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Investment Objective

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Fees and Expenses of the Fund

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You may qualify for sales discounts if you and your eligible family members invest, or agree to invest in the future, at least $50,000 in all classes of the American Beacon Funds on an aggregated basis.

Shareholder Fees Caption [Text]

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Shareholder Fees (fees paid directly from your investment)

Fee Waiver or Reimbursement over Assets, Date of Termination

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April 29, 2017

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

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The Total Annual Fund Operating Expenses do not correlate to the ratio of expenses to average net assets provided in the Fund's Financial Highlights table, which reflects the operating expenses of the Fund and does not include Acquired Fund Fees and Expenses.

Expense Example Narrative [Text Block]

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This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same except that this example reflects the fee waiver/expense reimbursement arrangement for each share class through April 29, 2017. Although your actual costs may be higher or lower, based on these assumptions, your costs would be:

Portfolio Turnover [Heading]

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Portfolio Turnover

Portfolio Turnover, Rate

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none

Strategy Narrative [Text Block]

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The Fund seeks to achieve its investment objective by implementing a quantitative trading strategy and systematic investment process designed to capitalize on price trends (up and/or down) in a broad range of global markets including stock indices, bonds and bond futures, currency and currency futures, and interest rates by utilizing derivative instruments. As the owner of a "long" position in a derivative instrument, the Fund may benefit from an increase in the price of the underlying investment and, as the owner of a "short" position, the Fund may benefit from a decrease in the price of the underlying investment.

The Fund invests primarily in futures, bonds, currency, options and forward contracts. The Fund also may invest in warrants, swaps and other types of derivative instruments linked to stock indices, currencies, bonds, interest rates and commodity instruments. In connection with the Fund's use of derivatives, the Fund also holds significant amounts of U.S. Treasury securities, or short-term investments, including money market funds, cash and time deposits in order to meet applicable asset coverage requirements under the Investment Company Act of 1940, as amended (the "1940 Act"). The Fund's investments are generally made without restriction as to issuer market capitalization, country, currency, maturity or credit rating. The Fund may invest in below investment grade securities, which are commonly referred to as "junk bonds" and in issuers in the U.S. and foreign developed and emerging markets.

The Fund seeks to gain exposure to the commodity futures markets by investing up to 25% of its total assets in a wholly-owned subsidiary (the "Subsidiary"), which is organized under the laws of the Cayman Islands. Generally, the Subsidiary invests primarily in commodity futures, but it may also invest in financial futures and forwards, options and swap contracts, fixed income securities, pooled investment vehicles, including open-end investment companies and exchange-traded funds ("ETFs"), and other investments intended to serve as margin or collateral for the Subsidiary's derivative positions. The Fund invests in the Subsidiary in order to gain exposure to the commodities markets within the limitations of the federal tax law, rules and regulations that apply to regulated investment companies. Unlike the Fund, the Subsidiary may invest without limitation in commodity-linked derivatives, however, the Subsidiary and the Fund, in the aggregate, comply with applicable 1940 Act asset coverage requirements with respect to their combined investments in commodity-linked derivatives. In addition, to the extent applicable to the investment activities of the Subsidiary, the Fund and the Subsidiary comply with the same fundamental investment restrictions on an aggregate basis and the Subsidiary follows the same compliance policies and procedures as the Fund. Unlike the Fund, the Subsidiary does not, and will not seek to qualify as a regulated investment company under Subchapter M of Chapter 1 of Subtitle A ("Subchapter M") of the Internal Revenue Code of 1986, as amended. The Fund is the sole shareholder of the Subsidiary and does not expect shares of the Subsidiary to be offered or sold to other investors.

The sub-advisor employs computerized processes to identify investment opportunities across a wide range of markets around the world. Investment decisions are executed via the sub-advisor's proprietary execution strategy. The investment decision process is quantitative and primarily directional in nature, meaning that investment decisions are driven by mathematical models based on market trends and other historical relationships. It is underpinned by risk control, ongoing research, diversification and the quest for efficiency. The Fund's holdings may be frequently adjusted to reflect the sub-advisor's assessment of changing risks, which could result in high portfolio turnover.

The cornerstone of the sub-advisor's investment philosophy is that the financial markets exhibit trends and other inefficiencies. Trends are a manifestation of serial correlation in financial markets — the phenomenon whereby past price movements influence price behavior. Although price trends vary in their intensity, duration and frequency they typically recur across sectors and markets. Trends are an attractive focus for active trading styles applied across a range of global markets. In implementing its investment program, the Fund may hold significant cash positions from time to time. Accordingly, the sub-advisor will make investment decisions for cash management purposes. Such arrangements may include entering into repurchase agreements or investing in cash equivalents.

The Fund is non-diversified, which means that it is not limited to a percentage of assets that it may invest in any one issuer.

Risk Narrative [Text Block]

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There is no assurance that the Fund will achieve its investment objective and you could lose part or all of your investment in the Fund. The Fund is not designed for investors who need an assured level of income and is intended to be a long-term investment. The Fund is not a complete investment program and may not be appropriate for all investors. Investors should carefully consider their own investment goals and risk tolerance before investing in the Fund. The principal risks of investing in the Fund are:

Allocation Risk
The sub-advisor's judgments about, and allocations among, asset classes and market exposures may adversely affect the Fund's performance. This risk may be increased by the use of derivatives to increase allocations to various market exposures.

Asset Selection Risk
Assets selected by the sub-advisor or the Manager for the Fund may not perform to expectations. The sub-advisor's investment models may rely in part on data derived from third parties and may not perform as intended. This could result in the Fund's underperformance compared to other funds with similar investment objectives.

Commodities Risk
The Fund's investments in commodity-linked derivative instruments may subject the Fund to greater volatility than investments in traditional securities. The value of commodity-linked derivative instruments may be affected by changes in overall market movements, commodity index volatility, changes in interest rates, or factors affecting a particular industry or commodity, such as changes in supply and demand, drought, floods, weather, livestock disease, embargoes, tariffs, war, acts of terrorism and international economic, political and regulatory developments. The Fund and the Subsidiary each may concentrate its assets in a particular sector of the commodities market (such as oil, metal or agricultural products). As a result, the Fund and the Subsidiary may be more susceptible to risks associated with those sectors. The Fund's investments in commodity-related instruments may lead to losses in excess of the Fund's investment in such products. Such losses can significantly and adversely affect the net asset value per share ("NAV") of the Fund and, consequently, a shareholder's interest in the Fund.

Counterparty Risk
The Fund is subject to the risk that a party or participant to a transaction, such as a broker or derivative counterparty, will be unwilling or unable to satisfy its obligation to make timely principal, interest or settlement payments or to otherwise honor its obligations to the Fund.

Credit Risk
The Fund is subject to the risk that the issuer or guarantor of a debt security, or the counterparty to a derivatives contract or a loan will fail to make timely payment of interest or principal or otherwise honor its obligations or default completely. Credit risk is typically greater for securities with ratings that are below investment grade (commonly referred to as "junk bonds.").

Crowding/Convergence Risk
There is significant competition among quantitatively-focused managers and the ability of the sub-advisor to deliver returns that have a low correlation with global aggregate equity markets and other funds is dependent on their ability to employ models that are simultaneously profitable and differentiated from those employed by other managers. To the extent that the sub-advisor is not able to develop sufficiently differentiated models the Fund's investment objective may not be met, irrespective of whether the models are profitable in an absolute sense.

Currency Risk
The Fund may have exposure to foreign currencies by making direct investments in non-U.S. currencies or in securities denominated in non-U.S. currencies, purchasing or selling forward currency exchange contracts in non-U.S. currencies, including both non-deliverable forwards ("NDFs") and deliverable forwards, non-U.S. currency futures contracts, options (including non-deliverable options ("NDOs") on non-U.S. currencies and non-U.S. currency futures) and swaps for cross-currency investments. Foreign currencies may decline in value relative to the U.S. dollar and other currencies and thereby affect the Fund's investments in foreign (non-U.S.) currencies or in securities that trade in, and receive revenues in, or in derivatives that provide exposure to, foreign (non-U.S.) currencies.

Derivatives Risk
Derivatives may involve significant risk. The use of derivative instruments may expose the Fund to additional risks that it would not be subject to if it invested directly in the securities or other instruments underlying those derivatives, including the high degree of leverage often embedded in such instruments, and potential material and prolonged deviations between the theoretical value and realizable value of a derivative. Some derivatives have the potential for unlimited loss, regardless of the size of the Fund's initial investment. Derivatives may be illiquid and may be more volatile than other types of investments. The Fund may buy or sell derivatives not traded on an exchange and which may be subject to heightened liquidity and valuation risk. Derivative investments can increase portfolio turnover and transaction costs. Derivatives also are subject to counterparty risk. As a result, the Fund may obtain no recovery of its investment or may only obtain a limited recovery, and any recovery may be delayed. Not all derivative transactions require a counterparty to post collateral, which may expose the Fund to greater losses in the event of a default by a counterparty. In addition, the Fund's investments in derivatives are subject to the following risks:

Futures and Forward Contracts. Futures and forward contracts, including non-deliverable forwards ("NDFs"), are derivative instruments pursuant to a contract where one party pays a fixed price for an agreed amount of securities or other underlying assets at an agreed date or to buy or sell a specific currency at a future date at a price set at the time of the contract. There may be an imperfect correlation between the movement in the prices of futures contracts and the value of the underlying instruments or indexes. There can be no assurance that any strategy used will succeed. Not all forward contracts, including NDFs, require a counterparty to post collateral, which may expose the Fund to greater losses in the event of a default by a counterparty. There may not be a liquid secondary market for the futures contracts. Forward currency transactions, including NDFs, and forward currency contracts include the risks associated with fluctuations in currency. Interest rate and Treasury futures contracts expose the Fund to price fluctuations resulting from changes in interest rates. The Fund could suffer a loss if interest rates rise after the Fund has purchased an interest rate futures contract or fall after the Fund has sold an interest rate futures contract. Similarly, Treasury futures contracts expose the Fund to potential losses if interest rates do not move as expected.
Options. In order for a call option to be profitable, the market price of the underlying security must rise sufficiently above the exercise price to cover the premium and transaction costs. These costs will reduce any profit that might have realized had it bought the underlying security at the time it purchased the call option. For a put option to be profitable, the market price of the underlying security must decline sufficiently below the exercise price to cover the premium and transaction costs. By using put options in this manner, the Fund will reduce any profit it might otherwise have realized from appreciation of the underlying security by the premium paid for the put option and by transaction costs. If the Fund sells a put option, there is a risk that the Fund may be required to buy the underlying asset at a disadvantageous price. If the Fund sells a call option, there is a risk that the Fund may be required to sell the underlying asset at a disadvantageous price. If the Fund sells a call option on an underlying asset that the Fund owns and the underlying asset has increased in value when the call option is exercised, the Fund will be required to sell the underlying asset at the call price and will not be able to realize any of the underlying asset's value above the call price.
Swap Agreements. Swaps can involve greater risks than a direct investment in an underlying asset, because swaps typically include a certain amount of embedded leverage and as such are subject to leveraging risk. If swaps are used as a hedging strategy, the Fund is subject to the risk that the hedging strategy may not eliminate the risk that it is intended to offset, due to, among other reasons, the occurrence of unexpected price movements or the non-occurrence of expected price movements. Swaps also may be difficult to value. Interest rate swaps, total return swaps, currency swaps, credit default swaps and commodities swaps are subject to counterparty risk, credit risk and liquidity risk. In addition, interest rate swaps are subject to interest rate risk, total return swaps are subject to market risk, and interest rate risk if the underlying securities are bonds or other debt obligations, currency swaps are subject to currency risk, and commodities swaps are subject to commodities risk.
Warrants. Warrants may be more speculative than certain other types of investments because warrants do not carry with them dividend or voting rights with respect to the underlying securities, or any rights in the assets of the issuer. In addition, the value of a warrant does not necessarily change with the value of the underlying securities, and a warrant ceases to have value if it is not exercised prior to its expiration date.

Emerging Markets Risk
When investing in emerging markets, the risks of investing in foreign securities discussed below are heightened. Emerging markets are generally smaller, less developed, less liquid and more volatile than the securities markets of the U.S. and other developed markets. There are also risks of: greater political uncertainties; an economy's dependence on revenues from particular commodities or on international aid or development assistance; currency transfer restrictions; a limited number of potential buyers for such securities; and delays and disruptions in securities settlement procedures.

Foreign Investing Risk
Non-U.S. investments carry potential risks not associated with U.S. investments. Such risks include, but are not limited to: (1) currency exchange rate fluctuations, (2) political and financial instability, (3) less liquidity and greater volatility, (4) lack of uniform accounting, auditing and financial reporting standards, (5) increased price volatility, (6) less government regulation and supervision of foreign stock exchanges, brokers and listed companies; and (7) delays in transaction settlement in some foreign markets.

Hedging Risk
If the Fund uses a hedging instrument at the wrong time or judges the market conditions incorrectly, or the hedged instrument does not correlate to the risk sought to be hedged, the hedge might be unsuccessful, reduce the Fund's return, or create a loss.

High Portfolio Turnover Risk
Portfolio turnover is a measure of the Fund's trading activity over a one-year period. A portfolio turnover rate of 100% would indicate that the Fund sold and replaced the entire value of its securities holdings during the period. High portfolio turnover could increase the Fund's transaction costs, have a negative impact on performance, and generate higher capital gain distributions to shareholders than if the Fund has a lower portfolio turnover rate.

High Yield Securities Risk
Investing in high yield, below investment-grade securities (commonly referred to as "junk bonds") generally involves significantly greater risks of loss of your money than an investment in investment grade securities. High yield debt securities may fluctuate more widely in price and yield and may fall in price when the economy is weak or expected to become weak. High yield securities are considered to be speculative with respect to an issuer's ability to pay interest and principal and carry a greater risk that the issuers of lower-rated securities will default on the timely payment of principal and interest. Below investment grade securities may experience greater price volatility and less liquidity than investment grade securities.

Interest Rate Risk
The Fund is subject to the risk that the market value of fixed income securities it holds will decline due to rising interest rates. As of the date of this Prospectus, interest rates are near historic lows, but may rise substantially and/or rapidly, potentially resulting in substantial losses to the Fund. Generally, the value of investments with interest rate risk, such as fixed income securities, will move in the opposite direction as movements in interest rates. The prices of fixed income securities are also affected by their durations. Fixed income securities with longer duration generally have greater sensitivity to changes in interest rates. Significant upward pressure on domestic interest rates and a corresponding widening of credit spreads could negatively impact the market price of emerging debt markets. An increase in interest rates can impact markets broadly as well.

Investment Risk
An investment in the Fund is not a deposit with a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. When you sell your shares of the Fund, they could be worth less than what you paid for them. Therefore, you may lose money by investing in the Fund.

Issuer Risk
The value of, and/or the return generated by, a security may decline for a number of reasons which directly relate to the issuer, such as management performance, financial leverage and reduced demand for the issuer's goods or services, as well as the historical and prospective earnings of the issuer and the value of its assets.

Leverage Risk
The Fund's use of futures, forward contracts, swaps, other derivative instruments and selling securities short will have the economic effect of financial leverage. Financial leverage magnifies the exposure to the swings in prices of an asset or class of assets underlying a derivative instrument and results in increased volatility, which means that the Fund will have the potential for greater losses than if the Fund does not use the derivative instruments that have a leveraging effect. Leverage may result in losses that exceed the amount originally invested and may accelerate the rates of losses. Leverage tends to magnify, sometimes significantly, the effect of any increase or decrease in the Fund's exposure to an asset or class of assets and may cause the Fund's NAV to be volatile.

Liquidity Risk
The Fund is susceptible to the risk that certain investments held by the Fund may have limited marketability or be subject to restrictions on sale, and may be difficult to sell at favorable times or prices. The Fund could lose money if it is unable to dispose of an investment at a time that is most beneficial to the Fund. For example, the Fund may be forced to sell certain investments at unfavorable prices to meet redemption requests or other cash needs.

Market Direction Risk
Since the Fund will typically hold both long and short positions, an investment in the Fund will involve market risks associated with different types of investment decisions than those made for a typical "long only" fund. The Fund's results could suffer both when there is a general market advance and the Fund holds significant "short" positions, and when there is a general market decline and the Fund holds significant "long" positions.

Market Risk
Since the financial crisis that started in 2008, the U.S. and many foreign economies continue to experience its after-effects, which have resulted, and may continue to result, in fixed income instruments experiencing unusual liquidity issues, increased price volatility and, in some cases, credit downgrades and increased likelihood of default. These events have reduced the willingness and ability of some lenders to extend credit, and have made it more difficult for some borrowers to obtain financing on attractive terms, if at all. In addition, global economies and financial markets are becoming increasingly interconnected, which increases the possibilities that conditions in one country or region might adversely impact issuers in a different country or region. The severity or duration of adverse economic conditions may also be affected by policy changes made by governments or quasi-governmental organizations.

In addition, political events within the U.S. and abroad may affect investor and consumer confidence and may adversely impact financial markets and the broader economy, perhaps suddenly and to a significant degree. High public debt in the U.S. and other countries creates ongoing systemic and market risks and policymaking uncertainty. Because the impact on the markets has been widespread, it may be difficult to identify both risks and opportunities using past models of the interplay of market forces, or to predict the duration of these market conditions. Interest rates have been unusually low in recent years in the U.S. and abroad. Because there is little precedent for this situation, it is difficult to predict the impact on various markets of a significant rate increase, whether brought about by U.S. policy makers or by dislocations in world markets. In addition, there is a risk that the prices of goods and services in the U.S. and many foreign economies may decline over time, known as deflation (the opposite of inflation). Deflation may have an adverse effect on stock prices and creditworthiness and may make defaults on debt more likely.

Model and Data Risk
The sub-advisor relies heavily on proprietary trading models ("Models") and both proprietary and external information and market data ("Data") to generate investment strategies, to estimate investment values and to identify specific trade recommendations. The sub-advisor also relies on Models and Data to identify and manage investment risk and to assist in determining appropriate hedging strategies that seek to reduce certain risks.

Models and Data may be extremely complex and may have errors, omissions, imperfections and malfunctions (collectively referred to as "System Events"). More complex Models and Data typically have a higher potential for System Events and may result in investment losses in the Fund. Additionally, investments in derivative securities may increase the risks associated with System Events.

Non-Diversification Risk
The Fund is non-diversified, which means the Fund may focus its investments in the securities of a comparatively small number of issuers. Investment in securities of a limited number of issuers exposes the Fund to greater market risk and potential losses than if assets were diversified among the securities of a greater number of investments.

Obsolescence Risk
The Fund is unlikely to be successful in its quantitative trading strategies unless the assumptions underlying the Models are realistic and either remain realistic and relevant in the future or are adjusted to account for changes in the overall market environment. If such assumptions are inaccurate or become inaccurate and are not promptly adjusted, it is likely that profitable trading signals will not be generated. If and to the extent that the Models do not reflect certain factors, and the sub-advisor does not successfully address such omission through its testing and evaluation and modify the Models accordingly, major losses may result — all of which will be borne by the Fund.

Other Investment Companies Risk
The Fund may invest in shares of other registered investment companies, including exchange-traded funds ("ETFs") and money market funds. To the extent that the Fund invests in shares of other registered investment companies, you will indirectly bear fees and expenses charged by the underlying funds in addition to the Fund's direct fees and expenses and will be subject to the risks associated with investments in those funds. ETF shares may trade at a premium or discount to their net asset value. An ETF that tracks an index may not precisely replicate the returns of its benchmark index.

Repurchase Agreement Risk
The obligations of a counterparty to a repurchase agreement are not guaranteed. The Fund permits various forms of securities as collateral whose values fluctuate and that are not issued or guaranteed by the U.S. Government. There are risks that a counterparty may default at a time when the collateral has declined in value, or a counterparty may become insolvent, which may affect the Fund's right to control the collateral. Repurchase agreements are subject to credit risk.

Risk Management
Risk is an essential part of investing. No risk management program can eliminate the Fund's exposure to adverse events; at best, it can only reduce the possibility that the Fund will be affected by such events, and especially those risks that are not intrinsic to the Fund's investment program.

Risk of Programming and Modelling Error
The success of the sub-advisor's investment strategy depends largely on the effectiveness of its quantitative research model and investment programs. The programs may not react to market events resulting in losses for the Fund. Additionally, programs may become outdated or experience malfunctions which may not be identified by the sub-advisor and therefore may also result in losses to the Fund.

Sector Risk
To the extent the Fund invests more heavily in particular sectors, its performance will be especially sensitive to developments that significantly affect those sectors. Individual sectors may move up and down more than the broader market. The industries that constitute a sector may all react in the same way to economic, political or regulatory events. Because the Fund may hold a limited number of securities, it may at times be substantially over-weighted in certain economic sectors and under-weighted in others. As such, the Fund's performance is likely to be disproportionately affected by the factors influencing those sectors.

Short Position Risk
The Fund's losses are potentially unlimited in a short position transaction because there is potentially no limit on the amount that the security that the Fund is required to purchase may have appreciated. Because the Fund may invest the proceeds of a short sale, another effect of short selling on the Fund is similar to the effect of leverage, in that it amplifies changes in the Fund's net asset value since it increases the exposure of the Fund to the market.

Subsidiary Risk
By investing in the Subsidiary, the Fund is indirectly exposed to the risks associated with the Subsidiary's investments. The derivatives and other investments held by the Subsidiary are generally similar to those that are permitted to be held by the Fund and are subject to the same risks that apply to similar investments if held directly by the Fund. These risks are described elsewhere in this Prospectus. There can be no assurance that the investment objective of the Fund or the Subsidiary will be achieved.

The Subsidiary is not registered under the 1940 Act, and, unless otherwise noted in this Prospectus, is not subject to all the investor protections of the 1940 Act. In addition, changes in the laws of the United States and/or the Cayman Islands could result in the inability of the Fund and/or the Subsidiary to operate as described in this Prospectus and SAI and could adversely affect the Fund's performance.

Tax Risk
To qualify as a regulated investment company under Subchapter M ("RIC"), the Fund must derive at least 90 percent of its gross income for each taxable year from qualifying income, which is described in more detail in the SAI. Income from certain commodity-linked derivative instruments in which the Fund invests is not considered qualifying income. The Fund will therefore restrict its income from direct investments in commodity-linked derivative instruments that do not generate qualifying income, such as commodity-linked swaps, to a maximum of 10 percent of its gross income for each taxable year. The Fund's investment in the Subsidiary is expected to provide the Fund with exposure to the commodities markets within the limitations of the federal tax requirements of Subchapter M.

The Internal Revenue Service ("IRS") has issued a large number of private letter rulings (which the Fund may not cite as precedent) beginning in 2006 that income a RIC derives from a wholly owned foreign subsidiary (such as the Subsidiary) that earns income derived from commodity-linked derivative instruments is qualifying income. The IRS suspended the issuance of new such rulings in July 2011 but has not taken any actions regarding its previously issued rulings. Accordingly, the Fund has not sought to obtain such a ruling and is relying on the advice of counsel regarding the tax treatment of distributions by the Subsidiary to the Fund of such income. The tax treatment of the Fund's commodity-linked investments may be materially adversely affected by future legislation, Treasury regulations, and/or guidance issued by the IRS that could affect whether income from such investments is qualifying income under Subchapter M, or otherwise materially affect the character, timing and/or amount of the Fund's taxable income or any gains and distributions made by the Fund.

U.S. Government Securities and Government-Sponsored Enterprises Risk
A security backed by the U.S. Treasury or the full faith and credit of the United States is guaranteed by the applicable entity only as to the timely payment of interest and principal when held to maturity. The market prices for such securities are not guaranteed and will fluctuate. Additionally, circumstances could arise that would prevent the payment of interest or principal. This could result in losses to the Fund. Securities held by the Fund that are issued by government-sponsored enterprises, such as the Federal National Mortgage Association ("Fannie Mae"), the Federal Home Loan Mortgage Corporation ("Freddie Mac"), Federal Home Loan Banks, Federal Farm Credit Banks, and the Tennessee Valley Authority are not guaranteed by the U.S. Treasury and are not backed by the full faith and credit of the U.S. Government. and no assurance can be given that the U.S. Government will provide financial support if these organizations do not have the funds to meet future payment obligations. U.S. Government securities and securities of government sponsored entities are also subject to credit risk, interest rate risk and market risk.

Valuation Risk
The Fund may value certain assets at a price different from the price at which they can be sold. This risk may be especially pronounced for investments, such as certain derivatives, which may be illiquid or which may become illiquid.

Volatility Risk
The Fund may have investments that appreciate or decrease significantly in value over short periods of time. This may cause the Fund's NAV to experience significant increases or declines in value over short periods of time.

Risk Lose Money [Text]

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There is no assurance that the Fund will achieve its investment objective and you could lose part or all of your investment in the Fund.

Bar Chart and Performance Table [Heading]

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Fund Performance

Bar Chart [Heading]

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Calendar year total returns for Investor Class Shares. Year Ended 12/31

Performance Table Heading

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Average annual total returns for periods ended December 31, 2015

Performance Table Uses Highest Federal Rate

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After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local income taxes.

Performance Table Explanation after Tax Higher

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The return after taxes on distributions and sale of Fund shares may exceed the return before taxes due to an assumed tax benefit from any losses on a sale of Fund shares at the end of the measurement period.

Performance Information Illustrates Variability of Returns [Text]

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The bar chart and table below provide an indication of risk by showing how the Fund's performance has varied from year to year. The table shows how the Fund's performance compares to a broad-based market index.

Performance Availability Website Address [Text]

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www.americanbeaconfunds.com

Prospectus:

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Since Inception

rr_AverageAnnualReturnSinceInception

0.05%

Prospectus:

rr_ProspectusTable

Maximum deferred sales charge (as a percentage of the lower of original offering price or redemption proceeds)

rr_MaximumDeferredSalesChargeOverOther

0.50%

^[1]

Distribution (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

0.25%

Acquired Fund Fees and Expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.01%

Fee Waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.61%)

^[3]

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

$ 762

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

1,806

Inception Date of Class

rr_AverageAnnualReturnInceptionDate

Aug. 19, 2014

Since Inception

rr_AverageAnnualReturnSinceInception

8.28%

Prospectus:

rr_ProspectusTable

Maximum deferred sales charge (as a percentage of the lower of original offering price or redemption proceeds)

rr_MaximumDeferredSalesChargeOverOther

1.00%

Distribution (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

1.00%

Acquired Fund Fees and Expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.01%

Fee Waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.63%)

^[3]

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

$ 373

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

1,682

Expense Example, No Redemption, 1 Year

rr_ExpenseExampleNoRedemptionYear01

273

Expense Example, No Redemption, 5 Years

rr_ExpenseExampleNoRedemptionYear05

1,682

Inception Date of Class

rr_AverageAnnualReturnInceptionDate

Aug. 19, 2014

Since Inception

rr_AverageAnnualReturnSinceInception

7.46%

Prospectus:

rr_ProspectusTable

Maximum deferred sales charge (as a percentage of the lower of original offering price or redemption proceeds)

rr_MaximumDeferredSalesChargeOverOther

none

Distribution (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

none

Acquired Fund Fees and Expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.01%

Fee Waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.64%)

^[3]

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

$ 168

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

1,167

Inception Date of Class

rr_AverageAnnualReturnInceptionDate

Aug. 19, 2014

Since Inception

rr_AverageAnnualReturnSinceInception

8.59%

Prospectus:

rr_ProspectusTable

Maximum deferred sales charge (as a percentage of the lower of original offering price or redemption proceeds)

rr_MaximumDeferredSalesChargeOverOther

none

Distribution (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

none

Acquired Fund Fees and Expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.01%

Fee Waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.71%)

^[3]

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

$ 158

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

1,145

Inception Date of Class

rr_AverageAnnualReturnInceptionDate

Aug. 19, 2014

Since Inception

rr_AverageAnnualReturnSinceInception

8.73%

Prospectus:

rr_ProspectusTable

Maximum deferred sales charge (as a percentage of the lower of original offering price or redemption proceeds)

rr_MaximumDeferredSalesChargeOverOther

none

Distribution (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

none

Acquired Fund Fees and Expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.01%

Fee Waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.48%)

^[3]

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

$ 196

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

1,242

Annual Return 2015

rr_AnnualReturn2015

(1.54%)

Highest Quarterly Return

rr_BarChartHighestQuarterlyReturn

5.75%

Lowest Quarterly Return, Label

rr_LowestQuarterlyReturnLabel

Lowest Quarterly Return: -6.35% 2nd Quarter 2015 1/01/2015 through 12/31/2015

Lowest Quarterly Return, Date

rr_BarChartLowestQuarterlyReturnDate

Jun. 30, 2015

1 Year

rr_AverageAnnualReturnYear01

(1.54%)

Inception Date of Class

rr_AverageAnnualReturnInceptionDate

Aug. 19, 2014

Since Inception

rr_AverageAnnualReturnSinceInception

6.44%

Prospectus:

rr_ProspectusTable

1 Year

rr_AverageAnnualReturnYear01

(0.36%)

Objective [Heading]

rr_ObjectiveHeading

Investment Objective

Expense [Heading]

rr_ExpenseHeading

Fees and Expenses of the Fund

Expense Breakpoint Discounts [Text]

rr_ExpenseBreakpointDiscounts

You may qualify for sales discounts if you and your eligible family members invest, or agree to invest in the future, at least $50,000 in all classes of the American Beacon Funds on an aggregated basis.

