Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 82 Months Ended | 88 Months Ended | |||||
|---|---|---|---|---|---|---|---|---|---|
Apr. 30, 2026 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|||||
| BlueStar Quantum Computing and Machine Learning Index® (reflects no deduction for fees, expenses, or taxes) | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Label [Optional Text] | BlueStar® Quantum Computing and Machine Learning Index(reflects no deduction for fees, expenses, or taxes) | ||||||||
| Average Annual Return, Percent | 37.04% | 23.27% | 24.04% | ||||||
| S&P 500® TR Index (reflects no deduction for fees, expenses or taxes) | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Label [Optional Text] | S&P 500® TR Index(reflects no deduction for fees, expenses, or taxes) | ||||||||
| Average Annual Return, Percent | 17.88% | 14.42% | 15.85% | 14.29% | |||||
| BlueStar Connective Technologies Index (reflects no deduction for fees, expenses, or taxes) | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Label [Optional Text] | [1],[2] | BlueStar® Connective Technologies Index1,2(reflects no deduction for fees, expenses, or taxes) | |||||||
| Average Annual Return, Percent | [1],[2] | 35.28% | 15.20% | 16.27% | |||||
| Defiance Quantum ETF Class | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Label [Optional Text] | Return Before Taxes | ||||||||
| Average Annual Return, Percent | 36.35% | 22.62% | 23.41% | ||||||
| Performance Inception Date | Sep. 04, 2018 | ||||||||
| Defiance Quantum ETF Class | After Taxes on Distributions | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Label [Optional Text] | Return After Taxes on Distributions | ||||||||
| Average Annual Return, Percent | 35.91% | 22.33% | 23.15% | ||||||
| Defiance Quantum ETF Class | After Taxes on Distributions and Sales | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Label [Optional Text] | Return After Taxes on Distributions and Sale of Fund Shares | ||||||||
| Average Annual Return, Percent | 21.66% | 18.51% | 19.83% | ||||||
| Defiance Space and Connective Tech ETF Class | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Label [Optional Text] | Return Before Taxes | ||||||||
| Average Annual Return, Percent | 34.76% | 15.03% | 16.04% | ||||||
| Performance Inception Date | Mar. 04, 2019 | ||||||||
| Defiance Space and Connective Tech ETF Class | After Taxes on Distributions | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Label [Optional Text] | Return After Taxes on Distributions | ||||||||
| Average Annual Return, Percent | 34.55% | 14.72% | 15.73% | ||||||
| Defiance Space and Connective Tech ETF Class | After Taxes on Distributions and Sales | |||||||||
| Prospectus [Line Items] | |||||||||
| Average Annual Return, Label [Optional Text] | Return After Taxes on Distributions and Sale of Shares | ||||||||
| Average Annual Return, Percent | 20.69% | 12.02% | 13.14% | ||||||
| |||||||||