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Distillate U.S. Fundamental Stability & Value ETF  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk/Return [Heading] rr_RiskReturnHeading Distillate U.S. Fundamental Stability & Value ETF
Objective [Heading] rr_ObjectiveHeading Investment Objective
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock The Distillate U.S. Fundamental Stability & Value ETF (the “Fund”) seeks long-term capital appreciation.
Expense [Heading] rr_ExpenseHeading Fees and Expenses of the Fund
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock The following table describes the fees and expenses you may pay if you buy, hold, and sell shares of the Fund (“Shares”). You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and Example below.
Operating Expenses Caption [Text] rr_OperatingExpensesCaption Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Portfolio Turnover [Heading] rr_PortfolioTurnoverHeading Portfolio Turnover
Portfolio Turnover [Text Block] rr_PortfolioTurnoverTextBlock The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the Example, affect the Fund’s performance. For the fiscal year ended September 30, 2023, the Fund’s portfolio turnover rate was 95% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 95.00%
Expense Example [Heading] rr_ExpenseExampleHeading Expense Example
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then continue to hold or redeem all of your Shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same.
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Strategy [Heading] rr_StrategyHeading Principal Investment Strategy
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock
The Fund is an actively managed exchange-traded fund (“ETF”) that seeks to achieve its investment objective by investing in U.S.-listed equity securities, selected based on the Adviser’s assessment of a company’s valuation, cash flow stability, and balance sheet quality (“fundamental factors”), as described below.
In selecting securities for the Fund, Distillate Capital Partners LLC, the Fund’s investment adviser (“Distillate” or the “Adviser”), first considers companies that meet the Adviser’s criteria for (i) profitability, (ii) historical cash flow, and (iii) liquidity (based on the average daily traded value of the security).
Companies that satisfy such criteria are then reviewed using the Adviser’s proprietary measures of: (i) the company’s valuation, which takes into account the company’s free cash flow yield (a measure comparing a company’s normalized free cash flow to its enterprise value), and (ii) the volatility of the company’s historical and projected cash flows (“cash flow stability”). The Adviser then seeks to identify the most undervalued companies using these proprietary measures. A company’s “normalized” free cash flow reflects its estimated free cash flow, adjusted to account for nonrecurring items. Such “normalized” values enable a more accurate comparison of different companies’ regular free cash flows. A company’s enterprise value is calculated based primarily on the company’s market capitalization and indebtedness. Of the companies meeting these criteria, the Fund invests in large-capitalization equity securities. A large-capitalization company is defined as one of the roughly 500 largest U.S.-listed companies based on free-float market capitalization.
In assessing a company’s balance sheet quality, the Adviser considers a company’s financial indebtedness. Typically, the Fund does not invest in companies with significant leverage, based on the Adviser’s proprietary debt-to-income calculation.
The Adviser evaluates investments applying the fundamental factor criteria described above and adjusts the Fund’s portfolio accordingly on at least a quarterly basis. The Adviser, in its discretion, may include or exclude companies from the Fund’s portfolio based on unusual data or fundamental conditions that the Adviser believes would cause a security’s inclusion or exclusion to be
inconsistent with the Fund’s principal investment strategy. Although the Adviser seeks to select companies that demonstrate fundamental stability, the value of such companies may still be subject to volatility over short or long periods of time.
As part of this review, the Adviser generally sells a stock when it no longer satisfies the Adviser’s investment criteria discussed above. A stock will be sold if it becomes overvalued as measured using the Adviser’s measure of free cash flow. This could be the result of stock price appreciation, free cash flow erosion, or other eligible stocks presenting even more attractive valuation opportunities. Additionally, a stock will be sold if the company takes on additional debt or reports a reduction in income such that it no longer satisfies the Adviser’s measure of financial indebtedness. Finally, a stock may be sold if it no longer satisfies the Adviser’s measure of cash flow stability.
Under normal circumstances, at least 80% of the Fund’s net assets, plus borrowings for investment purposes, will be invested in U.S. assets. For purposes of this policy, the Fund considers securities that are traded principally in the United States to be “U.S. assets”. As of January 5, 2024, the Fund had significant exposure to the information technology, industrials, and health care sectors.
Strategy Portfolio Concentration [Text] rr_StrategyPortfolioConcentration Under normal circumstances, at least 80% of the Fund’s net assets, plus borrowings for investment purposes, will be invested in U.S. assets. For purposes of this policy, the Fund considers securities that are traded principally in the United States to be “U.S. assets”. As of January 5, 2024, the Fund had significant exposure to the information technology, industrials, and health care sectors.
Risk [Heading] rr_RiskHeading Principal Investment Risks
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading Performance
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock
The following performance information indicates some of the risks of investing in the Fund. The bar chart shows the Fund’s performance for calendar years ended December 31. The table illustrates how the Fund’s average annual returns for the 1-year, 5-year, and since inception periods compare with those of a broad measure of market performance. The Fund’s past performance, before and after taxes, does not necessarily indicate how it will perform in the future. Updated performance information is available on the Fund’s website at www.distillatefunds.com/dstl.
Prior to April 3, 2023, the Fund operated as an index-based ETF that sought to track the performance of the Distillate U.S. Fundamental Stability & Value Index. Consequently, performance during periods prior to April 3, 2023 does not reflect the Fund’s current investment strategy as an actively-managed ETF. The Fund’s performance may have differed if the Fund’s current strategy had been in place.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following performance information indicates some of the risks of investing in the Fund.
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.distillatefunds.com/dstl
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture The Fund’s past performance, before and after taxes, does not necessarily indicate how it will perform in the future.
Bar Chart [Heading] rr_BarChartHeading Calendar Year Total Returns
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock
During the period of time shown in the bar chart, the Fund’s highest quarterly return was 22.57% for the quarter ended June 30, 2020, and the lowest quarterly return was -19.39% for the quarter ended March 31, 2020.
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel highest quarterly return
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Jun. 30, 2020
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 22.57%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel lowest quarterly return
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Mar. 31, 2020
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (19.39%)
Performance Table Heading rr_PerformanceTableHeading Average Annual Total Returns For the Periods Ended December 31, 2023
Performance Table Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate After-tax returns are calculated using the historical highest individual federal marginal income tax rates during the period covered by the table above and do not reflect the impact of state and local taxes.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred After-tax returns shown are not relevant to investors who hold their Shares through tax-deferred arrangements such as an individual retirement account (“IRA”) or other tax-advantaged accounts.
Performance Table Explanation after Tax Higher rr_PerformanceTableExplanationAfterTaxHigher In certain cases, the figure representing “Return After Taxes on Distributions and Sale of Shares” may be higher than the other return figures for the same period. A higher after-tax return results when a capital loss occurs upon redemption and provides an assumed tax deduction that benefits the investor.
Performance Table Closing [Text Block] rr_PerformanceTableClosingTextBlock
After-tax returns are calculated using the historical highest individual federal marginal income tax rates during the period covered by the table above and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. After-tax returns shown are not relevant to investors who hold their Shares through tax-deferred arrangements such as an individual retirement account (“IRA”) or other tax-advantaged accounts. In certain cases, the figure representing “Return After Taxes on Distributions and Sale of Shares” may be higher than the other return figures for the same period. A higher after-tax return results when a capital loss occurs upon redemption and provides an assumed tax deduction that benefits the investor.
Distillate U.S. Fundamental Stability & Value ETF | Risk Lose Money [Member]  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock As with any investment, there is a risk that you could lose all or a portion of your investment in the Fund.
Distillate U.S. Fundamental Stability & Value ETF | Equity Market Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Equity Market Risk. The equity securities held in the Fund’s portfolio may experience sudden, unpredictable drops in value or long periods of decline in value. This may occur because of factors that affect securities markets generally or factors affecting specific issuers, industries, or sectors in which the Fund invests. Common stocks are generally exposed to greater risk than other types of securities, such as preferred stock and debt obligations, because common stockholders generally have inferior rights to receive payment from issuers. In addition, local, regional or global events such as war, including Russia’s invasion of Ukraine, acts of terrorism, spread of infectious diseases or other public health issues (such as the global pandemic caused by the COVID-19 virus), recessions, rising inflation, or other events could have a significant negative impact on the Fund and its investments. Such events may affect certain geographic regions, countries, sectors and industries more significantly than others. Such events could adversely affect the prices and liquidity of the Fund’s portfolio securities or other instruments and could result in disruptions in the trading markets.
