| Form N-CSR Cover | 6 Months Ended |
| May 31, 2024 | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSR |
| Amendment Flag | false |
| Registrant Name | Tidal ETF Trust |
| Entity Central Index Key | 0001742912 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | May 31, 2024 |
| Shareholder Report | 6 Months Ended |
| May 31, 2024 USD ($) Holdings | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSR |
| Amendment Flag | false |
| Registrant Name | Tidal ETF Trust |
| Entity Central Index Key | 0001742912 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | May 31, 2024 |
| SP Funds Dow Jones Global Sukuk ETF | |
| Shareholder Report [Line Items] | |
| Fund Name | SP Funds Dow Jones Global Sukuk ETF |
| Class Name | SP Funds Dow Jones Global Sukuk ETF |
| Trading Symbol | SPSK |
| Annual or Semi-Annual Statement [Text Block] | semi-annual Shareholder Report May 31, 2024 |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | This semi-annual shareholder report www.sp-funds.com (425) 409-9500 |
| Additional Information Phone Number | (425) 409-9500 |
| Additional Information Website | www.sp-funds.com |
| 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 SP Funds Dow Jones Global Sukuk ETF $ 28 0.55 |
| Expenses Paid, Amount | $ 28 |
| Expense Ratio, Percent | 0.55% |
| Material Change Description [Text Block] | There were no material changes during the reporting period. Changes in and Disagreements with Accountants There were no changes in or disagreements with accountants during the reporting period. |
| Net Assets | $ 201,298,000 |
| Holdings Count | Holdings | 116 |
| Investment Company, Portfolio Turnover | 13% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of May 31, 2024 ) Fund Size (Thousands) $201,298 Number of Holdings 116 Portfolio Turnover 13% |
| Holdings [Text Block] | Sector Breakdown (% of net assets) Sector % of Net Assets Government 0.490 Financials 0.297 Utilities 0.086 Energy 0.050 Consumer, Non-Cyclical 0.040 Communications 0.017 Cash Equivalents 0.015 Consumer, Cyclical 0.005 Percentages are based on total net assets. Cash Equivalents represents short-term investments, investments purchased with proceeds from securities lending and liabilities in excess of other assets. |
| Largest Holdings [Text Block] | What did the Fund invest in? (as of May 31, 2024 ) Top 10 Holdings (% of net assets) KSA Sukuk Ltd. 15.2 Perusahaan Penerbit SBSN Indonesia III 13.7 Isdb Trust Services NO 2 8.8 Saudi Electricity Co. 7.0 Sharjah Sukuk Program Ltd. 5.0 DIB Sukuk Ltd. 4.7 Suci Second Investment Co. 4.6 SA Global Sukuk Ltd. 3.7 DP World Crescent Ltd. 3.4 Malaysia Sukuk Global 2.5 |
| SP Funds S&P 500 Sharia Industry Exclusions ETF | |
| Shareholder Report [Line Items] | |
| Fund Name | SP Funds S&P 500 Sharia Industry Exclusions ETF |
| Class Name | SP Funds S&P 500 Sharia Industry Exclusions ETF |
| Trading Symbol | SPUS |
| Annual or Semi-Annual Statement [Text Block] | semi-annual Shareholder Report May 31, 2024 |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | This semi-annual shareholder report www.sp-funds.com (425) 409-9500 |
| Additional Information Phone Number | (425) 409-9500 |
| Additional Information Website | www.sp-funds.com |
| 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 SP Funds S&P 500 Sharia Industry Exclusions ETF $ 23 0.45 |
| Expenses Paid, Amount | $ 23 |
| Expense Ratio, Percent | 0.45% |
| Material Change Description [Text Block] | There were no material changes during the reporting period. Changes in and Disagreements with Accountants There were no changes in or disagreements with accountants during the reporting period. |
| Net Assets | $ 578,085,000 |
| Holdings Count | Holdings | 239 |
| Investment Company, Portfolio Turnover | 39% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of May 31, 2024 ) Fund Size (Thousands) $578,085 Number of Holdings 239 Portfolio Turnover 39% |
| Holdings [Text Block] | Sector Breakdown (% of net assets) Sector % of Net Assets Technology 0.422 Communications 0.189 Consumer, Non-cyclical 0.179 Industrial 0.068 Consumer, Cyclical 0.065 Energy 0.039 Basic Materials 0.024 Financial 0.010 Utilities 0.002 Cash & Cash Equivalents 0.002 Percentages are based on total net assets. Cash Equivalents represents short-term investments, investments purchased with proceeds from securities lending and liabilities in excess of other assets. |
