| Label | Element | Value |
|---|---|---|
| Roundhill Russell 2000® 0DTE Covered Call Strategy ETF | Russell 2000 Index [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 91.40% |
| Roundhill Russell 2000® 0DTE Covered Call Strategy ETF | Roundhill Weekly T-Bill ETF [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 6.10% |
| Roundhill Russell 2000® 0DTE Covered Call Strategy ETF | First American Government Obligations Fund [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 2.90% |
| Roundhill Russell 2000® 0DTE Covered Call Strategy ETF | Cash & Other [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 100.00% |