Distillate U.S. Fundamental Stability & Value ETF | ETF Risks Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock ETF Risks. The Fund is an ETF, and, as a result of an ETF’s structure, it is exposed to the following risks:
Authorized Participants, Market Makers, and Liquidity Providers Concentration Risk. The Fund has a limited number of financial institutions that may act as Authorized Participants (“APs”). In addition, there may be a limited number of market makers and/or liquidity providers in the marketplace. To the extent either of the following events occur, Shares may trade at a material discount to NAV and possibly face delisting: (i) APs exit the business or otherwise become unable to process creation and/or redemption orders and no other APs step forward to perform these services, or (ii) market makers and/or liquidity providers exit the business or significantly reduce their business activities and no other entities step forward to perform their functions.
Costs of Buying or Selling Shares. Due to the costs of buying or selling Shares, including brokerage commissions imposed by brokers and bid-ask spreads, frequent trading of Shares may significantly reduce investment results and an investment in Shares may not be advisable for investors who anticipate regularly making small investments.
Shares May Trade at Prices Other Than NAV. As with all ETFs, Shares may be bought and sold in the secondary market at market prices. Although it is expected that the market price of Shares will approximate the Fund’s NAV, there may be times when the market price of Shares is more than the NAV intra-day (premium) or less than the NAV intra-day (discount) due to supply and demand of Shares or during periods of market volatility. This risk is heightened in times of market volatility, periods of steep market declines, and periods when there is limited trading activity for Shares in the secondary market, in which case such premiums or discounts may be significant.
Trading. Although Shares are listed for trading on the NYSE Arca, Inc. (the “Exchange”) and may be traded on U.S. exchanges other than the Exchange, there can be no assurance that Shares will trade with any volume, or at all, on any stock exchange. In stressed market conditions, the liquidity of Shares may begin to mirror the liquidity of the Fund’s underlying portfolio holdings, which can be significantly less liquid than Shares, and this could lead to differences between the market price of the Shares and the underlying value of those Shares.
Distillate U.S. Fundamental Stability & Value ETF | ETF Risks, Authorized Participants, Market Makers, And Liquidity Providers Concentration Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Authorized Participants, Market Makers, and Liquidity Providers Concentration Risk. The Fund has a limited number of financial institutions that may act as Authorized Participants (“APs”). In addition, there may be a limited number of market makers and/or liquidity providers in the marketplace. To the extent either of the following events occur, Shares may trade at a material discount to NAV and possibly face delisting: (i) APs exit the business or otherwise become unable to process creation and/or redemption orders and no other APs step forward to perform these services, or (ii) market makers and/or liquidity providers exit the business or significantly reduce their business activities and no other entities step forward to perform their functions.
Distillate U.S. Fundamental Stability & Value ETF | ETF Risks, Costs of Buying Or Selling Shares Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Costs of Buying or Selling Shares. Due to the costs of buying or selling Shares, including brokerage commissions imposed by brokers and bid-ask spreads, frequent trading of Shares may significantly reduce investment results and an investment in Shares may not be advisable for investors who anticipate regularly making small investments.
Distillate U.S. Fundamental Stability & Value ETF | ETF Risks, Shares May Trade At Prices Other Than NAV Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Shares May Trade at Prices Other Than NAV. As with all ETFs, Shares may be bought and sold in the secondary market at market prices. Although it is expected that the market price of Shares will approximate the Fund’s NAV, there may be times when the market price of Shares is more than the NAV intra-day (premium) or less than the NAV intra-day (discount) due to supply and demand of Shares or during periods of market volatility. This risk is heightened in times of market volatility, periods of steep market declines, and periods when there is limited trading activity for Shares in the secondary market, in which case such premiums or discounts may be significant.
Distillate U.S. Fundamental Stability & Value ETF | ETF Risks, Trading Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Trading. Although Shares are listed for trading on the NYSE Arca, Inc. (the “Exchange”) and may be traded on U.S. exchanges other than the Exchange, there can be no assurance that Shares will trade with any volume, or at all, on any stock exchange. In stressed market conditions, the liquidity of Shares may begin to mirror the liquidity of the Fund’s underlying portfolio holdings, which can be significantly less liquid than Shares, and this could lead to differences between the market price of the Shares and the underlying value of those Shares.
Distillate U.S. Fundamental Stability & Value ETF | Large-Capitalization Companies Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Large-Capitalization Companies Risk. The securities of large-capitalization companies may be relatively mature compared to smaller companies and therefore subject to slower growth during times of economic expansion.
Distillate U.S. Fundamental Stability & Value ETF | Management Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Management Risk. The Fund is actively managed and may not meet its investment objective based on the Adviser’s success or failure to implement investment strategies for the Fund. The Adviser relies on quantitative data that may prove to be incorrect or incomplete.
Distillate U.S. Fundamental Stability & Value ETF | Sector Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Sector Risk. To the extent the Fund invests more heavily in particular sectors of the economy, its performance will be especially sensitive to developments that significantly affect those sectors. The Fund may invest a significant portion of its assets in the following sectors and, therefore, the performance of the Fund could be negatively impacted by events affecting each of these sectors.
Health Care Sector Risk. Companies in the health care sector are subject to extensive government regulation and their profitability can be significantly affected by restrictions on government reimbursement for medical expenses, rising costs of medical products and services, pricing pressure (including price discounting), limited product lines, an increased emphasis on the delivery of healthcare through outpatient services, loss or impairment of intellectual property rights and litigation regarding product or service liability.
Industrials Sector Risk. The industrials sector can be significantly affected by, among other things, worldwide economic growth, supply and demand for specific products and services, rapid technological developments, international political and economic developments, environmental issues, tariffs and trade barriers, and tax and governmental regulatory policies. As the demand for, or prices of, industrials increase, the value of the Fund’s investments generally would be expected to also increase. Conversely, declines in the demand for, or prices of, industrials generally would be expected to contribute to declines in the value of such securities. Such declines may occur quickly and without warning and may negatively impact the value of the Fund and your investment.
Information Technology Sector Risk. Market or economic factors impacting information technology companies and companies that rely heavily on technological advances could have a significant effect on the value of the Fund’s investments. The value of stocks of information technology companies and companies that rely heavily on technology is particularly vulnerable to rapid changes in technology product cycles, rapid product obsolescence, government regulation and competition, both domestically and internationally, including competition from foreign competitors with lower production costs. Stocks of information technology companies and companies that rely heavily on technology, especially those of smaller, less-seasoned companies, tend to be more volatile than the overall market. Information technology companies are heavily dependent on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability.
Distillate U.S. Fundamental Stability & Value ETF | Sector Risk, Health Care Sector Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Health Care Sector Risk. Companies in the health care sector are subject to extensive government regulation and their profitability can be significantly affected by restrictions on government reimbursement for medical expenses, rising costs of medical products and services, pricing pressure (including price discounting), limited product lines, an increased emphasis on the delivery of healthcare through outpatient services, loss or impairment of intellectual property rights and litigation regarding product or service liability.
Distillate U.S. Fundamental Stability & Value ETF | Sector Risk, Industrials Sector Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Industrials Sector Risk. The industrials sector can be significantly affected by, among other things, worldwide economic growth, supply and demand for specific products and services, rapid technological developments, international political and economic developments, environmental issues, tariffs and trade barriers, and tax and governmental regulatory policies. As the demand for, or prices of, industrials increase, the value of the Fund’s investments generally would be expected to also increase. Conversely, declines in the demand for, or prices of, industrials generally would be expected to contribute to declines in the value of such securities. Such declines may occur quickly and without warning and may negatively impact the value of the Fund and your investment.
Distillate U.S. Fundamental Stability & Value ETF | Sector Risk, Information Technology Sector Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Information Technology Sector Risk. Market or economic factors impacting information technology companies and companies that rely heavily on technological advances could have a significant effect on the value of the Fund’s investments. The value of stocks of information technology companies and companies that rely heavily on technology is particularly vulnerable to rapid changes in technology product cycles, rapid product obsolescence, government regulation and competition, both domestically and internationally, including competition from foreign competitors with lower production costs. Stocks of information technology companies and companies that rely heavily on technology, especially those of smaller, less-seasoned companies, tend to be more volatile than the overall market. Information technology companies are heavily dependent on patent and intellectual property rights, the loss or impairment of which may adversely affect profitability.