Shareholder Fees Caption [Text]

rr_ShareholderFeesCaption

Shareholder Fees (fees paid directly from your investment)

Fee Waiver or Reimbursement over Assets, Date of Termination

rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination

April 30, 2017

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

rr_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees

The Total Annual Fund Operating Expenses do not correlate to the ratio of expenses to average net assets provided in the Fund's Financial Highlights table, which reflects the operating expenses of the Fund and does not include Acquired Fund Fees and Expenses.

Expense Example Narrative [Text Block]

rr_ExpenseExampleNarrativeTextBlock

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same, except that this example reflects the fee waiver/expense reimbursement arrangement for each share class through April 30, 2017. Although your actual costs may be higher or lower, based on these assumptions, your costs would be:

Portfolio Turnover [Heading]

rr_PortfolioTurnoverHeading

Portfolio Turnover

Portfolio Turnover, Rate

rr_PortfolioTurnoverRate

54.00%

Strategy Narrative [Text Block]

rr_StrategyNarrativeTextBlock

Under normal circumstances, at least 80% of the Fund's net assets (plus the amount of any borrowings for investment purposes) are invested in securities of small capitalization companies. The Fund considers a company to be a small capitalization company if it has a market capitalization, at the time of investment, within the range of the market capitalizations of the companies in the Russell 2000 Index. The capitalization range of that index is subject to change over time due to market activity or changes in the composition of the index. As of January 31, 2016, the market capitalizations of the companies in the Russell 2000 Index ranged from $2 million to $5.4 billion.

The Fund's investment sub-advisor, Bahl & Gaynor Inc., d/b/a Bahl & Gaynor Investment Counsel ("Bahl & Gaynor") pursues its small cap growth strategy by focusing on high-quality dividend-paying stocks. Quantitative tools are initially used for screening purposes, but Bahl & Gaynor's investment process is primarily driven by fundamental, bottom-up, company-focused processes. The investment process begins by quantitatively screening the stock universe to identify companies with perceived competitive advantages by evaluating their historical revenue growth, earnings growth, long-term debt/capital, dividend history and cash flows. The sub-advisor conducts extensive fundamental research on potential portfolio companies to determine which stock(s) provide the best risk/reward opportunities for inclusion in the portfolio. The sub-advisor typically will sell an investment if the company's fundamentals have changed or the company's market capitalization (stock market worth) moves outside of the small cap range.

The Fund's equity investments may include common stocks, depositary receipts, and real estate investments trusts ("REITs").

The Fund may invest cash balances in other investment companies, including money market funds and may purchase and sell futures contracts to gain market exposure on cash balances and in anticipation of liquidity needs. The Fund may lend its securities to broker-dealers and other institutions to earn additional income.

Risk Narrative [Text Block]

rr_RiskNarrativeTextBlock

There is no assurance that the Fund will achieve its investment objective and you could lose part or all of your investment in the Fund. The Fund is not designed for investors who need an assured level of income and is intended to be a long-term investment. The Fund is not a complete investment program and may not be appropriate for all investors. Investors should carefully consider their own investment goals and risk tolerance before investing in the Fund. The principal risks of investing in the Fund are:

Equity Investments Risk
Equity securities are subject to market risk. The Fund's investments in equity securities may include common stocks, depositary receipts, and REITs. Such investments may expose the Fund to additional risks. The value of a company's common stock may fall as a result of factors affecting the company, companies in the same industry or sector, or the financial markets overall. Common stock generally is subordinate to preferred stock upon the liquidation or bankruptcy of the issuing company. Investments in depositary receipts are subject to certain of the risks associated with investing directly in foreign securities, including, but not limited to, currency fluctuations and political and financial instability in the home country of a particular depositary receipt. REITs are subject to the risks associated with investing in the real estate industry such as adverse developments affecting the real estate industry and real property values.

Dividend Risk
An issuer of stock held by the Fund may choose not to declare a dividend or the dividend rate might not remain at current levels. Dividend paying stocks might not experience the same level of earnings growth or capital appreciation as non-dividend paying stocks.

Foreign Investing Risk
Non U.S. investments carry potential risks not associated with U.S. investments. Such risks include, but are not limited to: (1) currency exchange rate fluctuations, (2) political and financial instability, (3) less liquidity and greater volatility, (4) lack of uniform accounting, auditing and financial reporting standards; (5) increased price volatility; (6) less government regulation and supervision of foreign stock exchanges, brokers and listed companies; and (7) delays in transaction settlement in some foreign markets.

Futures Contract Risk
Futures contracts are derivative investments pursuant to a contract with a counterparty to pay a fixed price for an agreed amount of securities or other underlying assets at an agreed date. The use of such derivative instruments may expose the Fund to additional risks that it would not be subject to if it invested directly in the securities underlying those derivatives. Futures contracts may experience dramatic price changes (losses) and imperfect correlation between the price of the contract and the underlying security or index which will increase the volatility of the Fund and may involve a small investment of cash (the amount of initial and variation margin) relative to the magnitude of the risk assumed (the potential increase or decrease in the price of the futures contract).

Growth Companies Risk
Growth companies are expected to increase their earnings at a certain rate. When these expectations are not met, the prices of these stocks may go down, even if earnings showed an absolute increase. Growth company stocks may lack the dividend yield that can cushion stock prices in market downturns.

Investment Risk
An investment in the Fund is not a deposit with a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. When you sell your shares of the Fund, they could be worth less than what you paid for them. Therefore, you may lose money by investing in the Fund.

Issuer Risk
The value of, and/or the return generated by, a security may decline for a number of reasons which directly relate to the issuer, such as management performance, financial leverage and reduced demand for the issuer's goods or services, as well as the historical and prospective earnings of the issuer and the value of its assets.

Market Risk
Since the financial crisis that started in 2008, the U.S. and many foreign economies continue to experience its after-effects, which have resulted, and may continue to result, in an unusually high degree of volatility in the financial markets, both domestic and foreign. In addition, global economies and financial markets are becoming increasingly interconnected, which increases the possibilities that conditions in one country or region might adversely impact issuers in a different country or region. The severity or duration of adverse economic conditions may also be affected by policy changes made by governments or quasi-governmental organizations. In addition, political events within the U.S. and abroad may affect investor and consumer confidence and may adversely impact financial markets and the broader economy, perhaps suddenly and to a significant degree. High public debt in the U.S. and other countries creates ongoing systemic and market risks and policymaking uncertainty. Because the impact on the markets has been widespread, it may be difficult to identify both risks and opportunities using past models of the interplay of market forces, or to predict the duration of these market conditions. Interest rates have been unusually low in recent years in the U.S. and abroad. Because there is little precedent for this situation, it is difficult to predict the impact of a rate increase on various markets. In addition, there is a risk that the prices of goods and services in the U.S. and many foreign economies may decline over time, known as deflation (the opposite of inflation). Deflation may have an adverse effect on stock prices and creditworthiness and may make defaults on debt more likely.

Model and Data Risk
Models and data are used to screen potential investments for the Fund. When models or data prove to be incorrect or incomplete, any decisions made in reliance thereon expose the Fund to potential risks. Some of the models used by the sub-advisor are predictive in nature. The use of predictive models has inherent risks. Because predictive models are usually constructed based on historical data supplied by third parties, the success of relying on such models may depend heavily on the accuracy and reliability of the supplied historical data.

Other Investment Companies Risk
The Fund may invest in shares of other registered investment companies, including money market funds. To the extent that the Fund invests in shares of other registered investment companies, the Fund will indirectly bear the fees and expenses charged by the underlying funds in addition to the Fund's direct fees and expenses and will be subject to the risks associated with investments in those funds. For example, money market funds are subject to interest rate risk, credit risk, and market risk.

Sector Risk
Sector risk is the risk associated with the Fund holding a significant amount of investments in similar businesses, which could be affected by the same economic or market conditions.

Securities Lending Risk
To the extent the Fund lends its securities, it may be subject to the following risks. Borrowers of the Fund's securities typically provide collateral in the form of cash that is reinvested in securities. The securities in which the collateral is invested may not perform sufficiently to cover the return collateral payments owed to borrowers. In addition, delays may occur in the recovery of securities from borrowers, which could interfere with the Fund's ability to vote proxies or to settle transactions.

Securities Selection Risk
Securities selected by the sub-advisor or the Manager for the Fund may not perform to expectations. This could result in the Fund's underperformance compared to other funds with similar investment objectives.

Small Capitalization Companies Risk
Investing in the securities of small capitalization companies involves greater risk and the possibility of greater price volatility than investing in larger capitalization and more established companies. Since smaller companies may have limited operating history, product lines, and financial resources, the securities of these companies may lack sufficient market liquidity, and they can be particularly sensitive to expected changes in interest rates, borrowing costs and earnings.

Risk Not Insured Depository Institution [Text]

rr_RiskNotInsuredDepositoryInstitution

An investment in the Fund is not a deposit with a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.

Performance Narrative [Text Block]

rr_PerformanceNarrativeTextBlock

The bar chart and table below provide an indication of risk by showing how the Fund's performance has varied from year to year. The table shows how the Fund's performance compares to a broad-based market index, which is the Fund's benchmark index. You may obtain updated performance information on the Fund's website at www.americanbeaconfunds.com. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.

Bar Chart Closing [Text Block]

rr_BarChartClosingTextBlock

Highest Quarterly Return:
4.12%1st Quarter 2015
1/1/2015 through 12/31/2015

Lowest Quarterly Return:
-8.89% 3rd Quarter 2015
1/1/2015 through 12/31/2015

Performance Table Closing [Text Block]

rr_PerformanceTableClosingTextBlock

After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local income taxes. Actual after-tax returns depend on an investor's tax situation and may differ from those shown. The return after taxes on distributions and sale of Fund shares may exceed the return before taxes due to an assumed tax benefit from any losses on a sale of Fund shares at the end of the measurement period. If you hold your Fund shares through a tax-deferred arrangement, such as an individual retirement account or a 401(k) plan, the after-tax returns do not apply to your situation. After-tax returns are shown only for Investor Class shares; after-tax returns for other share classes will vary.

Performance Table Not Relevant to Tax Deferred

rr_PerformanceTableNotRelevantToTaxDeferred

If you hold your Fund shares through a tax-deferred arrangement, such as an individual retirement account or a 401(k) plan, the after-tax returns do not apply to your situation.

Performance Past Does Not Indicate Future [Text]

rr_PerformancePastDoesNotIndicateFuture

Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.

Performance Table One Class of after Tax Shown [Text]

rr_PerformanceTableOneClassOfAfterTaxShown

After-tax returns are shown only for Investor Class shares; after-tax returns for other share classes will vary.

