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GOODWILL (Schedule Of Goodwill) (Details) (USD $)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Goodwill [Line Items]      
Goodwill, beginning balance $ 5,433,000us-gaap_Goodwill $ 8,043,000us-gaap_Goodwill [1]  
Impairment (879,000)us-gaap_GoodwillImpairmentLoss [2] (3,093,000)us-gaap_GoodwillImpairmentLoss [2] (672,000)us-gaap_GoodwillImpairmentLoss
Translation differences (513,000)us-gaap_GoodwillTranslationAdjustments 483,000us-gaap_GoodwillTranslationAdjustments  
Goodwill, ending balance 4,041,000us-gaap_Goodwill 5,433,000us-gaap_Goodwill 8,043,000us-gaap_Goodwill [1]
Location Based Services [Member]      
Goodwill [Line Items]      
Goodwill, beginning balance 1,730,000us-gaap_Goodwill
/ us-gaap_StatementBusinessSegmentsAxis
= itrn_LocationBasedServicesMember		 3,692,000us-gaap_Goodwill
/ us-gaap_StatementBusinessSegmentsAxis
= itrn_LocationBasedServicesMember		 [1]  
Impairment    [2] (2,155,000)us-gaap_GoodwillImpairmentLoss
/ us-gaap_StatementBusinessSegmentsAxis
= itrn_LocationBasedServicesMember		 [2]  
Translation differences (186,000)us-gaap_GoodwillTranslationAdjustments
/ us-gaap_StatementBusinessSegmentsAxis
= itrn_LocationBasedServicesMember		 193,000us-gaap_GoodwillTranslationAdjustments
/ us-gaap_StatementBusinessSegmentsAxis
= itrn_LocationBasedServicesMember		  
Goodwill, ending balance 1,544,000us-gaap_Goodwill
/ us-gaap_StatementBusinessSegmentsAxis
= itrn_LocationBasedServicesMember		 1,730,000us-gaap_Goodwill
/ us-gaap_StatementBusinessSegmentsAxis
= itrn_LocationBasedServicesMember		  
Wireless Communications Products [Member]      
Goodwill [Line Items]      
Goodwill, beginning balance 3,703,000us-gaap_Goodwill
/ us-gaap_StatementBusinessSegmentsAxis
= itrn_WirelessCommunicationsProductsMember		 4,351,000us-gaap_Goodwill
/ us-gaap_StatementBusinessSegmentsAxis
= itrn_WirelessCommunicationsProductsMember		 [1]  
Impairment (879,000)us-gaap_GoodwillImpairmentLoss
/ us-gaap_StatementBusinessSegmentsAxis
= itrn_WirelessCommunicationsProductsMember		 [2] (938,000)us-gaap_GoodwillImpairmentLoss
/ us-gaap_StatementBusinessSegmentsAxis
= itrn_WirelessCommunicationsProductsMember		 [2]  
Translation differences (327,000)us-gaap_GoodwillTranslationAdjustments
/ us-gaap_StatementBusinessSegmentsAxis
= itrn_WirelessCommunicationsProductsMember		 290,000us-gaap_GoodwillTranslationAdjustments
/ us-gaap_StatementBusinessSegmentsAxis
= itrn_WirelessCommunicationsProductsMember		  
Goodwill, ending balance $ 2,497,000us-gaap_Goodwill
/ us-gaap_StatementBusinessSegmentsAxis
= itrn_WirelessCommunicationsProductsMember		 $ 3,703,000us-gaap_Goodwill
/ us-gaap_StatementBusinessSegmentsAxis
= itrn_WirelessCommunicationsProductsMember		  
[1] The accumulated amount of impairment loss as of January 1, 2013, December 31, 2013 and December 31, 2014 was US$ 2,452,000, US$ 5,545,000 and US$ 6,424,000, respectively.
[2] During 2014, 2013 and 2012, the Company recorded an amount of US$ 879,000 US$ 3,093,000 and US$ 672,000, respectively, as impairment with respect to goodwill.