Distillate U.S. Fundamental Stability & Value ETF | S&P 500® Index (reflects no deduction for fees, expenses, or taxes)  
Prospectus [Line Items] rr_ProspectusLineItems  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes (reflects no deduction for fees, expenses, or taxes)
Label rr_AverageAnnualReturnLabel S&P 500® Index(reflects no deduction for fees, expenses, or taxes)
1 Year rr_AverageAnnualReturnYear01 26.29%
5 Years rr_AverageAnnualReturnYear05 15.69%
Since Inception rr_AverageAnnualReturnSinceInception 13.21%
Inception Date rr_AverageAnnualReturnInceptionDate Oct. 23, 2018
Distillate U.S. Fundamental Stability & Value ETF | Distillate U.S. Fundamental Stability & Value ETF  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol DSTL
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.39%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets none
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 0.39%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 40
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 125
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 219
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 493
Annual Return 2019 rr_AnnualReturn2019 34.91%
Annual Return 2020 rr_AnnualReturn2020 19.22%
Annual Return 2021 rr_AnnualReturn2021 28.91%
Annual Return 2022 rr_AnnualReturn2022 (10.58%)
Annual Return 2023 rr_AnnualReturn2023 22.67%
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 22.67%
5 Years rr_AverageAnnualReturnYear05 17.86%
Since Inception rr_AverageAnnualReturnSinceInception 15.37%
Inception Date rr_AverageAnnualReturnInceptionDate Oct. 23, 2018
Distillate U.S. Fundamental Stability & Value ETF | Distillate U.S. Fundamental Stability & Value ETF | After Taxes on Distributions  
Prospectus [Line Items] rr_ProspectusLineItems  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 22.26%
5 Years rr_AverageAnnualReturnYear05 17.54%
Since Inception rr_AverageAnnualReturnSinceInception 15.05%
Distillate U.S. Fundamental Stability & Value ETF | Distillate U.S. Fundamental Stability & Value ETF | After Taxes on Distributions and Sales  
Prospectus [Line Items] rr_ProspectusLineItems  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 13.67%
5 Years rr_AverageAnnualReturnYear05 14.47%
Since Inception rr_AverageAnnualReturnSinceInception 12.38%
Distillate International Fundamental Stability & Value ETF  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk/Return [Heading] rr_RiskReturnHeading Distillate International Fundamental Stability & Value ETF
Objective [Heading] rr_ObjectiveHeading Investment Objective
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock
The Distillate International Fundamental Stability & Value ETF (the “Fund”) seeks long-term capital appreciation.
Expense [Heading] rr_ExpenseHeading Fees and Expenses of the Fund
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock The following table describes the fees and expenses you may pay if you buy, hold, and sell shares of the Fund (“Shares”). You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and Example below.
Operating Expenses Caption [Text] rr_OperatingExpensesCaption Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Portfolio Turnover [Heading] rr_PortfolioTurnoverHeading Portfolio Turnover
Portfolio Turnover [Text Block] rr_PortfolioTurnoverTextBlock The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the Example, affect the Fund’s performance. For the fiscal year ended September 30, 2023, the Fund’s portfolio turnover rate was 75% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 75.00%
Expense Example [Heading] rr_ExpenseExampleHeading Expense Example
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then continue to hold or redeem all of your Shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same.
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Strategy [Heading] rr_StrategyHeading Principal Investment Strategy
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock
The Fund is an actively managed exchange-traded fund (“ETF”) that seeks to achieve its investment objective by investing in globally listed large- and mid-capitalization equity securities and depositary receipts of non-U.S. companies, selected based on the Adviser’s assessment of a company’s valuation, cash flow stability, and balance sheet quality (“fundamental factors”), as described below.
In selecting securities for the Fund, Distillate Capital Partners LLC, the Fund’s investment adviser (“Distillate” or the “Adviser”), first considers companies that meet the Adviser’s criteria for (i) profitability, (ii) historical cash flow, and (iii) liquidity (based on the average daily traded value of the security).
Companies that satisfy such criteria are then reviewed using the Adviser’s proprietary measures of: (i) the company’s valuation, which takes into account the company’s free cash flow yield (a measure comparing a company’s normalized free cash flow to its enterprise value), and (ii) the volatility of the company’s historical and projected cash flows (“cash flow stability”). The Adviser then seeks to identify the most undervalued companies using these proprietary measures. A company’s “normalized” free cash flow reflects its estimated free cash flow, adjusted to account for nonrecurring items. Such “normalized” values enable a more accurate comparison of different companies’ regular free cash flows. A company’s enterprise value is calculated based primarily on the company’s market capitalization and indebtedness.
In assessing a company’s balance sheet quality, the Adviser considers a company’s financial indebtedness. Typically, the Fund does not invest in companies with significant leverage, based on the Adviser’s proprietary debt-to-income calculation.
The Adviser evaluates investments applying the fundamental factor criteria described above and adjusts the Fund’s portfolio accordingly on at least a quarterly basis. The Adviser, in its discretion, may include or exclude companies from the Fund’s portfolio based on unusual data or fundamental conditions that the Adviser believes would cause a security’s inclusion or exclusion to be inconsistent with the Fund’s principal investment strategy. Although the Adviser seeks to select companies that demonstrate fundamental stability, the value of such companies may still be subject to volatility over short or long periods of time.
The Fund may invest in companies in the following geographic regions: the Americas (North America ex-United States & South America), Europe, the Middle East & Africa, Japan, China/Hong Kong, and Asia & Australia ex-Japan/China/Hong Kong. For companies headquartered in China/Hong Kong, only such companies’ Hong Kong-listed securities are eligible for consideration. The Fund eliminates U.S. companies (i.e., those with their headquarters in the United States) from consideration.
The Adviser considers the liquidity of the country’s stock markets, accessibility to foreign investors, operational complexity, price transparency, and capital controls, when selecting securities for the Fund. The Adviser may include a depositary receipt in lieu of a foreign ordinary share. In addition, the Fund may include companies organized in emerging market nations or whose shares trade primarily in emerging market nations.
Companies in the real estate development and real estate investment trust industries, as defined by the FactSet Revere Business Industry Classification Systems (“RBICS”), are eliminated from consideration.
As part of this review, the Adviser generally sells a stock when it no longer satisfies the Adviser’s investment criteria discussed above. A stock will be sold if it becomes overvalued as measured using the Adviser’s measure of free cash flow. This could be the result of stock price appreciation, free cash flow erosion, or other eligible stocks presenting even more attractive valuation opportunities. Additionally, a stock will be sold if the company takes on additional debt or reports a reduction in income such that it no longer satisfies the Adviser’s measure of financial indebtedness. Finally, a stock may be sold if it no longer satisfies the Adviser’s measure of cash flow stability.
As of January 5, 2024, the Fund had significant exposure to companies in Europe and Japan. As of January 5, 2024, the Fund had significant exposure to the consumer sectors.
The Fund is classified as non-diversified and therefore may invest a larger percentage of its assets in the securities of a single company or a smaller number of companies than diversified funds.
Risk [Heading] rr_RiskHeading Principal Investment Risks
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading Performance
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock
The following performance information indicates some of the risks of investing in the Fund. The bar chart shows the Fund’s performance for calendar years ended December 31. The table illustrates how the Fund’s average annual returns for the 1-year and since inception periods compare with those of a broad measure of market performance. The Fund’s past performance, before and after taxes, does not necessarily indicate how it will perform in the future. Updated performance information is available on the Fund’s website at www.distillatefunds.com/dstx.
Prior to April 3, 2023, the Fund operated as an index-based ETF that sought to track the performance of the Distillate International Fundamental Stability & Value Index. Consequently, performance during periods prior to April 3, 2023 does not reflect the Fund’s current investment strategy as an actively-managed ETF. The Fund’s performance may have differed if the Fund’s current strategy had been in place.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following performance information indicates some of the risks of investing in the Fund.
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.distillatefunds.com/dstx
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture The Fund’s past performance, before and after taxes, does not necessarily indicate how it will perform in the future.
