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v3.22.1

SEGMENT REPORTING (Narrative) (Details) | Dec. 31, 2019
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Segment Reporting [Abstract] |
Percentage of revenue | 15.80%

X
- Definition Percentage of total sales. + References No definition available. + Details
Name: | itrn_PercentageOfRevenue
Namespace Prefix: | itrn_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_SegmentReportingAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration