading]

rr_RiskHeading

PRINCIPAL RISKS

Risk Narrative [Text Block]

rr_RiskNarrativeTextBlock

Capitalization Securities Risk—The Series may have significant exposure to securities in a particular capitalization range, e.g., large-, mid-or small-cap securities. As a result, the Series may be subject to the risk that the pre-dominate capitalization range may underperform other segments of the equity market or the equity market as a whole.

Currency Risk—Indirect and direct exposure to foreign currencies subjects the Series to the risk that those currencies will decline in value relative to the U.S. Dollar, which would cause a decline in the U.S. value of the holdings of the Series. Currency rates in foreign countries may fluctuate significantly over short periods of time for a number of reasons, including changes in interest rates and the imposition of currency controls or other political, economic and tax developments in the U.S. or abroad. The Series' foreign currency hedging transactions and techniques may not be effective and, in certain cases, may adversely affect the Series. In addition, the Series' ability to engage in these transactions and techniques may be limited under certain circumstances.

Dividend-Paying Stock Risk—As a category, dividend-paying stocks may underperform non-dividend paying stocks (and the stock market as a whole) over any period of time. In addition, issuers of dividend-paying stocks may have discretion to defer or stop paying dividends for a stated period of time. If the dividend-paying stocks held by the Series reduce or stop paying dividends, the Series' ability to generate income may be adversely affected.

Emerging Markets Risk—Investments in or exposure to emerging markets are generally subject to a greater level of those risks associated with investing in or being exposed to developed foreign markets, as emerging markets are considered to be less developed than developing countries. Furthermore, investments in or exposure to emerging markets are generally subject to additional risks, including the risks associated with trading in smaller markets, lower volumes of trading, and being subject to lower levels of government regulation and less extensive accounting, financial and other reporting requirements.

Geographic Focus Risk—Asia. Because the Series may focus its investments in Asia, the Series’ performance may be particularly susceptible to adverse social, political and economic conditions or events within Asia. As a result, the Series’ performance may be more volatile than the performance of a more geographically diversified series.

Geographic Focus Risk—Europe. Because the Series may focus its investments in Europe, the Series’ performance may be particularly susceptible to adverse social, political and economic conditions or events within Europe. As a result, the Series’ performance may be more volatile than the performance of a more geographically diversified series.

Leverage Risk—The Series’ use of leverage, through borrowings or instruments such as derivatives, may cause the Series to be more volatile and riskier than if it had not been leveraged.

Risk Lose Money [Text]

rr_RiskLoseMoney

The value of an investment in the Series will fluctuate and is subject to investment risks, which means investors could lose money.

Bar Chart and Performance Table [Heading]

rr_BarChartAndPerformanceTableHeading

PERFORMANCE INFORMATION

Performance Narrative [Text Block]

rr_PerformanceNarrativeTextBlock

Effective August 15, 2013, certain changes were made to the Series’ investment objective, principal investment strategies and portfolio management team. Performance prior to that date, as well as prior to April 29, 2011, was achieved when the Series had a different investment objective and used different strategies.

Performance Information Illustrates Variability of Returns [Text]

rr_PerformanceInformationIllustratesVariabilityOfReturns

Performance Past Does Not Indicate Future [Text]

rr_PerformancePastDoesNotIndicateFuture

As with all mutual funds, past performance is not necessarily an indication of how the Series will perform in the future.

Bar Chart Closing [Text Block]

rr_BarChartClosingTextBlock



Highest Quarter Return		Lowest Quarter Return
Q2 2009	15.35%	Q3 2011	-18.38	%

Performance Table Heading

rr_PerformanceTableHeading

AVERAGE ANNUAL TOTAL RETURNS (For the periods ended December 31, 2016)

SERIES D (WORLD EQUITY INCOME SERIES) | MSCI World Index (Net)

Prospectus:

rr_ProspectusTable

Index No Deduction for Fees, Expenses, Taxes [Text]

rr_IndexNoDeductionForFeesExpensesTaxes

(reflects no deductions for fees, expenses, or taxes)

Label

rr_AverageAnnualReturnLabel

MSCI World Index (Net) (reflects no deductions for fees, expenses, or taxes, except foreign withholding taxes)

^[6]

1 Year

rr_AverageAnnualReturnYear01

7.53%

5 Years

rr_AverageAnnualReturnYear05

10.41%

10 Years

rr_AverageAnnualReturnYear10

3.82%

SERIES D (WORLD EQUITY INCOME SERIES) | A Class

Prospectus:

rr_ProspectusTable

Management Fees (as a percentage of Assets)

rr_ManagementFeesOverAssets

0.70%

Distribution and Service (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

0.25%

Component1 Other Expenses

rr_Component1OtherExpensesOverAssets

0.01%

Component2 Other Expenses

rr_Component2OtherExpensesOverAssets

0.20%

Other Expenses (as a percentage of Assets):

rr_OtherExpensesOverAssets

0.21%

Expenses (as a percentage of Assets)

rr_ExpensesOverAssets

1.16%

Fee Waiver or Reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.25%)

^[7]

Net Expenses (as a percentage of Assets)

rr_NetExpensesOverAssets

0.91%

^[8]

Fee Waiver or Reimbursement over Assets, Date of Termination

rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination

May 1, 2022

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

$ 93

Expense Example, with Redemption, 3 Years

rr_ExpenseExampleYear03

290

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

504

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

$ 1,284

Annual Return 2007

rr_AnnualReturn2007

8.88%

Annual Return 2008

rr_AnnualReturn2008

(38.38%)

Annual Return 2009

rr_AnnualReturn2009

19.73%

Annual Return 2010

rr_AnnualReturn2010

15.69%

Annual Return 2011

rr_AnnualReturn2011

(15.80%)

Annual Return 2012

rr_AnnualReturn2012

16.57%

Annual Return 2013

rr_AnnualReturn2013

19.28%

Annual Return 2014

rr_AnnualReturn2014

5.00%

Annual Return 2015

rr_AnnualReturn2015

(0.67%)

Annual Return 2016

rr_AnnualReturn2016

10.37%

Highest Quarterly Return, Label

rr_HighestQuarterlyReturnLabel

Highest Quarter Return

Highest Quarterly Return, Date

rr_BarChartHighestQuarterlyReturnDate

Jun. 30, 2009

Highest Quarterly Return

rr_BarChartHighestQuarterlyReturn

15.35%

Lowest Quarterly Return, Label

rr_LowestQuarterlyReturnLabel

Lowest Quarter Return

Lowest Quarterly Return, Date

rr_BarChartLowestQuarterlyReturnDate

Sep. 30, 2011

Lowest Quarterly Return

rr_BarChartLowestQuarterlyReturn

(18.38%)

Label

rr_AverageAnnualReturnLabel

Series D

1 Year

rr_AverageAnnualReturnYear01

10.37%

5 Years

rr_AverageAnnualReturnYear05

9.87%

10 Years

rr_AverageAnnualReturnYear10

2.28%

SERIES E (TOTAL RETURN BOND SERIES)

Prospectus:

rr_ProspectusTable

Risk/Return [Heading]

rr_RiskReturnHeading

Series E (Total Return Bond Series)

Objective [Heading]

rr_ObjectiveHeading

INVESTMENT OBJECTIVE

Objective, Primary [Text Block]

rr_ObjectivePrimaryTextBlock

Series E seeks to provide total return, comprised of current income and capital appreciation.

Expense [Heading]

rr_ExpenseHeading

FEES AND EXPENSES OF THE SERIES

Expense Narrative [Text Block]

rr_ExpenseNarrativeTextBlock

Operating Expenses Caption [Text]

rr_OperatingExpensesCaption

ANNUAL 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

Portfolio Turnover, Rate

rr_PortfolioTurnoverRate

88.00%

Expense Example [Heading]

rr_ExpenseExampleHeading

EXAMPLE

Expense Example Narrative [Text Block]

rr_ExpenseExampleNarrativeTextBlock

Expense Example by, Year, Caption [Text]

rr_ExpenseExampleByYearCaption

Expense Example Closing [Text Block]

rr_ExpenseExampleClosingTextBlock

The above Example reflects applicable contractual fee waiver/expense reimbursement arrangements for the current duration of the arrangements only.

Strategy [Heading]

rr_StrategyHeading

PRINCIPAL INVESTMENT STRATEGIES

Strategy Narrative [Text Block]

rr_StrategyNarrativeTextBlock

The Series intends to pursue its investment objective by investing, under normal circumstances, at least 80% of its assets (net assets, plus the amount of any borrowings for investment purposes) in debt securities. Such debt securities may include, corporate bonds and other corporate debt securities, securities issued by the U.S. government or its agencies and instrumentalities (including those not backed by the full faith and credit of the U.S. government), sovereign debt securities, Eurodollar bonds and obligations, mortgage-backed and other asset-backed securities (including collateralized mortgage obligations), loans, participations in and assignments of bank and bridge loans, zero-coupon bonds, municipal bonds, payment-in-kind securities (such as payment-in-kind bonds), convertible fixed-income securities, non-registered or restricted securities (including those issued in reliance on Rule 144A and Regulation S securities), certain preferred securities and step-up securities (such as step-up bonds). These securities may pay fixed or variable rates of interest. While the Series will principally invest in debt securities listed, traded or dealt in developed markets countries, it may also invest without limitation in securities listed, traded or dealt in other countries, including emerging markets countries. Such securities may be denominated in foreign currencies. The Series may also invest in collateralized debt obligations (“CDOs”) (which include collateralized bond obligations, collateralized loan obligations and other similarly structured instruments), preferred stock and convertible securities. The Series may seek to obtain exposure to the securities in which it primarily invests through a variety of investment vehicles, principally closed-end funds, exchange-traded funds (“ETFs”) and other mutual funds.

The Series may hold fixed-income instruments of any quality, rated or unrated, including, those that are rated below investment grade, or if unrated, determined to be of comparable quality (also known as “high yield securities” or “junk bonds”). If nationally recognized statistical rating organizations assign different ratings to the same security, the Series will use the higher rating for purposes of determining the security’s credit quality. However, the Series may not invest more than 33 1/3% of its total assets in fixed-income securities that are below investment grade. The Series may hold securities of any duration or maturity.

With respect to bank loans, the Series may purchase participations in, or assignments of, floating rate bank loans that meet certain liquidity standards and will provide for interest rate adjustments at least every 397 days and which may be secured by real estate or other assets. Participations may be interests in, or assignments of, the loan and may be acquired from banks or brokers that have made the loan or members of the lending syndicate. The Series may also participate in lending syndicates and other direct lending opportunities.

The Series also may seek certain exposures through derivative transactions, principally: foreign exchange forward contracts; futures on securities, indices, currencies and other investments; Eurodollar futures; options; interest rate swaps; cross-currency swaps; total return swaps; credit default swaps; and other foreign currency contracts and foreign currency related transactions, which may also create economic leverage in the Series. The Series may engage in derivative and foreign currency-related transactions for speculative purposes to enhance total return, to seek to hedge against fluctuations in securities prices, interest rates or currency rates, to change the effective duration of its portfolio, to manage certain investment risks and/or as a substitute for the purchase or sale of securities or currencies. The Series may seek to obtain market exposure to the securities in which it primarily invests by entering into a series of purchase and sale contracts or by using other investment techniques (such as “To Be Announced” (“TBA”) transactions and/or dollar rolls). In a TBA transaction, a seller agrees to deliver a mortgage-backed security to the Series at a future date, but the seller does not specify the particular security to be delivered. Instead, the Series agrees to accept any security that meets specified terms. The Series may use leverage to the extent permitted by applicable law by entering into reverse repurchase agreements and borrowing transactions (principally lines of credit) for investment purposes.

Security Investors, LLC, also known as Guggenheim Investments (the "Investment Manager"), uses a process for selecting securities for purchase and sale that is based on intensive credit research and involves extensive due diligence on each issuer, region and sector. The Investment Manager also considers macroeconomic outlook and geopolitical issues.

The Investment Manager may determine to sell a security for several reasons including, the following: (1) to adjust the portfolio’s average maturity, or to shift assets into or out of higher-yielding securities; (2) if a security’s credit rating has been changed or for other credit reasons; (3) to meet redemption requests; (4) to take gains; or (5) due to relative value. The Series does not intend to principally invest in defaulted securities, but if a security defaults subsequent to purchase by the Series, the Investment Manager will determine in its discretion whether to hold or dispose of such security. Under adverse or unstable market conditions or abnormal circumstances (for example, in the event of credit events, where it is deemed opportune to preserve gains, or to preserve the relative value of investments or in the case of large cash inflows or anticipated large redemptions), the Series can make temporary investments and may not be able to pursue or achieve its investment objective.

Risk [Heading]

rr_RiskHeading

PRINCIPAL RISKS

Risk Narrative [Text Block]

rr_RiskNarrativeTextBlock

Residential Mortgage-Backed Securities—Some residential mortgage-backed securities (“RMBS”) are guaranteed or supported by U.S. government agencies or by government sponsored enterprises but there is no assurance that such guarantee or support will remain in place. Non-agency RMBS are not guaranteed or supported by these government agencies or government sponsored enterprises and, thus, are subject to heightened credit risk and liquidity and valuation risk. RMBS are subject to the risks of asset-backed securities generally and may be particularly sensitive to prepayment and extension risk. A rising interest rate environment can cause the prices of RMBS to be increasingly volatile, which may adversely affect the Series's holdings of RMBS.

Commercial Mortgage-Backed Securities—Commercial mortgage backed securities (“CMBS”) may not be guaranteed or supported by U.S. government agencies or by government sponsored enterprises. Investments in CMBS are subject to the risks of asset-backed securities generally and may be particularly sensitive to prepayment and extension risk. CMBS may be less liquid and exhibit greater price volatility than other types of mortgage- or asset-backed securities.

Collateralized Loan Obligations and Collateralized Debt Obligations Risk—Collateralized loan obligations (“CLOs”) bear many of the same risks as other forms of asset-backed securities, including interest rate risk, credit risk and default risk. As they are backed by pools of loans, CLOs also bear similar risks to investing in loans directly. CLOs issue classes or “tranches” that vary in risk and yield. CLOs may experience substantial losses attributable to loan defaults. Losses caused by defaults on underlying assets are borne first by the holders of subordinate tranches. The Series' investment in CLOs may decrease in market value when the CLO experiences loan defaults or credit impairment, the disappearance of a subordinate tranche, or market anticipation of defaults and investor aversion to CLO securities as a class.

Currency Risk—Indirect and direct exposure to foreign currencies subjects the Series to the risk that those currencies will decline in value relative to the U.S. Dollar, which would cause a decline in the U.S. value of the holdings of the Series. Currency rates in foreign countries may fluctuate significantly over short periods of time for a number of reasons, including changes in interest rates and the imposition of currency controls or other political, economic and tax developments in the U.S. or abroad. When the Series seeks exposure to foreign currencies through foreign currency contracts and related transactions, the Series becomes particularly susceptible to foreign currency value fluctuations, which may be sudden and significant, and investment decisions tied to currency markets. In addition, these investments are subject to the risks associated with derivatives and hedging and the impact on the Series of fluctuations in the value of currencies may be magnified.

Dollar Roll Transaction Risk—The Series may enter into dollar roll transactions, in which the Series sells a mortgage-backed or other security for settlement on one date and buys back a substantially similar security for settlement at a later date. Dollar rolls involve a risk of loss if the market value of the securities that the Series is committed to buy declines below the price of the securities the Series has sold.

Extension Risk—During periods of rising interest rates, an issuer may exercise its right to pay principal on an obligation later than expected, resulting in a decrease in the value of the obligation and in a decline in the Series' income.

Hedging Risk—The Series may, but is not required to, engage in various investments or transactions that are designed to hedge a position that the Series holds. There can be no assurance that the Series’ hedging investments or transactions will be effective. Hedging investments or transactions involve costs and may reduce gains or result in losses, which may adversely affect the Series.

High Yield and Unrated Securities Risk—High yield, below investment grade and unrated high risk debt securities (which also may be known as “junk bonds”) may present additional risks because these securities may be less liquid, and therefore more difficult to value accurately and sell at an advantageous price or time, and present more 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.

Investments in Loans Risk—Investments in loans, including loan syndicates and other direct lending opportunities, 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. The Series’ investments in loans can also be difficult to value accurately and may be more susceptible to liquidity risk than fixed-income instruments of similar credit quality and/or maturity. The Series is also subject to the risk that the value of the collateral for the loan may be insufficient to cover the borrower’s obligations should the borrower fail to make payments or become insolvent. Participations in loans may subject the Series to the credit risk of both the borrower and the issuer of the participation and may make enforcement of loan covenants more difficult for the Series as legal action may have to go through the issuer of the participations. Transactions in loans are often subject to long settlement periods, thus potentially limiting the ability of the Series to invest sale proceeds in other investments and to use proceeds to meet its current redemption obligations.

Leverage Risk—The Series’ use of leverage, through borrowings or instruments such as derivatives, may cause the Series to be more volatile and riskier than if it had not been leveraged.

Municipal Securities Risk—Municipal securities may be subject to credit, interest, prepayment, liquidity and valuation risks. In addition, municipal securities can be affected by unfavorable legislative or political developments and adverse changes in the economic and fiscal conditions of state and municipal issuers or the federal government in case it provides financial support to such issuers. Certain sectors of the municipal bond market have special risks that can affect them more significantly than the market as a whole. Because many municipal instruments are issued to finance similar projects, conditions in these industries can significantly affect the overall municipal market. Municipal securities that are insured by an insurer may be adversely affected by developments relevant to that particular insurer, or more general developments relevant to the market as a whole. Municipal securities can be difficult to value and be less liquid than other investments, which may affect performance or the ability to meet redemption requests.

Real Estate Securities Risk—The Series may invest in securities of real estate companies and companies related to the real estate industry, including real estate investment trusts (“REITs”), which are subject to the same risks as direct investments in real estate. The real estate industry is particularly sensitive to economic downturns.

Repurchase Agreements and Reverse Repurchase Agreements Risk—In the event of the insolvency of the counterparty to a repurchase agreement or reverse repurchase agreement, recovery of the repurchase price owed to the Series or, in the case of a reverse repurchase agreement, the securities sold by the Series, may be delayed. Because reverse repurchase agreements may be considered to be the practical equivalent of borrowing funds, they constitute a form of leverage. If the Series reinvests the proceeds of a reverse repurchase agreement at a rate lower than the cost of the agreement, entering into the agreement will lower the Series’ yield.

Sovereign Debt Risk—The debt securities issued by sovereign entities may decline as a result of default or other adverse credit event resulting from a sovereign debtor's unwillingness or inability to repay principal and pay interest in a timely manner, which may be affected by a variety of factors, including its cash flow situation, the extent of its reserves, the availability of sufficient foreign exchange on the date a payment is due, the relative size of the debt service burden to the economy as a whole, the sovereign debtor's policy toward international lenders, and the political constraints to which a sovereign debtor may be subject. Sovereign debt risk is increased for emerging market issuers.

Special Situations/Securities in Default Risk—Investments in the securities and debt of distressed issuers or issuers in default involve far greater risk than investing in issuers whose debt obligations are being met and whose debt trade at or close to its “par” or full value because the investments are highly speculative with respect to the issuer’s ability to make interest payments and/or to pay its principal obligations in full and/or on time.

To-Be-Announced (“TBA”) Transactions Risk—The Series may enter into “To Be Announced” (“TBA”) transactions to purchase or sell mortgage-backed securities for a fixed price at a future date. TBA purchase commitments involve a risk of loss if the value of the securities to be purchased declines prior to settlement date or if the counterparty may not deliver the securities as promised. Selling a TBA involves a risk of loss if the value of the securities to be sold goes up prior to settlement date.

Risk Lose Money [Text]

rr_RiskLoseMoney

The value of an investment in the Series will fluctuate and is subject to investment risks, which means investors could lose money.

Bar Chart and Performance Table [Heading]

rr_BarChartAndPerformanceTableHeading

PERFORMANCE INFORMATION

Performance Narrative [Text Block]

rr_PerformanceNarrativeTextBlock

Effective January 28, 2013, certain changes were made to the Series’ investment objective and principal investment strategies. Performance information prior to that date reflects the Series' prior principal investment strategies.

Performance Information Illustrates Variability of Returns [Text]

rr_PerformanceInformationIllustratesVariabilityOfReturns

Performance Past Does Not Indicate Future [Text]

rr_PerformancePastDoesNotIndicateFuture

As with all mutual funds, past performance is not necessarily an indication of how the Series will perform in the future.

Bar Chart Closing [Text Block]

rr_BarChartClosingTextBlock



Highest Quarter Return		Lowest Quarter Return
Q3 2009	3.48%	Q4 2008	-5.52	%

Performance Table Heading

rr_PerformanceTableHeading

AVERAGE ANNUAL TOTAL RETURNS (For the periods ended December 31, 2016)

SERIES E (TOTAL RETURN BOND SERIES) | Bloomberg Barclays U.S. Aggregate Bond Index

Prospectus:

rr_ProspectusTable

Index No Deduction for Fees, Expenses, Taxes [Text]

rr_IndexNoDeductionForFeesExpensesTaxes

(reflects no deductions for fees, expenses, or taxes)

Label

rr_AverageAnnualReturnLabel

Bloomberg Barclays U.S. Aggregate Bond Index (reflects no deductions for fees, expenses, or taxes)

1 Year

rr_AverageAnnualReturnYear01

2.65%

5 Years

rr_AverageAnnualReturnYear05

2.23%

10 Years

rr_AverageAnnualReturnYear10

4.34%

SERIES E (TOTAL RETURN BOND SERIES) | A Class

Prospectus:

rr_ProspectusTable

Management Fees (as a percentage of Assets)

rr_ManagementFeesOverAssets

0.50%

Distribution and Service (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

0.25%

Component1 Other Expenses

rr_Component1OtherExpensesOverAssets

0.05%

Component2 Other Expenses

rr_Component2OtherExpensesOverAssets

0.22%

Other Expenses (as a percentage of Assets):

rr_OtherExpensesOverAssets

0.27%

Expenses (as a percentage of Assets)

rr_ExpensesOverAssets

1.02%

Fee Waiver or Reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.19%)

^[9],[10]

Net Expenses (as a percentage of Assets)

rr_NetExpensesOverAssets

0.83%

Fee Waiver or Reimbursement over Assets, Date of Termination

rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination

May 1, 2019

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

$ 85

Expense Example, with Redemption, 3 Years

rr_ExpenseExampleYear03

286

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

525

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

$ 1,212

Annual Return 2007

rr_AnnualReturn2007

2.91%

Annual Return 2008

rr_AnnualReturn2008

(8.66%)

Annual Return 2009

rr_AnnualReturn2009

8.41%

Annual Return 2010

rr_AnnualReturn2010

6.05%

Annual Return 2011

rr_AnnualReturn2011

5.16%

Annual Return 2012

rr_AnnualReturn2012

5.86%

Annual Return 2013

rr_AnnualReturn2013

1.73%

Annual Return 2014

rr_AnnualReturn2014

8.10%

Annual Return 2015

rr_AnnualReturn2015

1.15%

Annual Return 2016

rr_AnnualReturn2016

6.83%

Highest Quarterly Return, Label

rr_HighestQuarterlyReturnLabel

Highest Quarter Return

Highest Quarterly Return, Date

rr_BarChartHighestQuarterlyReturnDate

Sep. 30, 2009

Highest Quarterly Return

rr_BarChartHighestQuarterlyReturn

3.48%

Lowest Quarterly Return, Label

rr_LowestQuarterlyReturnLabel

Lowest Quarter Return

Lowest Quarterly Return, Date

rr_BarChartLowestQuarterlyReturnDate

Dec. 31, 2008

Lowest Quarterly Return

rr_BarChartLowestQuarterlyReturn

(5.52%)

Label

rr_AverageAnnualReturnLabel

Series E

1 Year

rr_AverageAnnualReturnYear01

6.83%

5 Years

rr_AverageAnnualReturnYear05

4.70%

10 Years

rr_AverageAnnualReturnYear10

3.64%

SERIES F (FLOATING RATE STRATEGIES SERIES)

Prospectus:

rr_ProspectusTable

Risk/Return [Heading]

rr_RiskReturnHeading

Series F (Floating Rate Strategies Series)

Objective [Heading]

rr_ObjectiveHeading

INVESTMENT OBJECTIVE

Objective, Primary [Text Block]

rr_ObjectivePrimaryTextBlock

Series F seeks to provide a high level of current income while maximizing total return.

Expense [Heading]

rr_ExpenseHeading

FEES AND EXPENSES OF THE SERIES

Expense Narrative [Text Block]

rr_ExpenseNarrativeTextBlock

Operating Expenses Caption [Text]

rr_OperatingExpensesCaption

ANNUAL 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

Portfolio Turnover, Rate

rr_PortfolioTurnoverRate

71.00%

Expense Example [Heading]

rr_ExpenseExampleHeading

EXAMPLE

Expense Example Narrative [Text Block]

rr_ExpenseExampleNarrativeTextBlock

Expense Example by, Year, Caption [Text]

rr_ExpenseExampleByYearCaption

Expense Example Closing [Text Block]

rr_ExpenseExampleClosingTextBlock

The above Example reflects applicable contractual fee waiver/expense reimbursement arrangements for the current duration of the arrangements only.

Strategy [Heading]

rr_StrategyHeading

PRINCIPAL INVESTMENT STRATEGIES

Strategy Narrative [Text Block]

rr_StrategyNarrativeTextBlock

The Series will, under normal circumstances, invest at least 80% of its assets (net assets, plus the amount of any borrowings for investment purposes) in floating rate senior secured syndicated bank loans, floating rate revolving credit facilities (“revolvers”), floating rate unsecured loans, floating rate asset backed securities (including floating rate collateralized loan obligations (“CLOs”)), other floating rate bonds, loans, notes and other securities (which may include, principally, senior secured, senior unsecured and subordinated bonds), fixed income instruments with respect to which the Series has entered into derivative instruments to effectively convert the fixed rate interest payments into floating rate income payments, and derivative instruments (based on their notional value for purposes of this 80% strategy) that provide exposure (i.e., economic characteristics similar) to floating rate or variable rate loans, obligations or other securities. The loans in which the Series will invest, generally made by banks and other lending institutions, are made to (or issued by) corporations, partnerships and other business entities. Floating rate loans feature rates that reset regularly, maintaining a fixed spread over the London InterBank Offered Rate (“LIBOR”) or the prime rates of large money-center banks. The interest rates for floating rate loans typically reset quarterly, although rates on some loans may adjust at other intervals.

The Series invests in other fixed-income instruments of various maturities which may be represented by bonds, debt securities, commercial paper, forwards, derivatives or other similar instruments that Guggenheim Partners Investment Management, LLC, also known as Guggenheim Investments (the “Investment Manager”), believes provide the potential to deliver a high level of current income. Securities in which the Series invests also may include corporate bonds, convertible securities (including those that are deemed to be “busted” because they are trading well below their equity conversion value), mortgage-backed securities, fixed rate asset-backed securities (including collateralized mortgage-backed securities) and CLOs. The Series may invest in a variety of investment vehicles, such as closed-end funds, exchange-traded funds (“ETFs”) and other mutual funds.

The Series may hold securities of any quality, rated or unrated, including, those that are rated below investment grade, or, if unrated, determined to be of comparable quality (also known as “high yield securities” or “junk bonds”). The Series may hold below investment grade securities with no limit. The Series may hold non-registered or restricted securities (consisting of securities originally issued in reliance on Rule 144A and Regulation S securities). The Series may also invest in securities of real estate investment trusts (“REITs”) and other real estate companies.

The Series will principally invest in U.S. dollar denominated loans and other securities of U.S. companies, but may also invest in securities of non-U.S. companies, non-U.S. dollar denominated loans and securities (e.g., denominated in Euros, British pounds, Swiss francs or Canadian dollars), including loans and securities of emerging market countries, sovereign debt securities and Eurodollar bonds and obligations. The Investment Manager may attempt to reduce foreign currency exchange rate risk by entering into contracts with banks, brokers or dealers to purchase or sell securities or foreign currencies at a future date (“forward contracts”).

The Series also may seek certain exposures through derivative transactions, including: foreign exchange forward contracts; futures on securities, indices, currencies and other investments; Eurodollar futures; options; interest rate swaps; cross-currency swaps; total return swaps; and credit default swaps, which may also create economic leverage in the Series. The Series may engage in derivative transactions for speculative purposes to enhance total return, to seek to hedge against fluctuations in securities prices, interest rates or currency rates, to change the effective duration of its portfolio, to manage certain investment risks and/or as a substitute for the purchase or sale of securities or currencies. The Series may use leverage to the extent permitted by applicable law by entering into reverse repurchase agreements and borrowing transactions (principally lines of credit) for investment purposes.

The Series also may engage, without limit, in repurchase agreements, forward commitments, short sales and securities lending. The Series may, without limitation, seek to obtain exposure to the securities in which it primarily invests by entering into a series of purchase and sale contracts or by using other investment techniques (such as dollar rolls).

The Investment Manager’s investment philosophy is predicated upon the belief that thorough research and independent thought are rewarded with performance that has the potential to outperform benchmark indexes with both lower volatility and lower correlation of returns as compared to such benchmark indexes.

The Investment Manager may determine to sell a security for several reasons including the following: (1) to adjust the portfolio’s average maturity, or to shift assets into or out of higher-yielding securities; (2) if a security’s credit rating has been changed or for other credit reasons; (3) to meet redemption requests; (4) to take gains; or (5) due to relative value. The Series generally will not invest in securities that are in default at the time of purchase. If a security defaults subsequent to purchase by the Series, the Investment Manager will determine in its discretion whether to hold or dispose of such security. Under adverse or unstable market conditions or abnormal circumstances (for example, in the event of credit events, where it is deemed opportune to preserve gains, or to preserve the relative value of investments, or in the case of large cash inflows or anticipated large redemptions), the Series can make temporary investments and may not be able to pursue or achieve its investment objective.

Risk [Heading]

rr_RiskHeading

PRINCIPAL RISKS

Risk Narrative [Text Block]

rr_RiskNarrativeTextBlock

Collateralized debt obligations (“CDOs”) are structured similarly to CLOs and bear the same risks as CLOs including interest rate risk, credit risk and default risk. CDOs are subject to additional risks because they are backed by pools of assets other than loans including securities (such as other asset-backed securities), synthetic instruments or bonds and may be highly leveraged. Like CLOs, losses incurred by a CDO are borne first by holders of subordinate tranches. Accordingly, the risks of CDOs depend largely on the type of underlying collateral and the tranche of CDOs in which the Series invests. For example, CDOs that obtain their exposure through synthetic investments entail the risks associated with derivative instruments.

Commercial Paper Risk—The value of the Series' investment in commercial paper, which is an unsecured promissory note that generally has a maturity date between one and 270 days and is issued by a U.S. or foreign entity, is susceptible to changes in the issuer’s financial condition or credit quality. Investments in commercial paper are usually discounted from their value at maturity. Commercial paper can be fixed-rate or variable rate and can be adversely affected by changes in interest rates.

Investments in Loans Risk—Investments in loans, including loan syndicates and other direct lending opportunities, 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. The Series’ investments in loans can also be difficult to value accurately and may be more susceptible to liquidity risk than fixed-income instruments of similar credit quality and/or maturity. The Series is also subject to the risk that the value of the collateral for the loan may be insufficient to cover the borrower’s obligations should the borrower fail to make payments or become insolvent. Participations in loans may subject the Series to the credit risk of both the borrower and the issuer of the participation and may make enforcement of loan covenants more difficult for the Series as legal action may have to go through the issuer of the participations. Transactions in loans are often subject to long settlement periods, thus potentially limiting the ability of the Series to invest sale proceeds in other investments and to use proceeds to meet its current redemption obligations.

Leverage Risk—The Series’ use of leverage, through borrowings or instruments such as derivatives, may cause the Series to be more volatile and riskier than if it had not been leveraged.

Real Estate Securities Risk—The Series may invest in securities of real estate companies and companies related to the real estate industry, including REITs, which are subject to the same risks as direct investments in real estate. The real estate industry is particularly sensitive to economic downturns.

Securities Lending Risk—Securities lending involves a risk that the borrower may fail to return the securities or deliver the proper amount of collateral, which may result in a loss to the Series. In the event of bankruptcy of the borrower, the Series could experience losses or delays in recovering the loaned securities.

Short Sale Risk—Short selling a security involves selling a borrowed security with the expectation that the value of that 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 Series’ ability to engage in short selling.

Risk Lose Money [Text]

rr_RiskLoseMoney

The value of an investment in the Series will fluctuate and is subject to investment risks, which means investors could lose money.

Bar Chart and Performance Table [Heading]

rr_BarChartAndPerformanceTableHeading

PERFORMANCE INFORMATION

Performance Narrative [Text Block]

rr_PerformanceNarrativeTextBlock

Bar Chart Closing [Text Block]

rr_BarChartClosingTextBlock



Highest Quarter Return		Lowest Quarter Return
Q3 2016	3.01%	Q4 2015	-1.61	%

Performance Table Heading

rr_PerformanceTableHeading

AVERAGE ANNUAL TOTAL RETURNS(For the periods ended December 31, 2016)

SERIES F (FLOATING RATE STRATEGIES SERIES) | Credit Suisse Leveraged Loan Index

Prospectus:

rr_ProspectusTable

Index No Deduction for Fees, Expenses, Taxes [Text]

rr_IndexNoDeductionForFeesExpensesTaxes

(reflects no deductions for fees, expenses, or taxes)

Label

rr_AverageAnnualReturnLabel

Credit Suisse Leveraged Loan Index (reflects no deductions for fees, expenses, or taxes)

1 Year

rr_AverageAnnualReturnYear01

9.87%

Since Inception

rr_AverageAnnualReturnSinceInception

3.90%

^[11]

Inception Date

rr_AverageAnnualReturnInceptionDate

Apr. 24, 2013

SERIES F (FLOATING RATE STRATEGIES SERIES) | A Class

Prospectus:

rr_ProspectusTable

Management Fees (as a percentage of Assets)

rr_ManagementFeesOverAssets

0.65%

Distribution and Service (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

0.25%

Component1 Other Expenses

rr_Component1OtherExpensesOverAssets

0.03%

Component2 Other Expenses

rr_Component2OtherExpensesOverAssets

0.29%

Other Expenses (as a percentage of Assets):

rr_OtherExpensesOverAssets

0.32%

Expenses (as a percentage of Assets)

rr_ExpensesOverAssets

1.22%

Fee Waiver or Reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.04%)

^[12],[13]

Net Expenses (as a percentage of Assets)

rr_NetExpensesOverAssets

1.18%

Fee Waiver or Reimbursement over Assets, Date of Termination

rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination

May 1, 2019

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

$ 120

Expense Example, with Redemption, 3 Years

rr_ExpenseExampleYear03

379

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

662

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

$ 1,470

Annual Return 2014

rr_AnnualReturn2014

2.38%

Annual Return 2015

rr_AnnualReturn2015

0.73%

Annual Return 2016

rr_AnnualReturn2016

8.56%

Highest Quarterly Return, Date

rr_BarChartHighestQuarterlyReturnDate

Sep. 30, 2016

Highest Quarterly Return

rr_BarChartHighestQuarterlyReturn

3.01%

Lowest Quarterly Return, Date

rr_BarChartLowestQuarterlyReturnDate

Dec. 31, 2015

Lowest Quarterly Return

rr_BarChartLowestQuarterlyReturn

(1.61%)

Label

rr_AverageAnnualReturnLabel

Series F

1 Year

rr_AverageAnnualReturnYear01

8.56%

Since Inception

rr_AverageAnnualReturnSinceInception

3.80%

^[11]

Inception Date

rr_AverageAnnualReturnInceptionDate

Apr. 24, 2013

SERIES J (STYLEPLUS - MID GROWTH SERIES)

Prospectus:

rr_ProspectusTable

Risk/Return [Heading]

rr_RiskReturnHeading

Series J (StylePlus—Mid Growth Series)

Objective [Heading]

rr_ObjectiveHeading

INVESTMENT OBJECTIVE

Objective, Primary [Text Block]

rr_ObjectivePrimaryTextBlock

Series J seeks long-term growth of capital.

Expense [Heading]

rr_ExpenseHeading

FEES AND EXPENSES OF THE SERIES

Expense Narrative [Text Block]

rr_ExpenseNarrativeTextBlock

Operating Expenses Caption [Text]

rr_OperatingExpensesCaption

ANNUAL 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

Portfolio Turnover, Rate

rr_PortfolioTurnoverRate

57.00%

Expense Example [Heading]

rr_ExpenseExampleHeading

EXAMPLE

Expense Example Narrative [Text Block]

rr_ExpenseExampleNarrativeTextBlock

Expense Example by, Year, Caption [Text]

rr_ExpenseExampleByYearCaption

Expense Example Closing [Text Block]

rr_ExpenseExampleClosingTextBlock

The above Example reflects applicable contractual fee waiver/expense reimbursement arrangements for the current duration of the arrangements only.

Strategy [Heading]

rr_StrategyHeading

PRINCIPAL INVESTMENT STRATEGIES

Strategy Narrative [Text Block]

rr_StrategyNarrativeTextBlock

Series J seeks to exceed the total return of the Russell Midcap Growth Index (the “Index”). The Series pursues its objective by investing, under normal circumstances, at least 80% of its assets (net assets, plus the amount of any borrowings for investment purposes) in: (i) equity securities issued by companies that have market capitalizations within the range of companies in the Index; (ii) investment vehicles that provide exposure to companies that have market capitalizations within the range of companies in the Index; and (iii) equity derivatives that, when purchased, provide exposure to (i.e., economic characteristics similar to) equity securities of companies with market capitalizations usually within the range of companies in the Index and equity derivatives based on mid-capitalization indices, including mid-capitalization growth indices deemed appropriate by Security Investors, LLC, also known as Guggenheim Investments (the “Investment Manager”). The Series will usually also invest in fixed-income securities and cash investments to collateralize derivatives positions and to increase investment return. As of March 31, 2017, the Index consisted of securities of companies with market capitalizations that ranged from $72 million to $63.7 billion.

Equity securities in which the Series may invest include common stocks, rights and warrants, and American Depositary Receipts (“ADRs”). Derivatives in which the Series may invest include options, futures contracts, swap agreements, and forward contracts (some of these instruments may be traded in the over-the-counter market). Fixed-income securities and other securities in which the Series may invest include debt securities selected from a variety of sectors and credit qualities (principally, investment grade), principally, corporate bonds, participations in and assignments of syndicated bank loans, asset-backed securities (including mortgage-backed securities, collateralized debt obligations ("CDOs"), collateralized loan obligations ("CLOs") and other structured finance investments), U.S. government and agency securities (including those not backed by the full faith and credit of the U.S. government), mezzanine and preferred securities, commercial paper, zero-coupon bonds, non-registered or restricted securities (consisting of securities originally issued in reliance on Rule 144A and Regulation S), step-up securities (such as step-up bonds) and convertible securities that Guggenheim Investments believes offer attractive yield and/or capital appreciation potential. The Series may invest in securities listed, traded or dealt in other countries. The Series may hold securities of any duration or maturity. Fixed-income securities in which the Series may invest may pay fixed or variable rates of interest. The Series may invest in a variety of investment vehicles, principally closed-end funds, exchange-traded funds (“ETFs”) and other mutual funds.

The Series invests a substantial portion of its assets in investment companies advised by the Investment Manager, or an affiliate of the Investment Manager, that invest in short-term fixed-income or floating rate securities. These funds are designed primarily to provide an alternative to investing directly in various short-term fixed-income or floating rate securities. The Series invests in these investment companies for various portfolio management purposes, including for cash management and liquidity management purposes and to seek to obtain exposure with a higher level of return on investments used to collateralize derivatives positions and achieve greater diversification and trading efficiency than would usually be experienced by investing directly and separately in fixed-income or floating rate securities. Investments by the Series in these investment companies significantly increase the Series' exposure to the following asset categories: (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 (also known as “junk bonds”) or, if unrated, determined by the Investment Manager, to be of comparable quality; (ii) CLOs, other asset-backed securities and similarly structured debt investments; and (iii) other short-term fixed or floating rate debt securities. Such investments expose the Series to the risks of these asset categories and decreases in the value of these investments may cause the Series to deviate from its investment objective.

Risk [Heading]

rr_RiskHeading

PRINCIPAL RISKS

Risk Narrative [Text Block]

rr_RiskNarrativeTextBlock

Leverage Risk—The Series’ use of leverage, through borrowings or instruments such as derivatives, may cause the Series to be more volatile and riskier than if it had not been leveraged.

Mid-Capitalization Securities Risk—The Series is subject to the risk that mid-capitalization securities may underperform other segments of the equity market or the equity market as a whole. Securities of mid-capitalization companies may be more speculative, volatile and less liquid than securities of large companies. Mid-capitalization companies tend to have inexperienced management as well as limited product and market diversification and financial resources, and may be more vulnerable to adverse developments than large capitalization companies.

Risk Lose Money [Text]

rr_RiskLoseMoney

The value of an investment in the Series will fluctuate and is subject to investment risks, which means investors could lose money.

Bar Chart and Performance Table [Heading]

rr_BarChartAndPerformanceTableHeading

PERFORMANCE INFORMATION

Performance Narrative [Text Block]

rr_PerformanceNarrativeTextBlock

Effective April 30, 2013, certain changes were made to the Series’ investment objective and principal investment strategies. Performance information prior to that date reflects the Series' prior principal investment strategies.

Performance Information Illustrates Variability of Returns [Text]

rr_PerformanceInformationIllustratesVariabilityOfReturns

Performance Past Does Not Indicate Future [Text]

rr_PerformancePastDoesNotIndicateFuture

As with all mutual funds, past performance is not necessarily an indication of how the Series will perform in the future.

Bar Chart Closing [Text Block]

rr_BarChartClosingTextBlock



Highest Quarter Return		Lowest Quarter Return
Q2 2009	19.76%	Q4 2008	-25.39	%

Performance Table Heading

rr_PerformanceTableHeading

AVERAGE ANNUAL TOTAL RETURNS (For the periods ended December 31, 2016)

SERIES J (STYLEPLUS - MID GROWTH SERIES) | Russell Midcap Growth Index

Prospectus:

rr_ProspectusTable

Index No Deduction for Fees, Expenses, Taxes [Text]

rr_IndexNoDeductionForFeesExpensesTaxes

(reflects no deductions for fees, expenses, or taxes)

Label

rr_AverageAnnualReturnLabel

Russell Midcap Growth Index (reflects no deductions for fees, expenses, or taxes)

1 Year

rr_AverageAnnualReturnYear01

7.33%

5 Years

rr_AverageAnnualReturnYear05

13.51%

10 Years

rr_AverageAnnualReturnYear10

7.83%

SERIES J (STYLEPLUS - MID GROWTH SERIES) | A Class

Prospectus:

rr_ProspectusTable

Management Fees (as a percentage of Assets)

rr_ManagementFeesOverAssets

0.75%

Distribution and Service (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

0.25%

Component1 Other Expenses

rr_Component1OtherExpensesOverAssets

0.01%

Component2 Other Expenses

rr_Component2OtherExpensesOverAssets

0.19%

Other Expenses (as a percentage of Assets):

rr_OtherExpensesOverAssets

0.20%

Acquired Fund Fees and Expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.09%

Expenses (as a percentage of Assets)

rr_ExpensesOverAssets

1.29%

^[14]

Fee Waiver or Reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.25%)

^[15]

Net Expenses (as a percentage of Assets)

rr_NetExpensesOverAssets

1.04%

^[16]

Fee Waiver or Reimbursement over Assets, Date of Termination

rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination

May 1, 2022

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

$ 106

Expense Example, with Redemption, 3 Years

rr_ExpenseExampleYear03

331

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

574

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

$ 1,433

Annual Return 2007

rr_AnnualReturn2007

(10.43%)

Annual Return 2008

rr_AnnualReturn2008

(39.96%)

Annual Return 2009

rr_AnnualReturn2009

43.96%

Annual Return 2010

rr_AnnualReturn2010

24.17%

Annual Return 2011

rr_AnnualReturn2011

(4.33%)

Annual Return 2012

rr_AnnualReturn2012

15.79%

Annual Return 2013

rr_AnnualReturn2013

30.52%

Annual Return 2014

rr_AnnualReturn2014

13.05%

Annual Return 2015

rr_AnnualReturn2015

(0.08%)

Annual Return 2016

rr_AnnualReturn2016

8.65%

Highest Quarterly Return, Label

rr_HighestQuarterlyReturnLabel

Highest Quarter Return

Highest Quarterly Return, Date

rr_BarChartHighestQuarterlyReturnDate

Jun. 30, 2009

Highest Quarterly Return

rr_BarChartHighestQuarterlyReturn

19.76%

Lowest Quarterly Return, Label

rr_LowestQuarterlyReturnLabel

Lowest Quarter Return

Lowest Quarterly Return, Date

rr_BarChartLowestQuarterlyReturnDate

Dec. 31, 2008

Lowest Quarterly Return

rr_BarChartLowestQuarterlyReturn

(25.39%)

Label

rr_AverageAnnualReturnLabel

Series J

1 Year

rr_AverageAnnualReturnYear01

8.65%

5 Years

rr_AverageAnnualReturnYear05

13.15%

10 Years

rr_AverageAnnualReturnYear10

5.49%

SERIES N (MANAGED ASSET ALLOCATION SERIES)

Prospectus:

rr_ProspectusTable

Risk/Return [Heading]

rr_RiskReturnHeading

Series N (Managed Asset Allocation Series)

Objective [Heading]

rr_ObjectiveHeading

INVESTMENT OBJECTIVE

Objective, Primary [Text Block]

rr_ObjectivePrimaryTextBlock

Series N seeks to provide growth of capital and, secondarily, preservation of capital.

Expense [Heading]

rr_ExpenseHeading

FEES AND EXPENSES OF THE SERIES

Expense Narrative [Text Block]

rr_ExpenseNarrativeTextBlock

Operating Expenses Caption [Text]

rr_OperatingExpensesCaption

ANNUAL 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

Portfolio Turnover, Rate

rr_PortfolioTurnoverRate

6.00%

Expense Example [Heading]

rr_ExpenseExampleHeading

EXAMPLE

Expense Example Narrative [Text Block]

rr_ExpenseExampleNarrativeTextBlock

Expense Example by, Year, Caption [Text]

rr_ExpenseExampleByYearCaption

Strategy [Heading]

rr_StrategyHeading

PRINCIPAL INVESTMENT STRATEGIES

Strategy Narrative [Text Block]

rr_StrategyNarrativeTextBlock

The Series seeks to achieve its investment objective by investing in a diversified portfolio of futures contracts and exchange-traded funds (“ETFs”) and other pooled investment vehicles that track major equity indexes and fixed-income indexes (“underlying funds”) to obtain exposure to equity, fixed-income and money market assets. The precise allocation to equity and fixed-income assets will depend on the outlook of Security Investors, LLC, also known as Guggenheim Investments (the “Investment Manager”), for each asset class and are expected to change (possibly suddenly and significantly) from time to time. The Series may obtain exposure to these asset classes through investments in the underlying funds, which may track indices such as the S&P 500 Index and Bloomberg Barclays U.S. Aggregate Bond Index, or through investments in futures contracts and other derivatives, as further discussed below.

Under normal market conditions, the Series’ investments are expected to achieve a moderate allocation of equity, fixed-income and money market assets in approximately the following amounts: (1) 60% of total assets in equity securities, which may include stock of small capitalization U.S. companies, mid-capitalization U.S. companies, large capitalization U.S. companies and non-U.S. companies (including companies from emerging markets countries); and (2) 40% of total assets in fixed-income securities, which may include short and long term corporate and government bonds and which may be of any quality, rated or unrated, including those that are rated below investment grade, or, if unrated, determined to be of comparable quality (also known as “high yield securities” or “junk bonds”). However, the Investment Manager intends to utilize dynamic asset allocation techniques that will allow rapid shifts between asset classes to attempt to exploit current market trends, and the Series may invest fully in any asset class at any time. Moreover, the Investment Manager may change the Series’ asset class allocation, the underlying funds or weightings without shareholder notice. The Series’ investments will, under normal market conditions, be rebalanced monthly toward the moderate allocation discussed above.

The Investment Manager determines the Series’ asset allocation through the analysis of multiple proprietary factors that impact each asset class. An outlook for each asset is based on risk and return expectations. Once an outlook is established, the Series’ assets are allocated through proprietary techniques using a risk management process that adapts to different market trends and dynamically shifts allocations to exploit the current market environment. Asset classes are evaluated independently.

The Series is expected to implement its investment strategies by investing in ETFs, including ETFs managed by the Investment Manager or its affiliates, and other pooled investment vehicles. The Series invests a substantial portion of its assets in investment companies advised by the Investment Manager, or an affiliate of the Investment Manager, that invest in short-term fixed-income or floating rate securities. The Series may invest in these investment companies for various portfolio management purposes, including for cash management and liquidity management purposes and to seek a higher level of return on investments used to collateralize derivatives positions and achieve greater diversification and trading efficiency than would usually be experienced by investing directly and separately in fixed-income or floating rate securities. Investments by the Series in these investment companies significantly increase the Series' exposure to the following asset categories: (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 (also known as “junk bonds”) or, if unrated, determined by the Investment Manager, to be of comparable quality; (ii) collateralized loan obligations (“CLOs”), other asset-backed securities and similarly structured debt investments; and (iii) other short-term fixed or floating rate debt securities. Such investments expose the Series to the risks of these asset categories and decreases in the value of these investments may cause the Series to deviate from its investment objective.

The Series is also expected to implement its strategies through investments in derivative instruments such as futures contracts, options on futures contracts, options on securities, currency futures contracts and credit derivative instruments for purposes of enhancing income (i.e., speculative purposes), hedging risks posed by other portfolio holdings, or as a substitute for investing, purchasing or selling securities or other assets. Certain of the Series’ derivatives investments may be traded in the over-the-counter (“OTC”) market. In an effort to ensure that the Series has the desired positioning on a day-to-day basis, the Series may conduct any necessary trading activity at or just prior to the close of the U.S. financial markets.

Risk [Heading]

rr_RiskHeading

PRINCIPAL RISKS

Risk Narrative [Text Block]

rr_RiskNarrativeTextBlock

Allocation Risk—The ability of the Series to achieve its investment objective depends, in part, on the ability of the Investment Manager to allocate effectively the Series’ assets among multiple investment strategies, underlying funds and asset classes. There can be no assurance that the actual allocations will be effective in achieving the Series’ investment objective or that an investment strategy or underlying fund will achieve its particular investment objective.

Conflicts of Interest Risk—The Investment Manager will have the authority to select and substitute underlying funds. The Investment Manager is subject to conflicts of interest in doing so when it allocates Series assets among the various underlying funds, both because the fees payable to it by some underlying funds may be higher than the fees payable by other underlying funds and because the Investment Manager or an affiliate may also be responsible for managing affiliated underlying funds.

Correlation and Tracking Error Risk—A number of factors may affect an underlying fund’s ability to track its benchmark index or achieve a high degree of correlation with its benchmark either on a single trading day or for a longer time period. Factors such as underlying fund expenses, imperfect correlation between the underlying fund’s investments and those of its Underlying Index, rounding of share prices, regulatory policies, high portfolio turnover rate and the use of leverage all contribute to tracking error or correlation risk. There can be no guarantee that the underlying fund will achieve a high degree of correlation. Failure to achieve a high degree of correlation may prevent the underlying fund from achieving its investment objective.

Leverage Risk—The Series’ use of leverage, through borrowings or instruments such as derivatives, may cause the Series to be more volatile and riskier than if it had not been leveraged.

