The deposit amount in escrow.

No definition available.

Name:	itrn_EscrowDepositAmount
Namespace Prefix:	itrn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Reflects the amount that was released from the deposit which was in escrow (according to a settlement agreement) to the plaintiff company in this litigation.

+ References

No definition available.

+ Details

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

- Definition

The amount of escrow deposit disbursements including accrued interest.

+ References

No definition available.

+ Details

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

- Definition

The amount of escrow deposit disbursements including accrued interest distributed to purchaser.

+ References

No definition available.

+ Details

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

- Definition

Reflects the amount that the company paid according the arbitrator decision in this litigation before we sent the appeal.

+ References

No definition available.

+ Details

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

- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter although no damages have been incurred.

+ References

No definition available.

+ Details

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

- Definition

The purchase price adjustment amount recognized.

+ References

No definition available.

+ Details

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

- Definition

The amount of purchase price reduction claimed by purchaser.

+ References

No definition available.

+ Details

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

- Definition

The purchase price adjustment settlement amount.

+ References

No definition available.

+ Details

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

- Definition

The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.10)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

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

- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 9

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349

+ Details

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

- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 9

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 14

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585

+ Details

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

- Details

Name:	itrn_DisposalGroupAdditionalInformationAxis=itrn_AdjustmentEscrowAmountMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	itrn_DisposalGroupAdditionalInformationAxis=itrn_EscrowAmountMember
Namespace Prefix:
Data Type:	na
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Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_LitigationCaseAxis=itrn_StLtdMember
Namespace Prefix:
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- Details

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CONTINGENT LIABILITIES (Sale of Telematics Wireless Ltd.) (Details) (USD $)	1 Months Ended	0 Months Ended		1 Months Ended		12 Months Ended	1 Months Ended
	Dec. 31, 2007	Feb. 10, 2011	Dec. 21, 2009	Dec. 31, 2013	Oct. 31, 2011	Dec. 31, 2008	Apr. 30, 2014
Contingent Liabilities, Liens and Guarantees [Line Items]
Deposit in escrow, amount					$ 4,900,000itrn_EscrowDepositAmount
Sale of Telematics Wireless Ltd. [Member]
Contingent Liabilities, Liens and Guarantees [Line Items]
Proceeds from sale of shareholdings	80,000,000
Adjustment Escrow Amount [Member] \| Sale of Telematics Wireless Ltd. [Member]
Contingent Liabilities, Liens and Guarantees [Line Items]
Deposit in escrow, amount	5,000,000
Escrow Amount [Member] \| Sale of Telematics Wireless Ltd. [Member]
Contingent Liabilities, Liens and Guarantees [Line Items]
Escrow deposits	7,500,000
ST Ltd. [Member]
Contingent Liabilities, Liens and Guarantees [Line Items]
Purchase price adjustment, arbitrator amount		4,400,000
Escrow deposit disbursements				200,000
Escrow deposit disbursements to purchaser					4,650,000
Damages sought by purchaser			4,300,000
Damages sought by purchaser although no damages were incurred			4,300,000
Possible loss			10,300,000
ST Ltd. [Member] \| Sale of Telematics Wireless Ltd. [Member]
Contingent Liabilities, Liens and Guarantees [Line Items]
Purchase price adjustment, purchaser claim amount						10,000,000
Purchase price adjustment, amount recognized						3,000,000
ST Ltd. [Member] \| Adjustment Escrow Amount [Member]
Contingent Liabilities, Liens and Guarantees [Line Items]
Escrow deposit disbursements, including interest, to purchaser					4,400,000
Company [Member]
Contingent Liabilities, Liens and Guarantees [Line Items]
Escrow deposit disbursements, including interest		572,000					4,900,000
Company [Member] \| Escrow Amount [Member]
Contingent Liabilities, Liens and Guarantees [Line Items]
Escrow deposit disbursements					$ 3,000,000