Shareholder Report, Average Annual Return (Details) 195808_F-m Ultrashort Treasury Inflation-Protected Security -TIPS- ETF_TF_TSR Annual {TF} |
12 Months Ended | 18 Months Ended |
|---|---|---|
Aug. 31, 2026 |
Aug. 31, 2026 |
|
| F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF | |
| Average Annual Return, Percent | 3.81% | 3.95% |
| ICE US Treasury Core Bond Index [Member] | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | ICE US Treasury Core Bond Index | |
| Average Annual Return, Percent | 1.21% | 2.73% |
| Bloomberg US Ultrashort TIPS 1-13 Months Total Return Unhedged USD Index [Member] | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | Bloomberg US Ultrashort TIPS 1-13 Months Total Return Unhedged USD Index | |
| Average Annual Return, Percent | 30.66% | 21.05% |