v3.26.1
Average Annual Total Returns
 12 Months Ended 14 Months Ended 15 Months Ended 16 Months Ended 19 Months Ended 22 Months Ended 23 Months Ended
May 01, 2026
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Roundhill Bitcoin Covered Call Strategy ETF | Solactive GBS Global Markets All Cap USD Index TR (reflects no deduction for fees, expenses or taxes)                    
Prospectus [Line Items]                    
Average Annual Return, Percent   22.52%               21.50%
Performance Inception Date Jan. 17, 2024                  
Roundhill Bitcoin Covered Call Strategy ETF | Roundhill Bitcoin Covered Call Strategy ETF Shares                    
Prospectus [Line Items]                    
Average Annual Return, Percent   (3.45%)               21.97%
Performance Inception Date Jan. 17, 2024                  
Roundhill Bitcoin Covered Call Strategy ETF | Roundhill Bitcoin Covered Call Strategy ETF Shares | After Taxes on Distributions                    
Prospectus [Line Items]                    
Average Annual Return, Percent   (7.17%)               9.17%
Performance Inception Date Jan. 17, 2024                  
Roundhill Bitcoin Covered Call Strategy ETF | Roundhill Bitcoin Covered Call Strategy ETF Shares | After Taxes on Distributions and Sales                    
Prospectus [Line Items]                    
Average Annual Return, Percent   (0.72%)               12.42%
Performance Inception Date Jan. 17, 2024                  
Roundhill China Magnificent Seven ETF | Solactive GBS Global Markets All Cap USD Index TR (reflects no deduction for fees, expenses or taxes)                    
Prospectus [Line Items]                    
Average Annual Return, Percent   22.52%   17.33%            
Performance Inception Date Oct. 02, 2024                  
Roundhill China Magnificent Seven ETF | Roundhill China Magnificent Seven ETF Shares                    
Prospectus [Line Items]                    
Average Annual Return, Percent   16.16%   (1.08%)            
Performance Inception Date Oct. 02, 2024                  
Roundhill China Magnificent Seven ETF | Roundhill China Magnificent Seven ETF Shares | After Taxes on Distributions                    
Prospectus [Line Items]                    
Average Annual Return, Percent   14.40%   (2.61%)            
Performance Inception Date Oct. 02, 2024                  
Roundhill China Magnificent Seven ETF | Roundhill China Magnificent Seven ETF Shares | After Taxes on Distributions and Sales                    
Prospectus [Line Items]                    
Average Annual Return, Percent   9.67%   (1.43%)            
Performance Inception Date Oct. 02, 2024                  
Roundhill Daily 2X Long Magnificent Seven ETF | Solactive GBS Global Markets All Cap USD Index TR (reflects no deduction for fees, expenses or taxes)                    
Prospectus [Line Items]                    
Average Annual Return, Percent   22.52%             18.88%  
Performance Inception Date Feb. 28, 2024                  
Roundhill Daily 2X Long Magnificent Seven ETF | Roundhill Daily 2X Long Magnificent Seven ETF Shares                    
Prospectus [Line Items]                    
Average Annual Return, Percent   28.38%             59.04%  
Performance Inception Date Feb. 28, 2024                  
Roundhill Daily 2X Long Magnificent Seven ETF | Roundhill Daily 2X Long Magnificent Seven ETF Shares | After Taxes on Distributions                    
Prospectus [Line Items]                    
Average Annual Return, Percent   27.34%             58.05%  
Performance Inception Date Feb. 28, 2024                  
Roundhill Daily 2X Long Magnificent Seven ETF | Roundhill Daily 2X Long Magnificent Seven ETF Shares | After Taxes on Distributions and Sales                    
Prospectus [Line Items]                    
Average Annual Return, Percent   16.81%             46.38%  
Performance Inception Date Feb. 28, 2024                  
Roundhill Ether Covered Call Strategy ETF | Solactive GBS Global Markets All Cap USD Index TR (reflects no deduction for fees, expenses or taxes)                    
Prospectus [Line Items]                    
Average Annual Return, Percent   22.52%     19.12%          
Performance Inception Date Sep. 03, 2024                  
Roundhill Ether Covered Call Strategy ETF | Roundhill Ether Covered Call Strategy ETF Shares                    
Prospectus [Line Items]                    
Average Annual Return, Percent   (30.73%)     (10.87%)          
Performance Inception Date Sep. 03, 2024                  
Roundhill Ether Covered Call Strategy ETF | Roundhill Ether Covered Call Strategy ETF Shares | After Taxes on Distributions                    
Prospectus [Line Items]                    
Average Annual Return, Percent   (31.58%)     (16.65%)          
Performance Inception Date Sep. 03, 2024                  
Roundhill Ether Covered Call Strategy ETF | Roundhill Ether Covered Call Strategy ETF Shares | After Taxes on Distributions and Sales                    
Prospectus [Line Items]                    
Average Annual Return, Percent   (18.14%)     (9.31%)          
Performance Inception Date Sep. 03, 2024                  
Roundhill GLP-1 & Weight Loss ETF | Solactive GBS Global Markets All Cap USD Index TR (reflects no deduction for fees, expenses or taxes)                    
Prospectus [Line Items]                    
Average Annual Return, Percent   22.52%         17.76%      
Performance Inception Date May 20, 2024                  
Roundhill GLP-1 & Weight Loss ETF | Roundhill GLP-1 & Weight Loss ETF Shares                    
Prospectus [Line Items]                    
Average Annual Return, Percent   41.36%         21.48%      
Performance Inception Date May 20, 2024                  
