Percentage of increase in subsidiary profit available based on agreement, paid as bonus.

No definition available.

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Namespace Prefix:	itrn_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of pretax income avaliable per employment agreement.

+ References

No definition available.

+ Details

Name:	itrn_PercentageOfPretaxIncomeAvaliableInEmploymentAgreement
Namespace Prefix:	itrn_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of related party expenses from third party.

+ References

No definition available.

+ Details

Name:	itrn_RelatedPartyExpensesFromThirdParty
Namespace Prefix:	itrn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of related party transaction monthly expense.

+ References

No definition available.

+ Details

Name:	itrn_RelatedPartyTransactionMonthlyExpense
Namespace Prefix:	itrn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The number of days notice required to terminate agreement.

+ References

No definition available.

+ Details

Name:	itrn_RelatedPartyTransactionNoticeRequiredToTerminateAgreement
Namespace Prefix:	itrn_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Payment during the period (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

No definition available.

+ Details

Name:	itrn_RelatedPartyTransactionPaymentToRelatedParty
Namespace Prefix:	itrn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The related party agreement term 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	itrn_RelatedPartyTransactionTermOfAgreement
Namespace Prefix:	itrn_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The related party agreement automatic extension term 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	itrn_RelatedPartyTransactionTermOfAutomaticExtension
Namespace Prefix:	itrn_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The related party vacation and sick days in PnYnMnDTnHnMnS format, for example, P1Y5M13D represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	itrn_RelatedPartyTransactionTermOfVacationAndSickDays
Namespace Prefix:	itrn_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The thresehold term agreement for Israeli law.

+ References

No definition available.

+ Details

Name:	itrn_TheresholdTermAgreementForDomesticLaw
Namespace Prefix:	itrn_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The expense in the period incurred with respect to protection provided by insurance entities against risks other than risks associated with production (which are allocated to cost of sales).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.4)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

+ Details

Name:	us-gaap_GeneralInsuranceExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

+ Details

Name:	us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=itrn_TzivtitInsuranceMember
Namespace Prefix:
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Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=itrn_SheratzkyHoldingsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ScheduleOfMalpracticeInsuranceTypeAndTierIdentifierAxis=itrn_BasicInsurancePoliciesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ScheduleOfMalpracticeInsuranceTypeAndTierIdentifierAxis=us-gaap_DirectorsAndOfficersLiabilityInsuranceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	itrn_RelatedPartyByIndividualAxis=itrn_IzzySheratzkyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TitleOfIndividualAxis=itrn_PresidentAndDirectorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	itrn_RelatedPartyByIndividualAxis=itrn_EyalSheratzkyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=itrn_ORASCapitalLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	itrn_RelatedPartyByIndividualAxis=itrn_NirSheratzkyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=itrn_GalnirManagementAndInvestmentsLtdMember
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Data Type:	na
Balance Type:
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- Details

Name:	itrn_RelatedPartyByIndividualAxis=itrn_EyalSheratzkyAndNirSheratzkyMember
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Data Type:	na
Balance Type:
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- Details

Name:	itrn_RelatedPartyByIndividualAxis=itrn_YehudaKahaneMember
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- Details

Name:	itrn_RelatedPartyByIndividualAxis=itrn_GilSheratzkyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=itrn_EComGlobalElectronicCommerceLtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=itrn_ZeroToOneSBLInvestmentsLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	itrn_RelatedPartyByIndividualAxis=itrn_MrAvnerKurzMember
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- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=itrn_IturanSistemasDeMonitoramentoLtdaMember
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- Details

