First Trust Preferred Securities and Income ETF Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 100 Months Ended | 120 Months Ended | 155 Months Ended | |||||
|---|---|---|---|---|---|---|---|---|---|---|
Oct. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
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| ICE BofA US Investment Grade Institutional Capital Securities Index (reflects no deduction for fees, expenses or taxes)[Member] | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Average Annual Return, Percent | 8.64% | 3.77% | 4.89% | 5.49% | 5.37% | |||||
| FPE Blended Benchmark (reflects no deduction for fees, expenses or taxes)[Member] | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Average Annual Return, Percent | [1],[2] | 7.72% | 2.41% | 4.89% | ||||||
| Bloomberg US Aggregate Bond Index (reflects no deduction for fees, expenses or taxes)[Member] | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Average Annual Return, Percent | 7.30% | (0.36%) | 1.71% | 2.01% | 1.94% | |||||
| First Trust Preferred Securities and Income ETF | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Average Annual Return, Percent | 9.26% | 3.49% | 5.32% | 4.94% | ||||||
| Performance Inception Date | Feb. 11, 2013 | |||||||||
| First Trust Preferred Securities and Income ETF | After Taxes on Distributions | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Average Annual Return, Percent | 6.67% | 1.19% | 2.94% | 2.54% | ||||||
| First Trust Preferred Securities and Income ETF | After Taxes on Distributions and Sales | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Average Annual Return, Percent | 5.42% | 1.62% | 3.01% | 2.67% | ||||||
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