v3.26.1
Average Annual Total Returns
 12 Months Ended 13 Months Ended 16 Months Ended 17 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
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 17.88% [1] 13.62% [2] 17.07% [3] 19.43% [4] 23.32% [1]
Defiance Daily Target 2X Long LLY ETF [Member]          
Prospectus [Line Items]          
Average Annual Return, Percent 44.38%       21.17%
Performance Inception Date         Aug. 07, 2024
Defiance Daily Target 2X Long LLY ETF [Member] | After Taxes on Distributions          
Prospectus [Line Items]          
Average Annual Return, Percent 42.81%       20.23%
Defiance Daily Target 2X Long LLY ETF [Member] | After Taxes on Distributions and Sales          
Prospectus [Line Items]          
Average Annual Return, Percent 26.28%       15.88%
Defiance Daily Target 2X Long MSTR ETF [Member]          
Prospectus [Line Items]          
Average Annual Return, Percent (89.06%)     (61.12%)  
Performance Inception Date       Aug. 14, 2024  
Defiance Daily Target 2X Long MSTR ETF [Member] | After Taxes on Distributions          
Prospectus [Line Items]          
Average Annual Return, Percent (89.06%)     (64.52%)  
Defiance Daily Target 2X Long MSTR ETF [Member] | After Taxes on Distributions and Sales          
Prospectus [Line Items]          
Average Annual Return, Percent (52.72%)     (32.05%)  
Defiance Daily Target 2X Long NVO ETF [Member]          
Prospectus [Line Items]          
Average Annual Return, Percent (76.72%) (84.17%)      
Performance Inception Date   Dec. 02, 2024      
Defiance Daily Target 2X Long NVO ETF [Member] | After Taxes on Distributions          
Prospectus [Line Items]          
Average Annual Return, Percent (76.72%) (84.17%)      
Defiance Daily Target 2X Long NVO ETF [Member] | After Taxes on Distributions and Sales          
Prospectus [Line Items]          
Average Annual Return, Percent (45.42%) (62.97%)      
Defiance Daily Target 2X Long AVGO ETF [Member]          
Prospectus [Line Items]          
Average Annual Return, Percent 47.02%   90.29%    
Performance Inception Date     Aug. 21, 2024    
Defiance Daily Target 2X Long AVGO ETF [Member] | After Taxes on Distributions          
Prospectus [Line Items]          
Average Annual Return, Percent 46.07%   88.93%    
Defiance Daily Target 2X Long AVGO ETF [Member] | After Taxes on Distributions and Sales          
Prospectus [Line Items]          
Average Annual Return, Percent 27.86%   69.84%    
Defiance Daily Target 2X Long SMCI ETF [Member]          
Prospectus [Line Items]          
Average Annual Return, Percent (69.70%)   (92.43%)    
Performance Inception Date     Aug. 21, 2024    
Defiance Daily Target 2X Long SMCI ETF [Member] | After Taxes on Distributions          
Prospectus [Line Items]          
Average Annual Return, Percent (70.21%)   (92.52%)    
Defiance Daily Target 2X Long SMCI ETF [Member] | After Taxes on Distributions and Sales          
Prospectus [Line Items]          
Average Annual Return, Percent (41.25%)   (62.77%)    
[1] The S&P 500® Total Return Index is a free-float market capitalization-weighted index of 500 of the largest U.S. companies. The index is calculated on a total return basis with dividends reinvested.
[2] The S&P 500® Total Return Index is a free-float market capitalization-weighted index of 500 of the largest U.S. companies. The index is calculated on a total return basis with dividends reinvested.
[3] The S&P 500® Total Return Index is a free-float market capitalization-weighted index of 500 of the largest U.S. companies. The index is calculated on a total return basis with dividends reinvested.
[4] The S&P 500® Total Return Index is a free-float market capitalization-weighted index of 500 of the largest U.S. companies. The index is calculated on a total return basis with dividends reinvested.