| Label | Element | Value |
|---|---|---|
| F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF | United States Treasury Inflation Indexed Bonds [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 99.90% |
| F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF | Government [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 99.90% |
| F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF | Cash & Other [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 0.10% |