Bar Chart [Heading] rr_BarChartHeading Calendar Year Total Returns
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock During the period of time shown in the bar chart, the Fund’s highest quarterly return was 13.69% for the quarter ended December 31, 2022, and the lowest quarterly return was -12.70% for the quarter ended September 30, 2022.
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel highest quarterly return
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Sep. 30, 2022
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 13.69%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel lowest quarterly return
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Dec. 31, 2022
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (12.70%)
Performance Table Heading rr_PerformanceTableHeading Average Annual Total Returns For the Periods Ended December 31, 2023
Performance Table Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate After-tax returns are calculated using the historical highest individual federal marginal income tax rates during the period covered by the table above and do not reflect the impact of state and local taxes.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred After-tax returns shown are not relevant to investors who hold their Shares through tax-deferred arrangements such as an individual retirement account (“IRA”) or other tax-advantaged accounts.
Performance Table Explanation after Tax Higher rr_PerformanceTableExplanationAfterTaxHigher In certain cases, the figure representing “Return After Taxes on Distributions and Sale of Shares” may be higher than the other return figures for the same period. A higher after-tax return results when a capital loss occurs upon redemption and provides an assumed tax deduction that benefits the investor.
Performance Table Closing [Text Block] rr_PerformanceTableClosingTextBlock
After-tax returns are calculated using the historical highest individual federal marginal income tax rates during the period covered by the table above and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. After-tax returns shown are not relevant to investors who hold their Shares through tax-deferred arrangements such as an individual retirement account (“IRA”) or other tax-advantaged accounts. In certain cases, the figure representing “Return After Taxes on Distributions and Sale of Shares” may be higher than the other return figures for the same period. A higher after-tax return results when a capital loss occurs upon redemption and provides an assumed tax deduction that benefits the investor.
Distillate International Fundamental Stability & Value ETF | Risk Lose Money [Member]  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock As with any investment, there is a risk that you could lose all or a portion of your investment in the Fund.
Distillate International Fundamental Stability & Value ETF | Capital Controls and Sanctions Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Capital Controls and Sanctions Risk. Economic conditions, such as volatile currency exchange rates and interest rates, political events, military action and other conditions may, without prior warning, lead to foreign government intervention (including intervention by the U.S. government with respect to foreign governments, economic sectors, foreign companies and related securities and interests) and the imposition of capital controls and/or sanctions, which may also include retaliatory actions of one government against another government, such as seizure of assets. Capital controls and/or sanctions include the prohibition of, or restrictions on, the ability to transfer currency, securities or other assets. Capital controls and/or sanctions may also impact the ability of the Fund to buy, sell or otherwise transfer securities or currency, negatively impact the value and/or liquidity of such instruments, adversely affect the trading market and price for Shares, and cause the Fund to decline in value.
Distillate International Fundamental Stability & Value ETF | Currency Exchange Rate Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Currency Exchange Rate Risk. The Fund invests primarily in investments denominated in non-U.S. currencies or in securities that provide exposure to such currencies. Changes in currency exchange rates and the relative value of non-U.S. currencies will affect the value of the Fund’s investment and the value of your Shares. Currency exchange rates can be very volatile and can change quickly and unpredictably. As a result, the value of an investment in the Fund may change quickly and without warning and you may lose money.
Distillate International Fundamental Stability & Value ETF | Depositary Receipt Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Depositary Receipt Risk. Depositary Receipts involve risks similar to those associated with investments in foreign securities, such as changes in political or economic conditions of other countries and changes in the exchange rates of foreign currencies. Depositary Receipts listed on U.S. exchanges are issued by banks or trust companies and entitle the holder to all dividends and capital gains that are paid out on the underlying foreign shares (“Underlying Shares”). When the Fund invests in Depositary Receipts as a substitute for an investment directly in the Underlying Shares, the Fund is exposed to the risk that the Depositary Receipts may not provide a return that corresponds precisely with that of the Underlying Shares.
Distillate International Fundamental Stability & Value ETF | Emerging Markets Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Emerging Markets Risk. The Fund may invest in companies organized in emerging market nations. Investments in securities and instruments traded in developing or emerging markets, or that provide exposure to such securities or markets, can involve additional risks relating to political, economic, or regulatory conditions not associated with investments in U.S. securities and instruments or investments in more developed international markets. Such conditions may impact the ability of the Fund to buy, sell or otherwise transfer securities, adversely affect the trading market and price for Shares and cause the Fund to decline in value.
Distillate International Fundamental Stability & Value ETF | Equity Market Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Equity Market Risk. The equity securities held in the Fund’s portfolio may experience sudden, unpredictable drops in value or long periods of decline in value. This may occur because of factors that affect securities markets generally or factors affecting specific issuers, industries, or sectors in which the Fund invests. Common stocks are generally exposed to greater risk than other types of securities, such as preferred stock and debt obligations, because common stockholders generally have inferior rights to receive payment from issuers. In addition, local, regional or global events such as war, including Russia’s invasion of Ukraine, acts of terrorism, spread of infectious diseases or other public health issues (such as the global pandemic caused by the COVID-19 virus), recessions, rising inflation, or other events could have a significant negative impact on the Fund and its investments. Such events may affect certain geographic regions, countries, sectors and industries more significantly than others. Such events could adversely affect the prices and liquidity of the Fund’s portfolio securities or other instruments and could result in disruptions in the trading markets.
Distillate International Fundamental Stability & Value ETF | ETF Risks Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock ETF Risks. The Fund is an ETF, and, as a result of an ETF’s structure, it is exposed to the following risks:
Authorized Participants, Market Makers, and Liquidity Providers Concentration Risk. The Fund has a limited number of financial institutions that may act as Authorized Participants (“APs”). In addition, there may be a limited number of market makers and/or liquidity providers in the marketplace. To the extent either of the following events occur, Shares may trade at a material discount to NAV and possibly face delisting: (i) APs exit the business or otherwise become unable to process creation and/or redemption orders and no other APs step forward to perform these services, or (ii) market makers and/or liquidity providers exit the business or significantly reduce their business activities and no other entities step forward to perform their functions.
Costs of Buying or Selling Shares. Due to the costs of buying or selling Shares, including brokerage commissions imposed by brokers and bid-ask spreads, frequent trading of Shares may significantly reduce investment results and an investment in Shares may not be advisable for investors who anticipate regularly making small investments.
Shares May Trade at Prices Other Than NAV. As with all ETFs, Shares may be bought and sold in the secondary market at market prices. Although it is expected that the market price of Shares will approximate the Fund’s NAV, there may be times when the market price of Shares is more than the NAV intra-day (premium) or less than the NAV intra-day (discount) due to supply and demand of Shares or during periods of market volatility. This risk is heightened in times of market volatility, periods of steep market declines, and periods when there is limited trading activity for Shares in the secondary market, in which case such premiums or discounts may be significant. Because securities held by the Fund may trade on foreign exchanges that are closed when the Fund’s primary listing exchange is open, there are likely to be deviations between the current price of a security and the security’s last quoted price from the closed foreign market. This may result in premiums and discounts that are greater than those experienced by domestic ETFs.
Trading. Although Shares are listed for trading on the New York Stock Exchange (the “Exchange”) and may be traded on U.S. exchanges other than the Exchange, there can be no assurance that Shares will trade with any volume, or at all, on any stock exchange. In stressed market conditions, the liquidity of Shares may begin to mirror the liquidity of the Fund’s underlying portfolio holdings, which can be significantly less liquid than Shares, and this could lead to differences between the market price of the Shares and the underlying value of those Shares.
Distillate International Fundamental Stability & Value ETF | ETF Risks, Authorized Participants, Market Makers, And Liquidity Providers Concentration Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Authorized Participants, Market Makers, and Liquidity Providers Concentration Risk. The Fund has a limited number of financial institutions that may act as Authorized Participants (“APs”). In addition, there may be a limited number of market makers and/or liquidity providers in the marketplace. To the extent either of the following events occur, Shares may trade at a material discount to NAV and possibly face delisting: (i) APs exit the business or otherwise become unable to process creation and/or redemption orders and no other APs step forward to perform these services, or (ii) market makers and/or liquidity providers exit the business or significantly reduce their business activities and no other entities step forward to perform their functions.
