XML 79 R54.htm IDEA: XBRL DOCUMENT
v3.19.1

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Primary Major Product Line, Timing of Revenue Recognition) (Details) $ in Thousands | Dec. 31, 2018 USD ($)
--- | ---
Liabilities |
At a point of time | $ 70,133
Over a period of time | 183,202
Liabilities | 253,335
Telematics Services [Member] |
Liabilities |
At a point of time |
Over a period of time | 181,357
Liabilities | 181,357
Telematics Products [Member] |
Liabilities |
At a point of time | 70,133
Over a period of time | 1,845
Liabilities | $ 71,979

X
- Definition Liabilities at point and over period of time. + References No definition available. + Details
Name: | itrn_LiabilitiesAtPointAndOverPeriodOfTime
Namespace Prefix: | itrn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition At a point of time. + References No definition available. + Details
Name: | itrn_LiabilitiesAtPointOfTime
Namespace Prefix: | itrn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Over a period of time. + References No definition available. + Details
Name: | itrn_LiabilitiesOverPeriodOfTime
Namespace Prefix: | itrn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=itrn_TelematicsServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=itrn_TelematicsProductsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |