<?xml version="1.0" encoding="utf-8"?>
<FilingSummary xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <Version>2.4.0.8</Version>
  <ProcessingTime />
  <ReportFormat>Html</ReportFormat>
  <ContextCount>379</ContextCount>
  <ElementCount>520</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>89</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>8</UnitCount>
  <MyReports>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>001 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/DocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
    </Report>
    <Report>
      <IsDefault>true</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>002 - Statement - CONSOLIDATED BALANCE SHEETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/ConsolidatedBalanceSheets</Role>
      <ShortName>CONSOLIDATED BALANCE SHEETS</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>003 - Statement - CONSOLIDATED BALANCE SHEETS (PARENTHETICAL)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/ConsolidatedBalanceSheetsParenthetical</Role>
      <ShortName>CONSOLIDATED BALANCE SHEETS (PARENTHETICAL)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>004 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/ConsolidatedStatementsOfOperations</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF OPERATIONS</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>005 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/ConsolidatedStatementsOfComprehensiveIncome</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>006 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/ConsolidatedStatementsOfChangesInEquity</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>007 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/ConsolidatedStatementsOfCashFlows</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF CASH FLOWS</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>101 - Disclosure - GENERAL</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/General</Role>
      <ShortName>GENERAL</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>102 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/SignificantAccountingPolicies</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>103 - Disclosure - INVESTMENT IN AN AFFILIATED COMPANY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/InvestmentInAffiliatedCompany</Role>
      <ShortName>INVESTMENT IN AN AFFILIATED COMPANY</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>104 - Disclosure - HELD FOR SALE CLASSIFICATION AND DISCONTINUED OPERATIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/HeldForSaleClassificationAndDiscontinuedOperations</Role>
      <ShortName>HELD FOR SALE CLASSIFICATION AND DISCONTINUED OPERATIONS</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>105 - Disclosure - AVAILABLE-FOR-SALE - MARKETABLE SECURITIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/AvailableforsaleMarketableSecurities</Role>
      <ShortName>AVAILABLE-FOR-SALE - MARKETABLE SECURITIES</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>106 - Disclosure - FAIR VALUE MEASUREMENT</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/FairValueMeasurement</Role>
      <ShortName>FAIR VALUE MEASUREMENT</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>107 - Disclosure - INVENTORIES, NET</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/InventoriesNet</Role>
      <ShortName>INVENTORIES, NET</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>108 - Disclosure - PROPERTY, PLANT AND EQUIPMENT, NET</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/PropertyPlantAndEquipmentNet</Role>
      <ShortName>PROPERTY, PLANT AND EQUIPMENT, NET</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>109 - Disclosure - GOODWILL AND INTANGIBLE ASSETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/GoodwillAndIntangibleAssets</Role>
      <ShortName>GOODWILL AND INTANGIBLE ASSETS</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>110 - Disclosure - OTHER BALANCE SHEET SUPPLEMENTALS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/OtherBalanceSheetSupplementals</Role>
      <ShortName>OTHER BALANCE SHEET SUPPLEMENTALS</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>111 - Disclosure - TRANSACTIONS WITH RELATED PARTIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/TransactionsWithRelatedParties</Role>