Distillate International Fundamental Stability & Value ETF | ETF Risks, Costs of Buying Or Selling Shares Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Costs of Buying or Selling Shares. Due to the costs of buying or selling Shares, including brokerage commissions imposed by brokers and bid-ask spreads, frequent trading of Shares may significantly reduce investment results and an investment in Shares may not be advisable for investors who anticipate regularly making small investments.
Distillate International Fundamental Stability & Value ETF | ETF Risks, Shares May Trade At Prices Other Than NAV Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Shares May Trade at Prices Other Than NAV. As with all ETFs, Shares may be bought and sold in the secondary market at market prices. Although it is expected that the market price of Shares will approximate the Fund’s NAV, there may be times when the market price of Shares is more than the NAV intra-day (premium) or less than the NAV intra-day (discount) due to supply and demand of Shares or during periods of market volatility. This risk is heightened in times of market volatility, periods of steep market declines, and periods when there is limited trading activity for Shares in the secondary market, in which case such premiums or discounts may be significant. Because securities held by the Fund may trade on foreign exchanges that are closed when the Fund’s primary listing exchange is open, there are likely to be deviations between the current price of a security and the security’s last quoted price from the closed foreign market. This may result in premiums and discounts that are greater than those experienced by domestic ETFs.
Distillate International Fundamental Stability & Value ETF | ETF Risks, Trading Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock the New York Stock Exchange (the “Exchange”) and may be traded on U.S. exchanges other than the Exchange, there can be no assurance that Shares will trade with any volume, or at all, on any stock exchange. In stressed market conditions, the liquidity of Shares may begin to mirror the liquidity of the Fund’s underlying portfolio holdings, which can be significantly less liquid than Shares, and this could lead to differences between the market price of the Shares and the underlying value of those Shares.
Distillate International Fundamental Stability & Value ETF | Foreign Securities Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Foreign Securities Risk. Investments in non-U.S. securities involve certain risks that may not be present with investments in U.S. securities. For example, investments in non-U.S. securities may be subject to risk of loss due to foreign currency fluctuations or to political or economic instability. Investments in non-U.S. securities also may be subject to withholding or other taxes and may be subject to additional trading, settlement, custodial, and operational risks. These and other factors can make investments in the Fund more volatile and potentially less liquid than other types of investments. Companies in many foreign markets are not subject to the same degree of regulatory requirements, accounting standards or auditor oversight as companies in the U.S., and as a result, information about the securities in which the Fund invests may be less reliable or complete. Foreign markets often have less reliable securities valuations and greater risk associated with the custody of securities than the U.S. There may be significant obstacles to obtaining information necessary for investigations into or litigation against companies and shareholders may have limited legal remedies.
Distillate International Fundamental Stability & Value ETF | Geographic Investment Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Geographic Investment Risk. To the extent the Fund invests a significant portion of its assets in the securities of companies of a single country or region, it is more likely to be impacted by events or conditions affecting that country or region.
Risks Related to Investing in Europe. The economies and markets of European countries are often closely connected and interdependent, and events in one country in Europe can have an adverse impact on other European countries. The Fund makes investments in securities of issuers that are domiciled in, or have significant operations in, member countries of the
European Union (“EU”) that are subject to economic and monetary controls that can adversely affect the Fund’s investments. The European financial markets have experienced volatility and adverse trends in recent years and these events have adversely affected the exchange rate of the euro and may continue to significantly affect other European countries. Decreasing imports or exports, changes in governmental or EU regulations on trade, changes in the exchange rate of the euro, the default or threat of default by an EU member country on its sovereign debt, and/or an economic recession in an EU member country may have a significant adverse effect on the economies of EU member countries and their trading partners, including some or all of the European countries in which the Fund invests. Acts of war in Europe, including Russia’s large-scale military invasion of Ukraine, and the resulting sanctions by and against European nations could also have a severe adverse effect on both European and global economies, which in turn could affect the value of the Fund’s investments.
The United Kingdom (“UK”) formally exited from the EU on January 31, 2020 (known as “Brexit”), and effective December 31, 2020, the UK ended a transition period during which it continued to abide by the EU’s rules and the UK’s trade relationships with the EU were generally unchanged. Following this transition period, the impact on the UK and European economies and the broader global economy could be significant, resulting in negative impacts, such as increased volatility and illiquidity, and potentially lower economic growth of markets in the UK, Europe and globally, which may adversely affect the value of the Fund’s investments.
Russia’s large-scale invasion of Ukraine on February 24, 2022 has led to various countries imposing economic sanctions on certain Russian individuals and Russian corporate and banking entities. A number of jurisdictions have also instituted broader sanctions on Russia. Further, as of the date of this Prospectus, the Russian securities markets effectively have not been open for trading by foreign investors since February 28, 2022. Russia’s military incursion and resulting sanctions could have a severe adverse effect on both regional and global economies, which in turn could affect the value of the Fund’s investments.
Risks Related to Investing in Japan. The Japanese economy may be subject to considerable degrees of economic, political and social instability, which could have a negative impact on Japanese securities. While the Japanese economy has recently emerged from a prolonged economic downturn, Japan’s economic growth rate may remain relatively low in the future. In addition, Japan is subject to the risk of natural disasters, such as earthquakes, volcanoes, typhoons and tsunamis. Additionally, decreasing U.S. imports, new trade regulations, changes in the U.S. dollar exchange rates, a recession in the United States or continued increases in foreclosure rates may have an adverse impact on the economy of Japan. Japan also has few natural resources, and any fluctuation or shortage in the commodity markets could have a negative impact on Japanese securities.
Distillate International Fundamental Stability & Value ETF | Geographic Investment Risk, Risks Of Investing In Europe Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Risks Related to Investing in Europe. The economies and markets of European countries are often closely connected and interdependent, and events in one country in Europe can have an adverse impact on other European countries. The Fund makes investments in securities of issuers that are domiciled in, or have significant operations in, member countries of the
European Union (“EU”) that are subject to economic and monetary controls that can adversely affect the Fund’s investments. The European financial markets have experienced volatility and adverse trends in recent years and these events have adversely affected the exchange rate of the euro and may continue to significantly affect other European countries. Decreasing imports or exports, changes in governmental or EU regulations on trade, changes in the exchange rate of the euro, the default or threat of default by an EU member country on its sovereign debt, and/or an economic recession in an EU member country may have a significant adverse effect on the economies of EU member countries and their trading partners, including some or all of the European countries in which the Fund invests. Acts of war in Europe, including Russia’s large-scale military invasion of Ukraine, and the resulting sanctions by and against European nations could also have a severe adverse effect on both European and global economies, which in turn could affect the value of the Fund’s investments.
The United Kingdom (“UK”) formally exited from the EU on January 31, 2020 (known as “Brexit”), and effective December 31, 2020, the UK ended a transition period during which it continued to abide by the EU’s rules and the UK’s trade relationships with the EU were generally unchanged. Following this transition period, the impact on the UK and European economies and the broader global economy could be significant, resulting in negative impacts, such as increased volatility and illiquidity, and potentially lower economic growth of markets in the UK, Europe and globally, which may adversely affect the value of the Fund’s investments.
Russia’s large-scale invasion of Ukraine on February 24, 2022 has led to various countries imposing economic sanctions on certain Russian individuals and Russian corporate and banking entities. A number of jurisdictions have also instituted broader sanctions on Russia. Further, as of the date of this Prospectus, the Russian securities markets effectively have not been open for trading by foreign investors since February 28, 2022. Russia’s military incursion and resulting sanctions could have a severe adverse effect on both regional and global economies, which in turn could affect the value of the Fund’s investments.
Distillate International Fundamental Stability & Value ETF | Geographic Investment Risk, Risks Of Investing In Japan Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Risks Related to Investing in Japan. The Japanese economy may be subject to considerable degrees of economic, political and social instability, which could have a negative impact on Japanese securities. While the Japanese economy has recently emerged from a prolonged economic downturn, Japan’s economic growth rate may remain relatively low in the future. In addition, Japan is subject to the risk of natural disasters, such as earthquakes, volcanoes, typhoons and tsunamis. Additionally, decreasing U.S. imports, new trade regulations, changes in the U.S. dollar exchange rates, a recession in the United States or continued increases in foreclosure rates may have an adverse impact on the economy of Japan. Japan also has few natural resources, and any fluctuation or shortage in the commodity markets could have a negative impact on Japanese securities.
