<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.19.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>506</ContextCount>
  <ElementCount>548</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>147</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>12</UnitCount>
  <MyReports>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>00090 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DocumentDocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>00100 - Statement - Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/StatementConsolidatedBalanceSheets</Role>
      <ShortName>Consolidated Balance Sheets</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>00105 - Statement - Consolidated Balance Sheets (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/StatementConsolidatedBalanceSheetsParenthetical</Role>
      <ShortName>Consolidated Balance Sheets (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>00200 - Statement - Consolidated Statements of Operations and Comprehensive Loss</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss</Role>
      <ShortName>Consolidated Statements of Operations and Comprehensive Loss</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>00205 - Statement - Consolidated Statements of Operations and Comprehensive Loss (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveLossParenthetical</Role>
      <ShortName>Consolidated Statements of Operations and Comprehensive Loss (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>00300 - Statement - Consolidated Statements of Changes in Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/StatementConsolidatedStatementsOfChangesInEquity</Role>
      <ShortName>Consolidated Statements of Changes in Equity</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>00400 - Statement - Consolidated Statements of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/StatementConsolidatedStatementsOfCashFlows</Role>
      <ShortName>Consolidated Statements of Cash Flows</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>10101 - Disclosure - Description of Business and Summary of Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPolicies</Role>
      <ShortName>Description of Business and Summary of Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>10201 - Disclosure - Earnings Per Share</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureEarningsPerShare</Role>
      <ShortName>Earnings Per Share</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>10301 - Disclosure - Tax Receivable Agreement</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureTaxReceivableAgreement</Role>
      <ShortName>Tax Receivable Agreement</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>10401 - Disclosure - Acquisitions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureAcquisitions</Role>
      <ShortName>Acquisitions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>10501 - Disclosure - Equipment and Improvements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureEquipmentAndImprovements</Role>
      <ShortName>Equipment and Improvements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>10601 - Disclosure - Goodwill and Intangible Assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureGoodwillAndIntangibleAssets</Role>
      <ShortName>Goodwill and Intangible Assets</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>10701 - Disclosure - Other Assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureOtherAssets</Role>
      <ShortName>Other Assets</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>10801 - Disclosure - Accounts Payable and Accrued Liabilities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureAccountsPayableAndAccruedLiabilities</Role>
      <ShortName>Accounts Payable and Accrued Liabilities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>10901 - Disclosure - Related Party Transactions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureRelatedPartyTransactions</Role>
      <ShortName>Related Party Transactions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>11001 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureIncomeTaxes</Role>
      <ShortName>Income Taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>11101 - Disclosure - Long-Term Debt and Credit Facilities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureLongTermDebtAndCreditFacilities</Role>
      <ShortName>Long-Term Debt and Credit Facilities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>11201 - Disclosure - Supplemental Cash Flows Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureSupplementalCashFlowsInformation</Role>
      <ShortName>Supplemental Cash Flows Information</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>11301 - Disclosure - Redeemable Non-controlling Interests</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureRedeemableNonControllingInterests</Role>
      <ShortName>Redeemable Non-controlling Interests</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>11401 - Disclosure - Fair Value</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureFairValue</Role>
      <ShortName>Fair Value</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>11501 - Disclosure - Employee Benefit and Pension Plans</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureEmployeeBenefitAndPensionPlans</Role>
      <ShortName>Employee Benefit and Pension Plans</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>11601 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureCommitmentsAndContingencies</Role>
      <ShortName>Commitments and Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>11701 - Disclosure - Segment Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureSegmentInformation</Role>
