First Trust S-Network E-Commerce ETF Average Annual Total Returns |
12 Months Ended | 35 Months Ended | 60 Months Ended | 99 Months Ended | |||||
|---|---|---|---|---|---|---|---|---|---|
Mar. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2024 |
Dec. 31, 2024 |
Dec. 31, 2024 |
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| S-Network Global E-Commerce Index(TM) (reflects no deduction for fees, expenses or taxes)[Member] | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Percent | [1],[2] | 21.24% | |||||||
| MSCI ACWI Index (reflects no deduction for fees, expenses or taxes)[Member] | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Percent | 17.49% | 8.29% | 10.06% | 10.90% | |||||
| First Trust S-Network E-Commerce ETF | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Percent | 24.27% | 8.55% | 8.43% | ||||||
| Performance Inception Date | Sep. 20, 2016 | ||||||||
| First Trust S-Network E-Commerce ETF | After Taxes on Distributions | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Percent | 23.72% | 8.11% | 7.94% | ||||||
| First Trust S-Network E-Commerce ETF | After Taxes on Distributions and Sales | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Percent | 14.34% | 6.52% | 6.53% | ||||||
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