Fees and Expenses - First Trust WCM Focused Global Growth Fund |
Dec. 31, 2025
USD ($)
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| Prospectus [Line Items] | |
| Expense Heading [Optional Text] | <span style="color:#000000;font-family:Arial;font-size:9.90pt;font-weight:bold;">Fees and Expenses of the Fund</span> |
| Expense Narrative [Text Block] | This table describes the fees and expenses that you may pay if you buy, hold and sell shares of the Fund. Investors purchasing shares as “clean shares” may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below.You may qualify for sales charge discounts if you and your family invest, or agree to invest in the future, at least $50,000 in the Fund or in other First Trust Advisors L.P. mutual funds. More information about these and other discounts, as well as eligibility requirements for each share class, is available from your financial advisor and in “Share Classes” on page 22 of this prospectus, “Investment in Fund Shares” on page 31 of this prospectus and “Purchase and Redemption of Fund Shares” on page 29 of the Fund’s statement of additional information (“SAI”). |
| Expense Breakpoint Discounts [Text] | <span style="color:#000000;font-family:Arial;font-size:9.00pt;">You may qualify for sales charge discounts if you and your family </span><span style="color:#000000;font-family:Arial;font-size:9.00pt;margin-left:0%;">invest, or agree to invest in the future, at least </span><span style="color:#000000;font-family:Arial;font-size:9.00pt;">$50,000</span><span style="color:#000000;font-family:Arial;font-size:9.00pt;"> in the Fund or in other First Trust Advisors L.P. mutual funds.</span> |
| Expense Breakpoint, Minimum Investment Required [Amount] | $ 50,000 |
| Other Expenses, New Fund, Based on Estimates [Text] | <span style="color:#000000;font-family:Arial;font-size:8.10pt;font-style:italic;">“Other Expenses” for Class A and Class C shares is an estimate based on the expenses the Fund expects to incur for the current fiscal year.</span> |
| Shareholder Fees Caption [Optional Text] | <span style="color:#000000;font-family:Arial;font-size:9.00pt;font-weight:bold;">Shareholder Fees</span> <br/><span style="color:#000000;font-family:Arial;font-size:9.00pt;">(fees paid directly from your investment)</span> |
| Operating Expenses Caption [Optional Text] | <span style="color:#000000;font-family:Arial;font-size:9.00pt;font-weight:bold;">Annual Fund Operating Expenses</span> <br/><span style="color:#000000;font-family:Arial;font-size:9.00pt;">(expenses that you pay each year as a percentage of the value of your investment)</span> |
| Expenses Deferred Charges [Text Block] | For Class A shares purchased at net asset value without a sales charge because the purchase amount exceeded $1,000,000, a contingent deferred sales charge of 1% may be imposed on any redemption within 12 months of purchase. The contingent deferred sales charge on Class C shares applies only to redemptions within 12 months of purchase. |
| Expense Example [Heading] | <span style="color:#000000;font-family:Arial;font-size:9.00pt;font-style:italic;font-weight:bold;">Example</span> |
| Expense Example Narrative [Text Block] | The following 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 applicable class of 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 your investment has a 5% return each year and that the Fund’s annual operating expenses (excluding taxes, interest, all brokerage commissions, other normal charges incident to the purchase and sale of portfolio securities, distribution and service fees payable pursuant to a Rule 12b-1 plan, if any, and extraordinary expenses) remain at current levels through May 1, 2027. Although your actual costs may be higher or lower, based on these assumptions your costs would be: |
| Portfolio Turnover [Heading] | <span style="color:#000000;font-family:Arial;font-size:9.90pt;font-weight:bold;">Portfolio Turnover</span> |
| Portfolio Turnover [Text Block] | 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 40% of the average value of its portfolio. |
| Portfolio Turnover, Rate | 40.00% |