v3.26.1
Shareholder Report, Average Annual Return (Details)
12 Months Ended 35 Months Ended
Apr. 30, 2026
Apr. 30, 2026
Roundhill Generative AI & Technology ETF    
Average Annual Return [Line Items]    
Average Annual Return, Percent 122.06% 47.30%
S&P 500® Total Return Index    
Average Annual Return [Line Items]    
Average Annual Return, Percent 31.05% 22.10%