      <ShortName>Segment Information</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>11801 - Disclosure - Shareholders' Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureShareholdersEquity</Role>
      <ShortName>Shareholders' Equity</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>11901 - Disclosure - Stock Compensation Plans and Share-Based Compensation Awards</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureStockCompensationPlansAndShareBasedCompensationAwards</Role>
      <ShortName>Stock Compensation Plans and Share-Based Compensation Awards</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>12001 - Disclosure - Selected Quarterly Financial Data (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureSelectedQuarterlyFinancialDataUnaudited</Role>
      <ShortName>Selected Quarterly Financial Data (Unaudited)</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>27</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>12101 - Disclosure - Schedule I - Condensed Financial Information of Parent Company</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureScheduleICondensedFinancialInformationOfParentCompany</Role>
      <ShortName>Schedule I - Condensed Financial Information of Parent Company</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>28</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>12201 - Disclosure - SCHEDULE II Valuation and Qualifying Accounts</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureScheduleIiValuationAndQualifyingAccounts</Role>
      <ShortName>SCHEDULE II Valuation and Qualifying Accounts</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>29</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>20102 - Disclosure - Description of Business and Summary of Significant Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies</Role>
      <ShortName>Description of Business and Summary of Significant Accounting Policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.evopayments.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPolicies</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>30103 - Disclosure - Description of Business and Summary of Significant Accounting Policies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesTables</Role>
      <ShortName>Description of Business and Summary of Significant Accounting Policies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.evopayments.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPolicies</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>30203 - Disclosure - Earnings Per Share (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureEarningsPerShareTables</Role>
      <ShortName>Earnings Per Share (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.evopayments.com/role/DisclosureEarningsPerShare</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>30403 - Disclosure - Acquisitions (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureAcquisitionsTables</Role>
      <ShortName>Acquisitions (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.evopayments.com/role/DisclosureAcquisitions</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>30503 - Disclosure - Equipment and Improvements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureEquipmentAndImprovementsTables</Role>
      <ShortName>Equipment and Improvements (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.evopayments.com/role/DisclosureEquipmentAndImprovements</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>30603 - Disclosure - Goodwill and Intangible Assets (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureGoodwillAndIntangibleAssetsTables</Role>
      <ShortName>Goodwill and Intangible Assets (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.evopayments.com/role/DisclosureGoodwillAndIntangibleAssets</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>30803 - Disclosure - Accounts Payable and Accrued Liabilities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureAccountsPayableAndAccruedLiabilitiesTables</Role>
      <ShortName>Accounts Payable and Accrued Liabilities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.evopayments.com/role/DisclosureAccountsPayableAndAccruedLiabilities</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>30903 - Disclosure - Related Party Transactions (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureRelatedPartyTransactionsTables</Role>
      <ShortName>Related Party Transactions (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.evopayments.com/role/DisclosureRelatedPartyTransactions</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>31003 - Disclosure - Income Taxes (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureIncomeTaxesTables</Role>
      <ShortName>Income Taxes (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.evopayments.com/role/DisclosureIncomeTaxes</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>31103 - Disclosure - Long-Term Debt and Credit Facilities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureLongTermDebtAndCreditFacilitiesTables</Role>
      <ShortName>Long-Term Debt and Credit Facilities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.evopayments.com/role/DisclosureLongTermDebtAndCreditFacilities</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>31203 - Disclosure - Supplemental Cash Flows Information (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureSupplementalCashFlowsInformationTables</Role>
      <ShortName>Supplemental Cash Flows Information (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.evopayments.com/role/DisclosureSupplementalCashFlowsInformation</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>31303 - Disclosure - Redeemable Non-controlling Interests (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureRedeemableNonControllingInterestsTables</Role>
