v3.26.1
Investment Risks
Apr. 30, 2026
Cambria Superinvestors ETF | Risk Lose Money [Member]  
Prospectus [Line Items]  
Risk [Text Block] An investor may lose money by investing in the Fund.
Cambria Superinvestors ETF | Risk Not Insured Depository Institution [Member]  
Prospectus [Line Items]  
Risk [Text Block] An investment in the Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.
Cambria Superinvestors ETF | Cyber Security Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

Cyber Security Risk. The Fund, and its service providers, may be susceptible to operational and information security risks resulting from a breach in cyber security, including cyber-attacks. A breach in cyber security, intentional or unintentional, may adversely impact the Fund in many ways, including, but not limited to, disruption of the Fund’s operational capacity, loss of proprietary information, theft or corruption of data, denial-of-service attacks on websites or network resources, and the unauthorized release of confidential information. Cyber-attacks affecting the Fund’s third-party service providers, including Cambria, the sub-adviser, the custodian, and the transfer agent, market makers, Authorized Participants, or the issuers of securities in which the Fund invests may subject the Fund to many of the same risks associated with direct cyber security breaches.

Cambria Superinvestors ETF | Depositary Receipts Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

Depositary Receipts Risk. The risks of investments in depositary receipts are substantially similar to the risks of investing directly in foreign securities. In addition, depositary receipts may not track the price of or may be less liquid than their underlying foreign securities, and the value of depositary receipts may change materially at times when the U.S. markets are not open for trading.

Cambria Superinvestors ETF | Equity Investing Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

Equity Investing Risk. An investment in the Fund involves risks similar to those of investing in any fund holding equity securities, such as market fluctuations, changes in interest rates and perceived trends in stock prices. The values of equity securities could decline generally or could underperform other investments due to factors affecting a specific issuer, market or securities markets generally.

Cambria Superinvestors ETF | ETF Structure Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

ETF Structure Risk. The Fund is an ETF, and, as a result of an ETF’s structure, it is exposed to the following risks:

Authorized Participants, Market Makers and Liquidity Providers Concentration Risk. The Fund has a limited number of financial institutions that may act as Authorized Participants. In addition, there may be a limited number of market makers and/or liquidity providers in the marketplace. To the extent either of the following events occur, Shares may trade at a material discount to NAV and possibly face delisting: (i) Authorized Participants exit the business or otherwise become unable to process creation and/or redemption orders and no other Authorized Participants step forward to perform these services, or (ii) market makers and/or liquidity providers exit the business or significantly reduce their business activities and no other entities step forward to perform their functions.

Premium-Discount Risk. Shares may trade above (premium) or below (discount) their NAV. The market prices of Shares will generally fluctuate in accordance with changes in NAV as well as the relative supply of, and demand for, Shares on the Exchange. This risk is heightened in times of market volatility or periods of steep market declines. Additionally, in stressed market conditions, the market for Shares may become less liquid in response to deteriorating liquidity in the markets for the Fund’s underlying portfolio holdings, and this could lead to differences between the market price of the Shares and the underlying value of those Shares.

Secondary Market Trading Risk. Investors buying or selling Shares in the secondary market may pay brokerage commissions or other charges, which may be a significant proportional cost for investors seeking to buy or sell relatively small amounts of Shares. In addition, secondary market investors will also incur a bid/ask spread, which varies over time for Shares based on trading volume and market liquidity and is generally higher if Shares have little trading volume and market liquidity. Although the Shares are listed on the Exchange, there can be no assurance that an active or liquid trading market for them will develop or be maintained. In stressed market conditions, the liquidity of Shares may begin to mirror the liquidity of the Fund’s underlying portfolio holdings, which can be significantly less liquid than Shares. In addition, trading in Shares on the Exchange may be halted.

Cambria Superinvestors ETF | Foreign Investment Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

Foreign Investment Risk. Returns on investments in foreign securities could be more volatile than, or trail the returns on, investments in U.S. securities. Exposures to foreign securities entail special risks, including risks due to: (i) differences in information available about foreign issuers; (ii) differences in investor protection standards in other jurisdictions; (iii) capital controls risks, including the risk of a foreign jurisdiction imposing restrictions on the ability to repatriate or transfer currency or other assets; (iv) political, diplomatic and economic risks; (v) regulatory risks; (vi) the imposition of tariffs; and (vii) foreign market and trading risks, including the costs of trading and risks of settlement in foreign jurisdictions. In addition, the Fund’s investments in securities denominated in other currencies could decline due to changes in local currency relative to the value of the U.S. dollar, which may affect the Fund’s returns.

