v3.26.1
Average Annual Total Returns
 12 Months Ended 30 Months Ended 60 Months Ended 68 Months Ended 78 Months Ended 120 Months Ended
Apr. 30, 2026
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
MUSQ Global Music Industry Index ETF              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return Before Taxes            
Average Annual Return, Percent   19.09% 6.35%        
Performance Inception Date Jul. 06, 2023            
MUSQ Global Music Industry Index ETF | After Taxes on Distributions              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions            
Average Annual Return, Percent   18.91% 6.02%        
MUSQ Global Music Industry Index ETF | After Taxes on Distributions and Sales              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares            
Average Annual Return, Percent   11.42% 4.79%        
ROBO Global(R) Robotics and Automation Index ETF              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return Before Taxes            
Average Annual Return, Percent   22.95%   2.84%     11.26%
ROBO Global(R) Robotics and Automation Index ETF | After Taxes on Distributions              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions            
Average Annual Return, Percent   22.91%   2.83%     11.26%
ROBO Global(R) Robotics and Automation Index ETF | After Taxes on Distributions and Sales              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares            
Average Annual Return, Percent   13.76%   2.24%     9.44%
ROBO Global(R) Healthcare Technology and Innovation ETF              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return Before Taxes            
Average Annual Return, Percent   23.98%   (3.90%)   6.13%  
Performance Inception Date Jun. 24, 2019            
ROBO Global(R) Healthcare Technology and Innovation ETF | After Taxes on Distributions              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions            
Average Annual Return, Percent   23.59%   (3.97%)   6.08%  
ROBO Global(R) Healthcare Technology and Innovation ETF | After Taxes on Distributions and Sales              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares            
Average Annual Return, Percent   14.29%   (2.93%)   4.83%  
ROBO Global(R) Artificial Intelligence ETF              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return Before Taxes            
Average Annual Return, Percent   30.35%   9.75% 17.98%    
Performance Inception Date May 08, 2020            
ROBO Global(R) Artificial Intelligence ETF | After Taxes on Distributions              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions            
Average Annual Return, Percent   30.28%   9.74% 17.96%    
ROBO Global(R) Artificial Intelligence ETF | After Taxes on Distributions and Sales              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares            
Average Annual Return, Percent   18.01%   7.74% 14.76%    
MUSQ Global Music Industry Index (reflects no deduction for fees, expenses, or taxes)              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] MUSQ Global Music Industry Index (reflects no deduction for fees, expenses, or taxes)            
Average Annual Return, Percent   20.17% 7.17%        
VettaFi Full World Index (reflects no deduction for fees, expenses, or taxes)              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] VettaFi Full World Index (reflects no deduction for fees, expenses, or taxes)            
Average Annual Return, Percent   22.89% 20.11% 11.65% 16.16% 13.12% 12.39%
ROBO Global® Robotics and Automation Index (reflects no deduction for fees, expenses, or taxes)              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] ROBO Global® Robotics and Automation Index (reflects no deduction for fees, expenses, or taxes)            
Average Annual Return, Percent   24.07%   3.70%     12.09%
S&P 500® Index (reflects no deduction for fees, expenses, or taxes)              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] S&P 500® Index (reflects no deduction for fees, expenses, or taxes)            
Average Annual Return, Percent   17.88%   14.42% 17.96% 15.59% 14.82%
ROBO Global® Healthcare Technology and Innovation Index (reflects no deduction for fees, expenses, or taxes)              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] ROBO Global® Healthcare Technology and Innovation Index (reflects no deduction for fees, expenses, or taxes)            
Average Annual Return, Percent   24.85%   (3.28%)   6.85%  
ROBO Global® Artificial Intelligence Index (reflects no deduction for fees, expenses, or taxes)              
Prospectus [Line Items]              
Average Annual Return, Label [Optional Text] ROBO Global® Artificial Intelligence Index (reflects no deduction for fees, expenses, or taxes)            
Average Annual Return, Percent   30.82%   10.12% 18.39%