      <ShortName>TRANSACTIONS WITH RELATED PARTIES</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>112 - Disclosure - SHORT TERM BANK CREDIT AND LONG TERM LOANS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/ShortTermBankCreditAndLongTermLoans</Role>
      <ShortName>SHORT TERM BANK CREDIT AND LONG TERM LOANS</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>113 - Disclosure - LONG-TERM EMPLOYEE-RELATED OBLIGATIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/LongtermEmployeerelatedObligations</Role>
      <ShortName>LONG-TERM EMPLOYEE-RELATED OBLIGATIONS</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>114 - Disclosure - COMMITMENTS AND CONTINGENT LIABILITIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/CommitmentsAndContingentLiabilities</Role>
      <ShortName>COMMITMENTS AND CONTINGENT LIABILITIES</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>115 - Disclosure - SHAREHOLDERS' EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/ShareholdersEquity</Role>
      <ShortName>SHAREHOLDERS' EQUITY</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>116 - Disclosure - EARNINGS (LOSS) PER SHARE ("EPS")</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/EarningsLossPerShareEps</Role>
      <ShortName>EARNINGS (LOSS) PER SHARE ("EPS")</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>117 - Disclosure - TAXES ON INCOME</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/TaxesOnIncome</Role>
      <ShortName>TAXES ON INCOME</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>118 - Disclosure - SEGMENT INFORMATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/SegmentInformation</Role>
      <ShortName>SEGMENT INFORMATION</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>119 - Disclosure - ENTITY-WIDE DISCLOSURE</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/EntitywideDisclosure</Role>
      <ShortName>ENTITY-WIDE DISCLOSURE</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>120 - Disclosure - SELECTED STATEMENTS OF INCOME DATA</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/SelectedStatementsOfIncomeData</Role>
      <ShortName>SELECTED STATEMENTS OF INCOME DATA</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>121 - Disclosure - SUPPLEMENTAL CONSOLIDATED BALANCE SHEETS INFORMATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/SupplementalConsolidatedBalanceSheetsInformation</Role>
      <ShortName>SUPPLEMENTAL CONSOLIDATED BALANCE SHEETS INFORMATION</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>122 - Disclosure - SUBSEQUENT EVENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/SubsequentEvents</Role>
      <ShortName>SUBSEQUENT EVENTS</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>202 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/SignificantAccountingPoliciesPolicies</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES (Policies)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>302 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/SignificantAccountingPoliciesTables</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>303 - Disclosure - INVESTMENT IN AN AFFILIATED COMPANY (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/InvestmentInAffiliatedCompanyTables</Role>
      <ShortName>INVESTMENT IN AN AFFILIATED COMPANY (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>304 - Disclosure - HELD FOR SALE CLASSIFICATION AND DISCONTINUED OPERATIONS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/HeldForSaleClassificationAndDiscontinuedOperationsTables</Role>
      <ShortName>HELD FOR SALE CLASSIFICATION AND DISCONTINUED OPERATIONS (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>305 - Disclosure - AVAILABLE-FOR-SALE - MARKETABLE SECURITIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/AvailableforsaleMarketableSecuritiesTables</Role>
      <ShortName>AVAILABLE-FOR-SALE - MARKETABLE SECURITIES (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>306 - Disclosure - FAIR VALUE MEASUREMENT (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/FairValueMeasurementTables</Role>
      <ShortName>FAIR VALUE MEASUREMENT (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>307 - Disclosure - INVENTORIES, NET (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/InventoriesNetTables</Role>
      <ShortName>INVENTORIES, NET (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>308 - Disclosure - PROPERTY, PLANT AND EQUIPMENT, NET (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/PropertyPlantAndEquipmentNetTables</Role>