Small-Capitalization Securities Risk—The Series is subject to the risk that small-capitalization securities may underperform other segments of the equity market or the equity market as a whole. Securities of small-capitalization companies may be more speculative, volatile and less liquid than securities of larger companies. Small-capitalization companies tend to have inexperienced management as well as limited product and market diversification and financial resources, and may be more vulnerable to adverse developments than mid- or large- capitalization companies.

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. U.S. government securities are subject to the risks associated with fixed-income and debt

securities, particularly interest rate risk and credit risk.

Risk Lose Money [Text]

rr_RiskLoseMoney

The value of an investment in the Series will fluctuate and is subject to investment risks, which means investors could lose money.

Bar Chart and Performance Table [Heading]

rr_BarChartAndPerformanceTableHeading

PERFORMANCE INFORMATION

Performance Narrative [Text Block]

rr_PerformanceNarrativeTextBlock

Effective April 30, 2012, certain changes were made to the Series’ principal investment strategies and fees and expenses. Performance information prior to that date reflects the Series' prior principal investment strategies. Moreover, the Investment Manager assumed portfolio management responsibilities from the prior investment sub-adviser.

Performance Information Illustrates Variability of Returns [Text]

rr_PerformanceInformationIllustratesVariabilityOfReturns

Performance Past Does Not Indicate Future [Text]

rr_PerformancePastDoesNotIndicateFuture

As with all mutual funds, past performance is not necessarily an indication of how the Series will perform in the future.

Bar Chart Closing [Text Block]

rr_BarChartClosingTextBlock



Highest Quarter Return		Lowest Quarter Return
Q2 2009	14.43%	Q4 2008	-14.56	%

Performance Table Heading

rr_PerformanceTableHeading

AVERAGE ANNUAL TOTAL RETURNS (For the periods ended December 31, 2016)

SERIES N (MANAGED ASSET ALLOCATION SERIES) | S&P 500 Index

Prospectus:

rr_ProspectusTable

Index No Deduction for Fees, Expenses, Taxes [Text]

rr_IndexNoDeductionForFeesExpensesTaxes

(reflects no deductions for fees, expenses, or taxes)

Label

rr_AverageAnnualReturnLabel

S&P 500 Index (reflects no deductions for fees, expenses, or taxes)

1 Year

rr_AverageAnnualReturnYear01

11.96%

5 Years

rr_AverageAnnualReturnYear05

14.66%

10 Years

rr_AverageAnnualReturnYear10

6.95%

SERIES N (MANAGED ASSET ALLOCATION SERIES) | 60% S&P 500 Index and 40% Bloomberg Barclays U.S. Aggregate Bond Index

Prospectus:

rr_ProspectusTable

Index No Deduction for Fees, Expenses, Taxes [Text]

rr_IndexNoDeductionForFeesExpensesTaxes

(reflects no deductions for fees, expenses, or taxes)

Label

rr_AverageAnnualReturnLabel

60% S&P 500 Index and 40% Bloomberg Barclays U.S. Aggregate Bond Index (reflects no deduction for fees, expenses, or taxes)

1 Year

rr_AverageAnnualReturnYear01

8.31%

5 Years

rr_AverageAnnualReturnYear05

9.69%

10 Years

rr_AverageAnnualReturnYear10

6.21%

SERIES N (MANAGED ASSET ALLOCATION SERIES) | A Class

Prospectus:

rr_ProspectusTable

Management Fees (as a percentage of Assets)

rr_ManagementFeesOverAssets

0.40%

^[17]

Distribution and Service (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

0.25%

Other Expenses (as a percentage of Assets):

rr_OtherExpensesOverAssets

0.27%

Acquired Fund Fees and Expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.10%

Net Expenses (as a percentage of Assets)

rr_NetExpensesOverAssets

1.02%

^[18],[19]

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

$ 104

Expense Example, with Redemption, 3 Years

rr_ExpenseExampleYear03

325

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

563

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

$ 1,248

Annual Return 2007

rr_AnnualReturn2007

6.04%

Annual Return 2008

rr_AnnualReturn2008

(27.20%)

Annual Return 2009

rr_AnnualReturn2009

25.63%

Annual Return 2010

rr_AnnualReturn2010

10.56%

Annual Return 2011

rr_AnnualReturn2011

0.65%

Annual Return 2012

rr_AnnualReturn2012

13.29%

Annual Return 2013

rr_AnnualReturn2013

14.33%

Annual Return 2014

rr_AnnualReturn2014

6.71%

Annual Return 2015

rr_AnnualReturn2015

0.11%

Annual Return 2016

rr_AnnualReturn2016

8.01%

Highest Quarterly Return, Label

rr_HighestQuarterlyReturnLabel

Highest Quarter Return

Highest Quarterly Return, Date

rr_BarChartHighestQuarterlyReturnDate

Jun. 30, 2009

Highest Quarterly Return

rr_BarChartHighestQuarterlyReturn

14.43%

Lowest Quarterly Return, Label

rr_LowestQuarterlyReturnLabel

Lowest Quarter Return

Lowest Quarterly Return, Date

rr_BarChartLowestQuarterlyReturnDate

Dec. 31, 2008

Lowest Quarterly Return

rr_BarChartLowestQuarterlyReturn

(14.56%)

Label

rr_AverageAnnualReturnLabel

Series N

1 Year

rr_AverageAnnualReturnYear01

8.01%

5 Years

rr_AverageAnnualReturnYear05

8.37%

10 Years

rr_AverageAnnualReturnYear10

4.90%

SERIES O (ALL CAP VALUE SERIES)

Prospectus:

rr_ProspectusTable

Risk/Return [Heading]

rr_RiskReturnHeading

Series O (All Cap Value Series)

Objective [Heading]

rr_ObjectiveHeading

INVESTMENT OBJECTIVE

Objective, Primary [Text Block]

rr_ObjectivePrimaryTextBlock

Series O seeks long-term growth of capital.

Expense [Heading]

rr_ExpenseHeading

FEES AND EXPENSES OF THE SERIES

Expense Narrative [Text Block]

rr_ExpenseNarrativeTextBlock

Operating Expenses Caption [Text]

rr_OperatingExpensesCaption

ANNUAL 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

Expense Example [Heading]

rr_ExpenseExampleHeading

EXAMPLE

Expense Example Narrative [Text Block]

rr_ExpenseExampleNarrativeTextBlock

Expense Example by, Year, Caption [Text]

rr_ExpenseExampleByYearCaption

Expense Example Closing [Text Block]

rr_ExpenseExampleClosingTextBlock

The above Example reflects applicable contractual fee waiver/expense reimbursement arrangements for the current duration of the arrangements only.

Strategy [Heading]

rr_StrategyHeading

PRINCIPAL INVESTMENT STRATEGIES

Strategy Narrative [Text Block]

rr_StrategyNarrativeTextBlock

Series O pursues its objective by investing, under normal circumstances, at least 80% of its assets (net assets, plus the amount of any borrowings for investment purposes) in common stocks that, when purchased, have market capitalizations that are usually within the range of companies in the Russell 3000 Value Index, which includes companies with micro to large capitalizations. The Russell 3000 Value Index measures the performance of the broad value segment of the U.S. equity value universe. It includes those Russell 3000 companies with lower price-to-book ratios and lower forecasted growth values. As of March 31, 2017, the Russell 3000 Value Index consisted of securities of companies with market capitalizations that ranged from $30 million to $755 billion.

The Series’ investments include common stocks and may also include rights, warrants, American Depositary Receipts (“ADRs”), preferred stocks, derivatives, including futures and options, convertible debt, and convertible securities of U.S issuers.

Although the Series primarily invests in securities issued by domestic companies, there is no limit in the amount that the Series may invest in securities issued by foreign companies.

In choosing securities, Security Investors, LLC, also known as Guggenheim Investments (the “Investment Manager”), primarily invests in value-oriented companies. Value-oriented companies are companies that appear to be undervalued relative to assets, earnings, growth potential or cash flows. The Investment Manager uses a blend of quantitative and fundamental analysis to identify securities that appear favorably priced and have the potential to appreciate in value. The Investment Manager regularly evaluates the metrics and data underlying the quantitative model and, from time to time, may make adjustments for a variety of reasons, including, without limitation, to account for changing market, financial or economic conditions.

The Series may invest in a variety of investment vehicles, including those that seek to track the composition and performance of a specific index, such as exchange-traded funds (“ETFs”) and other mutual funds. The Series may use these investments as a way of managing its cash position, or to gain exposure to the equity markets or a particular sector of the equity markets. These investments may be more liquid than investing directly in individual issuers. Certain investment vehicles’ securities and other securities in which the Series may invest are restricted securities (consisting of securities originally issued in reliance on Rule 144A and Regulation S securities), which may be illiquid.

The Series typically sells a security when its issuer is no longer considered a value company, shows deteriorating fundamentals or falls short of the Investment Manager's expectations, among other reasons.

The Fund may invest in a limited number of industries or industry sectors, including the technology and financial sectors.

Risk [Heading]

rr_RiskHeading

PRINCIPAL RISKS

Risk Narrative [Text Block]

rr_RiskNarrativeTextBlock

Financial Sector Risk—The financial sector can be significantly affected by changes in interest rates, government regulation, the rate of defaults on corporate, consumer and government debt, the availability and cost of capital, and the impact of more stringent capital requirements. The Series may be adversely affected by events or developments negatively impacting the financial sector or issuers within the financial sector.

Leverage Risk—The Series’ use of leverage, through borrowings or instruments such as derivatives, may cause the Series to be more volatile and riskier than if it had not been leveraged.

Value Stocks Risk—Value stocks are subject to the risk that the intrinsic value of the stock may never be realized by the market or that the price goes down.

Risk Lose Money [Text]

rr_RiskLoseMoney

The value of an investment in the Series will fluctuate and is subject to investment risks, which means investors could lose money.

Bar Chart and Performance Table [Heading]

rr_BarChartAndPerformanceTableHeading

PERFORMANCE INFORMATION

Performance Narrative [Text Block]

rr_PerformanceNarrativeTextBlock

Performance Information Illustrates Variability of Returns [Text]

rr_PerformanceInformationIllustratesVariabilityOfReturns

Performance Past Does Not Indicate Future [Text]

rr_PerformancePastDoesNotIndicateFuture

As with all mutual funds, past performance is not necessarily an indication of how the Series will perform in the future.

Bar Chart Closing [Text Block]

rr_BarChartClosingTextBlock



Highest Quarter Return		Lowest Quarter Return
Q2 2009	22.34%	Q4 2008	-24.46	%

Performance Table Heading

rr_PerformanceTableHeading

AVERAGE ANNUAL TOTAL RETURNS (For the periods ended December 31, 2016)

SERIES O (ALL CAP VALUE SERIES) | Russell 3000 Value Index

Prospectus:

rr_ProspectusTable

Index No Deduction for Fees, Expenses, Taxes [Text]

rr_IndexNoDeductionForFeesExpensesTaxes

(reflects no deductions for fees, expenses, or taxes)

Label

rr_AverageAnnualReturnLabel

Russell 3000 Value Index (reflects no deductions for fees, expenses, or taxes)

1 Year

rr_AverageAnnualReturnYear01

18.40%

5 Years

rr_AverageAnnualReturnYear05

14.81%

10 Years

rr_AverageAnnualReturnYear10

5.76%

SERIES O (ALL CAP VALUE SERIES) | A Class

Prospectus:

rr_ProspectusTable

Management Fees (as a percentage of Assets)

rr_ManagementFeesOverAssets

0.70%

Distribution and Service (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

0.25%

Component1 Other Expenses

rr_Component1OtherExpensesOverAssets

0.02%

Component2 Other Expenses

rr_Component2OtherExpensesOverAssets

0.18%

Other Expenses (as a percentage of Assets):

rr_OtherExpensesOverAssets

0.20%

Expenses (as a percentage of Assets)

rr_ExpensesOverAssets

1.15%

Fee Waiver or Reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.25%)

^[20]

Net Expenses (as a percentage of Assets)

rr_NetExpensesOverAssets

0.90%

^[21]

Fee Waiver or Reimbursement over Assets, Date of Termination

rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination

May 1, 2022

Portfolio Turnover, Rate

rr_PortfolioTurnoverRate

47.00%

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

$ 92

Expense Example, with Redemption, 3 Years

rr_ExpenseExampleYear03

287

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

498

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

$ 1,272

Annual Return 2007

rr_AnnualReturn2007

2.82%

Annual Return 2008

rr_AnnualReturn2008

(38.43%)

Annual Return 2009

rr_AnnualReturn2009

33.01%

Annual Return 2010

rr_AnnualReturn2010

16.61%

Annual Return 2011

rr_AnnualReturn2011

(4.35%)

Annual Return 2012

rr_AnnualReturn2012

15.50%

Annual Return 2013

rr_AnnualReturn2013

33.21%

Annual Return 2014

rr_AnnualReturn2014

7.61%

Annual Return 2015

rr_AnnualReturn2015

(4.70%)

Annual Return 2016

rr_AnnualReturn2016

22.71%

Highest Quarterly Return, Label

rr_HighestQuarterlyReturnLabel

Highest Quarter Return

Highest Quarterly Return, Date

rr_BarChartHighestQuarterlyReturnDate

Jun. 30, 2009

Highest Quarterly Return

rr_BarChartHighestQuarterlyReturn

22.34%

Lowest Quarterly Return, Label

rr_LowestQuarterlyReturnLabel

Lowest Quarter Return

Lowest Quarterly Return, Date

rr_BarChartLowestQuarterlyReturnDate

Dec. 31, 2008

Lowest Quarterly Return

rr_BarChartLowestQuarterlyReturn

(24.46%)

Label

rr_AverageAnnualReturnLabel

Series O

1 Year

rr_AverageAnnualReturnYear01

22.71%

5 Years

rr_AverageAnnualReturnYear05

14.13%

10 Years

rr_AverageAnnualReturnYear10

6.16%

SERIES P (HIGH YIELD SERIES)

Prospectus:

rr_ProspectusTable

Risk/Return [Heading]

rr_RiskReturnHeading

Series P (High Yield Series)

Objective [Heading]

rr_ObjectiveHeading

INVESTMENT OBJECTIVE

Objective, Primary [Text Block]

rr_ObjectivePrimaryTextBlock

Series P seeks high current income.

Objective, Secondary [Text Block]

rr_ObjectiveSecondaryTextBlock

Capital appreciation is a secondary objective.

Expense [Heading]

rr_ExpenseHeading

FEES AND EXPENSES OF THE SERIES

Expense Narrative [Text Block]

rr_ExpenseNarrativeTextBlock

Operating Expenses Caption [Text]

rr_OperatingExpensesCaption

ANNUAL 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

Portfolio Turnover, Rate

rr_PortfolioTurnoverRate

84.00%

Expense Example [Heading]

rr_ExpenseExampleHeading

EXAMPLE

Expense Example Narrative [Text Block]

rr_ExpenseExampleNarrativeTextBlock

Expense Example by, Year, Caption [Text]

rr_ExpenseExampleByYearCaption

Expense Example Closing [Text Block]

rr_ExpenseExampleClosingTextBlock

The above Example reflects applicable contractual fee waiver/expense reimbursement arrangements for the current duration of the arrangements only.

Strategy [Heading]

rr_StrategyHeading

PRINCIPAL INVESTMENT STRATEGIES

Strategy Narrative [Text Block]

rr_StrategyNarrativeTextBlock

The Series pursues its objective by investing at least 80% of its assets (net assets, plus the amount of any borrowings for investment purposes), under normal circumstances, in 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 Security Investors, LLC, also known as Guggenheim Investments (the “Investment Manager”), to be of comparable quality (also known as “junk bonds”). If nationally recognized statistical rating organizations assign different ratings to the same security, the Series will use the higher rating for purposes of determining the security’s credit quality. These debt securities may include, without limitation: corporate bonds and notes, convertible securities, mortgage-backed and other asset-backed securities (including collateralized debt obligations), participations in and assignments of loans (such as senior floating rate loans, syndicated bank loans, secured or unsecured loans, bridge loans and other loans), floating rate revolving credit facilities (“revolvers”), debtor-in-possession loans (“DIPs”) and other loans, and sovereign debt securities and Eurodollar bonds and obligations. These securities may pay fixed or variable rates of interest. These securities also may be restricted securities, including Rule 144A securities that are eligible for resale to qualified institutional buyers. The Series also may invest in a variety of investment vehicles, principally, closed-end funds, exchange-traded funds (“ETFs”) and other mutual funds. The Series may invest up to 10% of its net assets in securities that are in default at the time of purchase. The debt securities in which the Series invests will primarily be domestic securities, but may also include foreign securities. Such securities may be denominated in foreign currencies. The Series may also invest in preferred securities.

The Investment Manager uses a process for selecting securities for purchase and sale that is based on intensive credit research and involves extensive due diligence on each issuer, region and sector. The Investment Manager also considers macroeconomic outlook and geopolitical issues.

The Investment Manager may determine to sell a security for several reasons including the following: (1) to adjust the portfolio’s average maturity, or to shift assets into or out of higher-yielding securities; (2) if a security’s credit rating has been changed or for other credit reasons; (3) to meet redemption requests; (4) to take gains; or (5) due to relative value. Under adverse or unstable market conditions or abnormal circumstances (for example, in the event of credit events, where it is deemed opportune to preserve gains, or to preserve the relative value of investments or in the case of large cash inflows or anticipated large redemptions), the Series can make temporary investments and may not be able to pursue or achieve its investment objective.