1 Year

rr_AverageAnnualReturnYear01

(1.38%)

Maximum sales charge imposed on purchases (as a percentage of offering price)

rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice

5.75%

Management Fees

rr_ManagementFeesOverAssets

0.56%

Other Expenses

rr_OtherExpensesOverAssets

2.07%

Total Annual Fund Operating Expenses

rr_ExpensesOverAssets

2.89%

^[5]

Total Annual Fund Operating Expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

1.39%

Expense Example, with Redemption, 3 Years

rr_ExpenseExampleYear03

1,284

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

$ 3,502

1 Year

rr_AverageAnnualReturnYear01

(3.34%)

Maximum sales charge imposed on purchases (as a percentage of offering price)

rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice

none

Management Fees

rr_ManagementFeesOverAssets

0.56%

Other Expenses

rr_OtherExpensesOverAssets

2.28%

Total Annual Fund Operating Expenses

rr_ExpensesOverAssets

3.85%

^[5]

Total Annual Fund Operating Expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

2.14%

Expense Example, with Redemption, 3 Years

rr_ExpenseExampleYear03

1,018

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

3,971

Expense Example, No Redemption, 3 Years

rr_ExpenseExampleNoRedemptionYear03

1,018

Expense Example, No Redemption, 10 Years

rr_ExpenseExampleNoRedemptionYear10

$ 3,971

1 Year

rr_AverageAnnualReturnYear01

(4.01%)

Maximum sales charge imposed on purchases (as a percentage of offering price)

rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice

none

Management Fees

rr_ManagementFeesOverAssets

0.56%

Other Expenses

rr_OtherExpensesOverAssets

2.20%

Total Annual Fund Operating Expenses

rr_ExpensesOverAssets

2.77%

^[5]

Total Annual Fund Operating Expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

1.09%

Expense Example, with Redemption, 3 Years

rr_ExpenseExampleYear03

700

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

$ 2,977

1 Year

rr_AverageAnnualReturnYear01

(3.05%)

Maximum sales charge imposed on purchases (as a percentage of offering price)

rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice

none

Management Fees

rr_ManagementFeesOverAssets

0.56%

Other Expenses

rr_OtherExpensesOverAssets

2.48%

Total Annual Fund Operating Expenses

rr_ExpensesOverAssets

3.05%

^[5]

Total Annual Fund Operating Expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

0.99%

Expense Example, with Redemption, 3 Years

rr_ExpenseExampleYear03

748

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

$ 3,220

1 Year

rr_AverageAnnualReturnYear01

(2.96%)

Maximum sales charge imposed on purchases (as a percentage of offering price)

rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice

none

Management Fees

rr_ManagementFeesOverAssets

0.56%

Other Expenses

rr_OtherExpensesOverAssets

2.63%

Total Annual Fund Operating Expenses

rr_ExpensesOverAssets

3.20%

^[5]

Total Annual Fund Operating Expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

1.37%

Expense Example, with Redemption, 3 Years

rr_ExpenseExampleYear03

815

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

$ 3,377

Highest Quarterly Return, Label

rr_HighestQuarterlyReturnLabel

Highest Quarterly Return: 4.12% 1st Quarter 2015 1/1/2015 through 12/31/2015

Highest Quarterly Return, Date

rr_BarChartHighestQuarterlyReturnDate

Mar. 31, 2015

Lowest Quarterly Return

rr_BarChartLowestQuarterlyReturn

(8.89%)

Inception Date of Class

rr_AverageAnnualReturnInceptionDate

Jul. 15, 2014

Since Inception

rr_AverageAnnualReturnSinceInception

2.45%

Prospectus:

rr_ProspectusTable

1 Year

rr_AverageAnnualReturnYear01

(3.74%)

Inception Date of Class

rr_AverageAnnualReturnInceptionDate

Jul. 15, 2014

Since Inception

rr_AverageAnnualReturnSinceInception

1.87%

Prospectus:

rr_ProspectusTable

Objective, Primary [Text Block]

rr_ObjectivePrimaryTextBlock

The Fund seeks to provide long-term total return on capital, primarily through capital appreciation and some income.

Expense Narrative [Text Block]

rr_ExpenseNarrativeTextBlock

This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund. You may qualify for sales discounts if you and your eligible family members invest, or agree to invest in the future, at least $50,000 in all classes of the American Beacon Funds on an aggregated basis. More information about these and other discounts is available from your financial professional and in "Choosing Your Share Class" on page 29 of the Prospectus and "Additional Purchase and Sale Information for A Class Shares" on page 36 of the statement of additional information ("SAI").

Expense Breakpoint, Minimum Investment Required [Amount]

rr_ExpenseBreakpointMinimumInvestmentRequiredAmount

$ 50,000

Operating Expenses Caption [Text]

rr_OperatingExpensesCaption

Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)

Expense Example [Heading]

rr_ExpenseExampleHeading

Example

Expense Example, No Redemption, By Year, Caption [Text]

rr_ExpenseExampleNoRedemptionByYearCaption

Assuming no redemption of shares:

Portfolio Turnover [Text Block]

rr_PortfolioTurnoverTextBlock

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 43% of the average value of its portfolio.

Strategy [Heading]

rr_StrategyHeading

Principal Investment Strategies

Risk [Heading]

rr_RiskHeading

Principal Risks

Risk Lose Money [Text]

rr_RiskLoseMoney

There is no assurance that the Fund will achieve its investment objective and you could lose part or all of your investment in the Fund.

Bar Chart and Performance Table [Heading]

rr_BarChartAndPerformanceTableHeading

Fund Performance

Bar Chart [Heading]

rr_BarChartHeading

Calendar year total returns for Investor Class Shares. Year Ended 12/31

Performance Table Heading

rr_PerformanceTableHeading

Average annual total returns for periods ended December 31, 2015

Performance Table Uses Highest Federal Rate

rr_PerformanceTableUsesHighestFederalRate

After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local income taxes.

Performance Table Explanation after Tax Higher

rr_PerformanceTableExplanationAfterTaxHigher

The return after taxes on distributions and sale of Fund shares may exceed the return before taxes due to an assumed tax benefit from any losses on a sale of Fund shares at the end of the measurement period.

Performance Information Illustrates Variability of Returns [Text]

rr_PerformanceInformationIllustratesVariabilityOfReturns

The bar chart and table below provide an indication of risk by showing how the Fund's performance has varied from year to year. The table shows how the Fund's performance compares to a broad-based market index

Performance Availability Website Address [Text]

rr_PerformanceAvailabilityWebSiteAddress

www.americanbeaconfunds.com

Prospectus:

rr_ProspectusTable

5 Years

rr_AverageAnnualReturnYear05

11.27%

Maximum sales charge imposed on purchases (as a percentage of offering price)

rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice

5.75%

Management Fees

rr_ManagementFeesOverAssets

0.37%

Other Expenses

rr_OtherExpensesOverAssets

0.50%

Fee Waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

none

^[7]

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

$ 683

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

1,157

1 Year

rr_AverageAnnualReturnYear01

(1.56%)

10 Years

rr_AverageAnnualReturnYear10

7.52%

Prospectus:

rr_ProspectusTable

Maximum deferred sales charge (as a percentage of the lower of original offering price or redemption proceeds)

rr_MaximumDeferredSalesChargeOverOther

1.00%

Distribution (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

1.00%

Total Annual Fund Operating Expenses

rr_ExpensesOverAssets

1.87%

Total Annual Fund Operating Expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

1.87%

Expense Example, with Redemption, 3 Years

rr_ExpenseExampleYear03

588

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

2,192

Expense Example, No Redemption, 3 Years

rr_ExpenseExampleNoRedemptionYear03

588

Expense Example, No Redemption, 10 Years

rr_ExpenseExampleNoRedemptionYear10

$ 2,192

5 Years

rr_AverageAnnualReturnYear05

12.42%

Maximum sales charge imposed on purchases (as a percentage of offering price)

rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice

none

Management Fees

rr_ManagementFeesOverAssets

0.37%

Other Expenses

rr_OtherExpensesOverAssets

0.44%

Fee Waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

none

^[7]

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

$ 83

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

450

1 Year

rr_AverageAnnualReturnYear01

(1.26%)

10 Years

rr_AverageAnnualReturnYear10

7.67%

Prospectus:

rr_ProspectusTable

Maximum deferred sales charge (as a percentage of the lower of original offering price or redemption proceeds)

rr_MaximumDeferredSalesChargeOverOther

none

Distribution (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

none

Total Annual Fund Operating Expenses

rr_ExpensesOverAssets

0.75%

Total Annual Fund Operating Expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

0.79%

Expense Example, with Redemption, 3 Years

rr_ExpenseExampleYear03

244

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

$ 933

5 Years

rr_AverageAnnualReturnYear05

13.42%

Maximum sales charge imposed on purchases (as a percentage of offering price)

rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice

none

Management Fees

rr_ManagementFeesOverAssets

0.37%

Other Expenses

rr_OtherExpensesOverAssets

0.72%

Fee Waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

none

^[7]

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

$ 111

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

601

Annual Return 2006

rr_AnnualReturn2006

18.52%

Annual Return 2008

rr_AnnualReturn2008

(36.83%)

Annual Return 2010

rr_AnnualReturn2010

14.51%

Annual Return 2012

rr_AnnualReturn2012

17.68%

Annual Return 2014

rr_AnnualReturn2014

13.89%

Highest Quarterly Return, Label

rr_HighestQuarterlyReturnLabel

Highest Quarterly Return: 17.15% 3rd Quarter 2009 1/1/2006 through 12/31/2015

Highest Quarterly Return, Date

rr_BarChartHighestQuarterlyReturnDate

Sep. 30, 2009

Lowest Quarterly Return

rr_BarChartLowestQuarterlyReturn

(18.26%)

1 Year

rr_AverageAnnualReturnYear01

(1.51%)

10 Years

rr_AverageAnnualReturnYear10

7.57%

Prospectus:

rr_ProspectusTable

5 Years

rr_AverageAnnualReturnYear05

12.65%

1 Year

rr_AverageAnnualReturnYear01

(0.22%)

10 Years

rr_AverageAnnualReturnYear10

6.15%

Prospectus:

rr_ProspectusTable

Objective, Primary [Text Block]

rr_ObjectivePrimaryTextBlock

The Fund primarily seeks long-term growth of capital. The receipt of dividend income is a secondary consideration.

Expense Narrative [Text Block]

rr_ExpenseNarrativeTextBlock

This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund. You may qualify for sales discounts if you and your eligible family members invest, or agree to invest in the future, at least $50,000 in all classes of the American Beacon Funds on an aggregated basis. More information about these and other discounts is available from your financial professional and in "Choosing Your Share Class" on page 29 of the Prospectus and "Additional Purchase and Sale Information for A Class Shares" on page 36 of the statement of additional information ("SAI").

Expense Breakpoint, Minimum Investment Required [Amount]

rr_ExpenseBreakpointMinimumInvestmentRequiredAmount

$ 50,000

Operating Expenses Caption [Text]

rr_OperatingExpensesCaption

Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)

Expenses Deferred Charges [Text Block]

rr_ExpensesDeferredChargesTextBlock

A contingent deferred sales charge ("CDSC") of 0.50% will be charged on certain purchases of $1,000,000 or more of A Class shares that are redeemed in whole or part within 18 months of purchase.

Expense Example [Heading]

rr_ExpenseExampleHeading

Example

Expense Example, No Redemption, By Year, Caption [Text]

rr_ExpenseExampleNoRedemptionByYearCaption

Assuming no redemption of shares:

Portfolio Turnover [Text Block]

rr_PortfolioTurnoverTextBlock

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 24% of the average value of its portfolio.

Strategy [Heading]

rr_StrategyHeading

Principal Investment Strategies

Risk [Heading]

rr_RiskHeading

Principal Risks

Risk Lose Money [Text]

rr_RiskLoseMoney

There is no assurance that the Fund will achieve its investment objective and you could lose part or all of your investment in the Fund.

Bar Chart and Performance Table [Heading]

rr_BarChartAndPerformanceTableHeading

Fund Performance

Bar Chart [Heading]

rr_BarChartHeading

Calendar year total returns for Investor Class Shares. Year Ended 12/31

Performance Table Heading

rr_PerformanceTableHeading

Average annual total returns for periods ended December 31, 2015

Performance Table Uses Highest Federal Rate

rr_PerformanceTableUsesHighestFederalRate

After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local income taxes.

Performance Table Explanation after Tax Higher

rr_PerformanceTableExplanationAfterTaxHigher

The return after taxes on distributions and sale of Fund shares may exceed the return before taxes due to an assumed tax benefit from any losses on a sale of Fund shares at the end of the measurement period.

Performance Information Illustrates Variability of Returns [Text]

rr_PerformanceInformationIllustratesVariabilityOfReturns

The bar chart and table below provide an indication of risk by showing how the Fund's performance has varied from year to year. The table shows how the Fund's performance compares to a broad-based market index

Performance Availability Website Address [Text]

rr_PerformanceAvailabilityWebSiteAddress

www.americanbeaconfunds.com

Prospectus:

rr_ProspectusTable

5 Years

rr_AverageAnnualReturnYear05

13.53%

Maximum sales charge imposed on purchases (as a percentage of offering price)

rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice

5.75%

Management Fees

rr_ManagementFeesOverAssets

0.45%

Other Expenses

rr_OtherExpensesOverAssets

0.59%

Total Annual Fund Operating Expenses

rr_ExpensesOverAssets

1.30%

^[5]

Total Annual Fund Operating Expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

1.30%

Expense Example, with Redemption, 3 Years

rr_ExpenseExampleYear03

963

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

$ 2,052

1 Year

rr_AverageAnnualReturnYear01

6.28%

10 Years

rr_AverageAnnualReturnYear10

7.52%

Prospectus:

rr_ProspectusTable

Maximum deferred sales charge (as a percentage of the lower of original offering price or redemption proceeds)

rr_MaximumDeferredSalesChargeOverOther

1.00%

Distribution (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

1.00%

Acquired Fund Fees and Expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.01%

Fee Waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.01%)

^[8]

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

$ 308

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

1,108

Expense Example, No Redemption, 1 Year

rr_ExpenseExampleNoRedemptionYear01

208

Expense Example, No Redemption, 5 Years

rr_ExpenseExampleNoRedemptionYear05

1,108

Inception Date of Class

rr_AverageAnnualReturnInceptionDate

Mar. 23, 2012

5 Years

rr_AverageAnnualReturnYear05

11.03%

Maximum sales charge imposed on purchases (as a percentage of offering price)

rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice

none

Management Fees

rr_ManagementFeesOverAssets

0.45%

Other Expenses

rr_OtherExpensesOverAssets

0.63%

Total Annual Fund Operating Expenses

rr_ExpensesOverAssets

1.09%

^[5]

Total Annual Fund Operating Expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

1.00%

Expense Example, with Redemption, 3 Years

rr_ExpenseExampleYear03

338

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

$ 1,321

1 Year

rr_AverageAnnualReturnYear01

6.53%

10 Years

rr_AverageAnnualReturnYear10

7.69%

Prospectus:

rr_ProspectusTable

Maximum deferred sales charge (as a percentage of the lower of original offering price or redemption proceeds)

rr_MaximumDeferredSalesChargeOverOther

none

Distribution (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

none

Acquired Fund Fees and Expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.01%

