v3.26.3
Shareholder Report, Line Graph (Details) 195794_Motley Fool Next Index ETF_TF_TSR Annual {TF} - USD ($)
12 Months Ended
Aug. 31, 2025
Aug. 31, 2024
Aug. 31, 2023
Aug. 31, 2022
Dec. 30, 2021
Aug. 31, 2026
Motley Fool Next Index ETF            
Account Value [Line Items]            
Line Graph and Table Measure Name           Motley Fool Next Index ETF (at NAV)
Accumulated Value $ 10,757 $ 9,114 $ 7,904 $ 7,512 $ 10,000 $ 12,358
Russell 3000 Total Return Index [Member]            
Account Value [Line Items]            
Line Graph and Table Measure Name           Russell 3000 Total Return Index
Accumulated Value 13,894 11,994 9,508 8,286 10,000 $ 16,687
Russell Midcap Growth Total Return Index [Member]            
Account Value [Line Items]            
Line Graph and Table Measure Name           Russell Midcap Growth Total Return Index
Accumulated Value 12,687 10,035 8,428 7,458 10,000 $ 12,539
Motley Fool Next - Total Return Index [Member]            
Account Value [Line Items]            
Line Graph and Table Measure Name           Motley Fool Next - Total Return Index
Accumulated Value $ 10,965 $ 9,240 $ 7,961 $ 7,528 $ 10,000 $ 12,656