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LEASES (Narrative) (Details)	12 Months Ended
	Dec. 31, 2019
Lessee Disclosure [Abstract]
Lease Term	Between 2019 and 2028

X

- Definition

Lease term duration.

+ References

No definition available.

+ Details

Name:	itrn_LeaseTerm
Namespace Prefix:	itrn_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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