v3.26.1
Shareholder Report, Average Annual Return (Details) 190459_The Acquirers Fund_TF_TSR Annual {TF}
12 Months Ended 60 Months Ended 84 Months Ended
Apr. 30, 2026
Apr. 30, 2026
Apr. 30, 2026
The Acquirers Fund      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name The Acquirers Fund NAV    
Average Annual Return, Percent 22.52% 10.15% 7.86%
S&P 500 TR      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name S&P 500 TR    
Average Annual Return, Percent 31.05% 13.14% 16.13%