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INTERIM CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Statement of Cash Flows [Abstract]
Changes of property and equipment not resulted in cash	$ 2,316	$ 1,273

X

- Definition

Changes of property and equipment not resulted in cash.

+ References

No definition available.

+ Details

Name:	crnt_ChangesOfPropertyAndEquipment
Namespace Prefix:	crnt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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- References

No definition available.

+ Details

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