| Form N-CSR Cover | 6 Months Ended |
| Sep. 30, 2024 | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | Tidal ETF Trust |
| Entity Central Index Key | 0001742912 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Sep. 30, 2024 |
| Shareholder Report | 6 Months Ended |
| Sep. 30, 2024 USD ($) Holdings | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | Tidal ETF Trust |
| Entity Central Index Key | 0001742912 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Sep. 30, 2024 |
| SonicShares Global Shipping ETF | |
| Shareholder Report [Line Items] | |
| Fund Name | SonicShares™ Global Shipping ETF |
| Class Name | SonicShares™ Global Shipping ETF |
| Trading Symbol | BOAT |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | You can find additional information about the Fund at https://sonicshares.com/boat/ (833) 378-0717 |
| Additional Information Phone Number | (833) 378-0717 |
| Additional Information Website | https://sonicshares.com/boat/ |
| Expenses [Text Block] | What were the Fund costs for the past six months? (based on a hypothetical $10,000 investment) Fund Name Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment SonicShares™ Global Shipping ETF $ 39 0.69 Costs paid as a percentage of a $10,000 investment is an annualized figure. |
| Expenses Paid, Amount | $ 39 |
| Expense Ratio, Percent | 0.69% |
| Net Assets | $ 49,301,000 |
| Holdings Count | Holdings | 50 |
| Investment Company, Portfolio Turnover | 11% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of September 30, 2024 ) Fund Size (Thousands) $49,301 Number of Holdings 50 Portfolio Turnover 11% |
| Holdings [Text Block] | Sector Breakdown (% of net assets) Sector % Industrial 0.984 Cash Equivalents 0.016 |
| Material Fund Change [Text Block] | How has the Fund changed? There were no material changes during the reporting period. |
| Accountant Change Disagreements [Text Block] | Changes in and Disagreements with Accountants There were no changes in or disagreements with accountants. |
| Shareholder Report, Holdings (Details) - SonicShares Global Shipping ETF | Sep. 30, 2024 |
| Mitsui OSK Lines Ltd. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.50% |
| HMM Co. Ltd [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.50% |
| Kawasaki Kisen Kaisha Ltd [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.10% |
| SITC International Holdings Co. Ltd [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.10% |
| AP Moller - Maersk AS [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.10% |
| Wallenius Wilhelmsen ASA [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.90% |
| Matson, Inc [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.90% |
| COSCO SHIPPING Holdings Co. Ltd [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.60% |
| Orient Overseas International Ltd [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4% |
| Star Bulk Carriers Corp [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| Industrials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 98.40% |
| Cash Equivalents [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.60% |
