<?xml version='1.0' encoding='UTF-8'?>
<FilingSummary>
  <Version>3.10.0.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>221</ContextCount>
  <ElementCount>213</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>59</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>7</UnitCount>
  <MyReports>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>100000 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DocumentDocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>100010 - Statement - Condensed Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/StatementCondensedConsolidatedBalanceSheets</Role>
      <ShortName>Condensed Consolidated Balance Sheets</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>100020 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/StatementCondensedConsolidatedBalanceSheetsParenthetical</Role>
      <ShortName>Condensed Consolidated Balance Sheets (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>100030 - Statement - Condensed Consolidated Statements of Income and Comprehensive Income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/StatementCondensedConsolidatedStatementsOfIncomeAndComprehensiveIncome</Role>
      <ShortName>Condensed Consolidated Statements of Income and Comprehensive Income</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>100040 - Statement - Condensed Consolidated Statements of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/StatementCondensedConsolidatedStatementsOfCashFlows</Role>
      <ShortName>Condensed Consolidated Statements of Cash Flows</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>100050 - Disclosure - Business and basis of presentation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureBusinessAndBasisOfPresentation</Role>
      <ShortName>Business and basis of presentation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>100060 - Disclosure - Recently adopted accounting standards and recently issued accounting pronouncements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureRecentlyAdoptedAccountingStandardsAndRecentlyIssuedAccountingPronouncements</Role>
      <ShortName>Recently adopted accounting standards and recently issued accounting pronouncements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>100070 - Disclosure - Acquisition of Spinal Kinetics, Inc.</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureAcquisitionOfSpinalKineticsInc</Role>
      <ShortName>Acquisition of Spinal Kinetics, Inc.</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>100080 - Disclosure - Inventories</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureInventories</Role>
      <ShortName>Inventories</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>100090 - Disclosure - Long-term debt</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureLongTermDebt</Role>
      <ShortName>Long-term debt</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>100100 - Disclosure - Fair value measurements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureFairValueMeasurements</Role>
      <ShortName>Fair value measurements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>100110 - Disclosure - Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureContingencies</Role>
      <ShortName>Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>100120 - Disclosure - Accumulated other comprehensive Income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureAccumulatedOtherComprehensiveIncome</Role>
      <ShortName>Accumulated other comprehensive Income</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>100130 - Disclosure - Revenue recognition and accounts receivable</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureRevenueRecognitionAndAccountsReceivable</Role>
      <ShortName>Revenue recognition and accounts receivable</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>100140 - Disclosure - Business segment information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureBusinessSegmentInformation</Role>
      <ShortName>Business segment information</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>100150 - Disclosure - Share-based compensation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureShareBasedCompensation</Role>
      <ShortName>Share-based compensation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>100160 - Disclosure - Income taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureIncomeTaxes</Role>
      <ShortName>Income taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>100170 - Disclosure - Earnings per share ("EPS")</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureEarningsPerShareEPS</Role>
      <ShortName>Earnings per share ("EPS")</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>100180 - Disclosure - Subsequent Events</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureSubsequentEvents</Role>
      <ShortName>Subsequent Events</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>100190 - Disclosure - Recently adopted accounting standards and recently issued accounting pronouncements (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureRecentlyAdoptedAccountingStandardsAndRecentlyIssuedAccountingPronouncementsPolicies</Role>
      <ShortName>Recently adopted accounting standards and recently issued accounting pronouncements (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>100200 - Disclosure - Acquisition of Spinal Kinetics, Inc. (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureAcquisitionOfSpinalKineticsIncTables</Role>
      <ShortName>Acquisition of Spinal Kinetics, Inc. (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.orthofix.com/20180630/taxonomy/role/DisclosureAcquisitionOfSpinalKineticsInc</ParentRole>
      <Position>21</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>100210 - Disclosure - Inventories (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureInventoriesTables</Role>
      <ShortName>Inventories (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.orthofix.com/20180630/taxonomy/role/DisclosureInventories</ParentRole>
      <Position>22</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>100220 - Disclosure - Fair value measurements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureFairValueMeasurementsTables</Role>
      <ShortName>Fair value measurements (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.orthofix.com/20180630/taxonomy/role/DisclosureFairValueMeasurements</ParentRole>
      <Position>23</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>100230 - Disclosure - Accumulated other comprehensive Income (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureAccumulatedOtherComprehensiveIncomeTables</Role>
