Average Annual Total Returns |
12 Months Ended | 31 Months Ended | ||
|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
|||
| S&P 500 Total Return Index (reflects no deduction for fees, expenses, or taxes) | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | [1] | 17.88% | 22.60% | |
| Roundhill Generative AI & Technology ETF [Member] | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 49.83% | 39.49% | ||
| Performance Inception Date | May 17, 2023 | |||
| Roundhill Generative AI & Technology ETF [Member] | After Taxes on Distributions | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 48.15% | 38.89% | ||
| Roundhill Generative AI & Technology ETF [Member] | After Taxes on Distributions and Sales | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 29.51% | 31.51% | ||
| ||||