First Trust Merger Arbitrage ETF Annual Fund Operating Expenses - First Trust Merger Arbitrage ETF - First Trust Merger Arbitrage ETF |
Jul. 31, 2025 |
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|---|---|---|---|---|
| Prospectus [Line Items] | ||||
| Management Fees (as a percentage of Assets) | 1.25% | |||
| Distribution and Service (12b-1) Fees | 0.00% | |||
| Other Expenses (as a percentage of Assets): | 0.40% | [1] | ||
| Acquired Fund Fees and Expenses | 0.04% | |||
| Expenses (as a percentage of Assets) | 1.69% | |||
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