v3.25.4
First Trust Senior Loan Fund Annual Fund Operating Expenses - First Trust Senior Loan Fund - First Trust Senior Loan Fund
Oct. 31, 2025
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.69%
Distribution and Service (12b-1) Fees 0.00%
Other Expenses (as a percentage of Assets): 0.00%
Acquired Fund Fees and Expenses 0.01%
Expenses (as a percentage of Assets) 0.70% [1]
[1] Expenses have been restated to reflect the current fiscal year.