      <ShortName>Redeemable Non-controlling Interests (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.evopayments.com/role/DisclosureRedeemableNonControllingInterests</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>31403 - Disclosure - Fair Value (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureFairValueTables</Role>
      <ShortName>Fair Value (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.evopayments.com/role/DisclosureFairValue</ParentRole>
      <Position>42</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>31603 - Disclosure - Commitments and Contingencies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureCommitmentsAndContingenciesTables</Role>
      <ShortName>Commitments and Contingencies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.evopayments.com/role/DisclosureCommitmentsAndContingencies</ParentRole>
      <Position>43</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>31703 - Disclosure - Segment Information (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureSegmentInformationTables</Role>
      <ShortName>Segment Information (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.evopayments.com/role/DisclosureSegmentInformation</ParentRole>
      <Position>44</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>31803 - Disclosure - Shareholder’s Equity (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureShareholdersEquityTables</Role>
      <ShortName>Shareholder’s Equity (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>31903 - Disclosure - Stock Compensation Plans and Share-Based Compensation Awards (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureStockCompensationPlansAndShareBasedCompensationAwardsTables</Role>
      <ShortName>Stock Compensation Plans and Share-Based Compensation Awards (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.evopayments.com/role/DisclosureStockCompensationPlansAndShareBasedCompensationAwards</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>32003 - Disclosure - Selected Quarterly Financial Data (Unaudited) (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureSelectedQuarterlyFinancialDataUnauditedTables</Role>
      <ShortName>Selected Quarterly Financial Data (Unaudited) (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.evopayments.com/role/DisclosureSelectedQuarterlyFinancialDataUnaudited</ParentRole>
      <Position>47</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>40101 - Disclosure - Description of Business and Summary of Significant Accounting Policies - Other (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesOtherDetails</Role>
      <ShortName>Description of Business and Summary of Significant Accounting Policies - Other (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.evopayments.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesTables</ParentRole>
      <Position>48</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>40102 - Disclosure - Description of Business and Summary of Significant Accounting Policies - Revenue Recognition, Deferred Taxes, Uncertain Tax Positions, Segment Reporting (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesRevenueRecognitionDeferredTaxesUncertainTaxPositionsSegmentReportingDetails</Role>
      <ShortName>Description of Business and Summary of Significant Accounting Policies - Revenue Recognition, Deferred Taxes, Uncertain Tax Positions, Segment Reporting (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>40103 - Disclosure - Description of Business and Summary of Significant Accounting Policies - Recent Accounting Pronouncements (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureDescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesRecentAccountingPronouncementsDetails</Role>
      <ShortName>Description of Business and Summary of Significant Accounting Policies - Recent Accounting Pronouncements (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>40201 - Disclosure - Earnings Per Share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureEarningsPerShareDetails</Role>
      <ShortName>Earnings Per Share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.evopayments.com/role/DisclosureEarningsPerShareTables</ParentRole>
      <Position>51</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>40301 - Disclosure - Tax Receivable Agreement (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureTaxReceivableAgreementDetails</Role>
      <ShortName>Tax Receivable Agreement (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.evopayments.com/role/DisclosureTaxReceivableAgreement</ParentRole>
      <Position>52</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>40401 - Disclosure - Acquisitions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureAcquisitionsDetails</Role>
      <ShortName>Acquisitions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.evopayments.com/role/DisclosureAcquisitionsTables</ParentRole>
      <Position>53</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>40501 - Disclosure - Equipment and Improvements (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureEquipmentAndImprovementsDetails</Role>
      <ShortName>Equipment and Improvements (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.evopayments.com/role/DisclosureEquipmentAndImprovementsTables</ParentRole>
      <Position>54</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>40601 - Disclosure - Goodwill and Intangible Assets - Intangible assets, net (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureGoodwillAndIntangibleAssetsIntangibleAssetsNetDetails</Role>
      <ShortName>Goodwill and Intangible Assets - Intangible assets, net (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>40602 - Disclosure - Goodwill and Intangible Assets - Estimated amortization expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureGoodwillAndIntangibleAssetsEstimatedAmortizationExpenseDetails</Role>