| Largest Holdings [Text Block] | What did the Fund invest in? (as of May 31, 2024 ) Top 10 Holdings (% of net assets) Microsoft Corp. 10.8 Apple, Inc. 9.8 NVIDIA Corp. 9.5 Amazon.com, Inc. 5.7 Meta Platforms, Inc. - Class A 3.6 Alphabet, Inc. - Class A 3.6 Alphabet, Inc. - Class C 3.0 Eli Lilly & Co. 2.3 Broadcom, Inc. 2.0 Exxon Mobil Corp. 1.9 |
| SP Funds S&P Global REIT Sharia ETF | |
| Shareholder Report [Line Items] | |
| Fund Name | SP Funds S&P Global REIT Sharia ETF |
| Class Name | SP Funds S&P Global REIT Sharia ETF |
| Trading Symbol | SPRE |
| Annual or Semi-Annual Statement [Text Block] | semi-annual Shareholder Report May 31, 2024 |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report |
| Additional Information [Text Block] | This semi-annual shareholder report www.sp-funds.com (425) 409-9500 |
| Additional Information Phone Number | (425) 409-9500 |
| Additional Information Website | www.sp-funds.com |
| 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 SP Funds S&P Global REIT Sharia ETF $ 28 0.55 |
| Expenses Paid, Amount | $ 28 |
| Expense Ratio, Percent | 0.55% |
| Material Change Description [Text Block] | There were no material changes during the reporting period. Changes in and Disagreements with Accountants There were no changes in or disagreements with accountants during the reporting period. |
| Net Assets | $ 115,429,000 |
| Holdings Count | Holdings | 35 |
| Investment Company, Portfolio Turnover | 72% |
| Additional Fund Statistics [Text Block] | Key Fund Statistics (as of May 31, 2024 ) Fund Size (Thousands) $115,429 Number of Holdings 35 Portfolio Turnover 72% |
| Holdings [Text Block] | Sector Breakdown (% of net assets) Sector % of Net Assets Financials 1.001 Cash & Cash Equivalents -0.001 Percentages are based on total net assets. Cash Equivalents represents short-term investments, investments purchased with proceeds from securities lending and liabilities in excess of other assets. |
| Largest Holdings [Text Block] | What did the Fund invest in? (as of May 31, 2024 ) Top 10 Holdings (% of net assets) Equinix, Inc. 13.2 Prologis, Inc. 12.5 Goodman Group 11.8 AvalonBay Communities, Inc. 9.6 Mid-America Apartment Communities, Inc. 4.9 Equity LifeStyle Properties, Inc. 4.9 Equity Residential 4.8 Weyerhaeuser Co. 4.8 Camden Property Trust 4.6 Rexford Industrial Realty, Inc. 4.1 |
| Shareholder Report, Holdings (Details) | May 31, 2024 |
| SP Funds Dow Jones Global Sukuk ETF | KSA Sukuk Ltd. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 15.20% |
| SP Funds Dow Jones Global Sukuk ETF | Perusahaan Penerbit SBSN Indonesia III [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.70% |
| SP Funds Dow Jones Global Sukuk ETF | Isdb Trust Services NO 2 [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.80% |
| SP Funds Dow Jones Global Sukuk ETF | Saudi Electricity Co. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7% |
| SP Funds Dow Jones Global Sukuk ETF | Sharjah Sukuk Program Ltd. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| SP Funds Dow Jones Global Sukuk ETF | DIB Sukuk Ltd. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.70% |
| SP Funds Dow Jones Global Sukuk ETF | Suci Second Investment Co. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.60% |
| SP Funds Dow Jones Global Sukuk ETF | SA Global Sukuk Ltd. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.70% |
| SP Funds Dow Jones Global Sukuk ETF | DP World Crescent Ltd. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.40% |
| SP Funds Dow Jones Global Sukuk ETF | Malaysia Sukuk Global [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.50% |
| SP Funds Dow Jones Global Sukuk ETF | Government [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 49% |
| SP Funds Dow Jones Global Sukuk ETF | Financials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 29.70% |
| SP Funds Dow Jones Global Sukuk ETF | Utilities [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 8.60% |
| SP Funds Dow Jones Global Sukuk ETF | Energy [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5% |
| SP Funds Dow Jones Global Sukuk ETF | Consumer (Non Cyclical) [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4% |