Roundhill GLP-1 & Weight Loss ETF | Roundhill GLP-1 & Weight Loss ETF Shares | After Taxes on Distributions                    
Prospectus [Line Items]                    
Average Annual Return, Percent   41.10%         21.32%      
Performance Inception Date May 20, 2024                  
Roundhill GLP-1 & Weight Loss ETF | Roundhill GLP-1 & Weight Loss ETF Shares | After Taxes on Distributions and Sales                    
Prospectus [Line Items]                    
Average Annual Return, Percent   24.91%         16.67%      
Performance Inception Date May 20, 2024                  
Roundhill Innovation-100 0DTE Covered Call Strategy ETF | Solactive GBS Global Markets All Cap USD Index TR (reflects no deduction for fees, expenses or taxes)                    
Prospectus [Line Items]                    
Average Annual Return, Percent   22.52%           18.39%    
Performance Inception Date Mar. 06, 2024                  
Roundhill Innovation-100 0DTE Covered Call Strategy ETF | Roundhill Innovation-100 0DTE Covered Call Strategy ETF Shares                    
Prospectus [Line Items]                    
Average Annual Return, Percent   19.49%           20.71%    
Performance Inception Date Mar. 06, 2024                  
Roundhill Innovation-100 0DTE Covered Call Strategy ETF | Roundhill Innovation-100 0DTE Covered Call Strategy ETF Shares | After Taxes on Distributions                    
Prospectus [Line Items]                    
Average Annual Return, Percent   13.72%           14.96%    
Performance Inception Date Mar. 06, 2024                  
Roundhill Innovation-100 0DTE Covered Call Strategy ETF | Roundhill Innovation-100 0DTE Covered Call Strategy ETF Shares | After Taxes on Distributions and Sales                    
Prospectus [Line Items]                    
Average Annual Return, Percent   13.48%           14.29%    
Performance Inception Date Mar. 06, 2024                  
Roundhill Russell 2000 0DTE Covered Call Strategy ETF | Solactive GBS Global Markets All Cap USD Index TR (reflects no deduction for fees, expenses or taxes)                    
Prospectus [Line Items]                    
Average Annual Return, Percent   22.52%       20.75%        
Performance Inception Date Sep. 09, 2024                  
Roundhill Russell 2000 0DTE Covered Call Strategy ETF | Roundhill Russell 2000 0DTE Covered Call Strategy ETF Shares                    
Prospectus [Line Items]                    
Average Annual Return, Percent   9.50%       14.42%        
Performance Inception Date Sep. 09, 2024                  
Roundhill Russell 2000 0DTE Covered Call Strategy ETF | Roundhill Russell 2000 0DTE Covered Call Strategy ETF Shares | After Taxes on Distributions                    
Prospectus [Line Items]                    
Average Annual Return, Percent   7.56%       12.84%        
Performance Inception Date Sep. 09, 2024                  
Roundhill Russell 2000 0DTE Covered Call Strategy ETF | Roundhill Russell 2000 0DTE Covered Call Strategy ETF Shares | After Taxes on Distributions and Sales                    
Prospectus [Line Items]                    
Average Annual Return, Percent   6.38%       10.63%        
Performance Inception Date Sep. 09, 2024                  
Roundhill S&P 500® 0DTE Covered Call Strategy ETF | Solactive GBS Global Markets All Cap USD Index TR (reflects no deduction for fees, expenses or taxes)                    
Prospectus [Line Items]                    
Average Annual Return, Percent   22.52%           18.39%    
Performance Inception Date Mar. 06, 2024                  
Roundhill S&P 500® 0DTE Covered Call Strategy ETF | Roundhill S&P 500® 0DTE Covered Call Strategy ETF Shares                    
Prospectus [Line Items]                    
Average Annual Return, Percent   12.74%           16.87%    
Performance Inception Date Mar. 06, 2024                  
Roundhill S&P 500® 0DTE Covered Call Strategy ETF | Roundhill S&P 500® 0DTE Covered Call Strategy ETF Shares | After Taxes on Distributions                    
Prospectus [Line Items]                    
Average Annual Return, Percent   8.87%           13.14%    
Performance Inception Date Mar. 06, 2024                  
Roundhill S&P 500® 0DTE Covered Call Strategy ETF | Roundhill S&P 500® 0DTE Covered Call Strategy ETF Shares | After Taxes on Distributions and Sales                    
Prospectus [Line Items]                    
Average Annual Return, Percent   8.90%           11.96%    
Performance Inception Date Mar. 06, 2024                  
Roundhill S&P 500® Target 20 Managed Distribution ETF | Solactive GBS Global Markets All Cap USD Index TR (reflects no deduction for fees, expenses or taxes)                    
Prospectus [Line Items]                    
Average Annual Return, Percent   22.52% 18.69%              
Performance Inception Date Oct. 30, 2024                  
Roundhill S&P 500® Target 20 Managed Distribution ETF | Roundhill S&P 500® Target 20 Managed Distribution ETF Shares                    
Prospectus [Line Items]                    
Average Annual Return, Percent   16.71% 15.35%              
Performance Inception Date Oct. 30, 2024                  
Roundhill S&P 500® Target 20 Managed Distribution ETF | Roundhill S&P 500® Target 20 Managed Distribution ETF Shares | After Taxes on Distributions                    
Prospectus [Line Items]                    
Average Annual Return, Percent   16.71% 15.35%              
Performance Inception Date Oct. 30, 2024                  
Roundhill S&P 500® Target 20 Managed Distribution ETF | Roundhill S&P 500® Target 20 Managed Distribution ETF Shares | After Taxes on Distributions and Sales                    
Prospectus [Line Items]                    
Average Annual Return, Percent   9.89% 11.40%              
Performance Inception Date Oct. 30, 2024