Cambria Superinvestors ETF | Investment Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

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

Cambria Superinvestors ETF | Large Capitalization Company Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

Large Capitalization Company Risk. The Fund’s investments in large capitalization companies may underperform other segments of the market because they may be less responsive to competitive challenges and opportunities and unable to attain high growth rates during periods of economic expansion.

Cambria Superinvestors ETF | Management Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

Management Risk. The Fund is actively managed using a model-based approach, and the Adviser selects Fund investments on a periodic basis using a proprietary quantitative algorithm developed by the Adviser for the Fund. There can be no guarantee that these strategies and processes, or the Adviser’s quantitative model, will be effective or successful investment management techniques or that the Adviser’s judgments about the attractiveness, value and potential appreciation of particular Fund investments will be correct even if the Adviser’s overall investment strategies and processes are otherwise effective. Further, there is no guarantee that the Fund will achieve its investment objective.

Cambria Superinvestors ETF | Market Events Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

Market Events Risk. Turbulence in the financial markets, reduced liquidity in the equity markets, and/or the advent of certain economic or political events, including global events such as war, acts of terrorism, tariffs, or a public health crisis, may negatively affect issuers, which could have an adverse effect on certain Fund holdings. In addition, there is a risk that policy changes by the U.S. Government, Federal Reserve and/or other government actors, such as changes in interest rates, could cause increased volatility in financial markets and higher levels of Fund redemptions, which could have a negative impact on certain Fund holdings.

Cambria Superinvestors ETF | Quantitative Security Selection Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

Quantitative Security Selection Risk. Cambria uses quantitative techniques to generate investment decisions and select stocks, and the Fund may not perform as intended if it relies on erroneous or outdated data from one or more third parties. Errors in data used in the quantitative model may occur from time to time and may not be identified and/or corrected before having an adverse impact on the Fund and its shareholders.

Cambria Superinvestors ETF | Small and Medium Capitalization Company Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

Small and Medium Capitalization Company Risk. Investing in securities of small and medium capitalization companies involves greater risk than customarily is associated with investing in larger, more established companies. These companies’ securities may be more volatile and less liquid than those of more established companies, and they may be more sensitive to market conditions.

Cambria Superinvestors ETF | Stale Information Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

Stale Information Risk. Cambria will recommend securities for the Fund based on publicly available information about the Superinvestors’ holdings, such as filings made on Form 13F. This public information does not generally reflect real-time portfolio holdings. For example, Form 13F filings that are used to select securities are filed up to 45 days after the end of each calendar quarter. Thus, by the time this information becomes available to the public, a Superinvestor may have already sold the securities disclosed in its Form 13F. As a result, the Fund may purchase securities or retain securities that are no longer favored by the Superinvestors, which may hurt the Fund’s performance.

Cambria Buyout ETF | Risk Lose Money [Member]  
Prospectus [Line Items]  
Risk [Text Block] An investor may lose money by investing in the Fund.
Cambria Buyout ETF | Risk Not Insured Depository Institution [Member]  
Prospectus [Line Items]  
Risk [Text Block] An investment in the Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.
Cambria Buyout ETF | Cyber Security Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

Cyber Security Risk. The Fund, and its service providers, may be susceptible to operational and information security risks resulting from a breach in cyber security, including cyber-attacks. A breach in cyber security, intentional or unintentional, may adversely impact the Fund in many ways, including, but not limited to, disruption of the Fund’s operational capacity, loss of proprietary information, theft or corruption of data, denial-of-service attacks on websites or network resources, and the unauthorized release of confidential information. Cyber-attacks affecting the Fund’s third-party service providers, including Cambria, the sub-adviser, the custodian, and the transfer agent, market makers, Authorized Participants, or the issuers of securities in which the Fund invests may subject the Fund to many of the same risks associated with direct cyber security breaches.

Cambria Buyout ETF | Equity Investing Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

Equity Investing Risk. An investment in the Fund involves risks similar to those of investing in any fund holding equity securities, such as market fluctuations, changes in interest rates and perceived trends in stock prices. The values of equity securities could decline generally or could underperform other investments due to factors affecting a specific issuer, market or securities markets generally.

Cambria Buyout ETF | ETF Structure Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

ETF Structure Risk. The Fund is an ETF, and, as a result of an ETF’s structure, it is exposed to the following risks:

Authorized Participants, Market Makers and Liquidity Providers Concentration Risk. The Fund has a limited number of financial institutions that may act as Authorized Participants. In addition, there may be a limited number of market makers and/or liquidity providers in the marketplace. To the extent either of the following events occur, Shares may trade at a material discount to NAV and possibly face delisting: (i) Authorized Participants exit the business or otherwise become unable to process creation and/or redemption orders and no other Authorized Participants step forward to perform these services, or (ii) market makers and/or liquidity providers exit the business or significantly reduce their business activities and no other entities step forward to perform their functions.