| SP Funds Dow Jones Global Sukuk ETF | Communications [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.70% |
| SP Funds Dow Jones Global Sukuk ETF | Cash and Cash Equivalents [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.50% |
| SP Funds Dow Jones Global Sukuk ETF | Consumer (Cyclical) [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.50% |
| SP Funds S&P 500 Sharia Industry Exclusions ETF | Microsoft Corp. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 10.80% |
| SP Funds S&P 500 Sharia Industry Exclusions ETF | Apple, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.80% |
| SP Funds S&P 500 Sharia Industry Exclusions ETF | NVIDIA Corp [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.50% |
| SP Funds S&P 500 Sharia Industry Exclusions ETF | Amazon.com, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 5.70% |
| SP Funds S&P 500 Sharia Industry Exclusions ETF | Meta Platforms, Inc. - Class A [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| SP Funds S&P 500 Sharia Industry Exclusions ETF | Alphabet, Inc. - Class A [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| SP Funds S&P 500 Sharia Industry Exclusions ETF | Alphabet, Inc. - Class C [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3% |
| SP Funds S&P 500 Sharia Industry Exclusions ETF | Eli Lilly & Co. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.30% |
| SP Funds S&P 500 Sharia Industry Exclusions ETF | Broadcom, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| SP Funds S&P 500 Sharia Industry Exclusions ETF | Exxon Mobil Corp. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1.90% |
| SP Funds S&P 500 Sharia Industry Exclusions ETF | Utilities [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| SP Funds S&P 500 Sharia Industry Exclusions ETF | Energy [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| SP Funds S&P 500 Sharia Industry Exclusions ETF | Consumer (Non Cyclical) [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 17.90% |
| SP Funds S&P 500 Sharia Industry Exclusions ETF | Communications [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 18.90% |
| SP Funds S&P 500 Sharia Industry Exclusions ETF | Cash and Cash Equivalents [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 0.20% |
| SP Funds S&P 500 Sharia Industry Exclusions ETF | Consumer (Cyclical) [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.50% |
| SP Funds S&P 500 Sharia Industry Exclusions ETF | Technology [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 42.20% |
| SP Funds S&P 500 Sharia Industry Exclusions ETF | Industrial [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.80% |
| SP Funds S&P 500 Sharia Industry Exclusions ETF | Basic Materials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.40% |
| SP Funds S&P 500 Sharia Industry Exclusions ETF | Financial [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 1% |
| SP Funds S&P Global REIT Sharia ETF | Equinix, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.20% |
| SP Funds S&P Global REIT Sharia ETF | Prologis, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 12.50% |
| SP Funds S&P Global REIT Sharia ETF | Goodman Group [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 11.80% |
| SP Funds S&P Global REIT Sharia ETF | AvalonBay Communities, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.60% |
| SP Funds S&P Global REIT Sharia ETF | Mid-America Apartment Communities, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.90% |
| SP Funds S&P Global REIT Sharia ETF | Equity LifeStyle Properties, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.90% |
| SP Funds S&P Global REIT Sharia ETF | Equity Residential [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.80% |
| SP Funds S&P Global REIT Sharia ETF | Weyerhaeuser Co. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.80% |
| SP Funds S&P Global REIT Sharia ETF | Camden Property Trust [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.60% |
| SP Funds S&P Global REIT Sharia ETF | Rexford Industrial Realty, Inc. [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.10% |
| SP Funds S&P Global REIT Sharia ETF | Financials [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 100.10% |
| SP Funds S&P Global REIT Sharia ETF | Cash and Cash Equivalents [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | (0.10%) |
