Shareholder Report, Line Graph (Details) 197925_US Treasury 12 Month Bill ETF_TF_TSR Annual {TF} - USD ($) |
12 Months Ended | ||||
|---|---|---|---|---|---|
Aug. 31, 2025 |
Aug. 31, 2024 |
Aug. 31, 2023 |
Nov. 14, 2022 |
Aug. 31, 2026 |
|
| F/m US Treasury 12 Month Bill ETF | |||||
| Account Value [Line Items] | |||||
| Line Graph and Table Measure Name | F/m US Treasury 12 Month Bill ETF | ||||
| Accumulated Value | $ 11,352 | $ 10,876 | $ 10,301 | $ 10,000 | $ 11,739 |
| ICE US Treasury Core Bond Index [Member] | |||||
| Account Value [Line Items] | |||||
| Line Graph and Table Measure Name | ICE US Treasury Core Bond Index | ||||
| Accumulated Value | 11,044 | 10,785 | 10,173 | 10,000 | $ 11,178 |
| ICE BofA US 1-Year Treasury Bill Total Return Index [Member] | |||||
| Account Value [Line Items] | |||||
| Line Graph and Table Measure Name | ICE BofA US 1-Year Treasury Bill Total Return Index | ||||
| Accumulated Value | 11,360 | 10,894 | 10,315 | 10,000 | $ 11,745 |
| Bloomberg U.S. Treasury Bellwether: 1 Year Total Return USD Unhedged Index [Member] | |||||
| Account Value [Line Items] | |||||
| Line Graph and Table Measure Name | Bloomberg U.S. Treasury Bellwether: 1 Year Total Return USD Unhedged Index | ||||
| Accumulated Value | $ 11,419 | $ 10,931 | $ 10,330 | $ 10,000 | $ 11,822 |