Premium-Discount Risk. Shares may trade above (premium) or below (discount) their NAV. The market prices of Shares will generally fluctuate in accordance with changes in NAV as well as the relative supply of, and demand for, Shares on the Exchange. This risk is heightened in times of market volatility or periods of steep market declines. Additionally, in stressed market conditions, the market for Shares may become less liquid in response to deteriorating liquidity in the markets for the Fund’s underlying portfolio holdings, and this could lead to differences between the market price of the Shares and the underlying value of those Shares.

Secondary Market Trading Risk. Investors buying or selling Shares in the secondary market may pay brokerage commissions or other charges, which may be a significant proportional cost for investors seeking to buy or sell relatively small amounts of Shares. In addition, secondary market investors will also incur a bid/ask spread, which varies over time for Shares based on trading volume and market liquidity and is generally higher if Shares have little trading volume and market liquidity. Although the Shares are listed on the Exchange, there can be no assurance that an active or liquid trading market for them will develop or be maintained. In stressed market conditions, the liquidity of Shares may begin to mirror the liquidity of the Fund’s underlying portfolio holdings, which can be significantly less liquid than Shares. In addition, trading in Shares on the Exchange may be halted.

Cambria Buyout ETF | Investment Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

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

Cambria Buyout ETF | Management Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

Management Risk. The Fund is actively managed using a model-based approach, and the Adviser selects Fund investments on a periodic basis using a proprietary quantitative algorithm developed by the Adviser for the Fund. There can be no guarantee that these strategies and processes, or the Adviser’s quantitative model, will be effective or successful investment management techniques or that the Adviser’s judgments about the attractiveness, value and potential appreciation of particular Fund investments will be correct even if the Adviser’s overall investment strategies and processes are otherwise effective. Further, there is no guarantee that the Fund will achieve its investment objective.

Cambria Buyout ETF | Market Events Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

Market Events Risk. Turbulence in the financial markets, reduced liquidity in the equity markets, and/or the advent of certain economic or political events, including global events such as war, acts of terrorism, tariffs, or a public health crisis, may negatively affect issuers, which could have an adverse effect on certain Fund holdings. In addition, there is a risk that policy changes by the U.S. Government, Federal Reserve and/or other government actors, such as changes in interest rates, could cause increased volatility in financial markets and higher levels of Fund redemptions, which could have a negative impact on certain Fund holdings.

Cambria Buyout ETF | Micro Capitalization Company Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

Micro Capitalization Company Risk. In addition to the risks associated with investing in small and medium capitalization companies, set forth below, micro capitalization companies are more vulnerable to adverse economic events and poor business conditions than larger, more established companies. The earnings and revenue of micro capitalization companies tend to be less predictable, and their securities are generally less liquid and subject to greater and more unpredictable price changes.

Cambria Buyout ETF | Portfolio Turnover Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

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

Cambria Buyout ETF | Private Equity Correlation Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

Private Equity Correlation Risk. Although the Fund seeks to generate returns that mimic the returns of U.S. private equity funds, the Fund may not be able to generate comparable returns through its investments in U.S. exchange-listed equities primarily due to the fact that the underlying holdings of the Fund differ from those widely held by U.S. private equity funds. The Fund does not invest in private equity funds nor does it invest directly in the companies funded by private equity funds. Further, the factors identified by Cambria as being commonly associated with the equity securities of private companies held by private equity funds may not be the same factors that generate returns for private equity funds. Accordingly, the Fund’s return may not match or achieve a high degree of correlation with the return of U.S. private equity funds.

Cambria Buyout ETF | Private Equity Investing Style Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

Private Equity Investing Style Risk. Private equity funds typically invest directly in private companies and/or public companies they wish to turn private through a buyout process. Although the Fund invests in the equity securities of publicly traded companies, these companies share various characteristics with the private and public companies held by private equity funds. As such, the Fund is subject to many of the same risks. For example, these companies may hold significant debt, have a weak financial condition, require significant additional capital to support their operations, and may otherwise fail to become profitable or lose invested capital. These companies may also be subject to greater volatility. Further, there is no guarantee that any company exhibiting these characteristics will either be purchased by a private equity fund and enter the buyout process or be successfully repackaged and returned to the public marketplace as an initial public offering.