Distillate International Fundamental Stability & Value ETF | Management Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Management Risk. The Fund is actively managed and may not meet its investment objective based on the Adviser’s success or failure to implement investment strategies for the Fund. The Adviser relies on quantitative data that may prove to be incorrect or incomplete.
Distillate International Fundamental Stability & Value ETF | Market Capitalization Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Market Capitalization Risk.
Large-Capitalization Investing. The securities of large-capitalization companies may be relatively mature compared to smaller companies and therefore subject to slower growth during times of economic expansion. Large-capitalization companies may also be unable to respond quickly to new competitive challenges, such as changes in technology and consumer tastes.
Mid-Capitalization Investing. The securities of mid-capitalization companies may be more vulnerable to adverse issuer, market, political, or economic developments than securities of large-capitalization companies, but they may also be subject to slower growth than small-capitalization companies during times of economic expansion. The securities of mid-capitalization companies generally trade in lower volumes and are subject to greater and more unpredictable price changes than large capitalization stocks or the stock market as a whole, but they may also be nimbler and more responsive to new challenges than large-capitalization companies. Some mid-capitalization companies have limited product lines, markets, financial resources, and management personnel and tend to concentrate on fewer geographical markets relative to large-capitalization companies.
Distillate International Fundamental Stability & Value ETF | Market Capitalization Risk, Large-Capitalization Investing Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Large-Capitalization Investing. The securities of large-capitalization companies may be relatively mature compared to smaller companies and therefore subject to slower growth during times of economic expansion. Large-capitalization companies may also be unable to respond quickly to new competitive challenges, such as changes in technology and consumer tastes.
Distillate International Fundamental Stability & Value ETF | Market Capitalization Risk, Mid-Capitalization Investing Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Mid-Capitalization Investing. The securities of mid-capitalization companies may be more vulnerable to adverse issuer, market, political, or economic developments than securities of large-capitalization companies, but they may also be subject to slower growth than small-capitalization companies during times of economic expansion. The securities of mid-capitalization companies generally trade in lower volumes and are subject to greater and more unpredictable price changes than large capitalization stocks or the stock market as a whole, but they may also be nimbler and more responsive to new challenges than large-capitalization companies. Some mid-capitalization companies have limited product lines, markets, financial resources, and management personnel and tend to concentrate on fewer geographical markets relative to large-capitalization companies.
Distillate International Fundamental Stability & Value ETF | Risk Nondiversified Status [Member]  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Non-Diversification Risk. The Fund is considered to be non-diversified, which means that it may invest more of its assets in the securities of a single issuer or a smaller number of issuers than if it were a diversified fund. As a result, the Fund may be more exposed to the risks associated with and developments affecting an individual issuer or a smaller number of issuers than a fund that invests more widely. This may increase the Fund’s volatility and cause the performance of a relatively smaller number of issuers to have a greater impact on the Fund’s performance. However, the Fund intends to satisfy the diversification requirements for qualifying as a regulated investment company (“RIC”) under Subchapter M of the Internal Revenue Code of 1986, as amended (the “Code”).
Distillate International Fundamental Stability & Value ETF | Portfolio Turnover Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Portfolio Turnover Risk. The Fund may frequently buy and sell portfolio securities and other assets to rebalance the Fund’s exposure to specific securities. Higher portfolio turnover may result in the Fund paying higher levels of transaction costs and generating greater tax liabilities for shareholders. Portfolio turnover risk may cause the Fund’s performance to be less than you expect.
Distillate International Fundamental Stability & Value ETF | Sector Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Sector Risk. To the extent the Fund invests more heavily in particular sectors of the economy, its performance will be especially sensitive to developments that significantly affect those sectors. The Fund may invest a significant portion of its assets in the following sectors and, therefore, the performance of the Fund could be negatively impacted by events affecting each of these sectors.
Consumer Sectors Risk. The success of consumer product manufacturers and retailers is tied closely to the performance of domestic and international economies, interest rates, exchange rates, competition, consumer confidence, tariffs and trade barriers, changes in demographics, and consumer preferences. Companies in consumer-oriented sectors depend heavily on disposable household income and consumer spending, and may be strongly affected by social trends and marketing campaigns. These companies may be subject to severe competition, which may have an adverse impact on their profitability.
Distillate International Fundamental Stability & Value ETF | Sector Risk, Consumer Sectors Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Consumer Sectors Risk. The success of consumer product manufacturers and retailers is tied closely to the performance of domestic and international economies, interest rates, exchange rates, competition, consumer confidence, tariffs and trade barriers, changes in demographics, and consumer preferences. Companies in consumer-oriented sectors depend heavily on disposable household income and consumer spending, and may be strongly affected by social trends and marketing campaigns. These companies may be subject to severe competition, which may have an adverse impact on their profitability.
Distillate International Fundamental Stability & Value ETF | Morningstar Global Markets ex-US Index (reflects no deduction for fees, expenses, or taxes)  
Prospectus [Line Items] rr_ProspectusLineItems  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes (reflects no deduction for fees, expenses, or taxes)
Label rr_AverageAnnualReturnLabel Morningstar Global Markets ex-US Index(reflects no deduction for fees, expenses, or taxes)
1 Year rr_AverageAnnualReturnYear01 15.59%
Since Inception rr_AverageAnnualReturnSinceInception 2.54%
Inception Date rr_AverageAnnualReturnInceptionDate Dec. 14, 2020
Distillate International Fundamental Stability & Value ETF | Distillate International Fundamental Stability & Value ETF  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol DSTX
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.55%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets none
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 0.55%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 56
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 176
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 307
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 689
Annual Return 2021 rr_AnnualReturn2021 1.67%
Annual Return 2022 rr_AnnualReturn2022 (18.68%)
Annual Return 2023 rr_AnnualReturn2023 20.10%
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 20.10%
Since Inception rr_AverageAnnualReturnSinceInception 0.81%
Inception Date rr_AverageAnnualReturnInceptionDate Dec. 14, 2020
Distillate International Fundamental Stability & Value ETF | Distillate International Fundamental Stability & Value ETF | After Taxes on Distributions  
Prospectus [Line Items] rr_ProspectusLineItems  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 19.88%
Since Inception rr_AverageAnnualReturnSinceInception 0.47%
Distillate International Fundamental Stability & Value ETF | Distillate International Fundamental Stability & Value ETF | After Taxes on Distributions and Sales  
Prospectus [Line Items] rr_ProspectusLineItems  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 12.56%
Since Inception rr_AverageAnnualReturnSinceInception 0.85%
Distillate Small/Mid Cash Flow ETF  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk/Return [Heading] rr_RiskReturnHeading Distillate Small/Mid Cash Flow ETF
Objective [Heading] rr_ObjectiveHeading Investment Objective
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock
The Distillate Small/Mid Cash Flow ETF (the “Fund”) seeks capital appreciation.
Expense [Heading] rr_ExpenseHeading Fees and Expenses of the Fund
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock The following table describes the fees and expenses you may pay if you buy, hold, and sell shares of the Fund (“Shares”). You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the table and Example below.
Operating Expenses Caption [Text] rr_OperatingExpensesCaption Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Portfolio Turnover [Heading] rr_PortfolioTurnoverHeading Portfolio Turnover
Portfolio Turnover [Text Block] rr_PortfolioTurnoverTextBlock The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the Example, affect the Fund’s performance. For the fiscal year ended September 30, 2023, the Fund’s portfolio turnover rate was 66% of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 66.00%
Expense Example [Heading] rr_ExpenseExampleHeading Expense Example
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then continue to hold or redeem all of your Shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses remain the same.
Expense Example by, Year, Caption [Text] rr_ExpenseExampleByYearCaption Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Strategy [Heading] rr_StrategyHeading Principal Investment Strategy
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock
The Fund is an actively managed exchange-traded fund (“ETF”) that seeks to achieve its investment objective by investing in equity securities of small- and mid-capitalization companies. The Fund considers companies whose market capitalization, at the time of purchase, places them in the lowest 15% of the total market capitalization of the U.S. equity market to be small-cap and mid-cap companies. Under these market capitalization guidelines, based on market capitalization data as of January 11, 2024, the market capitalization of such a company would be equal to or less than $15,791 million. This threshold will change due to market conditions.
