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GENERAL (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
1 Months Ended 0 Months Ended
Feb. 18, 2014
Aug. 07, 2013
Dec. 31, 2014
Dec. 31, 2012
Limco Piedmont Inc Subsidiary [Member]        
Subsidiary or Equity Method Investee [Line Items]        
Investee ownership percentage     100.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ tatt_SubsidiaryAxis
= tatt_LimcoPiedmontIncSubsidiaryMember
 
Bental Industries Ltd Subsidiary [Member]        
Subsidiary or Equity Method Investee [Line Items]        
Investee ownership percentage     70.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ tatt_SubsidiaryAxis
= tatt_BentalIndustriesLtdSubsidiaryMember
 
Tat Gal Inc Subsidiary [Member]        
Subsidiary or Equity Method Investee [Line Items]        
Investee ownership percentage     100.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ tatt_SubsidiaryAxis
= tatt_TatGalIncSubsidiaryMember
 
TAT Industries Ltd. Parent [Member] | Tat Technologies Ltd Subsidiary [Member]        
Subsidiary or Equity Method Investee [Line Items]        
Ownership percentage       43.00%us-gaap_MinorityInterestOwnershipPercentageByParent
/ tatt_ParentCompanyAxis
= tatt_TatIndustriesLimitedParentMember
/ tatt_SubsidiaryAxis
= tatt_TatTechnologiesLtdSubsidiaryMember
KMN Industries Ltd. [Member] | Tat Technologies Ltd Subsidiary [Member]        
Subsidiary or Equity Method Investee [Line Items]        
Ownership percentage       10.00%us-gaap_MinorityInterestOwnershipPercentageByParent
/ tatt_ParentCompanyAxis
= tatt_KmnIndustriesLtdParentMember
/ tatt_SubsidiaryAxis
= tatt_TatTechnologiesLtdSubsidiaryMember
KMN Industries Ltd. [Member] | Tat Industries Ltd Subsidiary [Member]        
Subsidiary or Equity Method Investee [Line Items]        
Investee ownership percentage       80.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ tatt_ParentCompanyAxis
= tatt_KmnIndustriesLtdParentMember
/ tatt_SubsidiaryAxis
= tatt_TatIndustriesLtdSubsidiaryMember
Tat Technologies Ltd Parent [Member] | Bental Industries Ltd Subsidiary [Member]        
Subsidiary or Equity Method Investee [Line Items]        
Sale of ownerhsip interest, percentage 70.00%us-gaap_SaleOfStockPercentageOfOwnershipBeforeTransaction
/ tatt_ParentCompanyAxis
= tatt_TatTechnologiesLtdParentMember
/ tatt_SubsidiaryAxis
= tatt_BentalIndustriesLtdSubsidiaryMember
     
Cash received from sale of affiliate $ 5,000us-gaap_SaleOfStockConsiderationReceivedOnTransaction
/ tatt_ParentCompanyAxis
= tatt_TatTechnologiesLtdParentMember
/ tatt_SubsidiaryAxis
= tatt_BentalIndustriesLtdSubsidiaryMember
     
Loss on sale of discontinued operation (2,323)us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax
/ tatt_ParentCompanyAxis
= tatt_TatTechnologiesLtdParentMember
/ tatt_SubsidiaryAxis
= tatt_BentalIndustriesLtdSubsidiaryMember
     
Impariment $ 3,319tatt_ImpairmentDiscontinuedOperations
/ tatt_ParentCompanyAxis
= tatt_TatTechnologiesLtdParentMember
/ tatt_SubsidiaryAxis
= tatt_BentalIndustriesLtdSubsidiaryMember
     
Limco Piedmont Inc Parent [Member] | Limco Airepair Inc Subsidiary [Member]        
Subsidiary or Equity Method Investee [Line Items]        
Investee ownership percentage     100.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ tatt_ParentCompanyAxis
= tatt_LimcoPiedmontIncParentMember
/ tatt_SubsidiaryAxis
= tatt_LimcoAirepairIncSubsidiaryMember
 
Limco Piedmont Inc Parent [Member] | Piedmont Aviation Component Services LLC Subsidiary [Member]        
Subsidiary or Equity Method Investee [Line Items]        
Investee ownership percentage     100.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ tatt_ParentCompanyAxis
= tatt_LimcoPiedmontIncParentMember
/ tatt_SubsidiaryAxis
= tatt_PiedmontAviationComponentServicesLlcSubsidiaryMember
 
Limco Piedmont Inc Parent [Member] | First Aviation Services Inc Subsidiary [Member]        
Subsidiary or Equity Method Investee [Line Items]        
Ownership percentage     28.08%us-gaap_MinorityInterestOwnershipPercentageByParent
/ tatt_ParentCompanyAxis
= tatt_LimcoPiedmontIncParentMember
/ tatt_SubsidiaryAxis
= tatt_FirstAviationServicesIncSubsidiaryMember
 
FIMI Funds [Member] | Tat Technologies Ltd Subsidiary [Member]        
Subsidiary or Equity Method Investee [Line Items]        
Investee ownership percentage   53.80%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ tatt_ParentCompanyAxis
= tatt_FIMIFundsMember
/ tatt_SubsidiaryAxis
= tatt_TatTechnologiesLtdSubsidiaryMember
   
Number ordinary shares sold in transaction   4,732,351us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction
/ tatt_ParentCompanyAxis
= tatt_FIMIFundsMember
/ tatt_SubsidiaryAxis
= tatt_TatTechnologiesLtdSubsidiaryMember