v3.26.1
Expense Example - Cambria Chesapeake Pure Trend ETF [Member]
Jul. 17, 2026
USD ($)
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 91
Expense Example, with Redemption, 3 Years 284
Expense Example, with Redemption, 5 Years 493
Expense Example, with Redemption, 10 Years $ 1,096