| Label | Element | Value | ||||
|---|---|---|---|---|---|---|
| First Eagle Small Cap Equity ETF | First Eagle Small Cap Equity ETF | ||||||
| Prospectus [Line Items] | oef_ProspectusLineItems | |||||
| Risk/Return [Heading] | oef_RiskReturnHeading | First Eagle Small Cap Equity ETF | ||||
| Objective [Heading] | oef_ObjectiveHeading | Investment Objective | ||||
| Objective, Primary [Text Block] | oef_ObjectivePrimaryTextBlock | The investment objective of the First Eagle Small Cap Equity ETF (the “Fund”) is to seek long-term growth of capital. |
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| Expense Heading [Optional Text] | oef_ExpenseHeading | Fees and Expenses | ||||
| Expense Narrative [Text Block] | oef_ExpenseNarrativeTextBlock | This table describes the fees and expenses that you may pay if you buy, hold, and sell shares of the Fund (“Shares”). You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and Example below. |
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| Shareholder Fees Caption [Optional Text] | oef_ShareholderFeesCaption | Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment): | ||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination | Jun. 30, 2027 | ||||
| Other Expenses, New Fund, Based on Estimates [Text] | oef_OtherExpensesNewFundBasedOnEstimates | “Other Expenses” are estimated for the current fiscal year. | ||||
| Expense Example [Heading] | oef_ExpenseExampleHeading | Example | ||||
| Expense Example Narrative [Text Block] | oef_ExpenseExampleNarrativeTextBlock | This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then hold or sell all of your Shares at the end of those periods. The Example also assumes that: (1) your investment has a 5% return each year, and (2) the Fund’s operating expenses remain the same (except that the fee waiver is taken into account only for the one-year expense example). Although your actual costs may be higher or lower, based on these assumptions your costs would be: |
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| Portfolio Turnover [Heading] | oef_PortfolioTurnoverHeading | Portfolio Turnover | ||||
| Portfolio Turnover [Text Block] | oef_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. No portfolio turnover rate is provided for the Fund because the Fund had not commenced operations prior to the date of this Prospectus. |
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| Strategy [Heading] | oef_StrategyHeading | Principal Investment Strategies | ||||
| Strategy Narrative [Text Block] | oef_StrategyNarrativeTextBlock | The Fund is an actively managed exchange-traded fund (‘‘ETF’’) and invests, under normal circumstances, in equity securities of U.S. small-cap companies in an attempt to take advantage of what the Adviser believes are opportunistic situations for undervalued securities. Normally, the Fund invests at least 80% of its net assets (plus any borrowings for investment purposes) in the equity securities of U.S. small-cap companies. The Adviser defines small-cap companies as those that have at the time of investment a market capitalization not greater than that of the largest company in the Russell 2000® Index. The market capitalization of companies included in the Russell 2000® Index ranged from approximately $5 million to $31 billion as of December 31, 2025. The Russell 2000® Index is reconstituted annually. The Russell 2000® Index measures the performance of the small-cap segment of the U.S. equity universe and includes approximately 2,000 of the smallest securities based on a combination of their market capitalization and current index membership. Indexes are unmanaged and do not incur management fees or other operating expenses, and one cannot invest directly in an index. The Sub-Adviser, subject to the supervision of the Adviser and the Board, provides investment management and related trading assistance to the Adviser. This includes managing cash flow activity and general portfolio design and implementation consistent with the Fund’s investment strategies and operations as an ETF. Primary management of the Fund’s investment program is by the Adviser.
The Fund invests primarily in domestic common stocks and may invest to a lesser extent in common stocks of non-U.S. issuers. Potential investments that the Adviser considers to be opportunistic may include situations involving company turnarounds (e.g., a company that may be experiencing periods of poor financial or stock performance but may be exhibiting potential for financial recovery), emerging growth companies with interrupted earnings patterns (e.g., companies without a long or consistent history of earnings but that the Adviser believes have the potential for earnings growth), companies with unrecognized asset values, or undervalued growth companies (e.g., companies that have low multiples of price-to-book or price-to-sales ratios, or companies with securities that are trading at a price below what the Adviser believes the security is worth). The Adviser also considers investments in companies that have the potential to benefit from a perceived catalyst for positive change, such as companies with new management, a more favorable business cycle, product innovation and/or margin improvement. |
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| Bar Chart and Performance Table [Heading] | oef_BarChartAndPerformanceTableHeading | Performance | ||||
| Performance Narrative [Text Block] | oef_PerformanceNarrativeTextBlock | Performance information for the Fund is not included because the Fund had not commenced operations prior to the date of this Prospectus. Performance information will be available in the Prospectus once the Fund has at least one calendar year of performance.
