v3.26.1
FT Vest Gold Strategy Quarterly Buffer ETF Annual Total Returns
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
FT Vest Gold Strategy Quarterly Buffer ETF | FT Vest Gold Strategy Quarterly Buffer ETF        
Prospectus [Line Items]        
Annual Return [Percent] 34.46% 21.87% 13.15% (2.41%)