v3.25.3
First Trust Industrials-Producer Durables AlphaDEX Fund Shareholder Fees
Jul. 31, 2025
First Trust Industrials-Producer Durables AlphaDEX Fund | First Trust Industrials-Producer Durables AlphaDEX Fund  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%