Cambria Buyout ETF | Quantitative Security Selection Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

Quantitative Security Selection Risk. Cambria uses quantitative techniques to generate investment decisions and select stocks, and the Fund may not perform as intended if it relies on erroneous or outdated data from one or more third parties. Errors in data used in the quantitative model may occur from time to time and may not be identified and/or corrected before having an adverse impact on the Fund and its shareholders.

Cambria Buyout ETF | Sector Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

Sector Risk. To the extent that the Fund invests a significant portion of its assets in a particular sector, the Fund may be susceptible to loss due to adverse occurrences affecting that sector.

Cambria Buyout ETF | Small and Medium Capitalization Company Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

Small and Medium Capitalization Company Risk. Investing in securities of small and medium capitalization companies involves greater risk than customarily is associated with investing in larger, more established companies. These companies’ securities may be more volatile and less liquid than those of more established companies, and they may be more sensitive to market conditions.

Cambria Venture ETF | Risk Lose Money [Member]  
Prospectus [Line Items]  
Risk [Text Block] An investor may lose money by investing in the Fund.
Cambria Venture ETF | Risk Not Insured Depository Institution [Member]  
Prospectus [Line Items]  
Risk [Text Block] An investment in the Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.
Cambria Venture ETF | Cyber Security Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

Cyber Security Risk. The Fund, and its service providers, may be susceptible to operational and information security risks resulting from a breach in cyber security, including cyber-attacks. A breach in cyber security, intentional or unintentional, may adversely impact the Fund in many ways, including, but not limited to, disruption of the Fund’s operational capacity, loss of proprietary information, theft or corruption of data, denial-of-service attacks on websites or network resources, and the unauthorized release of confidential information. Cyber-attacks affecting the Fund’s third-party service providers, including Cambria, the sub-adviser, the custodian, and the transfer agent, market makers, Authorized Participants, or the issuers of securities in which the Fund invests may subject the Fund to many of the same risks associated with direct cyber security breaches.

Cambria Venture ETF | Equity Investing Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

Equity Investing Risk. An investment in the Fund involves risks similar to those of investing in any fund holding equity securities, such as market fluctuations, changes in interest rates and perceived trends in stock prices. The values of equity securities could decline generally or could underperform other investments due to factors affecting a specific issuer, market or securities markets generally.

Cambria Venture ETF | ETF Structure Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

ETF Structure Risk. The Fund is an ETF, and, as a result of an ETF’s structure, it is exposed to the following risks:

Authorized Participants, Market Makers and Liquidity Providers Concentration Risk. The Fund has a limited number of financial institutions that may act as Authorized Participants. In addition, there may be a limited number of market makers and/or liquidity providers in the marketplace. To the extent either of the following events occur, Shares may trade at a material discount to NAV and possibly face delisting: (i) Authorized Participants exit the business or otherwise become unable to process creation and/or redemption orders and no other Authorized Participants step forward to perform these services, or (ii) market makers and/or liquidity providers exit the business or significantly reduce their business activities and no other entities step forward to perform their functions.

Premium-Discount Risk. Shares may trade above (premium) or below (discount) their NAV. The market prices of Shares will generally fluctuate in accordance with changes in NAV as well as the relative supply of, and demand for, Shares on the Exchange. This risk is heightened in times of market volatility or periods of steep market declines. Additionally, in stressed market conditions, the market for Shares may become less liquid in response to deteriorating liquidity in the markets for the Fund’s underlying portfolio holdings, and this could lead to differences between the market price of the Shares and the underlying value of those Shares.

Secondary Market Trading Risk. Investors buying or selling Shares in the secondary market may pay brokerage commissions or other charges, which may be a significant proportional cost for investors seeking to buy or sell relatively small amounts of Shares. In addition, secondary market investors will also incur a bid/ask spread, which varies over time for Shares based on trading volume and market liquidity and is generally higher if Shares have little trading volume and market liquidity. Although the Shares are listed on the Exchange, there can be no assurance that an active or liquid trading market for them will develop or be maintained. In stressed market conditions, the liquidity of Shares may begin to mirror the liquidity of the Fund’s underlying portfolio holdings, which can be significantly less liquid than Shares. In addition, trading in Shares on the Exchange may be halted.

