First Trust Developed Markets ex-US AlphaDEX Fund Shareholder Fees |
Dec. 31, 2025 |
|---|---|
| First Trust Developed Markets ex-US AlphaDEX Fund | First Trust Developed Markets ex-US AlphaDEX Fund | |
| Prospectus [Line Items] | |
| Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) | 0.00% |