      <ShortName>Accumulated other comprehensive Income (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.orthofix.com/20180630/taxonomy/role/DisclosureAccumulatedOtherComprehensiveIncome</ParentRole>
      <Position>24</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>100240 - Disclosure - Revenue recognition and accounts receivable (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureRevenueRecognitionAndAccountsReceivableTables</Role>
      <ShortName>Revenue recognition and accounts receivable (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.orthofix.com/20180630/taxonomy/role/DisclosureRevenueRecognitionAndAccountsReceivable</ParentRole>
      <Position>25</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>100250 - Disclosure - Business segment information (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureBusinessSegmentInformationTables</Role>
      <ShortName>Business segment information (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.orthofix.com/20180630/taxonomy/role/DisclosureBusinessSegmentInformation</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>100260 - Disclosure - Share-based compensation (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureShareBasedCompensationTables</Role>
      <ShortName>Share-based compensation (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.orthofix.com/20180630/taxonomy/role/DisclosureShareBasedCompensation</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>100270 - Disclosure - Earnings per share ("EPS") (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureEarningsPerShareEPSTables</Role>
      <ShortName>Earnings per share ("EPS") (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.orthofix.com/20180630/taxonomy/role/DisclosureEarningsPerShareEPS</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>100280 - Disclosure - Business and Basis of Presentation - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureBusinessAndBasisOfPresentationAdditionalInformationDetail</Role>
      <ShortName>Business and Basis of Presentation - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>29</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>100290 - Disclosure - Recently Adopted Accounting Standards and Recently Issued Accounting Pronouncements - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureRecentlyAdoptedAccountingStandardsAndRecentlyIssuedAccountingPronouncementsAdditionalInformationDetail</Role>
      <ShortName>Recently Adopted Accounting Standards and Recently Issued Accounting Pronouncements - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>30</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>100300 - Disclosure - Acquisition of Spinal Kinetics, Inc. - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureAcquisitionOfSpinalKineticsIncAdditionalInformationDetail</Role>
      <ShortName>Acquisition of Spinal Kinetics, Inc. - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>31</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>100310 - Disclosure - Acquisition of Spinal Kinetics, Inc. - Schedule of Acquisition Date Fair Value of Consideration Transferred (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureAcquisitionOfSpinalKineticsIncScheduleOfAcquisitionDateFairValueOfConsiderationTransferredDetail</Role>
      <ShortName>Acquisition of Spinal Kinetics, Inc. - Schedule of Acquisition Date Fair Value of Consideration Transferred (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>32</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>100320 - Disclosure - Acquisition of Spinal Kinetics, Inc. - Summary of Preliminary Estimated Fair Values of Assets Acquired and Liabilities Assumed (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureAcquisitionOfSpinalKineticsIncSummaryOfPreliminaryEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetail</Role>
      <ShortName>Acquisition of Spinal Kinetics, Inc. - Summary of Preliminary Estimated Fair Values of Assets Acquired and Liabilities Assumed (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>33</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>100330 - Disclosure - Acquisition of Spinal Kinetics, Inc. - Summary of Unaudited Pro forma Results (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureAcquisitionOfSpinalKineticsIncSummaryOfUnauditedProFormaResultsDetail</Role>
      <ShortName>Acquisition of Spinal Kinetics, Inc. - Summary of Unaudited Pro forma Results (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>34</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>100340 - Disclosure - Inventories - Schedule of Inventories (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureInventoriesScheduleOfInventoriesDetail</Role>
      <ShortName>Inventories - Schedule of Inventories (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>35</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>100350 - Disclosure - Long-Term Debt - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureLongTermDebtAdditionalInformationDetail</Role>
      <ShortName>Long-Term Debt - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>36</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>100360 - Disclosure - Fair Value Measurements - Schedule of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail</Role>
      <ShortName>Fair Value Measurements - Schedule of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>37</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>100370 - Disclosure - Fair Value Measurements - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureFairValueMeasurementsAdditionalInformationDetail</Role>
      <ShortName>Fair Value Measurements - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>38</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>100380 - Disclosure - Fair Value Measurements - Schedule of Reconciliation of Debt Securities (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfReconciliationOfDebtSecuritiesDetail</Role>
      <ShortName>Fair Value Measurements - Schedule of Reconciliation of Debt Securities (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>39</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>100390 - Disclosure - Fair Value Measurements - Schedule of Reconciliation For Contingent Consideration Measured At Fair Value Using Significant Unobservable Inputs (Level 3) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfReconciliationForContingentConsiderationMeasuredAtFairValueUsingSignificantUnobservableInputsLevel3Detail</Role>
