v3.26.3
Annual Fund Operating Expenses - Defiance Helium and Strategic Gases ETF [Member]
Sep. 25, 2026
 [1]
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.65%
Distribution and Service (12b-1) Fees 0.00%
Other Expenses (as a percentage of Assets): 0.02% [2]
Expenses (as a percentage of Assets) 0.67% [3]
[1] The Fund’s investment adviser, Tidal Investments LLC (the “Adviser”), a Tidal Financial Group company, will pay, or require a sub-adviser to pay, all expenses incurred by the Fund excluding advisory fees, sub-advisory fees (if applicable), interest charges on any borrowings made for investment purposes, dividends and other expenses on securities sold short, taxes, brokerage commissions and other expenses incurred in placing orders for the purchase and sale of securities and other investment instruments, acquired fund fees and expenses, accrued deferred tax liability, distribution fees and expenses paid by the Fund under any distribution plan adopted pursuant to Rule 12b-1 under the Investment Company Act of 1940, as amended (the “1940 Act”), and litigation expenses and other non-routine or extraordinary expenses.
[2] Based on estimated amounts for the current fiscal year.
[3] The cost of investing in swaps, including the embedded cost of the swap and the operating expenses of the referenced assets, is an indirect expense that is not included in the above fee table and is not reflected in the expense example.