      <ShortName>Goodwill and Intangible Assets - Estimated amortization expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>40603 - Disclosure - Goodwill and Intangible Assets - Net intangible assets by segment (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureGoodwillAndIntangibleAssetsNetIntangibleAssetsBySegmentDetails</Role>
      <ShortName>Goodwill and Intangible Assets - Net intangible assets by segment (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>40604 - Disclosure - Goodwill and Intangible Assets - Goodwill activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureGoodwillAndIntangibleAssetsGoodwillActivityDetails</Role>
      <ShortName>Goodwill and Intangible Assets - Goodwill activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>40701 - Disclosure - Other Assets (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureOtherAssetsDetail</Role>
      <ShortName>Other Assets (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.evopayments.com/role/DisclosureOtherAssets</ParentRole>
      <Position>59</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>40801 - Disclosure - Accounts Payable and Accrued Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureAccountsPayableAndAccruedLiabilitiesDetails</Role>
      <ShortName>Accounts Payable and Accrued Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.evopayments.com/role/DisclosureAccountsPayableAndAccruedLiabilitiesTables</ParentRole>
      <Position>60</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>40901 - Disclosure - Related Party Transactions - Related party balances (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureRelatedPartyTransactionsRelatedPartyBalancesDetails</Role>
      <ShortName>Related Party Transactions - Related party balances (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>40902 - Disclosure - Related Party Transactions - Transactions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureRelatedPartyTransactionsTransactionsDetails</Role>
      <ShortName>Related Party Transactions - Transactions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>41001 - Disclosure - Income taxes - Schedule of Domestic and Foreign (loss) Income Before Income Taxes (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureIncomeTaxesScheduleOfDomesticAndForeignLossIncomeBeforeIncomeTaxesDetail</Role>
      <ShortName>Income taxes - Schedule of Domestic and Foreign (loss) Income Before Income Taxes (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>41002 - Disclosure - Income taxes - Schedule of Income Tax Expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureIncomeTaxesScheduleOfIncomeTaxExpenseDetails</Role>
      <ShortName>Income taxes - Schedule of Income Tax Expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>64</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>41003 - Disclosure - Income taxes - Schedule of Effective Income Tax Rate (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureIncomeTaxesScheduleOfEffectiveIncomeTaxRateDetail</Role>
      <ShortName>Income taxes - Schedule of Effective Income Tax Rate (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>65</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>41004 - Disclosure - Income taxes - Components of Deferred Tax Items (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureIncomeTaxesComponentsOfDeferredTaxItemsDetail</Role>
      <ShortName>Income taxes - Components of Deferred Tax Items (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>66</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>41005 - Disclosure - Income taxes - Schedule of Valuation Allowance Associated with the Deferred Tax Assets (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureIncomeTaxesScheduleOfValuationAllowanceAssociatedWithDeferredTaxAssetsDetail</Role>
      <ShortName>Income taxes - Schedule of Valuation Allowance Associated with the Deferred Tax Assets (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>41006 - Disclosure - Income taxes - Schedule of Net Operating Losses Carryforwards by Country and Years (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureIncomeTaxesScheduleOfNetOperatingLossesCarryforwardsByCountryAndYearsDetail</Role>
      <ShortName>Income taxes - Schedule of Net Operating Losses Carryforwards by Country and Years (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>41101 - Disclosure - Long-Term Debt and Credit Facilities - Credit Facility (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureLongTermDebtAndCreditFacilitiesCreditFacilityDetails</Role>
      <ShortName>Long-Term Debt and Credit Facilities - Credit Facility (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>69</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>41102 - Disclosure - Long-Term Debt and Credit Facilities - Summary (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureLongTermDebtAndCreditFacilitiesSummaryDetails</Role>
      <ShortName>Long-Term Debt and Credit Facilities - Summary (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>41103 - Disclosure - Long-Term Debt and Credit Facilities - Principal payment requirements (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureLongTermDebtAndCreditFacilitiesPrincipalPaymentRequirementsDetails</Role>
      <ShortName>Long-Term Debt and Credit Facilities - Principal payment requirements (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>71</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>41104 - Disclosure - Long-Term Debt and Credit Facilities - Settlement Lines of Credit (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureLongTermDebtAndCreditFacilitiesSettlementLinesOfCreditDetails</Role>
      <ShortName>Long-Term Debt and Credit Facilities - Settlement Lines of Credit (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>72</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>41201 - Disclosure - Supplemental Cash Flows Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureSupplementalCashFlowsInformationDetails</Role>
      <ShortName>Supplemental Cash Flows Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.evopayments.com/role/DisclosureSupplementalCashFlowsInformationTables</ParentRole>
      <Position>73</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>41301 - Disclosure - Redeemable Non-controlling Interests (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureRedeemableNonControllingInterestsDetails</Role>
      <ShortName>Redeemable Non-controlling Interests (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.evopayments.com/role/DisclosureRedeemableNonControllingInterestsTables</ParentRole>
      <Position>74</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>41401 - Disclosure - Fair Value - Summary (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureFairValueSummaryDetails</Role>
      <ShortName>Fair Value - Summary (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>75</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>41402 - Disclosure - Fair Value - Inputs (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureFairValueInputsDetails</Role>
      <ShortName>Fair Value - Inputs (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>76</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>41501 - Disclosure - Employee Benefit and Pension Plans (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureEmployeeBenefitAndPensionPlansDetails</Role>
      <ShortName>Employee Benefit and Pension Plans (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.evopayments.com/role/DisclosureEmployeeBenefitAndPensionPlans</ParentRole>
      <Position>77</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>41601 - Disclosure - Commitments and Contingencies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureCommitmentsAndContingenciesDetails</Role>
      <ShortName>Commitments and Contingencies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.evopayments.com/role/DisclosureCommitmentsAndContingenciesTables</ParentRole>
      <Position>78</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>41701 - Disclosure - Segment Information - Information on segments &amp; reconciliations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureSegmentInformationInformationOnSegmentsReconciliationsDetails</Role>
      <ShortName>Segment Information - Information on segments &amp; reconciliations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>79</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>41702 - Disclosure - Segment Information - Revenue from external customers (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureSegmentInformationRevenueFromExternalCustomersDetail</Role>
      <ShortName>Segment Information - Revenue from external customers (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>80</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>41801 - Disclosure - Shareholder's Equity - Prior to Reorganization (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureShareholderSEquityPriorToReorganizationDetails</Role>
      <ShortName>Shareholder's Equity - Prior to Reorganization (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>81</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>41802 - Disclosure - Shareholder's Equity - Reorganization (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureShareholderSEquityReorganizationDetails</Role>
      <ShortName>Shareholder's Equity - Reorganization (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>82</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R83.htm</HtmlFileName>
      <LongName>41803 - Disclosure - Shareholder's Equity - Use of Proceeds - IPO (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureShareholderSEquityUseOfProceedsIpoDetails</Role>
      <ShortName>Shareholder's Equity - Use of Proceeds - IPO (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>83</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R84.htm</HtmlFileName>
      <LongName>41804 - Disclosure - Shareholder's Equity - Use of Proceeds - Secondary Offering (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureShareholderSEquityUseOfProceedsSecondaryOfferingDetails</Role>
      <ShortName>Shareholder's Equity - Use of Proceeds - Secondary Offering (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>84</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R85.htm</HtmlFileName>
      <LongName>41901 - Disclosure - Stock Compensation Plans and Share-Based Compensation Awards - Share based compensation expenses (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureStockCompensationPlansAndShareBasedCompensationAwardsShareBasedCompensationExpensesDetails</Role>
      <ShortName>Stock Compensation Plans and Share-Based Compensation Awards - Share based compensation expenses (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>85</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R86.htm</HtmlFileName>
      <LongName>41902 - Disclosure - Stock Compensation Plans and Share-Based Compensation Awards - Awards, UAR, RSA (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureStockCompensationPlansAndShareBasedCompensationAwardsAwardsUarRsaDetails</Role>
      <ShortName>Stock Compensation Plans and Share-Based Compensation Awards - Awards, UAR, RSA (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>86</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R87.htm</HtmlFileName>
      <LongName>41903 - Disclosure - Stock Compensation Plans and Share-Based Compensation Awards - RSU (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureStockCompensationPlansAndShareBasedCompensationAwardsRsuDetails</Role>
