First Trust California Municipal High Income ETF 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 |
|
| First Trust California Municipal High Income ETF | First Trust California Municipal High Income ETF | |||||||
| Prospectus [Line Items] | |||||||
| Annual Return [Percent] | 2.07% | 5.88% | (9.40%) | 3.30% | 3.60% | 9.68% | 1.10% |