The Fund’s past performance, before and after taxes, is not necessarily an indication of how the Fund will perform in the future and does not guarantee future results. Updated performance information will be available on the Fund’s website at https://www.firsteagle.com/funds/fesc-us-small-cap-equity-etf. |
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| Performance One Year or Less [Text] | oef_PerformanceOneYearOrLess | Performance information for the Fund is not included because the Fund had not commenced operations prior to the date of this Prospectus. Performance information will be available in the Prospectus once the Fund has at least one calendar year of performance. | ||||
| Performance Availability Website Address [Text] | oef_PerformanceAvailabilityWebSiteAddress | https://www.firsteagle.com/funds/fesc-us-small-cap-equity-etf | ||||
| Performance Past Does Not Indicate Future [Text] | oef_PerformancePastDoesNotIndicateFuture | The Fund’s past performance, before and after taxes, is not necessarily an indication of how the Fund will perform in the future and does not guarantee future results. | ||||
| First Eagle Small Cap Equity ETF | First Eagle Small Cap Equity ETF | Risk Lose Money [Member] | ||||||
| Prospectus [Line Items] | oef_ProspectusLineItems | |||||
| Risk [Text Block] | oef_RiskTextBlock | Loss of money is a risk of investing in the Fund. | ||||
| First Eagle Small Cap Equity ETF | First Eagle Small Cap Equity ETF | Market Risk [Member] | ||||||
| Prospectus [Line Items] | oef_ProspectusLineItems | |||||
| Risk [Text Block] | oef_RiskTextBlock | Market Risk — The value and liquidity of the Fund’s portfolio holdings may fluctuate in response to events specific to the issuers or markets in which the Fund invests, as well as economic, political, or social events in the United States or abroad. Markets may be volatile, and prices of individual securities and other investments, including those of a particular type, may decline significantly and rapidly in response to adverse issuer, political, regulatory, market, economic or other developments, public perceptions concerning these developments, and adverse investor sentiment or publicity. Recent market conditions and events, including a global public health crisis, wars and armed conflicts and actions taken by governments in response, may exacerbate volatility. Rapid changes in prices or liquidity, which often are not anticipated and can relate to events not connected to particular investments, may limit the ability of the Fund to dispose of its assets at the price or time of its choosing and can result in losses. Changes in prices may be temporary or may last for extended periods. | ||||
| First Eagle Small Cap Equity ETF | First Eagle Small Cap Equity ETF | Equity Risk [Member] | ||||||
| Prospectus [Line Items] | oef_ProspectusLineItems | |||||
| Risk [Text Block] | oef_RiskTextBlock | Equity Risk — The value of the Fund’s portfolio holdings may fluctuate in response to the risk that the prices of equity securities, including common stock, rise and fall daily. These price movements may result from factors affecting individual companies, industries or the securities market as a whole. In addition, equity markets tend to move in cycles, which may cause stock prices to fall over short or extended periods of time. Equity securities generally have greater price volatility than debt securities. | ||||
| First Eagle Small Cap Equity ETF | First Eagle Small Cap Equity ETF | Small-Size Company Risk [Member] | ||||||
| Prospectus [Line Items] | oef_ProspectusLineItems | |||||
| Risk [Text Block] | oef_RiskTextBlock | Small-Size Company Risk — The Fund will invest in small-size companies, the securities of which can be more volatile in price than those of larger companies. Positions in small-size companies, especially when the Fund is a larger holder of a small company’s securities, also may be more difficult or expensive to trade. Among the reasons for the greater price volatility are the less certain growth prospects of smaller companies, the lower degree of liquidity in the markets for such securities and the greater sensitivity of smaller companies to changing economic conditions. In addition, smaller companies may lack depth of management, they may be unable to generate funds necessary for growth or development, or they may be developing or marketing new products or services for which markets are not yet established and may never become established. | ||||
| First Eagle Small Cap Equity ETF | First Eagle Small Cap Equity ETF | Large Shareholder Risk [Member] | ||||||
| Prospectus [Line Items] | oef_ProspectusLineItems | |||||
| Risk [Text Block] | oef_RiskTextBlock | Large Shareholder Risk — Certain large shareholders, including APs (as defined below), may from time to time own a substantial amount of the Fund’s shares. There is no requirement that these shareholders maintain their investment in the Fund. There is a risk that such large shareholders may redeem all or a substantial portion of their investments in the Fund in a short period of time, which could have a significant negative impact on the Fund’s NAV, liquidity, and brokerage costs. Large redemptions could, to the extent the Fund permits redemptions in cash, accelerate the realization of taxable income and cause the Fund to make taxable distributions to shareholders earlier than the Fund otherwise would have. In addition, under certain circumstances, non-redeeming shareholders may be treated as receiving a disproportionately large taxable distribution during or with respect to such year. | ||||