      <ShortName>Stock Compensation Plans and Share-Based Compensation Awards - RSU (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.evopayments.com/role/DisclosureStockCompensationPlansAndShareBasedCompensationAwardsTables</ParentRole>
      <Position>87</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R88.htm</HtmlFileName>
      <LongName>41904 - Disclosure - Stock Compensation Plans and Share-Based Compensation Awards - Stock Options (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureStockCompensationPlansAndShareBasedCompensationAwardsStockOptionsDetails</Role>
      <ShortName>Stock Compensation Plans and Share-Based Compensation Awards - Stock Options (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>88</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R89.htm</HtmlFileName>
      <LongName>41905 - Disclosure - Stock Compensation Plans and Share-Based Compensation Awards - Fair Value Assumptions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureStockCompensationPlansAndShareBasedCompensationAwardsFairValueAssumptionsDetails</Role>
      <ShortName>Stock Compensation Plans and Share-Based Compensation Awards - Fair Value Assumptions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>89</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R90.htm</HtmlFileName>
      <LongName>42001 - Disclosure - Selected Quarterly Financial Data (Unaudited) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureSelectedQuarterlyFinancialDataUnauditedDetails</Role>
      <ShortName>Selected Quarterly Financial Data (Unaudited) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.evopayments.com/role/DisclosureSelectedQuarterlyFinancialDataUnauditedTables</ParentRole>
      <Position>90</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R91.htm</HtmlFileName>
      <LongName>42101 - Disclosure - Schedule I - Condensed Balance Sheet (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureScheduleICondensedBalanceSheetDetails</Role>
      <ShortName>Schedule I - Condensed Balance Sheet (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>91</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R92.htm</HtmlFileName>
      <LongName>42102 - Disclosure - Schedule I - Condensed Balance Sheet (Parenthetical) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureScheduleICondensedBalanceSheetParentheticalDetails</Role>
      <ShortName>Schedule I - Condensed Balance Sheet (Parenthetical) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>92</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R93.htm</HtmlFileName>
      <LongName>42103 - Disclosure - Schedule I - Condensed Statement of Operations and Comprehensive Income (Loss) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureScheduleICondensedStatementOfOperationsAndComprehensiveIncomeLossDetails</Role>
      <ShortName>Schedule I - Condensed Statement of Operations and Comprehensive Income (Loss) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>93</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R94.htm</HtmlFileName>
      <LongName>42104 - Disclosure - Schedule I - Condensed Statement of Operations and Comprehensive Income (Loss) (Parenthetical) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureScheduleICondensedStatementOfOperationsAndComprehensiveIncomeLossParentheticalDetails</Role>
      <ShortName>Schedule I - Condensed Statement of Operations and Comprehensive Income (Loss) (Parenthetical) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>94</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R95.htm</HtmlFileName>
      <LongName>42105 - Disclosure - Schedule I - Condensed Statement of Cash Flows (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureScheduleICondensedStatementOfCashFlowsDetails</Role>
      <ShortName>Schedule I - Condensed Statement of Cash Flows (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>95</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R96.htm</HtmlFileName>
      <LongName>42106 - Disclosure - Schedule I - Basis of Presentation and Distributions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureScheduleIBasisOfPresentationAndDistributionsDetails</Role>
      <ShortName>Schedule I - Basis of Presentation and Distributions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>96</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R97.htm</HtmlFileName>
      <LongName>42107 - Disclosure - Schedule I - Long-term debt and credit facilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureScheduleILongTermDebtAndCreditFacilitiesDetails</Role>
      <ShortName>Schedule I - Long-term debt and credit facilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>97</Position>
    </Report>
    <Report instance="evop-20181231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R98.htm</HtmlFileName>
      <LongName>42201 - Disclosure - SCHEDULE II Valuation and Qualifuing Accounts (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.evopayments.com/role/DisclosureScheduleIiValuationAndQualifuingAccountsDetails</Role>
      <ShortName>SCHEDULE II Valuation and Qualifuing Accounts (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>98</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File>evop-20181231.xml</File>
    <File>evop-20181231.xsd</File>
    <File>evop-20181231_cal.xml</File>
    <File>evop-20181231_def.xml</File>
    <File>evop-20181231_lab.xml</File>
    <File>evop-20181231_pre.xml</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy>http://fasb.org/us-gaap/2017-01-31</BaseTaxonomy>
    <BaseTaxonomy>http://xbrl.sec.gov/currency/2017-01-31</BaseTaxonomy>
    <BaseTaxonomy>http://xbrl.sec.gov/dei/2014-01-31</BaseTaxonomy>
    <BaseTaxonomy>http://xbrl.sec.gov/country/2017-01-31</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