In selecting securities for the Fund, Distillate Capital Partners LLC, the Fund’s investment adviser (“Distillate” or the “Adviser”) considers companies that: (i) are headquartered in the United States; (ii) have sufficient liquidity (based on the average daily traded value of the security); (iii) have reported free cash flow data for the last three fiscal years; and (iv) have a forward earnings before interest, taxes, depreciation and amortization (“EBITDA”) estimate. Further, companies for which there is a negative forward 12 month free cash flow estimate from FactSet Research Systems, Inc. will be eliminated from consideration.
Companies are then reviewed using the Adviser’s proprietary measure of the company’s free cash flow yield (a measure comparing a company’s normalized free cash flow to its enterprise value). In selecting securities, the Adviser seeks to identify the most undervalued companies using this proprietary measure. The Adviser also considers a company’s financial indebtedness to measure quality; the Fund does typically not invest in companies with significant leverage, based on the Adviser’s proprietary debt-to-income calculation. A company’s valuation and leverage calculation are referred to as “fundamental factors.” The Adviser may include or exclude companies from the Fund’s portfolio based on unusual data or fundamental conditions that the Adviser believes would cause a security’s inclusion or exclusion to go against the spirit of the fundamental factors.
The Adviser generally sells a stock when it no longer satisfies the Adviser’s investment criteria discussed above. A stock will be sold if it becomes overvalued as measured using the Adviser’s measure of free cash flow. This could be the result of stock price appreciation, free cash flow erosion, or other eligible stocks presenting even more attractive valuation opportunities. Additionally, a stock will be sold if the company takes on additional debt or reports a reduction in income such that it no longer satisfies the Adviser’s measure of financial indebtedness.
Under normal circumstances, at least 80% of the Fund’s net assets, plus borrowings for investment purposes, will be invested in small- and mid-capitalization companies. A company whose capitalization is no longer within the market capitalization range of small- or mid-capitalization companies (as defined herein) after the purchase of its shares by the Fund will continue to be considered a small- or mid-capitalization company for purposes of the 80% policy.
Strategy Portfolio Concentration [Text] rr_StrategyPortfolioConcentration Under normal circumstances, at least 80% of the Fund’s net assets, plus borrowings for investment purposes, will be invested in small- and mid-capitalization companies. A company whose capitalization is no longer within the market capitalization range of small- or mid-capitalization companies (as defined herein) after the purchase of its shares by the Fund will continue to be considered a small- or mid-capitalization company for purposes of the 80% policy.
Risk [Heading] rr_RiskHeading Principal Investment Risks
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading Performance
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock The following performance information indicates some of the risks of investing in the Fund. The bar chart shows the Fund’s performance for calendar years ended December 31. The table illustrates how the Fund’s average annual returns for the 1-year and since inception periods compare with those of a broad measure of market performance. The Fund’s past performance, before and after taxes, does not necessarily indicate how it will perform in the future. Updated performance information is available on the Fund’s website at www.distillatefunds.com/dsmc.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns The following performance information indicates some of the risks of investing in the Fund.
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress www.distillatefunds.com/dsmc
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture The Fund’s past performance, before and after taxes, does not necessarily indicate how it will perform in the future.
Bar Chart [Heading] rr_BarChartHeading Calendar Year Total Returns
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock During the period of time shown in the bar chart, the Fund’s highest quarterly return was 12.66% for the quarter ended December 31, 2023, and the lowest quarterly return was 2.03% for the quarter ended September 30, 2023.
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel highest quarterly return
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Dec. 31, 2023
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 12.66%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel lowest quarterly return
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Sep. 30, 2023
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn 2.03%
Performance Table Heading rr_PerformanceTableHeading Average Annual Total Returns For the Periods Ended December 31, 2023
Performance Table Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate After-tax returns are calculated using the historical highest individual federal marginal income tax rates during the period covered by the table above and do not reflect the impact of state and local taxes.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred After-tax returns shown are not relevant to investors who hold their Shares through tax-deferred arrangements such as an individual retirement account (“IRA”) or other tax-advantaged accounts.
Performance Table Explanation after Tax Higher rr_PerformanceTableExplanationAfterTaxHigher In certain cases, the figure representing “Return After Taxes on Distributions and Sale of Shares” may be higher than the other return figures for the same period. A higher after-tax return results when a capital loss occurs upon redemption and provides an assumed tax deduction that benefits the investor.
Performance Table Closing [Text Block] rr_PerformanceTableClosingTextBlock
After-tax returns are calculated using the historical highest individual federal marginal income tax rates during the period covered by the table above and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. After-tax returns shown are not relevant to investors who hold their Shares through tax-deferred arrangements such as an individual retirement account (“IRA”) or other tax-advantaged accounts. In certain cases, the figure representing “Return After Taxes on Distributions and Sale of Shares” may be higher than the other return figures for the same period. A higher after-tax return results when a capital loss occurs upon redemption and provides an assumed tax deduction that benefits the investor.
Distillate Small/Mid Cash Flow ETF | Risk Lose Money [Member]  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock As with any investment, there is a risk that you could lose all or a portion of your investment in the Fund.
Distillate Small/Mid Cash Flow ETF | Equity Market Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Equity Market Risk. The equity securities held in the Fund’s portfolio may experience sudden, unpredictable drops in value or long periods of decline in value. This may occur because of factors that affect securities markets generally or factors affecting specific issuers, industries, or sectors in which the Fund invests. Common stocks are generally exposed to greater risk than other types of securities, such as preferred stock and debt obligations, because common stockholders generally have inferior rights to receive payment from issuers. In addition, local, regional or global events such as war, including Russia’s invasion of Ukraine, acts of terrorism, spread of infectious diseases or other public health issues (such as the global pandemic caused by the COVID-19 virus), recessions, rising inflation, or other events could have a significant negative impact on the Fund and its investments. Such events may affect certain geographic regions, countries, sectors and industries more significantly than others. Such events could adversely affect the prices and liquidity of the Fund’s portfolio securities or other instruments and could result in disruptions in the trading markets.
Distillate Small/Mid Cash Flow ETF | ETF Risks Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock ETF Risks. The Fund is an ETF, and, as a result of an ETF’s structure, it is exposed to the following risks:
Authorized Participants, Market Makers, and Liquidity Providers Concentration Risk. The Fund has a limited number of financial institutions that may act as Authorized Participants (“APs”). In addition, there may be a limited number of market makers and/or liquidity providers in the marketplace. To the extent either of the following events occur, Shares may trade at a material discount to NAV and possibly face delisting: (i) APs exit the business or otherwise become unable to process creation and/or redemption orders and no other APs step forward to perform these services, or (ii) market makers and/or liquidity providers exit the business or significantly reduce their business activities and no other entities step forward to perform their functions.
Costs of Buying or Selling Shares. Due to the costs of buying or selling Shares, including brokerage commissions imposed by brokers and bid-ask spreads, frequent trading of Shares may significantly reduce investment results and an investment in Shares may not be advisable for investors who anticipate regularly making small investments.
Shares May Trade at Prices Other Than NAV. As with all ETFs, Shares may be bought and sold in the secondary market at market prices. Although it is expected that the market price of Shares will approximate the Fund’s NAV, there may be times when the market price of Shares is more than the NAV intra-day (premium) or less than the NAV intra-day (discount) due to supply and demand of Shares or during periods of market volatility. This risk is heightened in times of market volatility, periods of steep market declines, and periods when there is limited trading activity for Shares in the secondary market, in which case such premiums or discounts may be significant.
Trading. Although Shares are listed for trading on the New York Stock Exchange (the “Exchange”) and may be traded on U.S. exchanges other than the Exchange, there can be no assurance that Shares will trade with any volume, or at all, on any stock exchange. In stressed market conditions, the liquidity of Shares may begin to mirror the liquidity of the Fund’s underlying portfolio holdings, which can be significantly less liquid than Shares, and this could lead to differences between the market price of the Shares and the underlying value of those Shares.
Distillate Small/Mid Cash Flow ETF | ETF Risks, Authorized Participants, Market Makers, And Liquidity Providers Concentration Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Authorized Participants, Market Makers, and Liquidity Providers Concentration Risk. The Fund has a limited number of financial institutions that may act as Authorized Participants (“APs”). In addition, there may be a limited number of market makers and/or liquidity providers in the marketplace. To the extent either of the following events occur, Shares may trade at a material discount to NAV and possibly face delisting: (i) APs exit the business or otherwise become unable to process creation and/or redemption orders and no other APs step forward to perform these services, or (ii) market makers and/or liquidity providers exit the business or significantly reduce their business activities and no other entities step forward to perform their functions.
