Shareholder Report, Line Graph (Details) 197416_F-m 3-Year Investment Grade Corporate Bond ETF_TF_TSR Annual {TF} - USD ($) |
12 Months Ended | |||
|---|---|---|---|---|
Aug. 31, 2025 |
Aug. 31, 2024 |
Jan. 10, 2024 |
Aug. 31, 2026 |
|
| F/m 3-Year Investment Grade Corporate Bond ETF | ||||
| Account Value [Line Items] | ||||
| Line Graph and Table Measure Name | F/m 3-Year Investment Grade Corporate Bond ETF NAV | |||
| Accumulated Value | $ 11,019 | $ 10,441 | $ 10,000 | $ 11,309 |
| ICE BofA US Corporate Index [Member] | ||||
| Account Value [Line Items] | ||||
| Line Graph and Table Measure Name | ICE BofA US Corporate Index | |||
| Accumulated Value | 10,919 | 10,476 | 10,000 | $ 11,141 |
| Bloomberg US Liquid Corporate 3 Year Maturity Index [Member] | ||||
| Account Value [Line Items] | ||||
| Line Graph and Table Measure Name | Bloomberg US Liquid Corporate 3 Year Maturity Index | |||
| Accumulated Value | $ 11,084 | $ 10,467 | $ 10,000 | $ 11,405 |