XML 1028 R3.htm IDEA: XBRL DOCUMENT v3.20.2
Annual Fund Operating Expenses - FT Cboe Vest US Equity Buffer ETF - December - FT Cboe Vest US Equity Buffer ETF - December
Dec. 08, 2020
Operating Expenses:  
Management Fees 0.85%
Distribution and Service (12b-1) Fees none
Other Expenses none [1]
Total Annual Fund Operating Expenses 0.85%
[1] “Other Expenses” is an estimate based on the expenses the Fund expects to incur for the current fiscal year.