Shareholder Report, Line Graph (Details) - USD ($) |
6 Months Ended | 11 Months Ended | 12 Months Ended | 18 Months Ended | 23 Months Ended | 30 Months Ended | 35 Months Ended | 42 Months Ended | 47 Months Ended | 54 Months Ended | 59 Months Ended | 71 Months Ended | 83 Months Ended | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sep. 20, 2021 |
May 13, 2019 |
Mar. 31, 2022 |
Mar. 31, 2020 |
Mar. 31, 2026 |
Mar. 31, 2023 |
Mar. 31, 2021 |
Mar. 31, 2024 |
Mar. 31, 2022 |
Mar. 31, 2025 |
Mar. 31, 2023 |
Mar. 31, 2026 |
Mar. 31, 2024 |
Mar. 31, 2025 |
Mar. 31, 2026 |
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| C000211437 | |||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||
| Line Graph and Table Measure Name | Quadratic Interest Rate Volatility and Inflation Hedge ETF | ||||||||||||||||
| Accumulated Value | $ 10,000 | $ 10,695 | $ 12,155 | $ 11,319 | $ 10,419 | $ 9,033 | $ 9,217 | $ 9,545 | |||||||||
| C000225265 | |||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||
| Line Graph and Table Measure Name | Quadratic Deflation ETF | ||||||||||||||||
| Accumulated Value | $ 10,000 | $ 10,497 | $ 9,229 | $ 9,130 | $ 8,430 | $ 8,040 | |||||||||||
| Bloomberg U.S. Treasury Inflation-Linked Bond Index (USD) (TR) | |||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||
| Line Graph and Table Measure Name | [1] | Bloomberg U.S. Treasury Inflation-Linked Bond Index (USD) (TR) | |||||||||||||||
| Accumulated Value | $ 10,000 | $ 10,628 | $ 11,429 | $ 11,919 | $ 11,196 | $ 11,247 | $ 11,941 | $ 12,299 | |||||||||
| Bloomberg Long U.S. Treasury Index | |||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||
| Line Graph and Table Measure Name | Bloomberg Long U.S. Treasury Index | ||||||||||||||||
| Accumulated Value | $ 10,000 | $ 8,832 | $ 7,419 | $ 6,967 | $ 7,055 | $ 7,088 | |||||||||||
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