      <ShortName>Fair Value Measurements - Schedule of Reconciliation For Contingent Consideration Measured At Fair Value Using Significant Unobservable Inputs (Level 3) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>40</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>100400 - Disclosure - Contingencies - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureContingenciesAdditionalInformationDetail</Role>
      <ShortName>Contingencies - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>100410 - Disclosure - Accumulated Other Comprehensive Income - Components of Changes in Accumulated Other Comprehensive Income (Loss) (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureAccumulatedOtherComprehensiveIncomeComponentsOfChangesInAccumulatedOtherComprehensiveIncomeLossDetail</Role>
      <ShortName>Accumulated Other Comprehensive Income - Components of Changes in Accumulated Other Comprehensive Income (Loss) (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>100420 - Disclosure - Revenue Recognition and Accounts Receivable - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureRevenueRecognitionAndAccountsReceivableAdditionalInformationDetail</Role>
      <ShortName>Revenue Recognition and Accounts Receivable - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>100430 - Disclosure - Revenue Recognition and Accounts Receivable - Schedule of Net Increase to Opening Retained Earnings Due to Cumulative Impact of Adopting (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureRevenueRecognitionAndAccountsReceivableScheduleOfNetIncreaseToOpeningRetainedEarningsDueToCumulativeImpactOfAdoptingDetail</Role>
      <ShortName>Revenue Recognition and Accounts Receivable - Schedule of Net Increase to Opening Retained Earnings Due to Cumulative Impact of Adopting (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>100440 - Disclosure - Revenue Recognition and Accounts Receivable - Summary of Consolidated Statement of Operations As Impact of Adoption (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureRevenueRecognitionAndAccountsReceivableSummaryOfConsolidatedStatementOfOperationsAsImpactOfAdoptionDetail</Role>
      <ShortName>Revenue Recognition and Accounts Receivable - Summary of Consolidated Statement of Operations As Impact of Adoption (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>100450 - Disclosure - Revenue Recognition and Accounts Receivable - Schedule of Net Sales (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureRevenueRecognitionAndAccountsReceivableScheduleOfNetSalesDetail</Role>
      <ShortName>Revenue Recognition and Accounts Receivable - Schedule of Net Sales (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>46</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>100460 - Disclosure - Business Segment Information - Schedule of Net Sales by Reporting Segment (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureBusinessSegmentInformationScheduleOfNetSalesByReportingSegmentDetail</Role>
      <ShortName>Business Segment Information - Schedule of Net Sales by Reporting Segment (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>47</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>100470 - Disclosure - Business Segment Information - Summary of Non-GAAP Net Margin by Reporting Segment (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureBusinessSegmentInformationSummaryOfNonGAAPNetMarginByReportingSegmentDetail</Role>
      <ShortName>Business Segment Information - Summary of Non-GAAP Net Margin by Reporting Segment (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>100480 - Disclosure - Business Segment Information - Summary of Net Sales by Geographic Destination for Each Reporting Unit (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureBusinessSegmentInformationSummaryOfNetSalesByGeographicDestinationForEachReportingUnitDetail</Role>
      <ShortName>Business Segment Information - Summary of Net Sales by Geographic Destination for Each Reporting Unit (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>100490 - Disclosure - Share-based Compensation - Schedule of Share-Based Compensation by Line Item in Condensed Consolidated Statements of Income (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureShareBasedCompensationScheduleOfShareBasedCompensationByLineItemInCondensedConsolidatedStatementsOfIncomeDetail</Role>
      <ShortName>Share-based Compensation - Schedule of Share-Based Compensation by Line Item in Condensed Consolidated Statements of Income (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>100500 - Disclosure - Share-based Compensation - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureShareBasedCompensationAdditionalInformationDetail</Role>
      <ShortName>Share-based Compensation - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>100510 - Disclosure - Income Taxes - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureIncomeTaxesAdditionalInformationDetail</Role>
      <ShortName>Income Taxes - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>100520 - Disclosure - Earnings Per Share ("EPS") - Schedule of Reconciliation of Weighted Average Shares Used in Diluted EPS (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureEarningsPerShareEPSScheduleOfReconciliationOfWeightedAverageSharesUsedInDilutedEPSDetail</Role>
      <ShortName>Earnings Per Share ("EPS") - Schedule of Reconciliation of Weighted Average Shares Used in Diluted EPS (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>100530 - Disclosure - Earnings Per Share ("EPS") - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureEarningsPerShareEPSAdditionalInformationDetail</Role>
      <ShortName>Earnings Per Share ("EPS") - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="ofix-20180630.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>100540 - Disclosure - Subsequent Events - Additional Information (Detail)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.orthofix.com/20180630/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail</Role>
      <ShortName>Subsequent Events - Additional Information (Detail)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File>ofix-20180630.xml</File>
    <File>ofix-20180630.xsd</File>
    <File>ofix-20180630_cal.xml</File>
    <File>ofix-20180630_def.xml</File>
    <File>ofix-20180630_lab.xml</File>
    <File>ofix-20180630_pre.xml</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy>http://xbrl.sec.gov/dei/2018-01-31</BaseTaxonomy>
    <BaseTaxonomy>http://fasb.org/us-gaap/2018-01-31</BaseTaxonomy>
    <BaseTaxonomy>http://xbrl.sec.gov/country/2017-01-31</BaseTaxonomy>
    <BaseTaxonomy>http://fasb.org/srt/2018-01-31</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