Fee Waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.01%)

^[8]

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

$ 91

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

493

Inception Date of Class

rr_AverageAnnualReturnInceptionDate

Mar. 01, 2010

5 Years

rr_AverageAnnualReturnYear05

12.11%

Maximum sales charge imposed on purchases (as a percentage of offering price)

rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice

none

Management Fees

rr_ManagementFeesOverAssets

0.45%

Other Expenses

rr_OtherExpensesOverAssets

0.79%

Total Annual Fund Operating Expenses

rr_ExpensesOverAssets

1.25%

^[5]

Total Annual Fund Operating Expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

1.25%

Expense Example, with Redemption, 3 Years

rr_ExpenseExampleYear03

397

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

$ 1,511

Annual Return 2007

rr_AnnualReturn2007

9.40%

Annual Return 2009

rr_AnnualReturn2009

39.07%

Annual Return 2011

rr_AnnualReturn2011

3.33%

Annual Return 2013

rr_AnnualReturn2013

32.21%

Annual Return 2015

rr_AnnualReturn2015

6.35%

Highest Quarterly Return

rr_BarChartHighestQuarterlyReturn

17.07%

Lowest Quarterly Return, Label

rr_LowestQuarterlyReturnLabel

Lowest Quarterly Return: -21.57% 4th Quarter 2008 1/1/2006 through 12/31/2015

Lowest Quarterly Return, Date

rr_BarChartLowestQuarterlyReturnDate

Dec. 31, 2008

5 Years

rr_AverageAnnualReturnYear05

11.76%

1 Year

rr_AverageAnnualReturnYear01

3.73%

10 Years

rr_AverageAnnualReturnYear10

6.63%

Prospectus:

rr_ProspectusTable

5 Years

rr_AverageAnnualReturnYear05

9.36%

Objective [Heading]

rr_ObjectiveHeading

Investment Objective

Expense [Heading]

rr_ExpenseHeading

Fees and Expenses of the Fund

Expense Breakpoint Discounts [Text]

rr_ExpenseBreakpointDiscounts

You may qualify for sales discounts if you and your eligible family members invest, or agree to invest in the future, at least $50,000 in all classes of the American Beacon Funds on an aggregated basis.

Shareholder Fees Caption [Text]

rr_ShareholderFeesCaption

Shareholder Fees (fees paid directly from your investment)

Fee Waiver or Reimbursement over Assets, Date of Termination

rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination

April 30, 2017

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

rr_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees

The Total Annual Fund Operating Expenses do not correlate to the ratio of expenses to average net assets provided in the Fund's Financial Highlights table, which reflects the operating expenses of the Fund and does not include Acquired Fund Fees and Expenses.

Expense Example Narrative [Text Block]

rr_ExpenseExampleNarrativeTextBlock

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same, except that the example reflects the fee waiver/expense reimbursement arrangement for the Institutional Class through April 30, 2017. Although your actual costs may be higher or lower, based on these assumptions, your costs would be:

Portfolio Turnover [Heading]

rr_PortfolioTurnoverHeading

Portfolio Turnover

Portfolio Turnover, Rate

rr_PortfolioTurnoverRate

19.00%

Strategy Narrative [Text Block]

rr_StrategyNarrativeTextBlock

Under normal circumstances, the Fund invests at least 80% of its net assets (plus any borrowings for investment purposes) in equity securities of medium capitalization companies. The Fund considers a company to be a medium capitalization company if it has a market capitalization (stock market worth), at the time of investment, between $1 billion and the market capitalization of the largest company in the Russell Midcap® Index, which was $28.8 billion as of January 31, 2016.

Most of the assets of the Fund are invested in U.S. common stocks that Stephens Investment Management Group, LLC ("SIMG") believes have clear indicators of future earnings growth, or that demonstrate other potential for growth of capital. The Fund may invest in other securities, including preferred stock, securities convertible into common stock, U.S dollar denominated foreign stock traded on U.S. exchanges, American Depositary Receipts ("ADRs") and real estate investment trusts ("REITs"). In selecting companies for the Fund, SIMG employs quantitative analysis and fundamental research with a focus on earnings growth. SIMG will sell a security when appropriate and consistent with the Fund's investment objectives and policies.

The Fund may also invest cash balances in other investment companies, including money market funds, and may lend its securities to broker-dealers and other institutions to earn additional income.

Risk Narrative [Text Block]

rr_RiskNarrativeTextBlock

There is no assurance that the Fund will achieve its investment objective and you could lose part or all of your investment in the Fund. The Fund is not designed for investors who need an assured level of income and is intended to be a long-term investment. The Fund is not a complete investment program and may not be appropriate for all investors. Investors should carefully consider their own investment goals and risk tolerance before investing in the Fund. The principal risks of investing in the Fund are:

Equity Investments Risk
Equity securities are subject to market risk. The Fund's investments in equity securities may include common stocks, preferred stocks, securities convertible into or exchangeable for common stocks, REITs, depositary receipts, and U.S. dollar-denominated foreign stocks traded on U.S. exchanges. Such investments may expose the Fund to additional risks. The value of a company's common stock may fall as a result of factors affecting the company, companies in the same industry or sector, or the financial markets overall. Common stock generally is subordinate to preferred stock upon the liquidation or bankruptcy of the issuing company. Preferred stocks and convertible securities are sensitive to movements in interest rates. Preferred stocks may be less liquid than common stocks and, unlike common stocks, participation in the growth of an issuer may be limited. Distributions on preferred stocks generally are payable at the discretion of an issuer and after required payments to bond holders. Convertible securities are subject to the risk that the credit standing of the issuer may have an effect on the convertible securities' investment value. Investments in REITs are subject to the risks associated with investing in the real estate industry such as adverse developments affecting the real estate industry and real property values. Depositary receipts and U.S. dollar-denominated foreign stocks traded on U.S. exchanges are subject to certain of the risks associated with investing directly in foreign securities, including, but not limited to, currency fluctuations and political and financial instability in the home country of a particular depositary receipt or foreign stock.

Foreign Investing Risk
Non U.S. investments carry potential risks not associated with U.S. investments. Such risks include, but are not limited to: (1) currency exchange rate fluctuations, (2) political and financial instability, (3) less liquidity and greater volatility, (4) lack of uniform accounting, auditing and financial reporting standards; (5) increased price volatility; (6) less government regulation and supervision of foreign stock exchanges, brokers and listed companies; and (7) delays in transaction settlement in some foreign markets.

Growth Companies Risk
Growth companies are expected to increase their earnings at a certain rate. When these expectations are not met, the prices of these stocks may go down, even if earnings showed an absolute increase. Growth company stocks may lack the dividend yield that can cushion stock prices in market downturns.

Investment Risk
An investment in the Fund is not a deposit with a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. When you sell your shares of the Fund, they could be worth less than what you paid for them. Therefore, you may lose money by investing in the Fund.

Issuer Risk
The value of, and/or the return generated by, a security may decline for a number of reasons which directly relate to the issuer, such as management performance, financial leverage and reduced demand for the issuer's goods or services, as well as the historical and prospective earnings of the issuer and the value of its assets.

Market Risk
Since the financial crisis that started in 2008, the U.S. and many foreign economies continue to experience its after-effects, which have resulted, and may continue to result, in an unusually high degree of volatility in the financial markets, both domestic and foreign. In addition, global economies and financial markets are becoming increasingly interconnected, which increases the possibilities that conditions in one country or region might adversely impact issuers in a different country or region. The severity or duration of adverse economic conditions may also be affected by policy changes made by governments or quasi-governmental organizations. In addition, political events within the U.S. and abroad may affect investor and consumer confidence and may adversely impact financial markets and the broader economy, perhaps suddenly and to a significant degree. High public debt in the U.S. and other countries creates ongoing systemic and market risks and policymaking uncertainty. Because the impact on the markets has been widespread, it may be difficult to identify both risks and opportunities using past models of the interplay of market forces, or to predict the duration of these market conditions. Interest rates have been unusually low in recent years in the U.S. and abroad. Because there is little precedent for this situation, it is difficult to predict the impact of a rate increase on various markets. In addition, there is a risk that the prices of goods and services in the U.S. and many foreign economies may decline over time, known as deflation (the opposite of inflation). Deflation may have an adverse effect on stock prices and creditworthiness and may make defaults on debt more likely.

Mid-Capitalization Companies Risk
Investing in the securities of medium capitalization companies involves greater risk and the possibility of greater price volatility than investing in larger capitalization companies and more established companies. These companies may also have more limited operating history, product lines, and financial resources, the securities of these companies may lack sufficient market liquidity, and can be sensitive to expected changes in interest rates, borrowing costs and earnings.

Other Investment Companies Risk
The Fund may invest in shares of other registered investment companies, including money market funds. To the extent that the Fund invests in shares of other registered investment companies, the Fund will indirectly bear the fees and expenses charged by the underlying funds in addition to the Fund's direct fees and expenses and will be subject to the risks associated with investments in those funds. For example, money market funds are subject to interest rate risk, credit risk, and market risk.

Sector Risk
Sector risk is the risk associated with the Fund holding a significant amount of investments in similar businesses, which could be affected by the same economic or market conditions.

Securities Lending Risk
To the extent the Fund lends its securities, it may be subject to the following risks. Borrowers of the Fund's securities typically provide collateral in the form of cash that is reinvested in securities. The securities in which the collateral is invested may not perform sufficiently to cover the return collateral payments owed to borrowers. In addition, delays may occur in the recovery of securities from borrowers, which could interfere with the Fund's ability to vote proxies or to settle transactions.

Securities Selection Risk
Securities selected by the sub-advisor or the Manager for the Fund may not perform to expectations. This could result in the Fund's underperformance compared to other funds with similar investment objectives.

Risk Not Insured Depository Institution [Text]

rr_RiskNotInsuredDepositoryInstitution

An investment in the Fund is not a deposit with a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.

Performance Narrative [Text Block]

rr_PerformanceNarrativeTextBlock

The bar chart and table below provide an indication of risk by showing how the Fund's performance has varied from year to year. The table shows how the Fund's performance compares to a broad-based market index, which is the Fund's benchmark index.

The Investor Class and Institutional Class shares of the Fund have adopted the performance history and financial statements of the Class A and Class I shares, respectively, of the Fund's predecessor. The performance of the Fund's Investor Class shares shown in the chart and table below represents the returns achieved by the Class A shares of the Fund's predecessor from February 1, 2006 to February 24, 2012, and the performance of the Investor Class from February 24, 2012 through December 31, 2015. The table below also shows the performance of the A Class, C Class, Y Class and Institutional Class shares of the Fund. The performance shown for the Institutional Class shares of the Fund represents the performance of the Class I shares from August 31, 2006 to February 24, 2012; and the performance of the Institutional Class shares from February 24, 2012 through December 31, 2015. Returns shown for the Fund's Y Class, A Class and C Class shares represent the returns achieved by the Class A shares of the Fund's predecessor from February 1, 2006 to February 24, 2012, and the performance of the Y Class, A Class and C Class shares, respectively, from February 24, 2012 through December 31, 2015. In each case, the newer share classes would have had similar annual returns to the predecessor Fund's Class A and Class I shares because the shares of each class represent investments in the same portfolio securities. However, the older share classes had different expenses than the newer share classes, which would affect performance. You may obtain updated performance information on the Fund's website at www.americanbeaconfunds.com. Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.

Bar Chart Closing [Text Block]

rr_BarChartClosingTextBlock

Highest Quarterly Return:
16.31% 3rd Quarter 2009
1/1/2007 through 12/31/2015

Lowest Quarterly Return:
-28.39% 4th Quarter 2008
1/1/2007 through 12/31/2015

Performance Table Closing [Text Block]

rr_PerformanceTableClosingTextBlock

After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local income taxes. Actual after-tax returns depend on an investor's tax situation and may differ from those shown. The return after taxes on distributions and sale of Fund shares may exceed the return before taxes due to an assumed tax benefit from any losses on a sale of Fund shares at the end of the measurement period. If you hold your Fund shares through a tax-deferred arrangement, such as an individual retirement account or a 401(k) plan, the after-tax returns do not apply to your situation. After-tax returns are shown only for Investor Class shares; after-tax returns for other share classes will vary.

Performance Table Not Relevant to Tax Deferred

rr_PerformanceTableNotRelevantToTaxDeferred

If you hold your Fund shares through a tax-deferred arrangement, such as an individual retirement account or a 401(k) plan, the after-tax returns do not apply to your situation.

Performance Past Does Not Indicate Future [Text]

rr_PerformancePastDoesNotIndicateFuture

Past performance (before and after taxes) is not necessarily an indication of how the Fund will perform in the future.

Performance Table One Class of after Tax Shown [Text]

rr_PerformanceTableOneClassOfAfterTaxShown

After-tax returns are shown only for Investor Class shares; after-tax returns for other share classes will vary.

1 Year

rr_AverageAnnualReturnYear01

(0.20%)

Since Inception

rr_AverageAnnualReturnSinceInception

7.59%

Prospectus:

rr_ProspectusTable

Maximum deferred sales charge (as a percentage of the lower of original offering price or redemption proceeds)

rr_MaximumDeferredSalesChargeOverOther

0.50%

^[4]

Distribution (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

0.25%

Acquired Fund Fees and Expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.01%

Fee Waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.03%)

^[9]

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

$ 706

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

1,281

1 Year

rr_AverageAnnualReturnYear01

(1.63%)

Since Inception

rr_AverageAnnualReturnSinceInception

6.50%

Prospectus:

rr_ProspectusTable

Maximum deferred sales charge (as a percentage of the lower of original offering price or redemption proceeds)

rr_MaximumDeferredSalesChargeOverOther

1.00%

Distribution (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

1.00%

Acquired Fund Fees and Expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.01%

Fee Waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.03%)

^[9]

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

$ 315

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

1,139

Expense Example, No Redemption, 1 Year

rr_ExpenseExampleNoRedemptionYear01

215

Expense Example, No Redemption, 5 Years

rr_ExpenseExampleNoRedemptionYear05

1,139

1 Year

rr_AverageAnnualReturnYear01

(2.46%)

Since Inception

rr_AverageAnnualReturnSinceInception

6.19%

Prospectus:

rr_ProspectusTable

Maximum deferred sales charge (as a percentage of the lower of original offering price or redemption proceeds)

rr_MaximumDeferredSalesChargeOverOther

none

Distribution (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

none

Acquired Fund Fees and Expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.01%

Fee Waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.03%)

^[9]

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

$ 109

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

589

1 Year

rr_AverageAnnualReturnYear01

(1.39%)

Since Inception

rr_AverageAnnualReturnSinceInception

6.65%

Prospectus:

rr_ProspectusTable

Maximum deferred sales charge (as a percentage of the lower of original offering price or redemption proceeds)

rr_MaximumDeferredSalesChargeOverOther

none

Distribution (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

none

Acquired Fund Fees and Expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.01%

Fee Waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.02%)

^[9]

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

$ 102

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

562

1 Year

rr_AverageAnnualReturnYear01

(1.28%)

Since Inception

rr_AverageAnnualReturnSinceInception

8.28%

Prospectus:

rr_ProspectusTable

Maximum deferred sales charge (as a percentage of the lower of original offering price or redemption proceeds)

rr_MaximumDeferredSalesChargeOverOther

none

Distribution (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

none

Acquired Fund Fees and Expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.01%

Fee Waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.03%)

^[9]

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

$ 135

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

728

Annual Return 2007

rr_AnnualReturn2007

24.44%

Annual Return 2009

rr_AnnualReturn2009

39.94%

Annual Return 2011

rr_AnnualReturn2011

2.45%

Annual Return 2013

rr_AnnualReturn2013

32.71%

Annual Return 2015

rr_AnnualReturn2015

(1.63%)

Highest Quarterly Return

rr_BarChartHighestQuarterlyReturn

16.31%

Lowest Quarterly Return, Label

rr_LowestQuarterlyReturnLabel

Lowest Quarterly Return: -28.39% 4th Quarter 2008 1/1/2007 through 12/31/2015

Lowest Quarterly Return, Date

rr_BarChartLowestQuarterlyReturnDate

Dec. 31, 2008

1 Year

rr_AverageAnnualReturnYear01

(1.63%)

Since Inception

rr_AverageAnnualReturnSinceInception

6.52%

Prospectus:

rr_ProspectusTable

5 Years

rr_AverageAnnualReturnYear05

8.74%

1 Year

rr_AverageAnnualReturnYear01

0.10%

Since Inception

rr_AverageAnnualReturnSinceInception

5.26%

Prospectus:

rr_ProspectusTable

Objective, Primary [Text Block]

rr_ObjectivePrimaryTextBlock

The Fund seeks long-term growth of capital.

Expense Narrative [Text Block]

rr_ExpenseNarrativeTextBlock

This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund. You may qualify for sales discounts if you and your eligible family members invest, or agree to invest in the future, at least $50,000 in all classes of the American Beacon Funds on an aggregated basis. More information about these and other discounts is available from your financial professional and in "Choosing Your Share Class" on page 29 of the Prospectus and "Additional Purchase and Sale Information for A Class Shares" on page 36 of the statement of additional information ("SAI").

Expense Breakpoint, Minimum Investment Required [Amount]

rr_ExpenseBreakpointMinimumInvestmentRequiredAmount

$ 50,000

Operating Expenses Caption [Text]

rr_OperatingExpensesCaption

Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)

Expenses Deferred Charges [Text Block]

rr_ExpensesDeferredChargesTextBlock

A contingent deferred sales charge ("CDSC") of 0.50% will be charged on certain purchases of $1,000,000 or more of A Class shares that are redeemed in whole or part within 18 months of purchase.

Expense Example [Heading]

rr_ExpenseExampleHeading

Example

Expense Example, No Redemption, By Year, Caption [Text]

rr_ExpenseExampleNoRedemptionByYearCaption

Assuming no redemption of shares:

Portfolio Turnover [Text Block]

rr_PortfolioTurnoverTextBlock

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual Fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 25% of the average value of its portfolio.

Strategy [Heading]

rr_StrategyHeading

Principal Investment Strategies

Risk [Heading]

rr_RiskHeading

Principal Risks

Risk Lose Money [Text]

rr_RiskLoseMoney

There is no assurance that the Fund will achieve its investment objective and you could lose part or all of your investment in the Fund.

Bar Chart and Performance Table [Heading]

rr_BarChartAndPerformanceTableHeading

Fund Performance

Bar Chart [Heading]

rr_BarChartHeading

Calendar year total returns for Investor Class Shares. Year Ended 12/31

Performance Table Heading

rr_PerformanceTableHeading

Average annual total returns for periods ended December 31, 2015

Performance Table Uses Highest Federal Rate

rr_PerformanceTableUsesHighestFederalRate

After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local income taxes.

Performance Table Explanation after Tax Higher

rr_PerformanceTableExplanationAfterTaxHigher

The return after taxes on distributions and sale of Fund shares may exceed the return before taxes due to an assumed tax benefit from any losses on a sale of Fund shares at the end of the measurement period.

Performance Information Illustrates Variability of Returns [Text]

rr_PerformanceInformationIllustratesVariabilityOfReturns

The bar chart and table below provide an indication of risk by showing how the Fund's performance has varied from year to year. The table shows how the Fund's performance compares to a broad-based market index

Performance Availability Website Address [Text]

rr_PerformanceAvailabilityWebSiteAddress

www.americanbeaconfunds.com

Prospectus:

rr_ProspectusTable

5 Years

rr_AverageAnnualReturnYear05

10.67%

Maximum sales charge imposed on purchases (as a percentage of offering price)

rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice

5.75%

Management Fees

rr_ManagementFeesOverAssets

0.68%

Other Expenses

rr_OtherExpensesOverAssets

0.51%

Total Annual Fund Operating Expenses

rr_ExpensesOverAssets

1.45%

^[5]

Total Annual Fund Operating Expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

1.49%

Expense Example, with Redemption, 3 Years

rr_ExpenseExampleYear03

1,007

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

$ 2,210

5 Years

rr_AverageAnnualReturnYear05

8.88%

Maximum sales charge imposed on purchases (as a percentage of offering price)

rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice

none

Management Fees

rr_ManagementFeesOverAssets

0.68%

Other Expenses

rr_OtherExpensesOverAssets

0.51%

Total Annual Fund Operating Expenses

rr_ExpensesOverAssets

2.20%

^[5]

Total Annual Fund Operating Expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

2.27%

Expense Example, with Redemption, 3 Years

rr_ExpenseExampleYear03

688

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

2,533

Expense Example, No Redemption, 3 Years

rr_ExpenseExampleNoRedemptionYear03

688

Expense Example, No Redemption, 10 Years

rr_ExpenseExampleNoRedemptionYear10

$ 2,533

5 Years

rr_AverageAnnualReturnYear05

8.25%

Maximum sales charge imposed on purchases (as a percentage of offering price)

rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice

none

Management Fees

rr_ManagementFeesOverAssets

0.68%

Other Expenses

rr_OtherExpensesOverAssets

0.46%

Total Annual Fund Operating Expenses

rr_ExpensesOverAssets

1.15%

^[5]

Total Annual Fund Operating Expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

1.15%

Expense Example, with Redemption, 3 Years

rr_ExpenseExampleYear03

365

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

$ 1,398

5 Years

rr_AverageAnnualReturnYear05

9.18%

Maximum sales charge imposed on purchases (as a percentage of offering price)

rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice

none

Management Fees

rr_ManagementFeesOverAssets

0.68%

Other Expenses

rr_OtherExpensesOverAssets

0.40%

Total Annual Fund Operating Expenses

rr_ExpensesOverAssets

1.09%

^[5]

Total Annual Fund Operating Expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

1.09%

Expense Example, with Redemption, 3 Years

rr_ExpenseExampleYear03

346

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

$ 1,329

5 Years

rr_AverageAnnualReturnYear05

9.31%

Maximum sales charge imposed on purchases (as a percentage of offering price)

rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice

none

Management Fees

rr_ManagementFeesOverAssets

0.68%

Other Expenses

rr_OtherExpensesOverAssets

0.72%

Total Annual Fund Operating Expenses

rr_ExpensesOverAssets

1.41%

^[5]

Total Annual Fund Operating Expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

1.36%

Expense Example, with Redemption, 3 Years

rr_ExpenseExampleYear03

441

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

$ 1,685

Annual Return 2007

rr_AnnualReturn2007

14.23%

Annual Return 2009

rr_AnnualReturn2009

36.25%

Annual Return 2011

rr_AnnualReturn2011

1.50%

Annual Return 2013

rr_AnnualReturn2013

42.62%

Annual Return 2015

rr_AnnualReturn2015

(5.08%)

Highest Quarterly Return

rr_BarChartHighestQuarterlyReturn

23.02%

Lowest Quarterly Return, Label

rr_LowestQuarterlyReturnLabel

Lowest Quarterly Return: -25.54% 4th Quarter 2008 1/1/2006 through 12/31/2015

Lowest Quarterly Return, Date

rr_BarChartLowestQuarterlyReturnDate

Dec. 31, 2008

5 Years

rr_AverageAnnualReturnYear05

9.01%

1 Year

rr_AverageAnnualReturnYear01

(6.16%)

10 Years

rr_AverageAnnualReturnYear10

6.25%

Prospectus:

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5 Years

rr_AverageAnnualReturnYear05

7.23%

Objective [Heading]

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Investment Objective

Expense [Heading]

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Fees and Expenses of the Fund

Expense Breakpoint Discounts [Text]

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You may qualify for sales discounts if you and your eligible family members invest, or agree to invest in the future, at least $50,000 in all classes of the American Beacon Funds on an aggregated basis.

Shareholder Fees Caption [Text]

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Shareholder Fees (fees paid directly from your investment)

Fee Waiver or Reimbursement over Assets, Date of Termination

rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination

April 30, 2017

Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]

rr_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees

The Total Annual Fund Operating Expenses do not correlate to the ratio of expenses to average net assets provided in the Fund's Financial Highlights table, which reflects the operating expenses of the Fund and does not include Acquired Fund Fees and Expenses.

Expense Example Narrative [Text Block]

rr_ExpenseExampleNarrativeTextBlock

This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same, except that this example reflects the fee waiver/expense reimbursement arrangement for each share class through April 30, 2017. Although your actual costs may be higher or lower, based on these assumptions, your costs would be:

Portfolio Turnover [Heading]

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Portfolio Turnover

Portfolio Turnover, Rate

rr_PortfolioTurnoverRate

159.00%

Strategy Narrative [Text Block]

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The Fund seeks to achieve its investment objective by implementing a strategic arbitrage strategy comprised of: convertible arbitrage, credit/rates relative value arbitrage, equity arbitrage and volatility arbitrage. The Fund seeks to employ a "market neutral," strategy, meaning that the Fund's returns are not intended to be closely correlated to the stock market as a whole, interest rates, or a particular market index. The allocation of the Fund's assets among its arbitrage strategies and the use of various hedging strategies are intended to enhance returns and mitigate downside risk.

The Fund will invest in a portfolio of instruments, including, but not limited to, convertible securities, Rule 144A securities, common stock, preferred stock, exchange-traded funds ("ETFs"), exchange-traded notes ("ETNs"), closed-end funds and derivative instruments, including, but not limited to, listed options and futures, (including equity index options and equity index futures and options thereon, currency forwards (generally for hedging purposes), warrants, credit default swaps, total return swaps, currency swaps, interest rate swaps, and mortgage derivatives (including, without limitation, collateralized mortgage obligations ("CMOs"), mortgage-backed securities and stripped mortgage-backed securities, such as interest only ("IOs") and principal only ("POs") obligations). The Fund may invest in the securities and financial instruments of issuers of any market capitalization, as well as securities and financial instruments of foreign and emerging market issuers, which may be denominated in currencies other than the U.S. Dollar. The Fund may invest in debt securities of any credit quality or maturity, including high yield, below-investment grade debt securities (commonly referred to as "junk bonds").

The Fund's arbitrage strategies generally seek to exploit differences in the prices of, or the price relationships between, various types of securities. The Fund initially intends to allocate its assets among arbitrage investment strategies in the following manner:

30-50% to Convertible Arbitrage. Convertible arbitrage generally seeks to capitalize on the pricing of a company's convertible securities relative to its common stock, typically by the purchase of convertible securities and short sales of the underlying common stock. It seeks to generate consistent returns and benefit from corporate events, or changes in volatility or credit assumptions.
15-30% to Credit/Rates Relative Value Arbitrage. The Fund's credit/rates relative value arbitrage strategy seeks to invest in mortgage and other derivatives that the Fund considers to be inexpensive relative to key characteristics of such investments. For example, the Fund may identify a mortgage backed security that trades at a perceived discount to the implied pre-payment risk, which is the risk related to the early payment of principal. This strategy seeks to consistently produce income while actively managing duration risk (i.e., the price sensitivity to changes in interest rates). The credit/rates relative value arbitrage strategy also seeks to invest in closed-end funds that are trading at a discount to net asset value. By purchasing a closed-end fund trading at a discount to its net asset value and shorting an ETF holding a similar investment, the Fund will employ an arbitrage strategy to capture this discount. Investments in such closed-end funds have the potential for appreciation as the discount between a fund's price and its net asset value narrows, and also can generate cash flow through periodic dividend payments.
25-45% to Equity Arbitrage. The Fund's equity arbitrage strategy seeks to capture inefficiencies between the prices of an issuer's securities, such as, for example, prices of different classes of an issuer's equity securities, or between an issuer's warrants and common stock. This strategy also may seek to invest in the securities of companies involved, or potentially involved, in corporate events, such as mergers, tender offers, or other actions. A common example of such a type of investment is the attempt to capture the spread between the prices of the securities of companies involved in a tender offer by acquiring the securities of a target company in anticipation of their appreciation and selling short the acquirer's securities in anticipation of their depreciation. The Fund's equity arbitrage strategy can generally be expected to produce returns that fluctuate with company-specific events rather than changes in the broader market.
5-25% to Volatility Arbitrage. The volatility arbitrage strategy seeks to capitalize on the movement of prices, regardless of direction. Volatility arbitrage involves both purchases and sales (writing) of options, futures and other derivatives as well as purchases and short selling of their underlying securities. This strategy seeks to generate a positive return during periods of significant declines in the broader markets in order to reduce the Fund's beta, which is its risk exposure to equity securities and interest rates.