Cambria Venture ETF | Foreign Investment Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

Foreign Investment Risk. Returns on investments in foreign securities could be more volatile than, or trail the returns on, investments in U.S. securities. Exposures to foreign securities entail special risks, including risks due to: (i) differences in information available about foreign issuers; (ii) differences in investor protection standards in other jurisdictions; (iii) capital controls risks, including the risk of a foreign jurisdiction imposing restrictions on the ability to repatriate or transfer currency or other assets; (iv) political, diplomatic and economic risks; (v) regulatory risks; (vi) the imposition of tariffs; and (vii) foreign market and trading risks, including the costs of trading and risks of settlement in foreign jurisdictions. In addition, the Fund’s investments in securities denominated in other currencies could decline due to changes in local currency relative to the value of the U.S. dollar, which may affect the Fund’s returns.

Cambria Venture ETF | Investment Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

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

Cambria Venture ETF | Management Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

Management Risk. The Fund is actively managed using a model-based approach, and the Adviser selects Fund investments on a periodic basis using a proprietary quantitative algorithm developed by the Adviser for the Fund. There can be no guarantee that these strategies and processes, or the Adviser’s quantitative model, will be effective or successful investment management techniques or that the Adviser’s judgments about the attractiveness, value and potential appreciation of particular Fund investments will be correct even if the Adviser’s overall investment strategies and processes are otherwise effective. Further, there is no guarantee that the Fund will achieve its investment objective.

Cambria Venture ETF | Market Events Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

Market Events Risk. Turbulence in the financial markets, reduced liquidity in the equity markets, and/or the advent of certain economic or political events, including global events such as war, acts of terrorism, tariffs, or a public health crisis, may negatively affect issuers, which could have an adverse effect on certain Fund holdings. In addition, there is a risk that policy changes by the U.S. Government, Federal Reserve and/or other government actors, such as changes in interest rates, could cause increased volatility in financial markets and higher levels of Fund redemptions, which could have a negative impact on certain Fund holdings.

Cambria Venture ETF | Micro Capitalization Company Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

Micro Capitalization Company Risk. In addition to the risks associated with investing in small and medium capitalization companies, set forth below, micro capitalization companies are more vulnerable to adverse economic events and poor business conditions than larger, more established companies. The earnings and revenue of micro capitalization companies tend to be less predictable, and their securities are generally less liquid and subject to greater and more unpredictable price changes.

Cambria Venture ETF | Portfolio Turnover Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

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

Cambria Venture ETF | Quantitative Security Selection Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

Quantitative Security Selection Risk. Cambria uses quantitative techniques to generate investment decisions and select stocks, and the Fund may not perform as intended if it relies on erroneous or outdated data from one or more third parties. Errors in data used in the quantitative model may occur from time to time and may not be identified and/or corrected before having an adverse impact on the Fund and its shareholders.

Cambria Venture ETF | Sector Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

Sector Risk. To the extent that the Fund invests a significant portion of its assets in a particular sector, the Fund may be susceptible to loss due to adverse occurrences affecting that sector.

Cambria Venture ETF | Small and Medium Capitalization Company Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

Small and Medium Capitalization Company Risk. Investing in securities of small and medium capitalization companies involves greater risk than customarily is associated with investing in larger, more established companies. These companies’ securities may be more volatile and less liquid than those of more established companies, and they may be more sensitive to market conditions.

Cambria Venture ETF | Venture Capital Correlation Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

Venture Capital Correlation Risk. Although the Fund seeks to generate returns that mimic the returns of U.S. venture capital funds, the Fund may not be able to generate comparable returns through its investments in U.S. exchange-listed equities primarily due to the fact that the underlying holdings of the Fund differ from those widely held by U.S. venture capital funds. The Fund does not invest in venture capital funds or venture capital start-up companies. Further, the factors identified by Cambria as being commonly associated with the equity securities of private companies funded by venture capital funds may not be the same factors that generate returns for venture capital funds. Accordingly, the Fund’s return may not match or achieve a high degree of correlation with the return of U.S. venture capital funds.

Cambria Venture ETF | Venture Capital Investing Style Risk [Member]  
Prospectus [Line Items]  
Risk [Text Block]

Venture Capital Investing Style Risk. Venture capital funds typically invest directly in private companies that are subject to a different set of risks than those typically associated with publicly traded companies. Although the Fund invests in the equity securities of publicly traded companies, these companies share various characteristics with private companies held by venture capital funds. As such, the Fund is subject to many of the same risks. For example, these companies may have a weak financial condition, require significant additional capital to support their operations, and may otherwise fail to become profitable or lose invested capital. These companies may also (i) hold significant debt; (ii) engage in a rapidly changing business environment with products subject to obsolescence; (iii) rely on unsustainable market trends or a competitive advantage that may be lost to new market entrants; (iv) depend on an inexperienced management team; and (v) be subject to high barriers of success that are dependent on large amounts of future capital investments, government approval of products or services, and the protection of intellectual property.