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CONTINGENT LIABILITIES (Sao Paulo State Revenue Services) (Details) (Sao Paulo State Revenue Services [Member])	0 Months Ended		12 Months Ended
	Jul. 13, 2010 USD ($)	Jul. 13, 2010 BRL	Dec. 31, 2014 USD ($)	Dec. 31, 2014 BRL
Contingent Liabilities, Liens and Guarantees [Line Items]
Possible state value added tax rate	25.00%itrn_IncomeTaxExaminationPossibleStateValueAddedTaxRate / us-gaap_IncomeTaxAuthorityAxis = itrn_SaoPauloStateRevenueServicesMember	25.00%itrn_IncomeTaxExaminationPossibleStateValueAddedTaxRate / us-gaap_IncomeTaxAuthorityAxis = itrn_SaoPauloStateRevenueServicesMember
Income tax deficiency notice, amount	$ 22,100,000itrn_IncomeTaxExaminationInteresTaxDeficiencyAmount / us-gaap_IncomeTaxAuthorityAxis = itrn_SaoPauloStateRevenueServicesMember	36,499,984itrn_IncomeTaxExaminationInteresTaxDeficiencyAmount / us-gaap_IncomeTaxAuthorityAxis = itrn_SaoPauloStateRevenueServicesMember
Tax deficiency, penalties	40,000,000us-gaap_IncomeTaxExaminationPenaltiesExpense / us-gaap_IncomeTaxAuthorityAxis = itrn_SaoPauloStateRevenueServicesMember	66,143,446us-gaap_IncomeTaxExaminationPenaltiesExpense / us-gaap_IncomeTaxAuthorityAxis = itrn_SaoPauloStateRevenueServicesMember
Tax deficiency, interest	18,200,000us-gaap_IncomeTaxExaminationInterestExpense / us-gaap_IncomeTaxAuthorityAxis = itrn_SaoPauloStateRevenueServicesMember	30,282,420us-gaap_IncomeTaxExaminationInterestExpense / us-gaap_IncomeTaxAuthorityAxis = itrn_SaoPauloStateRevenueServicesMember
Aggregate sum claimed pursuant to tax deficiency			$ 82,700,000itrn_AggregateSumClaimedPursuantToTaxDeficiency / us-gaap_IncomeTaxAuthorityAxis = itrn_SaoPauloStateRevenueServicesMember	220,000,000itrn_AggregateSumClaimedPursuantToTaxDeficiency / us-gaap_IncomeTaxAuthorityAxis = itrn_SaoPauloStateRevenueServicesMember

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The aggregate sum claimed pursuant to tax deficiency, penalties, and interest.

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The amount of tax deficiceny arising from income tax examinations.

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The possible added tax rate arising from income tax examinations.

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The amount of estimated interest recognized in the period arising from income tax examinations.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

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-Section 50

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The amount of estimated penalties recognized in the period arising from income tax examinations.

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