v3.26.1
Shareholder Report, Line Graph (Details) 190459_The Acquirers Fund_TF_TSR Annual {TF} - USD ($)
12 Months Ended
Apr. 30, 2025
Apr. 30, 2024
Apr. 30, 2023
Apr. 30, 2022
Apr. 30, 2021
Apr. 30, 2020
May 14, 2019
Apr. 30, 2026
The Acquirers Fund                
Account Value [Line Items]                
Line Graph and Table Measure Name               The Acquirers Fund NAV
Accumulated Value $ 13,825 $ 14,790 $ 11,403 $ 10,641 $ 10,446 $ 8,387 $ 10,000 $ 16,939
S&P 500 TR                
Account Value [Line Items]                
Line Graph and Table Measure Name               S&P 500 TR
Accumulated Value $ 21,624 $ 19,291 $ 15,727 $ 15,319 $ 15,286 $ 10,471 $ 10,000 $ 28,339