Distillate Small/Mid Cash Flow ETF | ETF Risks, Costs of Buying Or Selling Shares Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Costs of Buying or Selling Shares. Due to the costs of buying or selling Shares, including brokerage commissions imposed by brokers and bid-ask spreads, frequent trading of Shares may significantly reduce investment results and an investment in Shares may not be advisable for investors who anticipate regularly making small investments.
Distillate Small/Mid Cash Flow ETF | ETF Risks, Shares May Trade At Prices Other Than NAV Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Shares May Trade at Prices Other Than NAV. As with all ETFs, Shares may be bought and sold in the secondary market at market prices. Although it is expected that the market price of Shares will approximate the Fund’s NAV, there may be times when the market price of Shares is more than the NAV intra-day (premium) or less than the NAV intra-day (discount) due to supply and demand of Shares or during periods of market volatility. This risk is heightened in times of market volatility, periods of steep market declines, and periods when there is limited trading activity for Shares in the secondary market, in which case such premiums or discounts may be significant.
Distillate Small/Mid Cash Flow ETF | ETF Risks, Trading Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Trading. Although Shares are listed for trading on the New York Stock Exchange (the “Exchange”) and may be traded on U.S. exchanges other than the Exchange, there can be no assurance that Shares will trade with any volume, or at all, on any stock exchange. In stressed market conditions, the liquidity of Shares may begin to mirror the liquidity of the Fund’s underlying portfolio holdings, which can be significantly less liquid than Shares, and this could lead to differences between the market price of the Shares and the underlying value of those Shares.
Distillate Small/Mid Cash Flow ETF | Limited Operating History Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Limited Operating History Risk. The Fund is a recently organized investment company with a limited operating history. As a result, prospective investors have a limited track record or history on which to base their investment decision.
Distillate Small/Mid Cash Flow ETF | Management Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Management Risk. The Fund is actively managed and may not meet its investment objective based on the Adviser’s success or failure to implement investment strategies for the Fund.
Distillate Small/Mid Cash Flow ETF | Market Capitalization Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Market Capitalization Risk.
Mid-Capitalization Investing The securities of mid-capitalization companies may be more vulnerable to adverse issuer, market, political, or economic developments than securities of large-capitalization companies, but they may also be subject to
slower growth than small-capitalization companies during times of economic expansion. The securities of mid-capitalization companies generally trade in lower volumes and are subject to greater and more unpredictable price changes than large capitalization stocks or the stock market as a whole, but they may also be nimbler and more responsive to new challenges than large-capitalization companies. Some mid-capitalization companies have limited product lines, markets, financial resources, and management personnel and tend to concentrate on fewer geographical markets relative to large-capitalization companies.
Small-Capitalization Investing The securities of small-capitalization companies may be more vulnerable to adverse issuer, market, political, or economic developments than securities of larger-capitalization companies. The securities of small-capitalization companies generally trade in lower volumes and are subject to greater and more unpredictable price changes than larger capitalization stocks or the stock market as a whole. Some small capitalization companies have limited product lines, markets, and financial and managerial resources and tend to concentrate on fewer geographical markets relative to larger capitalization companies. There is typically less publicly available information concerning smaller-capitalization companies than for larger, more established companies. Small-capitalization companies also may be particularly sensitive to changes in interest rates, government regulation, borrowing costs and earnings.
Distillate Small/Mid Cash Flow ETF | Market Capitalization Risk, Mid-Capitalization Investing Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Mid-Capitalization Investing The securities of mid-capitalization companies may be more vulnerable to adverse issuer, market, political, or economic developments than securities of large-capitalization companies, but they may also be subject to slower growth than small-capitalization companies during times of economic expansion. The securities of mid-capitalization companies generally trade in lower volumes and are subject to greater and more unpredictable price changes than large capitalization stocks or the stock market as a whole, but they may also be nimbler and more responsive to new challenges than large-capitalization companies. Some mid-capitalization companies have limited product lines, markets, financial resources, and management personnel and tend to concentrate on fewer geographical markets relative to large-capitalization companies.
Distillate Small/Mid Cash Flow ETF | Market Capitalization Risk, Small-Capitalization Investing Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Small-Capitalization Investing The securities of small-capitalization companies may be more vulnerable to adverse issuer, market, political, or economic developments than securities of larger-capitalization companies. The securities of small-capitalization companies generally trade in lower volumes and are subject to greater and more unpredictable price changes than larger capitalization stocks or the stock market as a whole. Some small capitalization companies have limited product lines, markets, and financial and managerial resources and tend to concentrate on fewer geographical markets relative to larger capitalization companies. There is typically less publicly available information concerning smaller-capitalization companies than for larger, more established companies. Small-capitalization companies also may be particularly sensitive to changes in interest rates, government regulation, borrowing costs and earnings.
Distillate Small/Mid Cash Flow ETF | Portfolio Turnover Risk Member  
Prospectus [Line Items] rr_ProspectusLineItems  
Risk Narrative [Text Block] rr_RiskTextBlock Portfolio Turnover Risk. The Fund may frequently buy and sell portfolio securities and other assets to rebalance the Fund’s exposure to specific securities. Higher portfolio turnover may result in the Fund paying higher levels of transaction costs and generating greater tax liabilities for shareholders. Portfolio turnover risk may cause the Fund’s performance to be less than you expect.
Distillate Small/Mid Cash Flow ETF | Morningstar Global Markets ex-US Index (reflects no deduction for fees, expenses, or taxes)  
Prospectus [Line Items] rr_ProspectusLineItems  
Index No Deduction for Fees, Expenses, Taxes [Text] rr_IndexNoDeductionForFeesExpensesTaxes (reflects no deduction for fees, expenses, or taxes)
Label rr_AverageAnnualReturnLabel Morningstar Global Markets ex-US Index(reflects no deduction for fees, expenses, or taxes)
1 Year rr_AverageAnnualReturnYear01 20.59%
Since Inception rr_AverageAnnualReturnSinceInception 17.85%
Inception Date rr_AverageAnnualReturnInceptionDate Oct. 05, 2022
Distillate Small/Mid Cash Flow ETF | Distillate Small/Mid Cash Flow ETF  
Prospectus [Line Items] rr_ProspectusLineItems  
Trading Symbol dei_TradingSymbol DSMC
Management Fees (as a percentage of Assets) rr_ManagementFeesOverAssets 0.55%
Distribution and Service (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses (as a percentage of Assets): rr_OtherExpensesOverAssets none
Expenses (as a percentage of Assets) rr_ExpensesOverAssets 0.55%
Expense Example, with Redemption, 1 Year rr_ExpenseExampleYear01 $ 56
Expense Example, with Redemption, 3 Years rr_ExpenseExampleYear03 176
Expense Example, with Redemption, 5 Years rr_ExpenseExampleYear05 307
Expense Example, with Redemption, 10 Years rr_ExpenseExampleYear10 $ 689
Annual Return 2023 rr_AnnualReturn2023 29.46%
Label rr_AverageAnnualReturnLabel Return Before Taxes
1 Year rr_AverageAnnualReturnYear01 29.46%
Since Inception rr_AverageAnnualReturnSinceInception 31.38%
Inception Date rr_AverageAnnualReturnInceptionDate Oct. 05, 2022
Distillate Small/Mid Cash Flow ETF | Distillate Small/Mid Cash Flow ETF | After Taxes on Distributions  
Prospectus [Line Items] rr_ProspectusLineItems  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions
1 Year rr_AverageAnnualReturnYear01 29.11%
Since Inception rr_AverageAnnualReturnSinceInception 31.02%
Distillate Small/Mid Cash Flow ETF | Distillate Small/Mid Cash Flow ETF | After Taxes on Distributions and Sales  
Prospectus [Line Items] rr_ProspectusLineItems  
Label rr_AverageAnnualReturnLabel Return After Taxes on Distributions and Sale of Fund Shares
1 Year rr_AverageAnnualReturnYear01 17.64%
Since Inception rr_AverageAnnualReturnSinceInception 24.03%