| First Eagle Small Cap Equity ETF | First Eagle Small Cap Equity ETF | New Fund Risk [Member] | ||||||
| Prospectus [Line Items] | oef_ProspectusLineItems | |||||
| Risk [Text Block] | oef_RiskTextBlock | New Fund Risk — The Fund is a newly organized, management investment company with a limited operating history. In addition, there can be no assurance that the Fund will grow to, or maintain, an economically viable size, in which case the Board of Trustees of First Eagle ETF Trust may determine to liquidate the Fund. | ||||
| First Eagle Small Cap Equity ETF | First Eagle Small Cap Equity ETF | Value Investment Strategy Risk [Member] | ||||||
| Prospectus [Line Items] | oef_ProspectusLineItems | |||||
| Risk [Text Block] | oef_RiskTextBlock | Value Investment Strategy Risk — “Value” investments, as a category, or entire industries or sectors associated with such investments, may lose favor with investors as compared to those that are more “growth” oriented. In such an event, the Fund’s investment returns would be expected to lag relative to returns associated with more growth-oriented investment strategies. Investing in or having exposure to “value” securities presents the risk that such securities may never reach what the Adviser believes are their full market values. | ||||
| First Eagle Small Cap Equity ETF | First Eagle Small Cap Equity ETF | Foreign Investment Risk [Member] | ||||||
| Prospectus [Line Items] | oef_ProspectusLineItems | |||||
| Risk [Text Block] | oef_RiskTextBlock | Foreign Investment Risk — The Fund may invest in foreign investments (including American Depositary Receipts (“ADRs”), Global Depositary Receipts (“GDRs”) and European Depositary Receipts (“EDRs”)). Foreign investments, which can be denominated in any applicable foreign currency, are susceptible to less politically, economically and socially stable environments, foreign currency and exchange rate changes, and adverse changes to government regulations. While depositary receipts provide an alternative to directly purchasing the underlying foreign securities in their respective national markets and currencies, investments in ADRs, GDRs and EDRs continue to be subject to many of the risks associated with investing directly in foreign investments. | ||||
| First Eagle Small Cap Equity ETF | First Eagle Small Cap Equity ETF | Currency Risk [Member] | ||||||
| Prospectus [Line Items] | oef_ProspectusLineItems | |||||
| Risk [Text Block] | oef_RiskTextBlock | Currency Risk — Currency risk is the risk that foreign currencies will decline in value relative to that of the U.S. dollar and affect the Fund’s non-U.S. currencies or securities that trade in and receive revenue in non-U.S. currencies. | ||||
| First Eagle Small Cap Equity ETF | First Eagle Small Cap Equity ETF | Cybersecurity Risk [Member] | ||||||
| Prospectus [Line Items] | oef_ProspectusLineItems | |||||
| Risk [Text Block] | oef_RiskTextBlock | Cybersecurity Risk — Cybersecurity risk is the risk of an unauthorized breach and access to Fund assets, Fund or customer data (including private shareholder information), or proprietary information, or the risk of an incident occurring that causes the Fund, the Adviser, the Fund’s investment sub-adviser, custodian, transfer agent, distributor and other service providers and financial intermediaries to suffer data breaches, data corruption or lose operational functionality or prevent Fund investors from purchasing or redeeming shares or receiving distributions. The Fund and the Adviser have limited ability to prevent or mitigate cyber security incidents affecting third-party service providers and such third-party service providers may have limited indemnification obligations to the Fund or the Adviser. Successful cyber-attacks or other cyber-failures or events affecting the Fund or its service providers may adversely impact and cause financial losses to the Fund or its shareholders. Issuers of securities in which the Fund invests are also subject to cyber security risks, and the value of these securities could decline if the issuers experience cyber-attacks or other cyber-failures. | ||||
| First Eagle Small Cap Equity ETF | First Eagle Small Cap Equity ETF | ETF Risk [Member] | ||||||
| Prospectus [Line Items] | oef_ProspectusLineItems | |||||
| Risk [Text Block] | oef_RiskTextBlock | ETF 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,” “Secondary Market Trading Risk,” and “Shares May Trade at Prices Other Than NAV Risk.” | ||||
| First Eagle Small Cap Equity ETF | First Eagle Small Cap Equity ETF | Authorized Participants, Market Makers and Liquidity Providers Concentration Risk [Member] | ||||||
| Prospectus [Line Items] | oef_ProspectusLineItems | |||||