The foregoing allocation targets are not fixed guidelines, and the sub-advisor will monitor and adjust the allocation of the Fund's assets among the four strategies from time to time based on a variety of factors, including qualitative assessments of market conditions, liquidity, targeted exposure levels, ability to implement appropriate hedges, and active risk management.

To implement its arbitrage strategies, the Fund will engage in short sales of securities and the use of options. When the Fund sells a security short, it borrows the security from a third party and sells it at the then current market price. The Fund is then obligated to buy the security on a later date so that it can return the security to the lender. The Fund intends to invest in derivative instruments for both hedging and investment purposes. The Fund may also use derivatives to increase its economic exposure to a particular security, currency or index in a cost effective manner, such as, for example, by purchasing options on an ETF, rather than purchasing shares in the ETF itself, or by entering into a total return swap on an index, rather than buying the individual components of the index. The Fund generally will engage in active and frequent trading of portfolio securities to achieve its investment objective.

In response to adverse market, economic or other conditions, including the absence of attractive arbitrage opportunities, the Fund may temporarily invest a substantial portion of its assets in cash or cash equivalent securities. During such periods, the Fund may not achieve its investment objective.

The Fund is non-diversified, which means that it is not limited to a percentage of assets that it may invest in any one issuer.

Risk Narrative [Text Block]

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There is no assurance that the Fund will achieve its investment objective and you could lose part or all of your investment in the Fund. The Fund is not designed for investors who need an assured level of income and is intended to be a long-term investment. The Fund is not a complete investment program and may not be appropriate for all investors. Investors should carefully consider their own investment goals and risk tolerance before investing in the Fund. The principal risks of investing in the Fund are:

Allocation and Correlation Risk
The sub-advisor's judgments about, and allocations between arbitrage strategies, asset classes and market exposures may adversely affect the Fund's performance. There can be no assurance, particularly during periods of market disruption and stress, that the Fund will, in fact, experience a low level of correlation with a traditional portfolio of stocks and bonds or with the debt or equity markets generally.

Arbitrage Risk
The Fund may use a variety of arbitrage strategies in pursuing its investment strategy. The underlying relationships among securities and derivative instruments in which the Fund takes long and short positions may change in an adverse manner, in which case the Fund may realize losses. The expected gain on an individual arbitrage investment is normally considerably smaller than the possible loss should the transaction be unexpectedly terminated.

Convertible Securities Risk
The value of a convertible security typically increases or decreases with the price of the underlying common stock. In general, a convertible security is subject to the risks of stocks when the underlying stock's price is high relative to the conversion price and is subject to the risks of debt securities when the underlying stock's price is low relative to the conversion price. Many convertible securities have credit ratings that are below investment grade and are subject to the same risks as an investment in lower-rated debt securities (commonly known as "junk bonds"). In addition, because companies that issue convertible securities may be small- or mid-cap companies, to the extent the Fund invests in convertible securities issued by small- or mid-cap companies, it will be subject to the risks of investing in such companies. The stocks of small- and mid-cap companies may fluctuate more widely in price than the market as a whole and there may also be less trading in small- or mid-cap stocks.

Counterparty Risk
The Fund is subject to the risk that a party or participant to a transaction, such as a broker or derivative counterparty, will be unwilling or unable to satisfy its obligation to make timely principal, interest or settlement payments or to otherwise honor its obligations to the Fund.

Credit Risk
The Fund is subject to the risk that the issuer or guarantor of a debt security, or the counterparty to a derivatives contract or a loan will fail to make timely payment of interest or principal or otherwise honor its obligations or default completely. Credit risk is typically greater for securities with ratings that are below investment grade (commonly referred to as "junk bonds"). Since the Fund can invest significantly in lower-quality debt securities considered speculative in nature, this risk will be substantial.

Currency Risk
The Fund may have exposure to foreign currencies by making direct investments in non-U.S. currencies or in securities denominated in non-U.S. currencies, purchasing or selling forward currency exchange contracts in non-U.S. currencies, non-U.S. currency futures contracts, options on non-U.S. currencies and non-U.S. currency futures, and swaps for cross-currency investments. Foreign currencies will fluctuate, and may decline, in value relative to the U.S. dollar and other currencies and thereby affect the Fund's investments in foreign (non-U.S.) currencies or in securities that trade in, and receive revenues in, or in derivatives that provide exposure to, foreign (non-U.S.) currencies.

Derivatives Risk
Derivatives may involve significant risk. The use of derivative instruments may expose the Fund to additional risks that it would not be subject to if it invested directly in the securities underlying those derivatives, including the high degree of leverage often embedded in such instruments, and potentially material and prolonged deviations between the theoretical value and realizable value of a derivative. Some derivatives have the potential for unlimited loss, regardless of the size of the Fund's initial investment. Derivatives may be illiquid and may be more volatile than other types of investments. The Fund may buy or sell derivatives not traded on an exchange and which may be subject to heightened liquidity and valuation risk. Derivative investments can increase portfolio turnover and transaction costs. Derivatives also are subject to counterparty risk. As a result, the Fund may obtain no recovery of its investment or may only obtain a limited recovery, and any recovery may be delayed. Not all derivative transactions require a counterparty to post collateral, which may expose the Fund to greater losses in the event of a default by a counterparty. In addition, the Fund's investments in derivatives are subject to the following risks:

Futures and Forward Contracts. Futures and forward contracts, including non-deliverable forwards ("NDFs"), are derivative instruments pursuant to a contract where one party pays a fixed price for an agreed amount of securities or other underlying assets at an agreed date or to buy or sell a specific currency at a future date at a price set at the time of the contract. There may be an imperfect correlation between the movement in prices of the futures contracts and the value of their underlying instruments or indexes. There can be no assurance that any strategy used will succeed. Not all forward contracts, including NDFs, require a counterparty to post collateral, which may expose the Fund to greater losses in the event of a default by a counterparty. There may not be a liquid secondary market for the futures contracts. Forward currency transactions, including NDFs, include the risks associated with fluctuations in currency. Interest rate and Treasury futures contracts expose the Fund to price fluctuations resulting from changes in interest rates. The Fund could suffer a loss if interest rates rise after the Fund has purchased an interest rate futures contract or fall after the Fund has sold an interest rate futures contract. Similarly, Treasury futures contracts expose the Fund to potential losses if interest rates do not move as expected. Equity index futures contracts expose the Fund to volatility in an underlying securities index.
Options. The use of options comprises a number of risks. The movements experienced by the Fund between the prices of options and prices of the securities (or indices) underlying such options, may differ from expectations, and may cause the Fund not to achieve its objective. When the Fund writes put options, it bears the risk of loss if the value of the underlying stock declines below the exercise price minus the put premium. If the option is exercised, the Fund could incur a loss if it is required to purchase the stock underlying the put option at a price greater than the market price of the stock at the time of exercise plus the put premium the Fund received when it wrote the option.
Swap Agreements. Swaps can involve greater risks than a direct investment in an underlying asset because swaps typically include a certain amount of embedded leverage. If swaps are used as a hedging strategy, the Fund is subject to the risk that the hedging strategy may not eliminate the risk that it is intended to offset, due to, among other reasons, the occurrence of unexpected price movements or the non-occurrence of expected price movements. Swaps also may be difficult to value. Total return swaps, currency swaps and credit default swaps are subject to counterparty risk, credit risk and liquidity risk. In addition, interest rate swaps are subject to interest rate risk, total return swaps are subject to market risk and interest rate risk if the underlying securities are bonds or other debt obligations, currency swaps are subject to currency risk, and credit default swaps are subject to the risks associated with the purchase and sale of credit protection.
Warrants. Warrants may be more speculative than certain other types of investments because warrants do not carry with them dividend or voting rights with respect to the underlying securities, or any rights in the assets of the issuer. In addition, the value of a warrant does not necessarily change with the value of the underlying securities and a warrant ceases to have value if it is not exercised prior to its expiration date.

Emerging Markets Risk
When investing in emerging markets, the risks of investing in foreign securities discussed below are heightened. Emerging markets are generally smaller, less developed, less liquid and more volatile than the securities markets of the U.S. and other developed markets. There are also risks of: greater political uncertainties; an economy's dependence on revenues from particular commodities or on international aid or development assistance; currency transfer restrictions; a limited number of potential buyers for such securities; and delays and disruptions in securities settlement procedures.

Equity Investments Risk
Equity securities are subject to market risk. The Fund's investments in equity securities may include common stocks and preferred stocks. Investing in such securities may expose the Fund to additional risks. The value of a company's common stock may fall as a result of factors affecting the company, companies in the same industry or sector, or the financial markets overall. Common stock generally is subordinate to preferred stock upon the liquidation or bankruptcy of the issuing company. Preferred stocks are sensitive to movement in interest rates. Preferred stocks may be less liquid than common stocks and, unlike common stocks, participation in the growth of an issuer may be limited. Distributions on preferred stocks generally are payable at the discretion of an issuer and after required payments to bond holders.

Exchange-Traded Notes Risk
ETNs are unsecured, unsubordinated debt securities. Unlike most debt securities, issuers of ETNs are generally required to repay the note only upon maturity, and therefore the holder of a typical ETN does not receive periodic interest payments. An investment in an ETN exposes the Fund to the risk that the ETN's issuer may be unable to repay the note upon maturity. In addition, payments made to the holder of an ETN upon the maturity or redemption of the note are subject to fees, which may reduce the amount received to less than the principal amount invested.

Foreign Investing Risk
Non-U.S. investments carry potential risks not associated with U.S. investments. Such risks include, but are not limited to: (1) currency exchange rate fluctuations, (2) political and financial instability, (3) less liquidity and greater volatility, (4) lack of uniform accounting, auditing and financial reporting standards, (5) increased price volatility, (6) less government regulation and supervision of foreign stock exchanges, brokers and listed companies; and (7) delays in transaction settlement in some foreign markets.

Hedging Risk
The Fund will employ various hedging strategies. There are a variety of factors that may cause hedges to fail to mitigate risks in the manner expected, such as if an instrument used to hedge fails to demonstrate the expected correlation to the risk being hedged. In addition, hedges, even when successful in mitigating risk, may not prevent the Fund from experiencing losses on its investments, and therefore the use of hedging strategies may reduce the Fund's return, or create a loss.

High Portfolio Turnover Risk
Portfolio turnover is a measure of the Fund's trading activity over a one-year period. A portfolio turnover rate of 100% would indicate that the Fund sold and replaced the entire value of its securities holdings during the period. High portfolio turnover could increase the Fund's transaction costs because of increased broker commissions resulting from such transactions. These costs are not reflected in the Fund's annual operating expenses or in the expense example, but they can, have a negative impact on performance.

High Yield Securities Risk
Investing in high yield, below investment-grade securities (commonly referred to as "junk bonds") generally involves significantly greater risks of loss of your money than an investment in investment grade securities. High yield debt securities may fluctuate more widely in price and yield and may fall in price when the economy is weak or expected to become weak. High yield securities are considered to be speculative with respect to an issuer's ability to pay interest and principal and carry a greater risk that the issuers of lower-rated securities will default on the timely payment of principal and interest. Below investment grade securities may experience greater price volatility and less liquidity than investment grade securities.

Illiquid and Restricted Securities Risk
Securities not registered in the U.S. under the Securities Act of 1933, as amended (the "Securities Act") or in non-U.S. markets pursuant to similar regulations, including Rule 144A securities, are restricted as to their resale. Such securities may not be listed on an exchange and may have no active trading market. They may be more difficult to purchase or sell at an advantageous time or price because such securities may not be readily marketable in broad public markets, or may have to be held for a certain time period before they can be resold. The Fund may not be able to sell a restricted security when the sub-advisor considers it desirable to do so and/or may have to sell the security at a lower price than the Fund believes is its fair market value. In addition, transaction costs may be higher for restricted securities and the Fund may receive only limited information regarding the issuer of a restricted security. The Fund may have to bear the expense of registering restricted securities for resale and the risk of substantial delays in effecting the registration.

Interest Rate Risk
The Fund is subject to the risk that the market value of securities or derivatives that are influenced by interest rates will decline due to changes in interest rates. As of the date of this Prospectus, interest rates are near historic lows, but may rise substantially and/or rapidly, potentially resulting in substantial losses to the Fund. Generally, the value of the investments with interest rate risk, such as fixed income securities, will move in the opposite direction as movements in interest rates. The prices of fixed income securities are also affected by their duration. Fixed income securities with longer duration generally have greater sensitivity to changes in interest rates. For example, if a bond has a duration of four years, a 1% increase in interest rates could be expected to result in a 4% decrease in the value of the bond. An increase in interest rates can impact markets broadly as well.

Investment Risk
An investment in the Fund is not a deposit with a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. When you sell your shares of the Fund, they could be worth less than what you paid for them. Therefore, you may lose money by investing in the Fund.

Issuer Risk
The value of, and/or the return generated by, a security may decline for a number of reasons which directly relate to the issuer, such as management performance, financial leverage and reduced demand for the issuer's goods or services, as well as the historical and prospective earnings of the issuer and the value of its assets.