      <ShortName>PROPERTY, PLANT AND EQUIPMENT, NET (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>309 - Disclosure - GOODWILL AND INTANGIBLE ASSETS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/GoodwillAndIntangibleAssetsTables</Role>
      <ShortName>GOODWILL AND INTANGIBLE ASSETS (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>310 - Disclosure - OTHER BALANCE SHEET SUPPLEMENTALS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/OtherBalanceSheetSupplementalsTables</Role>
      <ShortName>OTHER BALANCE SHEET SUPPLEMENTALS (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>311 - Disclosure - TRANSACTIONS WITH RELATED PARTIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/TransactionsWithRelatedPartiesTables</Role>
      <ShortName>TRANSACTIONS WITH RELATED PARTIES (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>312 - Disclosure - SHORT TERM BANK CREDIT AND LONG TERM LOANS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/ShortTermBankCreditAndLongTermLoansTables</Role>
      <ShortName>SHORT TERM BANK CREDIT AND LONG TERM LOANS (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>313 - Disclosure - LONG-TERM EMPLOYEE-RELATED OBLIGATIONS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/LongtermEmployeerelatedObligationsTables</Role>
      <ShortName>LONG-TERM EMPLOYEE-RELATED OBLIGATIONS (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>314 - Disclosure - COMMITMENTS AND CONTINGENT LIABILITIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/CommitmentsAndContingentLiabilitiesTables</Role>
      <ShortName>COMMITMENTS AND CONTINGENT LIABILITIES (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>315 - Disclosure - SHAREHOLDERS' EQUITY (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/ShareholdersEquityTables</Role>
      <ShortName>SHAREHOLDERS' EQUITY (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>316 - Disclosure - EARNINGS (LOSS) PER SHARE ("EPS") (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/EarningsLossPerShareEpsTables</Role>
      <ShortName>EARNINGS (LOSS) PER SHARE ("EPS") (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>317 - Disclosure - TAXES ON INCOME (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/TaxesOnIncomeTables</Role>
      <ShortName>TAXES ON INCOME (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>318 - Disclosure - SEGMENT INFORMATION (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/SegmentInformationTables</Role>
      <ShortName>SEGMENT INFORMATION (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>319 - Disclosure - ENTITY-WIDE DISCLOSURE (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/EntitywideDisclosureTables</Role>
      <ShortName>ENTITY-WIDE DISCLOSURE (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>320 - Disclosure - SELECTED STATEMENTS OF INCOME DATA (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/SelectedStatementsOfIncomeDataTables</Role>
      <ShortName>SELECTED STATEMENTS OF INCOME DATA (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>321 - Disclosure - SUPPLEMENTAL CONSOLIDATED BALANCE SHEETS INFORMATION  (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/SupplementalConsolidatedBalanceSheetsInformationTables</Role>
      <ShortName>SUPPLEMENTAL CONSOLIDATED BALANCE SHEETS INFORMATION  (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>40101 - Disclosure - GENERAL (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/GeneralDetails</Role>
      <ShortName>GENERAL (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>40201 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/SignificantAccountingPoliciesDetails</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>40301 - Disclosure - INVESTMENT IN AN AFFILIATED COMPANY (Acquisition of Stocks of FAvS) (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/InvestmentInAffiliatedCompanyAcquisitionOfStocksOfFavsNarrativeDetails</Role>
      <ShortName>INVESTMENT IN AN AFFILIATED COMPANY (Acquisition of Stocks of FAvS) (Narrative) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>40302 - Disclosure - INVESTMENT IN AN AFFILIATED COMPANY (Condensed Financial Information From FAvS Consolidated Balance Sheets and Statements of Operations) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/InvestmentInAffiliatedCompanyCondensedFinancialInformationFromFavsConsolidatedBalanceSheetsAndStatementsOfOperationsDetails</Role>
