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INVESTMENTS IN AFFILIATED AND OTHER COMPANY (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2014
Schedule of Equity Method Investments [Line Items]    
Investments in affiliated company $ 1,423,000us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures $ 1,016,000us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
Investments in other company 88,000us-gaap_EquityMethodInvestments 79,000us-gaap_EquityMethodInvestments
Ecomtrade [Member]    
Schedule of Equity Method Investments [Line Items]    
Ownership percentage, equity method   50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= itrn_EcomtradeMember
Investments in affiliated company 166,000us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= itrn_EcomtradeMember
 
Investments in affiliates, loans portion 273,000us-gaap_AdvancesToAffiliate
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= itrn_EcomtradeMember
 
Locationet [Member]    
Schedule of Equity Method Investments [Line Items]    
Ownership percentage, equity method   10.64%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= itrn_LocationetMember
BRINGG Delivery Technologies Ltd [Member]    
Schedule of Equity Method Investments [Line Items]    
Ownership percentage, equity method 27.50%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= itrn_BRINGGDeliveryTechnologiesLtdMember
 
Payments to equity interest $ 1,400,000us-gaap_PaymentsToAcquireEquityMethodInvestments
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= itrn_BRINGGDeliveryTechnologiesLtdMember