Risk [Heading]

rr_RiskHeading

PRINCIPAL RISKS

Risk Narrative [Text Block]

rr_RiskNarrativeTextBlock

Investment in Investment Vehicles Risk—Investing in other investment vehicles, including ETFs, closed-end funds, and other mutual funds, subjects the Series to those risks affecting the investment vehicle, including the possibility that the value of the underlying securities held by the investment vehicle could decrease or the portfolio becomes illiquid. Moreover, the Series and its shareholders will incur its pro rata share of the underlying vehicles’ expenses, which will reduce the Series' performance. In addition, investments in an ETF are subject to, among other risks, the risk that the ETF's shares may trade at a discount or premium relative to the net asset value of the shares and the listing exchange may halt trading of the ETF's shares.

Investments in Loans Risk—Investments in loans, including loan syndicates and other direct lending opportunities, 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. The Series’ investments in loans can also be difficult to value accurately and may be more susceptible to liquidity risk than fixed-income instruments of similar credit quality and/or maturity. The Series is also subject to the risk that the value of the collateral for the loan may be insufficient to cover the borrower’s obligations should the borrower fail to make payments or become insolvent. Participations in loans may subject the Series to the credit risk of both the borrower and the issuer of the participation and may make enforcement of loan covenants more difficult for the Series as legal action may have to go through the issuer of the participations. Transactions in loans are often subject to long settlement periods, thus potentially limiting the ability of the Series to invest sale proceeds in other investments and to use proceeds to meet its current redemption obligations.

Leverage Risk—The Series’ use of leverage, through borrowings or instruments such as derivatives, may cause the Series to be more volatile and riskier than if it had not been leveraged.

When Issued, Forward Commitment and Delayed-Delivery Transactions Risk—When-issued, forward-commitment and delayed-delivery transactions involve a commitment to purchase or sell specific securities at a predetermined price or yield in which payment and delivery take place after the customary settlement period for that type of security. When purchasing securities pursuant to one of these transactions, payment for the securities is not required until the delivery date. However, the purchaser assumes the rights and risks of ownership, including the risks of price and yield fluctuations and the risk that the security will not be issued as anticipated.

Risk Lose Money [Text]

rr_RiskLoseMoney

The value of an investment in the Series will fluctuate and is subject to investment risks, which means investors could lose money.

Bar Chart and Performance Table [Heading]

rr_BarChartAndPerformanceTableHeading

PERFORMANCE INFORMATION

Performance Narrative [Text Block]

rr_PerformanceNarrativeTextBlock

Effective January 28, 2013, certain changes were made to the Series’ principal investment strategies. Performance information prior to that date reflects the Series' prior principal investment strategies.

Performance Information Illustrates Variability of Returns [Text]

rr_PerformanceInformationIllustratesVariabilityOfReturns

Performance Past Does Not Indicate Future [Text]

rr_PerformancePastDoesNotIndicateFuture

As with all mutual funds, past performance is not necessarily an indication of how the Series will perform in the future.

Bar Chart Closing [Text Block]

rr_BarChartClosingTextBlock



Highest Quarter Return		Lowest Quarter Return
Q2 2009	32.77%	Q4 2008	-20.44	%

Performance Table Heading

rr_PerformanceTableHeading

AVERAGE ANNUAL TOTAL RETURNS (For the periods ended December 31, 2016)

SERIES P (HIGH YIELD SERIES) | Bloomberg Barclays U.S. Corporate High Yield Index

Prospectus:

rr_ProspectusTable

Index No Deduction for Fees, Expenses, Taxes [Text]

rr_IndexNoDeductionForFeesExpensesTaxes

(reflects no deductions for fees, expenses, or taxes)

Label

rr_AverageAnnualReturnLabel

Bloomberg Barclays U.S. Corporate High Yield Index (reflects no deductions for fees, expenses, or taxes)

1 Year

rr_AverageAnnualReturnYear01

17.13%

5 Years

rr_AverageAnnualReturnYear05

7.36%

10 Years

rr_AverageAnnualReturnYear10

7.45%

SERIES P (HIGH YIELD SERIES) | A Class

Prospectus:

rr_ProspectusTable

Management Fees (as a percentage of Assets)

rr_ManagementFeesOverAssets

0.60%

Distribution and Service (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

0.25%

Component1 Other Expenses

rr_Component1OtherExpensesOverAssets

0.06%

Component2 Other Expenses

rr_Component2OtherExpensesOverAssets

0.26%

Other Expenses (as a percentage of Assets):

rr_OtherExpensesOverAssets

0.32%

Expenses (as a percentage of Assets)

rr_ExpensesOverAssets

1.17%

Fee Waiver or Reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.04%)

^[22],[23]

Net Expenses (as a percentage of Assets)

rr_NetExpensesOverAssets

1.13%

Fee Waiver or Reimbursement over Assets, Date of Termination

rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination

May 1, 2019

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

$ 115

Expense Example, with Redemption, 3 Years

rr_ExpenseExampleYear03

363

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

635

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

$ 1,413

Annual Return 2007

rr_AnnualReturn2007

2.08%

Annual Return 2008

rr_AnnualReturn2008

(29.98%)

Annual Return 2009

rr_AnnualReturn2009

72.75%

Annual Return 2010

rr_AnnualReturn2010

15.43%

Annual Return 2011

rr_AnnualReturn2011

(0.04%)

Annual Return 2012

rr_AnnualReturn2012

14.87%

Annual Return 2013

rr_AnnualReturn2013

7.38%

Annual Return 2014

rr_AnnualReturn2014

2.51%

Annual Return 2015

rr_AnnualReturn2015

(3.95%)

Annual Return 2016

rr_AnnualReturn2016

17.52%

Highest Quarterly Return, Label

rr_HighestQuarterlyReturnLabel

Highest Quarter Return

Highest Quarterly Return, Date

rr_BarChartHighestQuarterlyReturnDate

Jun. 30, 2009

Highest Quarterly Return

rr_BarChartHighestQuarterlyReturn

32.77%

Lowest Quarterly Return, Label

rr_LowestQuarterlyReturnLabel

Lowest Quarter Return

Lowest Quarterly Return, Date

rr_BarChartLowestQuarterlyReturnDate

Dec. 31, 2008

Lowest Quarterly Return

rr_BarChartLowestQuarterlyReturn

(20.44%)

Label

rr_AverageAnnualReturnLabel

Series P

1 Year

rr_AverageAnnualReturnYear01

17.52%

5 Years

rr_AverageAnnualReturnYear05

7.37%

10 Years

rr_AverageAnnualReturnYear10

7.36%

SERIES Q (SMALL CAP VALUE SERIES)

Prospectus:

rr_ProspectusTable

Risk/Return [Heading]

rr_RiskReturnHeading

Series Q (Small Cap Value Series)

Objective [Heading]

rr_ObjectiveHeading

INVESTMENT OBJECTIVE

Objective, Primary [Text Block]

rr_ObjectivePrimaryTextBlock

Series Q seeks long-term capital appreciation.

Expense [Heading]

rr_ExpenseHeading

FEES AND EXPENSES OF THE SERIES

Expense Narrative [Text Block]

rr_ExpenseNarrativeTextBlock

Operating Expenses Caption [Text]

rr_OperatingExpensesCaption

ANNUAL 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

Expense Example [Heading]

rr_ExpenseExampleHeading

EXAMPLE

Expense Example Narrative [Text Block]

rr_ExpenseExampleNarrativeTextBlock

Expense Example by, Year, Caption [Text]

rr_ExpenseExampleByYearCaption

Expense Example Closing [Text Block]

rr_ExpenseExampleClosingTextBlock

The above Example reflects applicable contractual fee waiver/expense reimbursement arrangements for the current duration of the arrangements only.

Strategy [Heading]

rr_StrategyHeading

PRINCIPAL INVESTMENT STRATEGIES

Strategy Narrative [Text Block]

rr_StrategyNarrativeTextBlock

Series Q pursues its objective by investing, under normal circumstances, at least 80% of its assets (net assets, plus the amount of any borrowings for investment purposes) in a diversified portfolio of equity securities, which include common stocks, rights, options, warrants, convertible debt securities, and American Depositary Receipts (“ADRs”), that, when purchased, have market capitalizations that are usually within the range of companies in the Russell 2000 Value Index. Although a universal definition of small-capitalization companies does not exist, the Series generally defines small-capitalization companies as those whose market capitalization is similar to the market capitalization of companies in the Russell 2000 Value Index, which is an unmanaged index measuring the performance of the small cap value segment of the U.S. equity universe and which includes companies with lower price-to-book ratios and lower forecasted growth values. As of March 31, 2017, the Russell 2000 Value Index consisted of securities of companies with market capitalizations that ranged from $30 million to $16 billion.

The Series may invest a portion of its assets in derivatives, including options and futures contracts. These instruments are used to hedge the Series' portfolio, to maintain exposure to the equity markets or to increase returns.

The Series may invest in a variety of investment vehicles, including those that seek to track the composition and performance of a specific index, such as exchange-traded funds (“ETFs”) and other mutual funds. The Series may use these investments as a way of managing its cash position or to gain exposure to the equity markets or a particular sector of the equity markets. These investments may be more liquid than investing directly in individual issuers. Certain investment vehicles’ securities and other securities in which the Series may invest are restricted securities (consisting of securities originally issued in reliance on Rule 144A and Regulation S securities), which may be illiquid.

The Series may actively trade its investments without regard to the length of time they have been owned by the Fund, which may result in higher portfolio turnover.

The Series may invest in a limited number of industries or industry sectors, including the technology and financial sectors.

Risk [Heading]

rr_RiskHeading

PRINCIPAL RISKS

Risk Narrative [Text Block]

rr_RiskNarrativeTextBlock

Leverage Risk—The Series’ use of leverage, through borrowings or instruments such as derivatives, may cause the Series to be more volatile and riskier than if it had not been leveraged.

Value Stocks Risk—Value stocks are subject to the risk that the intrinsic value of the stock may never be realized by the market or that the price goes down.

Risk Lose Money [Text]

rr_RiskLoseMoney

The value of an investment in the Series will fluctuate and is subject to investment risks, which means investors could lose money.

Bar Chart and Performance Table [Heading]

rr_BarChartAndPerformanceTableHeading

PERFORMANCE INFORMATION

Performance Narrative [Text Block]

rr_PerformanceNarrativeTextBlock

Performance Information Illustrates Variability of Returns [Text]

rr_PerformanceInformationIllustratesVariabilityOfReturns

Performance Past Does Not Indicate Future [Text]

rr_PerformancePastDoesNotIndicateFuture

As with all mutual funds, past performance is not necessarily an indication of how the Series will perform in the future.

Bar Chart Closing [Text Block]

rr_BarChartClosingTextBlock



Highest Quarter Return		Lowest Quarter Return
Q2 2009	33.54%	Q4 2008	-25.19	%

Performance Table Heading

rr_PerformanceTableHeading

AVERAGE ANNUAL TOTAL RETURNS (For the periods ended December 31, 2016)

SERIES Q (SMALL CAP VALUE SERIES) | Russell 2000 Value Index

Prospectus:

rr_ProspectusTable

Index No Deduction for Fees, Expenses, Taxes [Text]

rr_IndexNoDeductionForFeesExpensesTaxes

(reflects no deductions for fees, expenses, or taxes)

Label

rr_AverageAnnualReturnLabel

Russell 2000 Value Index (reflects no deductions for fees, expenses, or taxes)

1 Year

rr_AverageAnnualReturnYear01

31.74%

5 Years

rr_AverageAnnualReturnYear05

15.07%

10 Years

rr_AverageAnnualReturnYear10

6.26%

SERIES Q (SMALL CAP VALUE SERIES) | A Class

Prospectus:

rr_ProspectusTable

Management Fees (as a percentage of Assets)

rr_ManagementFeesOverAssets

0.75%

^[24]

Distribution and Service (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

0.25%

Component1 Other Expenses

rr_Component1OtherExpensesOverAssets

0.02%

Component2 Other Expenses

rr_Component2OtherExpensesOverAssets

0.19%

Other Expenses (as a percentage of Assets):

rr_OtherExpensesOverAssets

0.21%

Expenses (as a percentage of Assets)

rr_ExpensesOverAssets

1.21%

Fee Waiver or Reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.05%)

^[25]

Net Expenses (as a percentage of Assets)

rr_NetExpensesOverAssets

1.16%

^[26]

Fee Waiver or Reimbursement over Assets, Date of Termination

rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination

May 1, 2022

Portfolio Turnover, Rate

rr_PortfolioTurnoverRate

68.00%

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

$ 118

Expense Example, with Redemption, 3 Years

rr_ExpenseExampleYear03

368

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

638

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

$ 1,441

Annual Return 2007

rr_AnnualReturn2007

10.25%

Annual Return 2008

rr_AnnualReturn2008

(38.58%)

Annual Return 2009

rr_AnnualReturn2009

55.93%

Annual Return 2010

rr_AnnualReturn2010

21.88%

Annual Return 2011

rr_AnnualReturn2011

(4.61%)

Annual Return 2012

rr_AnnualReturn2012

19.51%

Annual Return 2013

rr_AnnualReturn2013

36.79%

Annual Return 2014

rr_AnnualReturn2014

(1.38%)

Annual Return 2015

rr_AnnualReturn2015

(6.62%)

Annual Return 2016

rr_AnnualReturn2016

26.60%

Highest Quarterly Return, Label

rr_HighestQuarterlyReturnLabel

Highest Quarter Return

Highest Quarterly Return, Date

rr_BarChartHighestQuarterlyReturnDate

Jun. 30, 2009

Highest Quarterly Return

rr_BarChartHighestQuarterlyReturn

33.54%

Lowest Quarterly Return, Label

rr_LowestQuarterlyReturnLabel

Lowest Quarter Return

Lowest Quarterly Return, Date

rr_BarChartLowestQuarterlyReturnDate

Dec. 31, 2008

Lowest Quarterly Return

rr_BarChartLowestQuarterlyReturn

(25.19%)

Label

rr_AverageAnnualReturnLabel

Series Q

1 Year

rr_AverageAnnualReturnYear01

26.60%

5 Years

rr_AverageAnnualReturnYear05

13.77%

10 Years

rr_AverageAnnualReturnYear10

8.87%

SERIES V (MID CAP VALUE SERIES)

Prospectus:

rr_ProspectusTable

Risk/Return [Heading]

rr_RiskReturnHeading

Series V (Mid Cap Value Series)

Objective [Heading]

rr_ObjectiveHeading

INVESTMENT OBJECTIVE

Objective, Primary [Text Block]

rr_ObjectivePrimaryTextBlock

Series V seeks long-term growth of capital.

Expense [Heading]

rr_ExpenseHeading

FEES AND EXPENSES OF THE SERIES

Expense Narrative [Text Block]

rr_ExpenseNarrativeTextBlock

Operating Expenses Caption [Text]

rr_OperatingExpensesCaption

ANNUAL 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

Portfolio Turnover, Rate

rr_PortfolioTurnoverRate

60.00%

Expense Example [Heading]

rr_ExpenseExampleHeading

EXAMPLE

Expense Example Narrative [Text Block]

rr_ExpenseExampleNarrativeTextBlock

Expense Example by, Year, Caption [Text]

rr_ExpenseExampleByYearCaption

Expense Example Closing [Text Block]

rr_ExpenseExampleClosingTextBlock

The above Example reflects applicable contractual fee waiver/expense reimbursement arrangements for the current duration of the arrangements only.

Strategy [Heading]

rr_StrategyHeading

PRINCIPAL INVESTMENT STRATEGIES

Strategy Narrative [Text Block]

rr_StrategyNarrativeTextBlock

Series V pursues its objective by investing, under normal circumstances, at least 80% of its assets (net assets, plus the amount of any borrowings for investment purposes) in a diversified portfolio of equity securities, which include common stocks, rights, options, warrants, convertible debt securities, and American Depositary Receipts (“ADRs”), that, when purchased, have market capitalizations that are usually within the range of companies in the Russell 2500 Value Index. Although a universal definition of mid-capitalization companies does not exist, the Series generally defines mid-capitalization companies as those whose market capitalization is similar to the market capitalization of companies in the Russell 2500 Value Index, which is an unmanaged index measuring the performance of securities of small-to-mid cap U.S. companies with greater-than-average value orientation. As of March 31, 2017, the Russell 2500 Value Index consisted of securities of companies with market capitalizations that ranged from $30 million to $24.2 billion.

The Series may invest in a variety of investment vehicles, including those that seek to track the composition and performance of a specific index, such as exchange-traded funds (“ETFs”) and other mutual funds. The Series may use these investments as a way of managing its cash position or to gain exposure to the equity markets or a particular sector of the equity markets. These investments may be more liquid than investing directly in individual issuers. Certain investment vehicles’ securities and other securities in which the Series may invest are restricted securities (consisting of securities originally issued in reliance on Rule 144A and Regulation S securities), which may be illiquid.

The Series may invest in a limited number of industries or industry sectors, including the technology and financial sectors.

Risk [Heading]

rr_RiskHeading

PRINCIPAL RISKS

Risk Narrative [Text Block]

rr_RiskNarrativeTextBlock

Leverage Risk—The Series’ use of leverage, through borrowings or instruments such as derivatives, may cause the Series to be more volatile and riskier than if it had not been leveraged.

Value Stocks Risk—Value stocks are subject to the risk that the intrinsic value of the stock may never be realized by the market or that the price goes down.

Risk Lose Money [Text]

rr_RiskLoseMoney

The value of an investment in the Series will fluctuate and is subject to investment risks, which means investors could lose money.

Bar Chart and Performance Table [Heading]

rr_BarChartAndPerformanceTableHeading

PERFORMANCE INFORMATION

Performance Narrative [Text Block]

rr_PerformanceNarrativeTextBlock

Performance Information Illustrates Variability of Returns [Text]

rr_PerformanceInformationIllustratesVariabilityOfReturns

Performance Past Does Not Indicate Future [Text]

rr_PerformancePastDoesNotIndicateFuture

As with all mutual funds, past performance is not necessarily an indication of how the Series will perform in the future.

Bar Chart Closing [Text Block]

rr_BarChartClosingTextBlock



Highest Quarter Return		Lowest Quarter Return
Q2 2009	25.74%	Q4 2008	-21.82	%

Performance Table Heading

rr_PerformanceTableHeading

AVERAGE ANNUAL TOTAL RETURNS (For the periods ended December 31, 2016)

SERIES V (MID CAP VALUE SERIES) | Russell 2500 Value Index

Prospectus:

rr_ProspectusTable

Index No Deduction for Fees, Expenses, Taxes [Text]

rr_IndexNoDeductionForFeesExpensesTaxes

(reflects no deductions for fees, expenses, or taxes)

Label

rr_AverageAnnualReturnLabel

Russell 2500 Value Index (reflects no deductions for fees, expenses, or taxes)

1 Year

rr_AverageAnnualReturnYear01

25.20%

5 Years

rr_AverageAnnualReturnYear05

15.04%

10 Years

rr_AverageAnnualReturnYear10

6.94%

SERIES V (MID CAP VALUE SERIES) | A Class

Prospectus:

rr_ProspectusTable

Management Fees (as a percentage of Assets)

rr_ManagementFeesOverAssets

0.75%

Distribution and Service (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

0.25%

Component1 Other Expenses

rr_Component1OtherExpensesOverAssets

0.02%

Component2 Other Expenses

rr_Component2OtherExpensesOverAssets

0.16%

Other Expenses (as a percentage of Assets):

rr_OtherExpensesOverAssets

0.18%

Expenses (as a percentage of Assets)

rr_ExpensesOverAssets

1.18%

Fee Waiver or Reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.25%)

^[27]

Net Expenses (as a percentage of Assets)

rr_NetExpensesOverAssets

0.93%

^[28]

Fee Waiver or Reimbursement over Assets, Date of Termination

rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination

May 1, 2022

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

$ 95

Expense Example, with Redemption, 3 Years

rr_ExpenseExampleYear03

296

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

515

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

$ 1,306

Annual Return 2007

rr_AnnualReturn2007

1.86%

Annual Return 2008

rr_AnnualReturn2008

(28.46%)

Annual Return 2009

rr_AnnualReturn2009

43.93%

Annual Return 2010

rr_AnnualReturn2010

17.80%

Annual Return 2011

rr_AnnualReturn2011

(7.49%)

Annual Return 2012

rr_AnnualReturn2012

17.12%

Annual Return 2013

rr_AnnualReturn2013

33.32%

Annual Return 2014

rr_AnnualReturn2014

0.91%

Annual Return 2015

rr_AnnualReturn2015

(6.79%)

Annual Return 2016

rr_AnnualReturn2016

26.75%

Highest Quarterly Return, Label

rr_HighestQuarterlyReturnLabel

Highest Quarter Return

Highest Quarterly Return, Date

rr_BarChartHighestQuarterlyReturnDate

Jun. 30, 2009

Highest Quarterly Return

rr_BarChartHighestQuarterlyReturn

25.74%

Lowest Quarterly Return, Label

rr_LowestQuarterlyReturnLabel

Lowest Quarter Return

Lowest Quarterly Return, Date

rr_BarChartLowestQuarterlyReturnDate

Dec. 31, 2008

Lowest Quarterly Return

rr_BarChartLowestQuarterlyReturn

(21.82%)

Label

rr_AverageAnnualReturnLabel

Series V

1 Year

rr_AverageAnnualReturnYear01

26.75%

5 Years

rr_AverageAnnualReturnYear05

13.23%

10 Years

rr_AverageAnnualReturnYear10

7.84%

SERIES X (STYLEPLUS - SMALL GROWTH SERIES)

Prospectus:

rr_ProspectusTable

Risk/Return [Heading]

rr_RiskReturnHeading

Series X (StylePlus—Small Growth Series)

Objective [Heading]

rr_ObjectiveHeading

INVESTMENT OBJECTIVE

Objective, Primary [Text Block]

rr_ObjectivePrimaryTextBlock

Series X seeks long-term growth of capital.

Expense [Heading]

rr_ExpenseHeading

FEES AND EXPENSES OF THE SERIES

Expense Narrative [Text Block]

rr_ExpenseNarrativeTextBlock

Operating Expenses Caption [Text]

rr_OperatingExpensesCaption

ANNUAL 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

Portfolio Turnover, Rate

rr_PortfolioTurnoverRate

76.00%

Expense Example [Heading]

rr_ExpenseExampleHeading

EXAMPLE

Expense Example Narrative [Text Block]

rr_ExpenseExampleNarrativeTextBlock

Expense Example by, Year, Caption [Text]

rr_ExpenseExampleByYearCaption

Expense Example Closing [Text Block]

rr_ExpenseExampleClosingTextBlock

The above Example reflects applicable contractual fee waiver/expense reimbursement arrangements for the current duration of the arrangements only.

Strategy [Heading]

rr_StrategyHeading

PRINCIPAL INVESTMENT STRATEGIES

Strategy Narrative [Text Block]

rr_StrategyNarrativeTextBlock

Series X seeks to exceed the total return of the Russell 2000 Growth Index (the “Index”). The Series pursues its objective by investing, under normal circumstances, at least 80% of its assets (net assets, plus the amount of any borrowings for investment purposes) in: (i) equity securities issued by companies that have market capitalizations within the range of companies in the Index; (ii) investment vehicles that provide exposure to companies that have market capitalizations within the range of companies in the Index; and (iii) equity derivatives that, when purchased, provide exposure to (i.e., economic characteristics similar to) equity securities of companies with market capitalizations usually within the range of companies in the Index and equity derivatives based on small-capitalization indices, including small-capitalization growth indices deemed appropriate by Security Investors, LLC, also known as Guggenheim Investments (the “Investment Manager”). The Series will usually also invest in fixed-income securities and cash investments to collateralize derivatives positions and to increase investment return. As of March 31, 2017, the Index consisted of securities of companies with market capitalizations that ranged from $9 million to $16 billion.

Equity securities in which the Series may invest include common stocks, rights and warrants, and American Depositary Receipts (“ADRs”). Derivatives in which the Series may invest include options, futures contracts, swap agreements (including, but not limited to, total return swap agreements), and forward contracts (some of these instruments may be traded in the over-the-counter market). Fixed income securities and other securities in which the Series may invest include debt securities selected from a variety of sectors and credit qualities (principally, investment grade), principally, corporate bonds, participations in and assignments of syndicated bank loans, asset-backed securities (including mortgage-backed securities, collateralized debt obligations ("CDOs"), collateralized loan obligations ("CLOs") and other structured finance investments), U.S. government and agency securities (including those not backed by the full faith and credit of the U.S. government), mezzanine and preferred securities, commercial paper, zero-coupon bonds, non-registered or restricted securities (consisting of securities originally issued in reliance on Rule 144A and Regulation S), step-up securities (such as step-up bonds) and convertible securities that Guggenheim Investments believes offer attractive yield and/or capital appreciation potential. The Series may invest in securities listed, traded or dealt in other countries. The Series may hold securities of any duration or maturity. Fixed-income securities in which the Series may invest may pay fixed or variable rates of interest. The Series may invest in a variety of investment vehicles, principally closed-end funds, exchange-traded funds (“ETFs”) and other mutual funds.

The Series invests a substantial portion of its assets in investment companies advised by the Investment Manager, or an affiliate of the Investment Manager, that invest in short-term fixed-income or floating rate securities. These funds are designed primarily to provide an alternative to investing directly in various short-term fixed-income or floating rate securities. The Series invests in these investment companies for various portfolio management purposes, including for cash management and liquidity management purposes and to seek to obtain exposure with a higher level of return on investments used to collateralize derivatives positions and achieve greater diversification and trading efficiency than would usually be experienced by investing directly and separately in fixed-income or floating rate securities. Investments by the Series in these investment companies significantly increase the Series' exposure to the following asset categories: (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 (also known as “junk bonds”) or, if unrated, determined by the Investment Manager, to be of comparable quality; (ii) CLOs, other asset-backed securities and similarly structured debt investments; and (iii) other short-term fixed or floating rate debt securities. Such investments expose the Series to the risks of these asset categories and decreases in the value of these investments may cause the Series to deviate from its investment objective.

Risk [Heading]

rr_RiskHeading

PRINCIPAL RISKS

Risk Narrative [Text Block]

rr_RiskNarrativeTextBlock

Leverage Risk—The Series’ use of leverage, through borrowings or instruments such as derivatives, may cause the Series to be more volatile and riskier than if it had not been leveraged.

Risk Lose Money [Text]

rr_RiskLoseMoney

The value of an investment in the Series will fluctuate and is subject to investment risks, which means investors could lose money.

Bar Chart and Performance Table [Heading]

rr_BarChartAndPerformanceTableHeading

PERFORMANCE INFORMATION

Performance Narrative [Text Block]

rr_PerformanceNarrativeTextBlock

Performance Information Illustrates Variability of Returns [Text]

rr_PerformanceInformationIllustratesVariabilityOfReturns

Performance Past Does Not Indicate Future [Text]

rr_PerformancePastDoesNotIndicateFuture

As with all mutual funds, past performance is not necessarily an indication of how the Series will perform in the future.

Bar Chart Closing [Text Block]

rr_BarChartClosingTextBlock



Highest Quarter Return		Lowest Quarter Return
Q3 2009	19.22%	Q4 2008	-25.31	%

Performance Table Heading

rr_PerformanceTableHeading

AVERAGE ANNUAL TOTAL RETURNS (For the periods ended December 31, 2016)

SERIES X (STYLEPLUS - SMALL GROWTH SERIES) | Russell 2000 Growth Index

Prospectus:

rr_ProspectusTable

Index No Deduction for Fees, Expenses, Taxes [Text]

rr_IndexNoDeductionForFeesExpensesTaxes

(reflects no deductions for fees, expenses, or taxes)

Label

rr_AverageAnnualReturnLabel

Russell 2000 Growth Index (reflects no deductions for fees, expenses, or taxes)

1 Year

rr_AverageAnnualReturnYear01

11.32%

5 Years

rr_AverageAnnualReturnYear05

13.47%

10 Years

rr_AverageAnnualReturnYear10

7.76%

SERIES X (STYLEPLUS - SMALL GROWTH SERIES) | A Class

Prospectus:

rr_ProspectusTable

Management Fees (as a percentage of Assets)

rr_ManagementFeesOverAssets

0.75%

^[29]

Distribution and Service (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

0.25%

Component1 Other Expenses

rr_Component1OtherExpensesOverAssets

0.02%

Component2 Other Expenses

rr_Component2OtherExpensesOverAssets

0.36%

Other Expenses (as a percentage of Assets):

rr_OtherExpensesOverAssets

0.38%

Acquired Fund Fees and Expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.09%

Expenses (as a percentage of Assets)

rr_ExpensesOverAssets

1.47%

^[30]

Fee Waiver or Reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.30%)

^[31]

Net Expenses (as a percentage of Assets)

rr_NetExpensesOverAssets

1.17%

^[32]

Fee Waiver or Reimbursement over Assets, Date of Termination

rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination

May 1, 2022

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

$ 119

Expense Example, with Redemption, 3 Years

rr_ExpenseExampleYear03

372

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

644

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

$ 1,612

Annual Return 2007

rr_AnnualReturn2007

5.60%

Annual Return 2008

rr_AnnualReturn2008

(47.22%)

Annual Return 2009

rr_AnnualReturn2009

35.20%

Annual Return 2010

rr_AnnualReturn2010

30.10%

Annual Return 2011

rr_AnnualReturn2011

(1.96%)

Annual Return 2012

rr_AnnualReturn2012

11.56%

Annual Return 2013

rr_AnnualReturn2013

41.34%

Annual Return 2014

rr_AnnualReturn2014

8.80%

Annual Return 2015

rr_AnnualReturn2015

(1.29%)

Annual Return 2016

rr_AnnualReturn2016

13.45%

Highest Quarterly Return, Label

rr_HighestQuarterlyReturnLabel

Highest Quarter Return

Highest Quarterly Return, Date

rr_BarChartHighestQuarterlyReturnDate

Sep. 30, 2009

Highest Quarterly Return

rr_BarChartHighestQuarterlyReturn

19.22%

Lowest Quarterly Return, Label

rr_LowestQuarterlyReturnLabel

Lowest Quarter Return

Lowest Quarterly Return, Date

rr_BarChartLowestQuarterlyReturnDate

Dec. 31, 2008

Lowest Quarterly Return

rr_BarChartLowestQuarterlyReturn

(25.31%)

Label

rr_AverageAnnualReturnLabel

Series X

1 Year

rr_AverageAnnualReturnYear01

13.45%

5 Years

rr_AverageAnnualReturnYear05

13.95%

10 Years

rr_AverageAnnualReturnYear10

6.32%

SERIES Y (STYLEPLUS - LARGE GROWTH SERIES)

Prospectus:

rr_ProspectusTable

Risk/Return [Heading]

rr_RiskReturnHeading

Series Y (StylePlus—Large Growth Series)

Objective [Heading]

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INVESTMENT OBJECTIVE

Objective, Primary [Text Block]

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Series Y seeks long-term growth of capital.

Expense [Heading]

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FEES AND EXPENSES OF THE SERIES

Expense Narrative [Text Block]

rr_ExpenseNarrativeTextBlock

Operating Expenses Caption [Text]

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ANNUAL OPERATING EXPENSES (expenses that you pay each year as a percentage of the value of your investment)

Portfolio Turnover [Heading]

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PORTFOLIO TURNOVER

Portfolio Turnover [Text Block]

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Portfolio Turnover, Rate

rr_PortfolioTurnoverRate

42.00%

Expense Example [Heading]

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EXAMPLE

Expense Example Narrative [Text Block]

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Expense Example by, Year, Caption [Text]

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Expense Example Closing [Text Block]

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The above Example reflects applicable contractual fee waiver/expense reimbursement arrangements for the current duration of the arrangements only.

Strategy [Heading]

rr_StrategyHeading

PRINCIPAL INVESTMENT STRATEGIES

Strategy Narrative [Text Block]

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Series Y seeks to exceed the total return of the Russell 1000 Growth Index (the “Index”). The Series pursues its objective by investing, under normal circumstances, at least 80% of its assets (net assets, plus the amount of any borrowings for investment purposes) in: (i) equity securities issued by companies that have market capitalizations within the range of companies in the Index; (ii) investment vehicles that provide exposure to companies that have market capitalizations within the range of companies in the Index; and (iii) equity derivatives that, when purchased, provide exposure to (i.e., economic characteristics similar to) equity securities of companies with market capitalizations usually within the range of companies in the Index and equity derivatives based on large-capitalization indices, including large-capitalization growth indices deemed appropriate by Security Investors, LLC, also known as Guggenheim Investments (the “Investment Manager”). The Series will usually also invest in fixed-income securities and cash investments to collateralize derivatives positions and to increase investment return. As of March 31, 2017, the Index consisted of securities of companies with market capitalizations that ranged from $72 million to $755 billion.

The Series invests a substantial portion of its assets in investment companies advised by the Investment Manager, or an affiliate of the Investment Manager, that invest in short-term fixed-income or floating rate securities. These funds are designed primarily to provide an alternative to investing directly in various short-term fixed-income or floating rate securities. The Series invests in these investment companies for various portfolio management purposes, including for cash management and liquidity management purposes and to seek to obtain exposure with a higher level of return on investments used to collateralize derivatives positions and achieve greater diversification and trading efficiency than would usually be experienced by investing directly and separately in fixed-income or floating rate securities. Investments by the Series in these investment companies significantly increase the Series' exposure to the following asset categories: (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 (also known as “junk bonds”) or, if unrated, determined by the Investment Manager, to be of comparable quality; (ii) CLOs, other asset-backed securities and similarly structured debt investments; and (iii) other short-term fixed or floating rate debt securities. Such investments expose the Series to the risks of these asset categories and decreases in the value of these investments may cause the Series to deviate from its investment objective.

Risk [Heading]

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PRINCIPAL RISKS

Risk Narrative [Text Block]

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Leverage Risk—The Series’ use of leverage, through borrowings or instruments such as derivatives, may cause the Series to be more volatile and riskier than if it had not been leveraged.

Non-Diversification Risk—The Series is considered non-diversified because it invests a large portion of its assets in a small number of issuers. As a result, the Series is more susceptible to risks associated with those issuers and the Series may experience greater losses and volatility than a more diversified portfolio.

Value Stocks Risk—Value stocks are subject to the risk that the intrinsic value of the stock may never be realized by the market or that the price goes down.

Risk Lose Money [Text]

rr_RiskLoseMoney

The value of an investment in the Series will fluctuate and is subject to investment risks, which means investors could lose money.