| Risk [Text Block] | oef_RiskTextBlock | Authorized Participants, Market Makers and Liquidity Providers Concentration Risk — Only an authorized participant may engage in creation or redemption transactions directly with the Fund. The Fund has a limited number of financial institutions that are institutional investors and may act as authorized participants (“APs”). 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 net asset value (“NAV”) and possibly face delisting: (i) APs exit the business or otherwise become unable to process creation and/or redemption orders and no other APs 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. These events, among others, may lead to the Shares trading at a premium or discount to NAV. Thus, you may pay more (or less) than the NAV when you buy Shares in the secondary market, and you may receive less (or more) than NAV when you sell those Shares in the secondary market. A diminished market for an ETF’s shares substantially increases the risk that a shareholder may pay considerably more or receive significantly less than the underlying value of the ETF shares bought or sold. In periods of market volatility, APs, market makers and/or liquidity providers may be less willing to transact in Shares. If these firms exit the business or are unable or unwilling to process creation and/or redemption orders, Shares may trade at a premium or discount to NAV and bid-ask spreads may widen. |
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| First Eagle Small Cap Equity ETF | First Eagle Small Cap Equity ETF | Secondary Market Trading Risk [Member] | ||||||
| Prospectus [Line Items] | oef_ProspectusLineItems | |||||
| Risk [Text Block] | oef_RiskTextBlock | Secondary Market Trading Risk — Although Shares are listed on a national securities exchange, the NYSE Arca, Inc. (the “Exchange”), and may be traded on U.S. exchanges other than the Exchange, there can be no assurance that an active or liquid trading market for them will develop or be maintained. In addition, trading in Shares on the Exchange may be halted. Trading may be halted because of market conditions or for reasons that, in the view of the Exchange, make trading in the Fund inadvisable. These may include: (a) the extent to which trading is not occurring in the securities and/or the financial instruments composing the Fund’s portfolio; or (b) whether other unusual conditions or circumstances detrimental to the maintenance of a fair and orderly market are present. During periods of market stress, there may be times when the market price of Shares is more than the NAV intra-day (premium) or less than the NAV intra-day (discount). This risk is heightened in times of market volatility or periods of steep market declines. Further, APs may be unwilling to participate in the creation/redemption process during periods of market stress, particularly if the market for shares becomes less liquid in response to deteriorating liquidity in the markets for the Fund’s underlying portfolio holdings, which may lead to widening of bid-ask spreads and differences between the market price of the shares and the underlying value of those shares. |
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| First Eagle Small Cap Equity ETF | First Eagle Small Cap Equity ETF | Shares May Trade at Prices Other Than NAV Risk [Member] | ||||||
| Prospectus [Line Items] | oef_ProspectusLineItems | |||||
| Risk [Text Block] | oef_RiskTextBlock | Shares May Trade at Prices Other Than NAV Risk — As with all ETFs, Shares may be bought and sold in the secondary market at market prices. There is a risk that market prices for Fund Shares will vary significantly from the Fund’s NAV. Where all or a portion of the Fund’s underlying securities trade in a foreign market that is closed when the market in which the Fund’s Shares are listed is open for trading, there may be changes between the last quote of the underlying securities’ value in the closed foreign market and the value of such underlying securities during the Fund’s domestic trading day. |
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| First Eagle Small Cap Equity ETF | First Eagle Small Cap Equity ETF | First Eagle Small Cap Equity ETF | ||||||
| Prospectus [Line Items] | oef_ProspectusLineItems | |||||
| Management Fees (as a percentage of Assets) | oef_ManagementFeesOverAssets | 0.85% | ||||
| Distribution or Similar (Non 12b-1) Fees | oef_DistributionOrSimilarNon12b1FeesOverAssets | 0.00% | ||||
| Other Expenses (as a percentage of Assets): | oef_OtherExpensesOverAssets | 0.00% | [1] | |||
| Expenses (as a percentage of Assets) | oef_ExpensesOverAssets | 0.85% | ||||
| Fee Waiver or Reimbursement | oef_FeeWaiverOrReimbursementOverAssets | (0.30%) | [2] | |||
| Net Expenses (as a percentage of Assets) | oef_NetExpensesOverAssets | 0.55% | ||||
| Expense Example, with Redemption, 1 Year | oef_ExpenseExampleYear01 | $ 56 | ||||
| Expense Example, with Redemption, 3 Years | oef_ExpenseExampleYear03 | 241 | ||||
| Expense Example, No Redemption, 1 Year | oef_ExpenseExampleNoRedemptionYear01 | 56 | ||||
| Expense Example, No Redemption, 3 Years | oef_ExpenseExampleNoRedemptionYear03 | $ 241 | ||||
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