First Trust Merger Arbitrage ETF Annual Total Returns |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| First Trust Merger Arbitrage ETF | First Trust Merger Arbitrage ETF | ||||
| Prospectus [Line Items] | ||||
| Annual Return [Percent] | 0.42% | 2.56% | 3.46% | 0.56% |