Risk Nondiversified Status [Text]

rr_RiskNondiversifiedStatus

Bar Chart and Performance Table [Heading]

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PERFORMANCE INFORMATION

Performance Narrative [Text Block]

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Performance Information Illustrates Variability of Returns [Text]

rr_PerformanceInformationIllustratesVariabilityOfReturns

Performance Past Does Not Indicate Future [Text]

rr_PerformancePastDoesNotIndicateFuture

As with all mutual funds, past performance is not necessarily an indication of how the Series will perform in the future.

Bar Chart Closing [Text Block]

rr_BarChartClosingTextBlock



Highest Quarter Return		Lowest Quarter Return
Q3 2009	16.26%	Q4 2008	-20.10	%

Performance Table Heading

rr_PerformanceTableHeading

AVERAGE ANNUAL TOTAL RETURNS (For the periods ended December 31, 2016)

SERIES Y (STYLEPLUS - LARGE GROWTH SERIES) | Russell 1000 Growth Index

Prospectus:

rr_ProspectusTable

Index No Deduction for Fees, Expenses, Taxes [Text]

rr_IndexNoDeductionForFeesExpensesTaxes

(reflects no deductions for fees, expenses, or taxes)

Label

rr_AverageAnnualReturnLabel

Russell 1000 Growth Index (reflects no deductions for fees, expenses, or taxes)

1 Year

rr_AverageAnnualReturnYear01

7.08%

5 Years

rr_AverageAnnualReturnYear05

14.50%

10 Years

rr_AverageAnnualReturnYear10

8.33%

SERIES Y (STYLEPLUS - LARGE GROWTH SERIES) | A Class

Prospectus:

rr_ProspectusTable

Management Fees (as a percentage of Assets)

rr_ManagementFeesOverAssets

0.65%

^[33]

Distribution and Service (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

0.25%

Component1 Other Expenses

rr_Component1OtherExpensesOverAssets

0.01%

Component2 Other Expenses

rr_Component2OtherExpensesOverAssets

0.28%

Other Expenses (as a percentage of Assets):

rr_OtherExpensesOverAssets

0.29%

Acquired Fund Fees and Expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.09%

Expenses (as a percentage of Assets)

rr_ExpensesOverAssets

1.28%

^[34]

Fee Waiver or Reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.25%)

^[35]

Net Expenses (as a percentage of Assets)

rr_NetExpensesOverAssets

1.03%

^[36]

Fee Waiver or Reimbursement over Assets, Date of Termination

rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination

May 1, 2022

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

$ 105

Expense Example, with Redemption, 3 Years

rr_ExpenseExampleYear03

328

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

569

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

$ 1,422

Annual Return 2007

rr_AnnualReturn2007

(6.18%)

Annual Return 2008

rr_AnnualReturn2008

(37.07%)

Annual Return 2009

rr_AnnualReturn2009

33.28%

Annual Return 2010

rr_AnnualReturn2010

16.65%

Annual Return 2011

rr_AnnualReturn2011

(4.32%)

Annual Return 2012

rr_AnnualReturn2012

10.71%

Annual Return 2013

rr_AnnualReturn2013

28.27%

Annual Return 2014

rr_AnnualReturn2014

15.24%

Annual Return 2015

rr_AnnualReturn2015

5.49%

Annual Return 2016

rr_AnnualReturn2016

8.72%

Highest Quarterly Return, Label

rr_HighestQuarterlyReturnLabel

Highest Quarter Return

Highest Quarterly Return, Date

rr_BarChartHighestQuarterlyReturnDate

Sep. 30, 2009

Highest Quarterly Return

rr_BarChartHighestQuarterlyReturn

16.26%

Lowest Quarterly Return, Label

rr_LowestQuarterlyReturnLabel

Lowest Quarter Return

Lowest Quarterly Return, Date

rr_BarChartLowestQuarterlyReturnDate

Dec. 31, 2008

Lowest Quarterly Return

rr_BarChartLowestQuarterlyReturn

(20.10%)

Label

rr_AverageAnnualReturnLabel

Series Y

1 Year

rr_AverageAnnualReturnYear01

8.72%

5 Years

rr_AverageAnnualReturnYear05

13.42%

10 Years

rr_AverageAnnualReturnYear10

5.13%

SERIES Z (ALPHA OPPORTUNITY SERIES)

Prospectus:

rr_ProspectusTable

Risk/Return [Heading]

rr_RiskReturnHeading

Series Z (Alpha Opportunity Series)

Objective [Heading]

rr_ObjectiveHeading

INVESTMENT OBJECTIVE

Objective, Primary [Text Block]

rr_ObjectivePrimaryTextBlock

Series Z (Alpha Opportunity Series) (the "Series") seeks long-term growth of capital.

Expense [Heading]

rr_ExpenseHeading

FEES AND EXPENSES OF THE SERIES

Expense Narrative [Text Block]

rr_ExpenseNarrativeTextBlock

Operating Expenses Caption [Text]

rr_OperatingExpensesCaption

ANNUAL 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

Expense Example [Heading]

rr_ExpenseExampleHeading

EXAMPLE

Expense Example Narrative [Text Block]

rr_ExpenseExampleNarrativeTextBlock

Expense Example by, Year, Caption [Text]

rr_ExpenseExampleByYearCaption

Expense Example Closing [Text Block]

rr_ExpenseExampleClosingTextBlock

The above Example reflects applicable contractual fee waiver/expense reimbursement arrangements for the duration of the arrangements only.

Strategy [Heading]

rr_StrategyHeading

PRINCIPAL INVESTMENT STRATEGIES

Strategy Narrative [Text Block]

rr_StrategyNarrativeTextBlock

Series Z (Alpha Opportunity Series) pursues its objective by investing, under normal market conditions, in long and short positions of domestic equity and equity-related securities (including swaps and other derivative investments giving long or short exposure to domestic equity securities).

The Investment Manager uses a proprietary evaluation process to generate an expected return for individual stocks that considers market risk factors generally and risks specific to the companies in which the Series invests. Market risk factors include, among other factors, company size, enterprise value, and sector. The Investment Manager seeks to construct portfolios of equity-related investments that maintain long positions in instruments that provide exposure to risk factors that the Investment Manager considers to be undervalued by the equity markets and sells short instruments that provide exposure to risk factors that the Investment Manager considers to be overvalued by the equity markets. The process uses fundamentally-based, forward-looking forecasts of equity cash flows to generate return expectations for individual stocks. Then, the expected returns for the universe of stocks is further evaluated using quantitative techniques to estimate the market’s implied valuation of broad market risk factors as well as the company-specific risks. Finally, a portfolio is constructed within guidelines that buys long the stocks (or derivatives that give exposure to stocks) that give the portfolio both the broad risk characteristics and company-specific risks that are perceived to be undervalued and sells short stocks (or derivatives that give exposure to stocks) for which those characteristics are perceived to be overpriced. “Alpha” in the Series’ name refers to the potential for the Series’ portfolio to achieve returns that are favorable relative to the amount of risk taken. Of course, there is no guarantee that the Series will achieve its objective of long-term growth of capital, and an investment in the Series involves significant risk.

The Series will ordinarily hold simultaneous long and short positions in equity securities or securities markets that provide exposure up to a level equal to 150% of the Series' net assets for both the long and short positions. That level of exposure is obtained through derivatives, including swap agreements. The Investment Manager intends to maintain a low overall net exposure (the difference between the notional value of long positions and the notional value of short positions) for the portfolio, typically varying between 50% net long and 30% net short to seek to maintain low correlation to traditional equity markets, lower than market volatility and seek to provide consistent absolute return. The overall net exposure will change as market opportunities change, and may, based on the Investment Manager’s view of current market conditions, be outside this range.

The Series may invest in domestic equity securities, including small-, mid-, and large-capitalization securities. The Series also may invest in derivative instruments, including swaps on selected baskets of equity securities, to enable the Series to pursue its investment objective without investing directly in the securities of companies to which the Series is seeking exposure. The Series may also invest in derivatives to hedge or gain leveraged exposure to a particular sector, industry, market risk factor, or company depending on market conditions. The Series will often invest in instruments traded in the over the-counter (“OTC”) market, which generally provides for less transparency than exchange-traded instruments. The Series also may enter into long positions or short sales of broad-based stock indices for hedging purposes in an effort to reduce the Series’ risk or volatility through, among other instruments, exchange-traded funds and closed-end funds. The use of derivatives may create a leveraging effect on the Series which will force the Series to take offsetting positions or earmark or segregate assets to be used as collateral. The Series actively trades its investments without regard to the length of time they have been owned by the Series, which results in higher portfolio turnover.

While the Series anticipates investing in these securities and instruments to seek to achieve its investment objective, the extent of the Series’ investment in these securities and instruments may vary from day-to-day depending on a number of different factors, including price, availability, and general market conditions. On a day-to-day basis, the Series may hold U.S. government securities, short-term, high quality (rated AA or higher) fixed-income instruments, money market instruments, overnight and fixed-term repurchase agreements, cash and other cash equivalents with maturities of one year or less to collateralize its derivative positions. The Series also may enter into repurchase agreements with counterparties that are deemed to present acceptable credit risks.

Risk [Heading]

rr_RiskHeading

PRINCIPAL RISKS

Risk Narrative [Text Block]

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Derivatives Risk—Derivatives may pose risks in addition to and greater than those associated with investing directly in securities, currencies or other investments, including risks relating to leverage, imperfect correlations with underlying investments or the Series’ 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. The Series' use of derivatives to obtain short exposure may result in greater volatility of the Series' net asset value per share. If the Investment Manager 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. Some of the derivatives in which the Series invests are traded (and privately negotiated) in the OTC market. OTC derivatives are subject to heightened credit, liquidity and valuation risks. Certain risks also are specific to the derivatives in which the Series invests.

Investments by Investing Funds and Other Large Shareholders—The Series is subject to the risk that a large investor, including certain other investment companies, purchases or redeems a large percentage of Series shares at any time. As a result, the Series’ performance or liquidity may be adversely affected as the Series tends to hold a large proportion of its assets in cash and may have to sell investments at disadvantageous times or prices to meet large redemption requests.

Investment in Investment Vehicles Risk—Investing in other investment vehicles, including exchange-traded funds ("ETFs"), closed-end funds and other mutual funds, subjects the Series to those risks affecting the investment vehicle, including the possibility that the value of the underlying securities held by the investment vehicle could decrease or the portfolio becomes illiquid. Moreover, the Series and its shareholders will incur its pro rata share of the underlying vehicles’ expenses, which will reduce the Series' performance. In addition, investments in an ETF are subject to, among other risks, the risk that the ETF's shares may trade at a discount or premium relative to the net asset value of the shares and the listing exchange may halt trading of the ETF's shares.

Leverage Risk—The Series’ use of leverage, through borrowings or instruments such as derivatives, may cause the Series to be more volatile and riskier than if it had not been leveraged.

Short Sale and Short Exposure Risk—Short selling a security involves selling a borrowed security with the expectation that the value of that security will decline, so that the security may be purchased at a lower price when returning the borrowed security. A short exposure through a derivative exposes the Series to counterparty credit risk and leverage risk. The risk for loss on a short sale or other short exposure is greater than a direct investment in the security itself because the price of the borrowed security may rise, thereby increasing the price at which the security must be purchased. The risk of loss through a short sale or other short exposure may in some cases be theoretically unlimited. Government actions also may affect the Series’ ability to engage in short selling.

Bar Chart and Performance Table [Heading]

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PERFORMANCE INFORMATION

Performance Narrative [Text Block]

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The following chart and table provide some indication of the risks of investing in the Series by showing the Series’ share calendar year performance from year to year and average annual returns for one, five and ten year periods have compared to those of a broad measure of market performance. The Series has selected the BofA Merrill Lynch 3-Month U.S. Treasury Bill Index as its primary benchmark index as a replacement for the S&P 500 Index, effective March 13, 2017. The Series selected the BofA Merrill Lynch 3-Month U.S. Treasury Bill Index as its primary benchmark index because it believes that this index is more reflective of its investment style. The information also shows how the Series’ share performance compares with the returns of a Morningstar category average consistent with the Series’ investment strategy. As with all mutual funds, past performance is not necessarily an indication of how the Series will perform in the future.

Important Note: Effective January 28, 2015, significant changes to the Series’ principal investment strategies and portfolio managers were made. In connection with these changes, the Series also added a second benchmark, the Morningstar Long/Short Equity Category Average. Please note that the Series’ performance track record prior to January 28, 2015 related only to the Series’ former investments, which were materially different from those currently pursued by the Series, and is not indicative of the Series’ future performance.

Performance Information Illustrates Variability of Returns [Text]

rr_PerformanceInformationIllustratesVariabilityOfReturns

Performance Past Does Not Indicate Future [Text]

rr_PerformancePastDoesNotIndicateFuture

As with all mutual funds, past performance is not necessarily an indication of how the Series will perform in the future.

Bar Chart Closing [Text Block]

rr_BarChartClosingTextBlock



Highest Quarter Return		Lowest Quarter Return
Q3 2010	15.79%	Q4 2008	-21.68	%

Performance Table Heading

rr_PerformanceTableHeading

AVERAGE ANNUAL TOTAL RETURNS (For the periods ended December 31, 2016)

SERIES Z (ALPHA OPPORTUNITY SERIES) | S&P 500 Index

Prospectus:

rr_ProspectusTable

Index No Deduction for Fees, Expenses, Taxes [Text]

rr_IndexNoDeductionForFeesExpensesTaxes

(reflects no deductions for fees, expenses, or taxes)

Label

rr_AverageAnnualReturnLabel

S&P 500 Index (reflects no deductions for fees, expenses, or taxes)

1 Year

rr_AverageAnnualReturnYear01

11.96%

5 Years

rr_AverageAnnualReturnYear05

14.66%

10 Years

rr_AverageAnnualReturnYear10

6.95%

SERIES Z (ALPHA OPPORTUNITY SERIES) | A Class

Prospectus:

rr_ProspectusTable

Management Fees (as a percentage of Assets)

rr_ManagementFeesOverAssets

1.25%

Distribution and Service (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

0.25%

Component1 Other Expenses

rr_Component1OtherExpensesOverAssets

0.57%

Component2 Other Expenses

rr_Component2OtherExpensesOverAssets

1.10%

Other Expenses (as a percentage of Assets):

rr_OtherExpensesOverAssets

1.67%

Expenses (as a percentage of Assets)

rr_ExpensesOverAssets

3.17%

Fee Waiver or Reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.25%)

^[37],[38]

Net Expenses (as a percentage of Assets)

rr_NetExpensesOverAssets

2.92%

^[39]

Fee Waiver or Reimbursement over Assets, Date of Termination

rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination

May 1, 2022

Portfolio Turnover, Rate

rr_PortfolioTurnoverRate

198.00%

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

$ 295

Expense Example, with Redemption, 3 Years

rr_ExpenseExampleYear03

904

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

1,538

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

$ 3,377

Annual Return 2007

rr_AnnualReturn2007

18.19%

Annual Return 2008

rr_AnnualReturn2008

(34.55%)

Annual Return 2009

rr_AnnualReturn2009

29.91%

Annual Return 2010

rr_AnnualReturn2010

20.74%

Annual Return 2011

rr_AnnualReturn2011

1.77%

Annual Return 2012

rr_AnnualReturn2012

13.40%

Annual Return 2013

rr_AnnualReturn2013

27.83%

Annual Return 2014

rr_AnnualReturn2014

9.36%

Annual Return 2015

rr_AnnualReturn2015

(4.69%)

Annual Return 2016

rr_AnnualReturn2016

12.79%

Highest Quarterly Return, Label

rr_HighestQuarterlyReturnLabel

Highest Quarter Return

Highest Quarterly Return, Date

rr_BarChartHighestQuarterlyReturnDate

Sep. 30, 2010

Highest Quarterly Return

rr_BarChartHighestQuarterlyReturn

15.79%

Lowest Quarterly Return, Label

rr_LowestQuarterlyReturnLabel

Lowest Quarter Return

Lowest Quarterly Return, Date

rr_BarChartLowestQuarterlyReturnDate

Dec. 31, 2008

Lowest Quarterly Return

rr_BarChartLowestQuarterlyReturn

(21.68%)

Label

rr_AverageAnnualReturnLabel

Series Z (Alpha Opportunity Series)

1 Year

rr_AverageAnnualReturnYear01

12.79%

5 Years

rr_AverageAnnualReturnYear05

11.25%

10 Years

rr_AverageAnnualReturnYear10

7.72%

SERIES Z (ALPHA OPPORTUNITY SERIES) | A Class | BofA Merrill Lynch 3-Month U.S. Treasury Bill Index

Prospectus:

rr_ProspectusTable

Label

rr_AverageAnnualReturnLabel

BofA Merrill Lynch 3-Month U.S. Treasury Bill Index (reflects no deductions for fees, expenses or taxes)

1 Year

rr_AverageAnnualReturnYear01

0.33%

5 Years

rr_AverageAnnualReturnYear05

0.12%

10 Years

rr_AverageAnnualReturnYear10

0.80%

SERIES Z (ALPHA OPPORTUNITY SERIES) | A Class | Morningstar Long/Short Equity Category Average

Prospectus:

rr_ProspectusTable

Label

rr_AverageAnnualReturnLabel

Morningstar Long/Short Equity Category Average (reflects no deductions for fees, expenses or taxes)