      <ShortName>INVESTMENT IN AN AFFILIATED COMPANY (Condensed Financial Information From FAvS Consolidated Balance Sheets and Statements of Operations) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>40303 - Disclosure - INVESTMENT IN AN AFFILIATED COMPANY (Reconciliation of the Share in Income (Loss), Impairment of Investment in FAvS and Gain from Dilution) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/InvestmentInAffiliatedCompanyReconciliationOfShareInIncomeLossImpairmentOfInvestmentInFavsAndGainFromDilutionDetails</Role>
      <ShortName>INVESTMENT IN AN AFFILIATED COMPANY (Reconciliation of the Share in Income (Loss), Impairment of Investment in FAvS and Gain from Dilution) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>40401 - Disclosure - HELD FOR SALE CLASSIFICATION AND DISCONTINUED OPERATIONS (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/HeldForSaleClassificationAndDiscontinuedOperationsNarrativeDetails</Role>
      <ShortName>HELD FOR SALE CLASSIFICATION AND DISCONTINUED OPERATIONS (Narrative) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>40402 - Disclosure - HELD FOR SALE CLASSIFICATION AND DISCONTINUED OPERATIONS (Schedule of Components of Assets and Liabilities Held-For-Sale) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/HeldForSaleClassificationAndDiscontinuedOperationsScheduleOfComponentsOfAssetsAndLiabilitiesHeldforsaleDetails</Role>
      <ShortName>HELD FOR SALE CLASSIFICATION AND DISCONTINUED OPERATIONS (Schedule of Components of Assets and Liabilities Held-For-Sale) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>40403 - Disclosure - HELD FOR SALE CLASSIFICATION AND DISCONTINUED OPERATIONS (Schedule of Net Loss from Discontinued Operations) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/HeldForSaleClassificationAndDiscontinuedOperationsScheduleOfNetLossFromDiscontinuedOperationsDetails</Role>
      <ShortName>HELD FOR SALE CLASSIFICATION AND DISCONTINUED OPERATIONS (Schedule of Net Loss from Discontinued Operations) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>40501 - Disclosure - AVAILABLE-FOR-SALE - MARKETABLE SECURITIES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/AvailableforsaleMarketableSecuritiesDetails</Role>
      <ShortName>AVAILABLE-FOR-SALE - MARKETABLE SECURITIES (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>40601 - Disclosure - FAIR VALUE MEASUREMENT (Schedule of Financial Assets Measured at Fair Value on a Recurring Basis) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/FairValueMeasurementScheduleOfFinancialAssetsMeasuredAtFairValueOnRecurringBasisDetails</Role>
      <ShortName>FAIR VALUE MEASUREMENT (Schedule of Financial Assets Measured at Fair Value on a Recurring Basis) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>40602 - Disclosure - FAIR VALUE MEASUREMENT (Roll-Forward of Level 3 Assets) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/FairValueMeasurementRollforwardOfLevelThreeAssetsDetails</Role>
      <ShortName>FAIR VALUE MEASUREMENT (Roll-Forward of Level 3 Assets) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>40603 - Disclosure - FAIR VALUE MEASUREMENT (Schedule of Non-Recurring Fair Value Measurements) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/FairValueMeasurementScheduleOfNonrecurringFairValueMeasurementsDetails</Role>
      <ShortName>FAIR VALUE MEASUREMENT (Schedule of Non-Recurring Fair Value Measurements) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>40701 - Disclosure - INVENTORIES, NET (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/InventoriesNetDetails</Role>
      <ShortName>INVENTORIES, NET (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>40801 - Disclosure - PROPERTY, PLANT AND EQUIPMENT, NET (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/PropertyPlantAndEquipmentNetDetails</Role>
      <ShortName>PROPERTY, PLANT AND EQUIPMENT, NET (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>40901 - Disclosure - GOODWILL AND INTANGIBLE ASSETS (Schedule of Intangible Assets) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/GoodwillAndIntangibleAssetsScheduleOfIntangibleAssetsDetails</Role>
      <ShortName>GOODWILL AND INTANGIBLE ASSETS (Schedule of Intangible Assets) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>40902 - Disclosure - GOODWILL AND INTANGIBLE ASSETS (Intangible Assets Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/GoodwillAndIntangibleAssetsIntangibleAssetsNarrativeDetails</Role>
