First Trust WCM Developing World Equity ETF Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 69 Months Ended | |
|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| MSCI Emerging Markets Index (reflects no deduction for fees, expenses or taxes)[Member] | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 33.57% | 4.20% | 11.82% | |
| First Trust WCM Developing World Equity ETF | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 35.20% | 4.22% | 11.88% | |
| Performance Inception Date | Mar. 31, 2020 | |||
| First Trust WCM Developing World Equity ETF | After Taxes on Distributions | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 34.79% | 3.75% | 11.22% | |
| First Trust WCM Developing World Equity ETF | After Taxes on Distributions and Sales | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 20.82% | 3.10% | 9.28% |