1 Year

rr_AverageAnnualReturnYear01

0.98%

5 Years

rr_AverageAnnualReturnYear05

4.86%

10 Years

rr_AverageAnnualReturnYear10

3.89%

[1]	The Total Annual Operating Expenses in this table may not correlate to the expense ratios in the Series' financial highlights and financial statements because the financial highlights and financial statements reflect only the operating expenses of the Series and do not include Acquired Fund Fees and Expenses incurred by the Series through its investments in underlying investment companies.
[2]	Security Investors, LLC, also known as Guggenheim Investments (the “Investment Manager”), has contractually agreed through May 1, 2022 to waive fees and/or reimburse expenses to the extent necessary to limit the ordinary operating expenses (including distribution (12b-1) fees (if any), but exclusive of brokerage costs, dividends on securities sold short, acquired fund fees and expenses, interest, taxes, litigation, indemnification, and extraordinary expenses) (“Operating Expenses”) of the Series to the annual percentage of average daily net assets for the Series to 0.91%. The Investment Manager is entitled to reimbursement by the Series of fees waived or expenses reimbursed during any of the previous 36 months beginning on the date of the expense limitation agreement, provided that the Operating Expenses do not exceed the then-applicable expense cap. The agreement will expire when it reaches its termination or when the Investment Manager ceases to serve as such and it can be terminated by the Series’ Board of Trustees, with certain waived fees and reimbursed expenses subject to the recoupment rights of the Investment Manager.
[3]	Total Annual Operating Expenses and Total Annual Operating Expenses After Fee Waiver (and/or expense reimbursement) have been restated to reflect current expenses and the current expense limitation agreement.
[4]	Security Investors, LLC, also known as Guggenheim Investments (the “Investment Manager”), has contractually agreed through May 1, 2022 to waive fees and/or reimburse expenses to the extent necessary to limit the ordinary operating expenses (including distribution (12b-1) fees (if any), but exclusive of brokerage costs, dividends on securities sold short, acquired fund fees and expenses, interest, taxes, litigation, indemnification, and extraordinary expenses) (“Operating Expenses”) of the Series to the annual percentage of average daily net assets for the Series to 0.80%. The Investment Manager is entitled to reimbursement by the Series of fees waived or expenses reimbursed during any of the previous 36 months beginning on the date of the expense limitation agreement, provided that the Operating Expenses do not exceed the then-applicable expense cap. The agreement will expire when it reaches its termination or when the Investment Manager ceases to serve as such and it can be terminated by the Series’ Board of Trustees, with certain waived fees and reimbursed expenses subject to the recoupment rights of the Investment Manager.
[5]	Total Annual Operating Expenses and Total Annual Operating Expenses After Fee Waiver (and/or expense reimbursement) have been restated to reflect current expenses and the current expense limitation agreement.
[6]	The MSCI World Index (Net) returns reflect reinvested dividends net of foreign withholding taxes, but reflect no deductions for fees, expenses or other taxes. The returns are calculated by applying withholding rates applicable to non-resident persons who do not benefit from double taxation treaties. Withholding rates applicable to the Series may be lower.
[7]	Security Investors, LLC, also known as Guggenheim Investments (the “Investment Manager”), has contractually agreed through May 1, 2022 to waive fees and/or reimburse expenses to the extent necessary to limit the ordinary operating expenses (including distribution (12b-1) fees (if any), but exclusive of brokerage costs, dividends on securities sold short, acquired fund fees and expenses, interest, taxes, litigation, indemnification, and extraordinary expenses) (“Operating Expenses”) of the Series to the annual percentage of average daily net assets for the Series to 0.90%. The Investment Manager is entitled to reimbursement by the Series of fees waived or expenses reimbursed during any of the previous 36 months beginning on the date of the expense limitation agreement, provided that the Operating Expenses do not exceed the then-applicable expense cap. The agreement will expire when it reaches its termination or when the Investment Manager ceases to serve as such and it can be terminated by the Series’ Board of Trustees, with certain waived fees and reimbursed expenses subject to the recoupment rights of the Investment Manager.
[8]	Total Annual Operating Expenses and Total Annual Operating Expenses After Fee Waiver (and/or expense reimbursement) have been restated to reflect current expenses and the current expense limitation agreement.
[9]	Security Investors, LLC, also known as Guggenheim Investments (the “Investment Manager”), has contractually agreed through May 1, 2019 to waive fees and/or reimburse expenses to the extent necessary to limit the ordinary operating expenses (including distribution (12b-1) fees (if any), but exclusive of brokerage costs, dividends on securities sold short, acquired fund fees and expenses, interest, taxes, litigation, indemnification, and extraordinary expenses) (“Operating Expenses”) of the Series to the annual percentage of average daily net assets for the Series to 0.81%. The Investment Manager is entitled to reimbursement by the Series of fees waived or expenses reimbursed during any of the previous 36 months beginning on the date of the expense limitation agreement, provided that the Operating Expenses do not exceed the then-applicable expense cap. The agreement will expire when it reaches its termination or when the Investment Manager ceases to serve as such and it can be terminated by the Series’ Board of Trustees, with certain waived fees and reimbursed expenses subject to the recoupment rights of the Investment Manager.
[10]	The Investment Manager has contractually agreed through May 1, 2018 to waive the amount of the Series’ management fee to the extent necessary to offset the proportionate share of certain expenses incurred by the Series through its investment in an underlying fund for which the Investment Manager or any of its affiliates also serves as investment manager. The agreement will expire when it reaches its termination or when the Investment Manager ceases to serve as such and it can be terminated by the Series’ Board of Trustees.
[11]	Since inception of April 24, 2013
[12]	Guggenheim Partners Investment Management, LLC, also known as Guggenheim Investments (the “Investment Manager”), has contractually agreed through May 1, 2019 to waive fees and/or reimburse expenses to the extent necessary to limit the ordinary operating expenses (including distribution (12b-1) fees (if any), but exclusive of brokerage costs, dividends on securities sold short, acquired fund fees and expenses, interest, taxes, litigation, indemnification, and extraordinary expenses) (“Operating Expenses”) of the Series to the annual percentage of average daily net assets for the Series to 1.15%. The Investment Manager is entitled to reimbursement by the Series of fees waived or expenses reimbursed during any of the previous 36 months beginning on the date of the expense limitation agreement, provided that the Operating Expenses do not exceed the then-applicable expense cap. The agreement will expire when it reaches its termination or when the Investment Manager ceases to serve as such and it can be terminated by the Series’ Board of Trustees, with certain waived fees and reimbursed expenses subject to the recoupment rights of the Investment Manager.
[13]	The Investment Manager has contractually agreed through May 1, 2018 to waive the amount of the Series’ management fee to the extent necessary to offset the proportionate share of certain expenses incurred by the Series through its investment in an underlying fund for which the Investment Manager or any of its affiliates also serves as investment manager. The agreement will expire when it reaches its termination or when the Investment Manager ceases to serve as such and it can be terminated by the Series’ Board of Trustees.
[14]	The Total Annual Operating Expenses in this table may not correlate to the expense ratios in the Series' financial highlights and financial statements because the financial highlights and financial statements reflect only the operating expenses of the Series and do not include Acquired Fund Fees and Expenses incurred by the Series through its investments in underlying investment companies.
[15]	Security Investors, LLC, also known as Guggenheim Investments (the “Investment Manager”), has contractually agreed through May 1, 2022 to waive fees and/or reimburse expenses to the extent necessary to limit the ordinary operating expenses (including distribution (12b-1) fees (if any), but exclusive of brokerage costs, dividends on securities sold short, acquired fund fees and expenses, interest, taxes, litigation, indemnification, and extraordinary expenses) (“Operating Expenses”) of the Series to the annual percentage of average daily net assets for the Series to 0.94%. The Investment Manager is entitled to reimbursement by the Series of fees waived or expenses reimbursed during any of the previous 36 months beginning on the date of the expense limitation agreement, provided that the Operating Expenses do not exceed the then-applicable expense cap. The agreement will expire when it reaches its termination or when the Investment Manager ceases to serve as such and it can be terminated by the Series’ Board of Trustees, with certain waived fees and reimbursed expenses subject to the recoupment rights of the Investment Manager.
[16]	Total Annual Operating Expenses and Total Annual Operating Expenses After Fee Waiver (and/or expense reimbursement) have been restated to reflect current expenses and the current expense limitation agreement.
[17]	Restated to reflected current fees.
[18]	The Total Annual Operating Expenses in this table may not correlate to the expense ratios in the Series' financial highlights and financial statements because the financial highlights and financial statements reflect only the operating expenses of the Series and do not include Acquired Fund Fees and Expenses incurred by the Series through its investments in underlying investment companies.
[19]	Total Annual Operating Expenses have been restated to reflect current expenses.
[20]	Security Investors, LLC, also known as Guggenheim Investments (the “Investment Manager”), has contractually agreed through May 1, 2022 to waive fees and/or reimburse expenses to the extent necessary to limit the ordinary operating expenses (including distribution (12b-1) fees (if any), but exclusive of brokerage costs, dividends on securities sold short, acquired fund fees and expenses, interest, taxes, litigation, indemnification, and extraordinary expenses) (“Operating Expenses”) of the Series to the annual percentage of average daily net assets for the Series to 0.88%. The Investment Manager is entitled to reimbursement by the Series of fees waived or expenses reimbursed during any of the previous 36 months beginning on the date of the expense limitation agreement, provided that the Operating Expenses do not exceed the then-applicable expense cap. The agreement will expire when it reaches its termination or when the Investment Manager ceases to serve as such and it can be terminated by the Series’ Board of Trustees, with certain waived fees and reimbursed expenses subject to the recoupment rights of the Investment Manager.
[21]	Total Annual Operating Expenses and Total Annual Operating Expenses After Fee Waiver (and/or expense reimbursement) have been restated to reflect current expenses and the current expense limitation agreement.
[22]	Security Investors, LLC, also known as Guggenheim Investments (the “Investment Manager”), has contractually agreed through May 1, 2019 to waive fees and/or reimburse expenses to the extent necessary to limit the ordinary operating expenses (including distribution (12b-1) fees (if any), but exclusive of brokerage costs, dividends on securities sold short, acquired fund fees and expenses, interest, taxes, litigation, indemnification, and extraordinary expenses) (“Operating Expenses”) of the Series to the annual percentage of average daily net assets for the Series to 1.07%. The Investment Manager is entitled to reimbursement by the Series of fees waived or expenses reimbursed during any of the previous 36 months beginning on the date of the expense limitation agreement, provided that the Operating Expenses do not exceed the then-applicable expense cap. The agreement will expire when it reaches its termination or when the Investment Manager ceases to serve as such and it can be terminated by the Series’ Board of Trustees, with certain waived fees and reimbursed expenses subject to the recoupment rights of the Investment Manager.
[23]	The Investment Manager has contractually agreed through May 1, 2018 to waive the amount of the Series’ management fee to the extent necessary to offset the proportionate share of certain expenses incurred by the Series through its investment in an underlying fund for which the Investment Manager or any of its affiliates also serves as investment manager. Each agreement will expire when it reaches its termination or when the Investment Manager ceases to serve as such and it can be terminated by the Series’ Board of Trustees.
[24]	Restated to reflected current fees.
[25]	Security Investors, LLC, also known as Guggenheim Investments (the “Investment Manager”), has contractually agreed through May 1, 2022 to waive fees and/or reimburse expenses to the extent necessary to limit the ordinary operating expenses (including distribution (12b-1) fees (if any), but exclusive of brokerage costs, dividends on securities sold short, acquired fund fees and expenses, interest, taxes, litigation, indemnification, and extraordinary expenses) (“Operating Expenses”) of the Series to the annual percentage of average daily net assets for the Series to 1.14%. The Investment Manager is entitled to reimbursement by the Series of fees waived or expenses reimbursed during any of the previous 36 months beginning on the date of the expense limitation agreement, provided that the Operating Expenses do not exceed the then-applicable expense cap. The agreement will expire when it reaches its termination or when the Investment Manager ceases to serve as such and it can be terminated by the Series’ Board of Trustees, with certain waived fees and reimbursed expenses subject to the recoupment rights of the Investment Manager.
[26]	Total Annual Operating Expenses and Total Annual Operating Expenses After Fee Waiver (and/or expense reimbursement) have been restated to reflect current expenses and the current expense limitation agreement.
[27]	Security Investors, LLC, also known as Guggenheim Investments (the “Investment Manager”), has contractually agreed through May 1, 2022 to waive fees and/or reimburse expenses to the extent necessary to limit the ordinary operating expenses (including distribution (12b-1) fees (if any), but exclusive of brokerage costs, dividends on securities sold short, acquired fund fees and expenses, interest, taxes, litigation, indemnification, and extraordinary expenses) (“Operating Expenses”) of the Series to the annual percentage of average daily net assets for the Series to 0.91%. The Investment Manager is entitled to reimbursement by the Series of fees waived or expenses reimbursed during any of the previous 36 months beginning on the date of the expense limitation agreement, provided that the Operating Expenses do not exceed the then-applicable expense cap. The agreement will expire when it reaches its termination or when the Investment Manager ceases to serve as such and it can be terminated by the Series’ Board of Trustees, with certain waived fees and reimbursed expenses subject to the recoupment rights of the Investment Manager.
[28]	Total Annual Operating Expenses and Total Annual Operating Expenses After Fee Waiver (and/or expense reimbursement) have been restated to reflect current expenses and the current expense limitation agreement.
[29]	Restated to reflected current fees.
[30]	The Total Annual Operating Expenses in this table may not correlate to the expense ratios in the Series' financial highlights and financial statements because the financial highlights and financial statements reflect only the operating expenses of the Series and do not include Acquired Fund Fees and Expenses incurred by the Series through its investments in underlying investment companies.
[31]	Security Investors, LLC, also known as Guggenheim Investments (the “Investment Manager”), has contractually agreed through May 1, 2022 to waive fees and/or reimburse expenses to the extent necessary to limit the ordinary operating expenses (including distribution (12b-1) fees (if any), but exclusive of brokerage costs, dividends on securities sold short, acquired fund fees and expenses, interest, taxes, litigation, indemnification, and extraordinary expenses) (“Operating Expenses”) of the Series to the annual percentage of average daily net assets for the Series to 1.06%. The Investment Manager is entitled to reimbursement by the Series of fees waived or expenses reimbursed during any of the previous 36 months beginning on the date of the expense limitation agreement, provided that the Operating Expenses do not exceed the then-applicable expense cap. The agreement will expire when it reaches its termination or when the Investment Manager ceases to serve as such and it can be terminated by the Series’ Board of Trustees, with certain waived fees and reimbursed expenses subject to the recoupment rights of the Investment Manager.
[32]	Total Annual Operating Expenses and Total Annual Operating Expenses After Fee Waiver (and/or expense reimbursement) have been restated to reflect current expenses and the current expense limitation agreement.
[33]	Restated to reflected current fees.
[34]	The Total Annual Operating Expenses in this table may not correlate to the expense ratios in the Series' financial highlights and financial statements because the financial highlights and financial statements reflect only the operating expenses of the Series and do not include Acquired Fund Fees and Expenses incurred by the Series through its investments in underlying investment companies.
[35]	Security Investors, LLC, also known as Guggenheim Investments (the “Investment Manager”), has contractually agreed through May 1, 2022 to waive fees and/or reimburse expenses to the extent necessary to limit the ordinary operating expenses (including distribution (12b-1) fees (if any), but exclusive of brokerage costs, dividends on securities sold short, acquired fund fees and expenses, interest, taxes, litigation, indemnification, and extraordinary expenses) (“Operating Expenses”) of the Series to the annual percentage of average daily net assets for the Series to 0.93%. The Investment Manager is entitled to reimbursement by the Series of fees waived or expenses reimbursed during any of the previous 36 months beginning on the date of the expense limitation agreement, provided that the Operating Expenses do not exceed the then-applicable expense cap. The agreement will expire when it reaches its termination or when the Investment Manager ceases to serve as such and it can be terminated by the Series’ Board of Trustees, with certain waived fees and reimbursed expenses subject to the recoupment rights of the Investment Manager.
[36]	Total Annual Operating Expenses and Total Annual Operating Expenses After Fee Waiver (and/or expense reimbursement) have been restated to reflect current expenses and the current expense limitation agreement.
[37]	Security Investors, LLC, also known as Guggenheim Investments (the “Investment Manager”), has contractually agreed through May 1, 2022 to waive fees and/or reimburse expenses to the extent necessary to limit the ordinary operating expenses (including distribution (12b-1) fees (if any), but exclusive of brokerage costs, dividends on securities sold short, acquired fund fees and expenses, interest, taxes, litigation, indemnification, and extraordinary expenses) (“Operating Expenses”) of the Series to the annual percentage of average daily net assets for the Series to 2.35%. The Investment Manager is entitled to reimbursement by the Series of fees waived or expenses reimbursed during any of the previous 36 months beginning on the date of the expense limitation agreement, provided that the Operating Expenses do not exceed the then-applicable expense cap. The agreement will expire when it reaches its termination or when the Investment Manager ceases to serve as such and it can be terminated by the Series’ Board of Trustees, with certain waived fees and reimbursed expenses subject to the recoupment rights of the Investment Manager.
[38]	The Investment Manager has contractually agreed through May 1, 2018 to waive the amount of the Series’ management fee to the extent necessary to offset the proportionate share of certain expenses incurred by the Series through its investment in an underlying fund for which the Investment Manager or any of its affiliates also serves as investment manager. The agreement will expire when it reaches its termination or when the Investment Manager ceases to serve as such and it can be terminated by the Series’ Board of Trustees.
[39]	Total Annual Operating Expenses and Total Annual Operating Expenses After Fee Waiver (and/or expense reimbursement) have been restated to reflect current expenses and the current expense limitation agreement.