| Label | Element | Value | ||||
|---|---|---|---|---|---|---|
| Roundhill Weekly T-Bill ETF | First American Government Obligations Fund [Member] | ||||||
| Holdings [Line Items] | oef_HoldingsLineItems | |||||
| Percent of Total Investments | oef_PctOfTotalInv | 0.10% | ||||
| Roundhill Weekly T-Bill ETF | United States Treasury Bill [Member] | ||||||
| Holdings [Line Items] | oef_HoldingsLineItems | |||||
| Percent of Total Investments | oef_PctOfTotalInv | 100.00% | [1] | |||
| Roundhill Weekly T-Bill ETF | Cash & Other [Member] | ||||||
| Holdings [Line Items] | oef_HoldingsLineItems | |||||
| Percent of Total Investments | oef_PctOfTotalInv | 100.00% | ||||
| ||||||