v3.26.3
Average Annual Total Returns
 12 Months Ended 19 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% 18.87%
Cambria Chesapeake Pure Trend ETF [Member]    
Prospectus [Line Items]    
Average Annual Return, Percent (1.57%) (11.77%)
Performance Inception Date   May 28, 2024
Cambria Chesapeake Pure Trend ETF [Member] | After Taxes on Distributions    
Prospectus [Line Items]    
Average Annual Return, Percent (1.57%) (11.84%)
Cambria Chesapeake Pure Trend ETF [Member] | After Taxes on Distributions and Sales    
Prospectus [Line Items]    
Average Annual Return, Percent (0.93%) (8.91%)
[1] The S&P 500® Total Return Index is a widely recognized market capitalization-weighted index that tracks the performance of the 500 largest publicly traded companies in the United States, representing about 80% of the total U.S. equity market capitalization.