Shareholder Report, Line Graph (Details) 197972_US Treasury 3 Month Bill ETF_TF_TSR Annual {TF} - USD ($) |
12 Months Ended | ||||
|---|---|---|---|---|---|
Aug. 31, 2025 |
Aug. 31, 2024 |
Aug. 31, 2023 |
Aug. 08, 2022 |
Aug. 31, 2026 |
|
| F/m US Treasury 3 Month Bill Fund | |||||
| Account Value [Line Items] | |||||
| Line Graph and Table Measure Name | F/m US Treasury 3 Month Bill Fund - ETF Class Shares | ||||
| Accumulated Value | $ 11,514 | $ 11,022 | $ 10,460 | $ 10,000 | $ 11,948 |
| 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 | 10,414 | 10,170 | 9,593 | 10,000 | $ 10,541 |
| ICE BofA 3 Month Treasury Bill [Member] | |||||
| Account Value [Line Items] | |||||
| Line Graph and Table Measure Name | ICE BofA 3 Month Treasury Bill | ||||
| Accumulated Value | 11,514 | 11,016 | 10,441 | 10,000 | $ 11,944 |
| Bloomberg U.S. Treasury Bellwether: 3 Month Total Return USD Unhedged Index [Member] | |||||
| Account Value [Line Items] | |||||
| Line Graph and Table Measure Name | Bloomberg U.S. Treasury Bellwether: 3 Month Total Return USD Unhedged Index | ||||
| Accumulated Value | $ 11,532 | $ 11,032 | $ 10,456 | $ 10,000 | $ 11,969 |