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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Depreciation Rates) (Details)	12 Months Ended
	Dec. 31, 2014
Operating Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Rate of depreciation	6.50%itrn_RateOfDepreciation / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_EquipmentMember / us-gaap_RangeAxis = us-gaap_MinimumMember
Operating Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Rate of depreciation	33.00%itrn_RateOfDepreciation / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_EquipmentMember / us-gaap_RangeAxis = us-gaap_MaximumMember
Office Furniture, Equipment, And Computers [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Rate of depreciation	7.00%itrn_RateOfDepreciation / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_OfficeEquipmentMember / us-gaap_RangeAxis = us-gaap_MinimumMember
Office Furniture, Equipment, And Computers [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Rate of depreciation	33.00%itrn_RateOfDepreciation / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_OfficeEquipmentMember / us-gaap_RangeAxis = us-gaap_MaximumMember
Buildings [Member]
Property, Plant and Equipment [Line Items]
Rate of depreciation	2.50%itrn_RateOfDepreciation / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_BuildingMember
Vehicles [Member]
Property, Plant and Equipment [Line Items]
Rate of depreciation	15.00%itrn_RateOfDepreciation / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_VehiclesMember
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Description of depreciation method	Duration of the lease which is less or equal to useful life.
Majority [Member] | Operating Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Rate of depreciation	20.00%itrn_RateOfDepreciation / itrn_AdditionalRangeDescriptionAxis = itrn_MajorityMember / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_EquipmentMember / us-gaap_RangeAxis = us-gaap_MinimumMember
Majority [Member] | Operating Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Rate of depreciation	33.00%itrn_RateOfDepreciation / itrn_AdditionalRangeDescriptionAxis = itrn_MajorityMember / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_EquipmentMember / us-gaap_RangeAxis = us-gaap_MaximumMember

X

- Definition

The depreciation rate for property plant and equipment.

+ References

No definition available.

+ Details

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

X

- Definition

Additional information disclosed pertaining to property, plant and equipment.

+ References

No definition available.

+ Details

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

X

- Details

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

X

- Details

Name:	itrn_AdditionalRangeDescriptionAxis=itrn_MajorityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_EquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LeaseholdImprovementsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_OfficeEquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_VehiclesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: