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SEGMENT REPORTING (Schedule of Segment Reporting Infomation by Segment) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Segment Reporting Information [Line Items] |  |  |  |  |  |
Revenues | $ 182,127us-gaap_Revenues |  | $ 170,167us-gaap_Revenues |  | $ 150,318us-gaap_Revenues |
Operating income (loss) | 45,870us-gaap_OperatingIncomeLoss |  | 37,930us-gaap_OperatingIncomeLoss |  | 29,947us-gaap_OperatingIncomeLoss |
Assets | 74,889itrn_ReportableSegmentAssets |  | 76,864itrn_ReportableSegmentAssets |  | 75,961itrn_ReportableSegmentAssets |
Goodwill | 4,041us-gaap_Goodwill |  | 5,433us-gaap_Goodwill |  | 8,043us-gaap_Goodwill | [1]
Expenditures for assets | 13,172itrn_AssetExpenditures |  | 12,576itrn_AssetExpenditures |  | 7,713itrn_AssetExpenditures |
Depreciation and amortization | 9,068us-gaap_DepreciationDepletionAndAmortization |  | 9,718us-gaap_DepreciationDepletionAndAmortization |  | 11,601us-gaap_DepreciationDepletionAndAmortization |
Impairment of goodwill and intangible assets | 922us-gaap_GoodwillAndIntangibleAssetImpairment | [2] | 4,620us-gaap_GoodwillAndIntangibleAssetImpairment | [2] | 672us-gaap_GoodwillAndIntangibleAssetImpairment | [2]
Location Based Services [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Revenues | 133,692us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = itrn_LocationBasedServicesMember |  | 126,951us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = itrn_LocationBasedServicesMember |  | 114,565us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = itrn_LocationBasedServicesMember |
Operating income (loss) | 42,603us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = itrn_LocationBasedServicesMember |  | 38,470us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = itrn_LocationBasedServicesMember |  | 29,850us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = itrn_LocationBasedServicesMember |
Assets | 63,795itrn_ReportableSegmentAssets / us-gaap_StatementBusinessSegmentsAxis = itrn_LocationBasedServicesMember |  | 66,300itrn_ReportableSegmentAssets / us-gaap_StatementBusinessSegmentsAxis = itrn_LocationBasedServicesMember |  | 65,332itrn_ReportableSegmentAssets / us-gaap_StatementBusinessSegmentsAxis = itrn_LocationBasedServicesMember |
Goodwill | 1,544us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = itrn_LocationBasedServicesMember |  | 1,730us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = itrn_LocationBasedServicesMember |  | 3,692us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = itrn_LocationBasedServicesMember | [1]
Expenditures for assets | 12,574itrn_AssetExpenditures / us-gaap_StatementBusinessSegmentsAxis = itrn_LocationBasedServicesMember |  | 12,312itrn_AssetExpenditures / us-gaap_StatementBusinessSegmentsAxis = itrn_LocationBasedServicesMember |  | 7,636itrn_AssetExpenditures / us-gaap_StatementBusinessSegmentsAxis = itrn_LocationBasedServicesMember |
Depreciation and amortization | 8,920us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = itrn_LocationBasedServicesMember |  | 9,360us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = itrn_LocationBasedServicesMember |  | 11,471us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = itrn_LocationBasedServicesMember |
Impairment of goodwill and intangible assets | 34us-gaap_GoodwillAndIntangibleAssetImpairment / us-gaap_StatementBusinessSegmentsAxis = itrn_LocationBasedServicesMember |  | 2,816us-gaap_GoodwillAndIntangibleAssetImpairment / us-gaap_StatementBusinessSegmentsAxis = itrn_LocationBasedServicesMember |  |  |
Wireless Communications Products [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Revenues | 48,435us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = itrn_WirelessCommunicationsProductsMember |  | 43,216us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = itrn_WirelessCommunicationsProductsMember |  | 35,753us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = itrn_WirelessCommunicationsProductsMember |
Operating income (loss) | 3,267us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = itrn_WirelessCommunicationsProductsMember |  | (540)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = itrn_WirelessCommunicationsProductsMember |  | 97us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = itrn_WirelessCommunicationsProductsMember |
Assets | 11,094itrn_ReportableSegmentAssets / us-gaap_StatementBusinessSegmentsAxis = itrn_WirelessCommunicationsProductsMember |  | 10,564itrn_ReportableSegmentAssets / us-gaap_StatementBusinessSegmentsAxis = itrn_WirelessCommunicationsProductsMember |  | 10,629itrn_ReportableSegmentAssets / us-gaap_StatementBusinessSegmentsAxis = itrn_WirelessCommunicationsProductsMember |
Goodwill | 2,497us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = itrn_WirelessCommunicationsProductsMember |  | 3,703us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = itrn_WirelessCommunicationsProductsMember |  | 4,351us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = itrn_WirelessCommunicationsProductsMember | [1]
Expenditures for assets | 598itrn_AssetExpenditures / us-gaap_StatementBusinessSegmentsAxis = itrn_WirelessCommunicationsProductsMember |  | 264itrn_AssetExpenditures / us-gaap_StatementBusinessSegmentsAxis = itrn_WirelessCommunicationsProductsMember |  | 77itrn_AssetExpenditures / us-gaap_StatementBusinessSegmentsAxis = itrn_WirelessCommunicationsProductsMember |
Depreciation and amortization | 148us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = itrn_WirelessCommunicationsProductsMember |  | 358us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = itrn_WirelessCommunicationsProductsMember |  | 130us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = itrn_WirelessCommunicationsProductsMember |
Impairment of goodwill and intangible assets | $ 888us-gaap_GoodwillAndIntangibleAssetImpairment / us-gaap_StatementBusinessSegmentsAxis = itrn_WirelessCommunicationsProductsMember |  | $ 1,804us-gaap_GoodwillAndIntangibleAssetImpairment / 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] | See Note 7 and 8.

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