Shareholder Report, Line Graph (Details) 197929_US Treasury 6 Month Bill ETF_TF_TSR Annual {TF} - USD ($) |
12 Months Ended | ||||
|---|---|---|---|---|---|
Aug. 31, 2025 |
Aug. 31, 2024 |
Aug. 31, 2023 |
Mar. 06, 2023 |
Aug. 31, 2026 |
|
| F/m US Treasury 6 Month Bill ETF | |||||
| Account Value [Line Items] | |||||
| Line Graph and Table Measure Name | F/m US Treasury 6 Month Bill ETF | ||||
| Accumulated Value | $ 11,274 | $ 10,795 | $ 10,235 | $ 10,000 | $ 11,695 |
| 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 | 10,956 | 10,700 | 10,093 | 10,000 | $ 11,089 |
| ICE BofA 6-Month US Treasury Bill Total Return Index [Member] | |||||
| Account Value [Line Items] | |||||
| Line Graph and Table Measure Name | ICE BofA 6-Month US Treasury Bill Total Return Index | ||||
| Accumulated Value | 11,315 | 10,823 | 10,243 | 10,000 | $ 11,735 |
| Bloomberg U.S. Treasury Bellwether: 6 Month Total Return USD Unhedged Index [Member] | |||||
| Account Value [Line Items] | |||||
| Line Graph and Table Measure Name | Bloomberg U.S. Treasury Bellwether: 6 Month Total Return USD Unhedged Index | ||||
| Accumulated Value | $ 11,330 | $ 10,830 | $ 10,243 | $ 10,000 | $ 11,759 |