Annual Total Returns |
12 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| Main BuyWrite ETF | Main BuyWrite ETF [Default Label] | |||||||||
| Prospectus [Line Items] | |||||||||
| Annual Return [Percent] | 10.40% | 11.97% | 0.98% | 9.77% | 3.27% | 12.99% | (7.63%) | 8.62% | 2.02% |