Large Capitalization Companies Risk
The securities of large market capitalization companies may underperform other segments of the market because such companies may be less responsive to competitive challenges and opportunities and may be unable to attain high growth rates during periods of economic expansion.

Leverage Risk
The Fund's use of futures, forward contracts, swaps, options and other derivative instruments and selling securities short will have the economic effect of financial leverage. Financial leverage magnifies the exposure to the swings in prices of an asset or class of assets underlying a derivative instrument and results in increased volatility, which means that the Fund will have the potential for greater losses than if the Fund does not use the derivative instruments that have a leveraging effect. Leverage may result in losses that exceed the amount originally invested and may accelerate the rate of losses. Leverage tends to magnify, sometimes significantly, the effect of any increase or decrease in the Fund's exposure to an asset or class of assets and may cause the Fund's NAV to be volatile.

Liquidity Risk
The Fund is susceptible to the risk that certain investments held by the Fund may have limited marketability or be subject to restrictions on sale, and may be difficult to sell at favorable times or prices. The Fund could lose money if it is unable to dispose of an investment at a time that is most beneficial to the Fund. For example, the Fund may be forced to sell certain investments at unfavorable prices to meet redemption requests or other cash needs.

Market Risk
Since the financial crisis that started in 2008, the U.S. and many foreign economies continue to experience its after-effects, which have resulted, and may continue to result, in fixed income instruments experiencing unusual liquidity issues, increased price volatility and, in some cases, credit downgrades and increased likelihood of default. These events have reduced the willingness and ability of some lenders to extend credit, and have made it more difficult for some borrowers to obtain financing on attractive terms, if at all. In addition, global economies and financial markets are becoming increasingly interconnected, which increases the possibilities that conditions in one country or region might adversely impact issuers in a different country or region. The severity or duration of adverse economic conditions may also be affected by policy changes made by governments or quasi-governmental organizations.

In addition, political events within the U.S. and abroad may affect investor and consumer confidence and may adversely impact financial markets and the broader economy, perhaps suddenly and to a significant degree. High public debt in the U.S. and other countries creates ongoing systemic and market risks and policymaking uncertainty. Because the impact on the markets has been widespread, it may be difficult to identify both risks and opportunities using past models of the interplay of market forces, or to predict the duration of these market conditions. Interest rates have been unusually low in recent years in the U.S. and abroad. Because there is little precedent for this situation, it is difficult to predict the impact on various markets of a significant rate increase, whether brought about by U.S. policy makers or by dislocations in world markets. In addition, there is a risk that the prices of goods and services in the U.S. and many foreign economies may decline over time, known as deflation (the opposite of inflation). Deflation may have an adverse effect on stock prices and creditworthiness and may make defaults on debt more likely.

Model and Data Risk
Models and data are used to screen potential investments for the Fund. When models or data prove to be incorrect or incomplete, any decisions made in reliance thereon expose the Fund to potential risks. Some of the models used by the sub-advisor are predictive in nature. The use of predictive models has inherent risks. Because predictive models are usually constructed based on historical data supplied by third parties, the success of relying on such models may depend heavily on the accuracy and reliability of the supplied historical data.

Mortgage Backed and Mortgage Related Securities Risk
Investments in mortgage backed and mortgage related securities are subject to market risks for fixed-income securities which include, but are not limited to, interest rate risk, credit risk, extension risk and prepayment risk. Moreover, declines in the credit quality of the issuers of mortgage backed and mortgage related securities or instability in the markets for such securities may affect the value and liquidity of such securities, which could result in losses to the Fund. Additionally, certain mortgage backed and mortgage related securities may include securities backed by pools of loans made to "subprime" borrowers or borrowers with blemished credit histories; the risk of defaults is generally higher in the case of mortgage pools that include such subprime mortgages. A security backed by the U.S. Treasury or the full faith and credit of the United States is guaranteed by the applicable entity only as to the timely payment of interest and principal when held to maturity. The market prices for such securities are not guaranteed and will fluctuate. Additionally, circumstances could arise that would prevent the payment of interest or principal. This could result in losses to the Fund. Securities held by the Fund that are issued by government-sponsored enterprises, such as the Federal National Mortgage Association ("Fannie Mae"), the Federal Home Loan Mortgage Corporation ("Freddie Mac"), Federal Home Loan Banks, Federal Farm Credit Banks, and the Tennessee Valley Authority are not guaranteed by the U.S. Treasury, are not backed by the full faith and credit of the U.S. Government and no assurance can be given that the U.S. Government will provide financial support. U.S. Government securities and securities of government sponsored enterprises are also subject to credit risk, interest rate risk and market risk. The Fund's investment in CMOs may offer a higher yield than U.S. government securities, but they may also be subject to greater price fluctuation and credit risk. The cash flows and yields on IOs and POs are extremely sensitive to the rate of principal payments (including prepayments) on the underlying mortgage loans or mortgage-backed securities. A rapid rate of principal payments may adversely affect the yield to maturity of IOs. A slow rate of principal payments may adversely affect the yield to maturity of POs. Inverse IOs and POs, which are fixed income securities with a floating or variable rate of interest, may exhibit substantially greater price volatility than fixed rate obligations having similar credit quality, redemption provisions and maturity.

Non-Diversification Risk
The Fund is non-diversified, which means the Fund may focus its investments in the securities of a comparatively small number of issuers. Investment in securities of a limited number of issuers exposes the Fund to greater market risk and potential losses than if assets were diversified among the securities of a greater number of investments.

Other Investment Companies Risk
The Fund may invest in shares of other registered investment companies, including closed-end funds and exchange-traded funds ("ETFs"). To the extent that the Fund invests in shares of other registered investment companies, the Fund will indirectly bear the fees and expenses charged by the underlying funds in addition to the Fund's direct fees and expenses and will be subject to the risks associated with investments in those funds. For example, to the extent the Fund invests in ETFs that invest in equity securities, fixed income securities and/or foreign securities, or track an index, the Fund is subject to the risks associated with investing in such securities or the index fluctuations. Because ETFs are listed on an exchange, they may be subject to trading halts and may trade at a discount or premium to their NAV.

Prepayment and Extension Risk
Prepayment risk is the risk that the principal amount of the underlying collateral may be repaid prior to the bond's maturity date. Due to a decline in interest rates or excess cash flow, a debt security may be called or otherwise prepaid before maturity. If this occurs, no additional interest will be paid on the investment and the Fund may have to invest at a lower rate, may not benefit from an increase in value that may result from declining interest rates, and may lose any premium it paid to acquire the security. Extension risk is the risk that a decrease in prepayments may, as a result of higher interest rates or other factors, result in the extension of a security's effective maturity, heighten interest rate risk and increase the potential for a decline in its price.

Quantitative Strategy Risk
The success of the Fund's investment strategy may depend in part on the effectiveness of the sub-advisor's quantitative tools for screening securities which may use factors that are not predictive of a security's value.

Securities Selection Risk
Securities selected by the sub-advisor or the Manager for the Fund may not perform to expectations. This could result in the Fund's underperformance compared to other funds with similar investment objectives.

Segregated Assets Risk
In connection with certain transactions that may give rise to future payment obligations, including many types of derivatives, the Fund may be required to maintain a segregated amount of, or otherwise earmark, cash or liquid securities to cover the position or transaction, which cannot be sold while the position they are covering is outstanding, unless they are replaced with other assets of equal value.

Short Position Risk
The Fund's losses are potentially unlimited in a short position transaction because there is potentially no limit on the amount that the security that the Fund is required to purchase may have appreciated. Because the Fund may invest the proceeds of a short sale, another effect of short selling on the Fund is similar to the effect of leverage, in that it amplifies changes in the Fund's net asset value since it increases the exposure of the Fund to the market.

Small and Mid-Capitalization Companies Risk
Investing in the securities of small and mid-capitalization companies involves greater risk and the possibility of greater price volatility than investing in larger capitalization and more established companies. Since small and mid-capitalization companies may have limited operating history, product lines, and financial resources, the securities of these companies may lack sufficient market liquidity, and they can be particularly sensitive to expected changes in interest rates, borrowing costs and earnings.

Tax Risk
To qualify as a "regulated investment" company under the Internal Revenue Code of 1986, as amended (the "Internal Revenue Code") ("RIC"), the Fund must meet a qualifying income test each taxable year. Certain aspects of the tax treatment of derivative instruments, including certain equity index options and futures, are currently unclear and may be affected by future legislation, Treasury regulations and/or guidance issued by the Internal Revenue Service ("IRS") that could affect the treatment of income from these instruments and the character, timing and amount of the Fund's taxable income or gains and distributions.

Valuation Risk
The Fund may value certain assets at a price different from the price at which they can be sold. This risk may be especially pronounced for investments, such as certain derivatives, which may be illiquid or which may become illiquid.

Risk Lose Money [Text]

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There is no assurance that the Fund will achieve its investment objective and you could lose part or all of your investment in the Fund.

Bar Chart and Performance Table [Heading]

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Fund Performance

Bar Chart [Heading]

rr_BarChartHeading

Calendar year total returns. Year Ended 12/31

Performance Table Heading

rr_PerformanceTableHeading

Average annual total returns for periods ended December 31, 2015

Performance Information Illustrates Variability of Returns [Text]

rr_PerformanceInformationIllustratesVariabilityOfReturns

The bar chart and table below provide an indication of the risk of investing in the Fund by showing how the performance of the Fund and, prior to June 30, 2015, the Fund's predecessor, has varied from year to year.

Inception Date of Class

rr_AverageAnnualReturnInceptionDate

Dec. 03, 2015

Since Inception

rr_AverageAnnualReturnSinceInception

0.24%

Prospectus:

rr_ProspectusTable

Maximum deferred sales charge (as a percentage of the lower of original offering price or redemption proceeds)

rr_MaximumDeferredSalesChargeOverOther

0.50%

^[11]

Distribution (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

0.25%

Remaining Other Expenses (including service fee)

rr_Component2OtherExpensesOverAssets

3.71%

Total Annual Fund Operating Expenses

rr_ExpensesOverAssets

6.00%

^[12]

Total Annual Fund Operating Expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

2.95%

Expense Example, with Redemption, 3 Years

rr_ExpenseExampleYear03

1,914

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

$ 5,777

1 Year

rr_AverageAnnualReturnYear01

4.50%

Maximum sales charge imposed on purchases (as a percentage of offering price)

rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice

none

Management Fees

rr_ManagementFeesOverAssets

1.03%

Dividends & Interest Expense on Securities Sold Short

rr_Component1OtherExpensesOverAssets

0.94%

Acquired Fund Fees and Expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.07%

Fee Waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(3.09%)

^[13]

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

$ 472

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

3,026

Expense Example, No Redemption, 1 Year

rr_ExpenseExampleNoRedemptionYear01

372

Expense Example, No Redemption, 5 Years

rr_ExpenseExampleNoRedemptionYear05

3,026

Inception Date of Class

rr_AverageAnnualReturnInceptionDate

Sep. 01, 2013

Since Inception

rr_AverageAnnualReturnSinceInception

3.70%

Prospectus:

rr_ProspectusTable

Maximum deferred sales charge (as a percentage of the lower of original offering price or redemption proceeds)

rr_MaximumDeferredSalesChargeOverOther

none

Distribution (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

none

Remaining Other Expenses (including service fee)

rr_Component2OtherExpensesOverAssets

0.24%

Total Annual Fund Operating Expenses

rr_ExpensesOverAssets

2.28%

^[12]

Total Annual Fund Operating Expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

2.65%

Expense Example, with Redemption, 3 Years

rr_ExpenseExampleYear03

748

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

$ 2,644

1 Year

rr_AverageAnnualReturnYear01

4.71%

Maximum sales charge imposed on purchases (as a percentage of offering price)

rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice

none

Management Fees

rr_ManagementFeesOverAssets

1.03%

Dividends & Interest Expense on Securities Sold Short

rr_Component1OtherExpensesOverAssets

0.94%

Acquired Fund Fees and Expenses

rr_AcquiredFundFeesAndExpensesOverAssets

0.07%

Fee Waiver and/or expense reimbursement

rr_FeeWaiverOrReimbursementOverAssets

(0.15%)

^[13]

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

$ 258

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

1,417

Inception Date of Class

rr_AverageAnnualReturnInceptionDate

Sep. 01, 2013

Since Inception

rr_AverageAnnualReturnSinceInception

3.90%

Prospectus:

rr_ProspectusTable

Maximum deferred sales charge (as a percentage of the lower of original offering price or redemption proceeds)

rr_MaximumDeferredSalesChargeOverOther

none

Distribution (12b-1) Fees

rr_DistributionAndService12b1FeesOverAssets

none

Remaining Other Expenses (including service fee)

rr_Component2OtherExpensesOverAssets

0.95%

Total Annual Fund Operating Expenses

rr_ExpensesOverAssets

2.99%

^[12]

Total Annual Fund Operating Expenses after fee waiver and/or expense reimbursement

rr_NetExpensesOverAssets

2.93%

Expense Example, with Redemption, 3 Years

rr_ExpenseExampleYear03

918

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

$ 3,303

Annual Return 2015

rr_AnnualReturn2015

4.50%

Highest Quarterly Return

rr_BarChartHighestQuarterlyReturn

1.65%

Lowest Quarterly Return, Label

rr_LowestQuarterlyReturnLabel

Lowest Quarterly Return: 0.10% 3rd Quarter 2014 1/1/2014 through 12/31/2015

Lowest Quarterly Return, Date

rr_BarChartLowestQuarterlyReturnDate

Sep. 30, 2014

1 Year

rr_AverageAnnualReturnYear01

4.50%

Inception Date of Class

rr_AverageAnnualReturnInceptionDate

Sep. 01, 2013

Since Inception

rr_AverageAnnualReturnSinceInception

3.47%

Prospectus:

rr_ProspectusTable

1 Year

rr_AverageAnnualReturnYear01

2.79%