Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 120 Months Ended | 262 Months Ended |
|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| S&P 500® Total Return Index (reflects no deduction for fees, expenses, or taxes) | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 17.88% | 14.42% | 14.82% | 10.58% |
| Intech S&P Large Cap Diversified Alpha ETF [Member] | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 14.72% | 13.73% | 14.16% | 10.73% |
| Performance Inception Date | Mar. 01, 2004 | |||
| Intech S&P Large Cap Diversified Alpha ETF [Member] | After Taxes on Distributions | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 14.58% | 13.70% | 14.14% | 10.73% |
| Intech S&P Large Cap Diversified Alpha ETF [Member] | After Taxes on Distributions and Sales | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 8.82% | 11.03% | 11.99% | 9.53% |