Shareholder Report, Line Graph (Details) 195791_Motley Fool Small-Cap Growth ETF_TF_TSR Annual {TF} - USD ($) |
12 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|
Aug. 31, 2025 |
Aug. 31, 2024 |
Aug. 31, 2023 |
Aug. 31, 2022 |
Aug. 31, 2021 |
Aug. 31, 2020 |
Aug. 31, 2019 |
Oct. 29, 2018 |
Aug. 31, 2026 |
|
| Motley Fool Small-Cap Growth ETF | |||||||||
| Account Value [Line Items] | |||||||||
| Line Graph and Table Measure Name | Motley Fool Small-Cap Growth ETF (at NAV) | ||||||||
| Accumulated Value | $ 19,780 | $ 17,940 | $ 16,036 | $ 13,808 | $ 21,799 | $ 16,515 | $ 11,665 | $ 10,000 | $ 19,725 |
| Russell 3000 Total Return Index [Member] | |||||||||
| Account Value [Line Items] | |||||||||
| Line Graph and Table Measure Name | Russell 3000 Total Return Index | ||||||||
| Accumulated Value | 26,349 | 22,746 | 18,031 | 15,713 | 18,119 | 13,619 | 11,215 | 10,000 | $ 31,646 |
| Russell 2000 Growth Total Return Index [Member] | |||||||||
| Account Value [Line Items] | |||||||||
| Line Graph and Table Measure Name | Russell 2000 Growth Total Return Index | ||||||||
| Accumulated Value | $ 17,750 | $ 16,066 | $ 13,653 | $ 12,787 | $ 17,109 | $ 12,616 | $ 10,758 | $ 10,000 | $ 21,876 |