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RELATED PARTIES (Details)	12 Months Ended
RELATED PARTIES (Details)	Dec. 31, 2015 USD ($)	Dec. 31, 2015 ILS (₪)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Tzivtit Insurance [Member]
Related Party Transaction [Line Items]
Related party commission from insurance company	$ 79,000	₪ 309,000	$ 52,000	$ 80,000
A. Sheratzky Holdings [Member]
Related Party Transaction [Line Items]
Aggregate amounts paid	0		793,000	3,470,000
Basic Insurance Policies [Member] \| Tzivtit Insurance [Member]
Related Party Transaction [Line Items]
Payments for insurance policies	304,000		324,000
Directors And Officers Insurance Policies [Member] \| Tzivtit Insurance [Member]
Related Party Transaction [Line Items]
Payments for insurance policies	168,000		189,000
Izzy Sheratzky [Member] \| A. Sheratzky Holdings [Member]
Related Party Transaction [Line Items]
Monthly cost	$ 25,000	₪ 98,000
Percentage of pretax income available based on employment agreement	5.00%	5.00%
Term of agreement	2 years	2 years
Term of automatic extension	2 years	2 years
Notice required to terminate agreement	180 days	180 days
Threshold term agreement for Israeli law	3 years	3 years
Izzy Sheratzky [Member] \| A. Sheratzky Holdings [Member] \| President and Director [Member]
Related Party Transaction [Line Items]
Monthly cost	$ 57,700	₪ 225,000
Term of agreement	3 years	3 years
Notice required to terminate agreement	180 days	180 days
Vacation and sick days	25 days	25 days
Payment to related party for services	$ 2,249,000		2,387,000
Eyal Sheratzky [Member] \| A. Sheratzky Holdings [Member]
Related Party Transaction [Line Items]
Monthly cost	12,500	₪ 48,892
Eyal Sheratzky [Member] \| ORAS Capital Ltd. [Member]
Related Party Transaction [Line Items]
Monthly cost	$ 45,000	₪ 175,000
Term of agreement	3 years	3 years
Notice required to terminate agreement	180 days	180 days
Vacation and sick days	25 days	25 days
Payment to related party for services	$ 1,565,000		1,552,000
Nir Sheratzky [Member] \| A. Sheratzky Holdings [Member]
Related Party Transaction [Line Items]
Monthly cost	12,600	₪ 49,307
Nir Sheratzky [Member] \| Galnir Management and Investments Ltd. [Member]
Related Party Transaction [Line Items]
Monthly cost	$ 45,000	₪ 175,000
Term of agreement	3 years	3 years
Notice required to terminate agreement	180 days	180 days
Vacation and sick days	25 days	25 days
Payment to related party for services	$ 1,802,000		1,418,000
Eyal Sheratzky And Nir Sheratzky[Member] \| A. Sheratzky Holdings [Member]
Related Party Transaction [Line Items]
Percentage of pretax income available based on employment agreement	1.00%	1.00%
Term of agreement	3 years	3 years
Yehuda Kahane [Member]
Related Party Transaction [Line Items]
Monthly cost	$ 3,900	₪ 15,000
Aggregate amounts paid	57,000		62,000	59,000
Gil Sheratzky [Member]
Related Party Transaction [Line Items]
Aggregate amounts paid	0		29,000	145,000
Gil Sheratzky [Member] \| E-Com Global Electronic Commerce Lt. [Member]
Related Party Transaction [Line Items]
Monthly cost	$ 6,400	₪ 25,000
Percentage of increase in profit available based on agreement	2.00%	2.00%
Term of agreement	3 years	3 years
Gil Sheratzky [Member] \| ZERO-TO-ONE S.B.L. INVESTMENTS LTD. [Member]
Related Party Transaction [Line Items]
Monthly cost	$ 32,000	₪ 125,000
Term of agreement	3 years	3 years
Notice required to terminate agreement	2 months	2 months
Vacation and sick days	25 days	25 days
Payment to related party for services	$ 1,175,000		948,000
Mr. Avner Kurz [Member]
Related Party Transaction [Line Items]
Aggregate amounts paid			$ 80,000	$ 81,105
Mr. Avner Kurz [Member] \| Ituran Sistemas de Monitoramento Ltda [Member]
Related Party Transaction [Line Items]
Monthly cost	$ 8,000
Term of automatic extension	2 years	2 years
Notice required to terminate agreement	180 days	180 days
Maximum [Member] \| Eyal Sheratzky [Member]
Related Party Transaction [Line Items]
Percentage of pretax income available based on employment agreement	1.00%	1.00%