XML 144 R95.htm IDEA: XBRL DOCUMENT v3.20.4
Annual Fund Operating Expenses - FT Cboe Vest US Equity Deep Buffer ETF - June - FT Cboe Vest US Equity Deep Buffer ETF - June
Jan. 04, 2021
Operating Expenses:  
Management Fees 0.85%
Distribution and Service (12b-1) Fees none
Other Expenses none
Total Annual Fund Operating Expenses 0.85%