      <ShortName>GOODWILL AND INTANGIBLE ASSETS (Intangible Assets Narrative) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>41001 - Disclosure - OTHER BALANCE SHEET SUPPLEMENTALS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/OtherBalanceSheetSupplementalsDetails</Role>
      <ShortName>OTHER BALANCE SHEET SUPPLEMENTALS (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>41101 - Disclosure - TRANSACTIONS WITH RELATED PARTIES (Transactions with TAT Industries) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/TransactionsWithRelatedPartiesTransactionsWithTatIndustriesDetails</Role>
      <ShortName>TRANSACTIONS WITH RELATED PARTIES (Transactions with TAT Industries) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>41102 - Disclosure - TRANSACTIONS WITH RELATED PARTIES (Balances with Related Parties) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/TransactionsWithRelatedPartiesBalancesWithRelatedPartiesDetails</Role>
      <ShortName>TRANSACTIONS WITH RELATED PARTIES (Balances with Related Parties) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>41103 - Disclosure - TRANSACTIONS WITH RELATED PARTIES (Other Transactions with Related Parties) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/TransactionsWithRelatedPartiesOtherTransactionsWithRelatedPartiesDetails</Role>
      <ShortName>TRANSACTIONS WITH RELATED PARTIES (Other Transactions with Related Parties) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>41201 - Disclosure - SHORT TERM BANK CREDIT AND LONG TERM LOANS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/ShortTermBankCreditAndLongTermLoansDetails</Role>
      <ShortName>SHORT TERM BANK CREDIT AND LONG TERM LOANS (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>41301 - Disclosure - LONG-TERM EMPLOYEE-RELATED OBLIGATIONS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/LongtermEmployeerelatedObligationsDetails</Role>
      <ShortName>LONG-TERM EMPLOYEE-RELATED OBLIGATIONS (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>41401 - Disclosure - COMMITMENTS AND CONTINGENT LIABILITIES (Commissions and Royalty Commitments) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/CommitmentsAndContingentLiabilitiesCommissionsAndRoyaltyCommitmentsDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENT LIABILITIES (Commissions and Royalty Commitments) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>41402 - Disclosure - COMMITMENTS AND CONTINGENT LIABILITIES (Lease Commitments) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/CommitmentsAndContingentLiabilitiesLeaseCommitmentsDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENT LIABILITIES (Lease Commitments) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>41403 - Disclosure - COMMITMENTS AND CONTINGENT LIABILITIES (Legal Claims Contingencies) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/CommitmentsAndContingentLiabilitiesLegalClaimsContingenciesDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENT LIABILITIES (Legal Claims Contingencies) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>41404 - Disclosure - COMMITMENTS AND CONTINGENT LIABILITIES (Guarantees) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/CommitmentsAndContingentLiabilitiesGuaranteesDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENT LIABILITIES (Guarantees) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>41405 - Disclosure - COMMITMENTS AND CONTINGENT LIABILITIES (Covenants and Liens on Assets) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/CommitmentsAndContingentLiabilitiesCovenantsAndLiensOnAssetsDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENT LIABILITIES (Covenants and Liens on Assets) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>41501 - Disclosure - SHAREHOLDERS' EQUITY (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/ShareholdersEquityNarrativeDetails</Role>
      <ShortName>SHAREHOLDERS' EQUITY (Narrative) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>41502 - Disclosure - SHAREHOLDERS' EQUITY (Treasury Purchase Plan) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/ShareholdersEquityTreasuryPurchasePlanDetails</Role>
      <ShortName>SHAREHOLDERS' EQUITY (Treasury Purchase Plan) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>41503 - Disclosure - SHAREHOLDERS' EQUITY (Stock Option Plans TAT Technology) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/ShareholdersEquityStockOptionPlansTatTechnologyDetails</Role>
      <ShortName>SHAREHOLDERS' EQUITY (Stock Option Plans TAT Technology) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>41601 - Disclosure - EARNINGS (LOSS) PER SHARE ("EPS") (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/EarningsLossPerShareEpsDetails</Role>
      <ShortName>EARNINGS (LOSS) PER SHARE ("EPS") (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>41701 - Disclosure - TAXES ON INCOME (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/TaxesOnIncomeNarrativeDetails</Role>
      <ShortName>TAXES ON INCOME (Narrative) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R83.htm</HtmlFileName>
      <LongName>41702 - Disclosure - TAXES ON INCOME (Schedule of Reconciliation of Tax Provisions to the Domestic and Effective Tax Rate) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/TaxesOnIncomeScheduleOfReconciliationOfTaxProvisionsToDomesticAndEffectiveTaxRateDetails</Role>
      <ShortName>TAXES ON INCOME (Schedule of Reconciliation of Tax Provisions to the Domestic and Effective Tax Rate) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R84.htm</HtmlFileName>
      <LongName>41703 - Disclosure - TAXES ON INCOME (Schedule of Income (Loss) from Continuing Operations Before Income Tax Domestic and Foreign) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/TaxesOnIncomeScheduleOfIncomeLossFromContinuingOperationsBeforeIncomeTaxDomesticAndForeignDetails</Role>
      <ShortName>TAXES ON INCOME (Schedule of Income (Loss) from Continuing Operations Before Income Tax Domestic and Foreign) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R85.htm</HtmlFileName>
      <LongName>41704 - Disclosure - TAXES ON INCOME (Schedule of Components of Income Tax Provision) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/TaxesOnIncomeScheduleOfComponentsOfIncomeTaxProvisionDetails</Role>
      <ShortName>TAXES ON INCOME (Schedule of Components of Income Tax Provision) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R86.htm</HtmlFileName>
      <LongName>41705 - Disclosure - TAXES ON INCOME (Schedule of Deferred Tax Assets and Liabilities) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/TaxesOnIncomeScheduleOfDeferredTaxAssetsAndLiabilitiesDetails</Role>
      <ShortName>TAXES ON INCOME (Schedule of Deferred Tax Assets and Liabilities) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R87.htm</HtmlFileName>
      <LongName>41706 - Disclosure - TAXES ON INCOME (Schedule of Changes in Valuation Allowance) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/TaxesOnIncomeScheduleOfChangesInValuationAllowanceDetails</Role>
      <ShortName>TAXES ON INCOME (Schedule of Changes in Valuation Allowance) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R88.htm</HtmlFileName>
      <LongName>41707 - Disclosure - TAXES ON INCOME (Reconciliation of the Amount of Unrecognized Tax Benefits) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/TaxesOnIncomeReconciliationOfAmountOfUnrecognizedTaxBenefitsDetails</Role>
      <ShortName>TAXES ON INCOME (Reconciliation of the Amount of Unrecognized Tax Benefits) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R89.htm</HtmlFileName>
      <LongName>41801 - Disclosure - SEGMENT INFORMATION (Schedule of Operating Income By Segment) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/SegmentInformationScheduleOfOperatingIncomeBySegmentDetails</Role>
      <ShortName>SEGMENT INFORMATION (Schedule of Operating Income By Segment) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R90.htm</HtmlFileName>
      <LongName>41802 - Disclosure - SEGMENT INFORMATION (Schedule of Assets By Segment) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/SegmentInformationScheduleOfAssetsBySegmentDetails</Role>
      <ShortName>SEGMENT INFORMATION (Schedule of Assets By Segment) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R91.htm</HtmlFileName>
      <LongName>41901 - Disclosure - ENTITY-WIDE DISCLOSURE (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/EntitywideDisclosureDetails</Role>
      <ShortName>ENTITY-WIDE DISCLOSURE (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R92.htm</HtmlFileName>
      <LongName>42001 - Disclosure - SELECTED STATEMENTS OF INCOME DATA (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/SelectedStatementsOfIncomeDataDetails</Role>
      <ShortName>SELECTED STATEMENTS OF INCOME DATA (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R93.htm</HtmlFileName>
      <LongName>42101 - Disclosure - SUPPLEMENTAL CONSOLIDATED BALANCE SHEETS INFORMATION (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/SupplementalConsolidatedBalanceSheetsInformationDetails</Role>
      <ShortName>SUPPLEMENTAL CONSOLIDATED BALANCE SHEETS INFORMATION (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R94.htm</HtmlFileName>
      <LongName>42201 - Disclosure - SUBSEQUENT EVENTS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://tat-technologies.com/role/SubsequentEventsDetails</Role>
      <ShortName>SUBSEQUENT EVENTS (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <Logs>
    <Log type="Info">Element tatt_AccumulatedAmountOfTaxExemptIncome had a mix of decimals attribute values: -3 0.</Log>
    <Log type="Info">Element tatt_ExpenditureForSegmentAssets had a mix of decimals attribute values: -3 3.</Log>
    <Log type="Info">Element tatt_ImpairmentDiscontinuedOperations had a mix of decimals attribute values: -3 0.</Log>
    <Log type="Info">Element tatt_MonthlyRentExpense had a mix of decimals attribute values: -3 0.</Log>
    <Log type="Info">Element tatt_PreferredIncomeTaxRateOne had a mix of decimals attribute values: 1 2.</Log>
    <Log type="Info">Element tatt_PreferredIncomeTaxRateTwo had a mix of decimals attribute values: 2 3.</Log>
    <Log type="Info">Element tatt_RoyaltiesPercentageRateForSalesOfAdditionalProductsDevelopedByThirdParties had a mix of decimals attribute values: 1 3.</Log>
    <Log type="Info">Element tatt_SecuredBankLoanCovenantActualTangibleShareholdersEquityAsPercentageOfTotalAssets had a mix of decimals attribute values: 1 2.</Log>
    <Log type="Info">Element us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 had a mix of decimals attribute values: 3 4.</Log>
    <Log type="Info">Element us-gaap_DebtInstrumentInterestRateStatedPercentage had a mix of decimals attribute values: 1 4.</Log>
    <Log type="Info">Element us-gaap_DividendsPayableAmountPerShare had a mix of decimals attribute values: 2 3.</Log>
    <Log type="Info">Element us-gaap_DividendsPayableCurrentAndNoncurrent had a mix of decimals attribute values: -5 -4 -3.</Log>
    <Log type="Info">Element us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate had a mix of decimals attribute values: 2 3.</Log>
    <Log type="Info">Element us-gaap_EquityMethodInvestmentOwnershipPercentage had a mix of decimals attribute values: 2 3 4.</Log>
    <Log type="Info">Element us-gaap_MinorityInterestOwnershipPercentageByParent had a mix of decimals attribute values: 1 2 4.</Log>
    <Log type="Info">Element us-gaap_RepaymentsOfRelatedPartyDebt had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element us-gaap_SaleOfStockConsiderationReceivedOnTransaction had a mix of decimals attribute values: -6 -3.</Log>
    <Log type="Info">'Monetary' elements on report '40101 - Disclosure - GENERAL (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '40301 - Disclosure - INVESTMENT IN AN AFFILIATED COMPANY (Acquisition of Stocks of FAvS) (Narrative) (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '40401 - Disclosure - HELD FOR SALE CLASSIFICATION AND DISCONTINUED OPERATIONS (Narrative) (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '40402 - Disclosure - HELD FOR SALE CLASSIFICATION AND DISCONTINUED OPERATIONS (Schedule of Components of Assets and Liabilities Held-For-Sale) (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '41402 - Disclosure - COMMITMENTS AND CONTINGENT LIABILITIES (Lease Commitments) (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '41802 - Disclosure - SEGMENT INFORMATION (Schedule of Assets By Segment) (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">Process Flow-Through: 002 - Statement - CONSOLIDATED BALANCE SHEETS</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2011'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2010'</Log>
    <Log type="Info">Process Flow-Through: 003 - Statement - CONSOLIDATED BALANCE SHEETS (PARENTHETICAL)</Log>
    <Log type="Info">Process Flow-Through: 004 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS</Log>
    <Log type="Info">Process Flow-Through: 005 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</Log>
    <Log type="Info">Process Flow-Through: 007 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS</Log>
  </Logs>
  <InputFiles>
    <File>tatt-20131231.xml</File>
    <File>tatt-20131231.xsd</File>
    <File>tatt-20131231_cal.xml</File>
    <File>tatt-20131231_def.xml</File>
    <File>tatt-20131231_lab.xml</File>
    <File>tatt-20131231_pre.xml</File>
  </InputFiles>
  <SupplementalFiles />
  <BaseTaxonomies />
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
