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