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Related Party Balances and Transactions (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Rad Bynet [Member]
Related Party Transaction [Line Items]
Reimbursements for services provided	$ 941	$ 1,662	$ 2,677
Rent And Maintenance [Member]
Related Party Transaction [Line Items]
Expenses	0	0	894
Inventories [Member] | Rad Bynet [Member]
Related Party Transaction [Line Items]
Expenses	104	122	305
Purchase of property and equipment [Member]
Related Party Transaction [Line Items]
Expenses	37	180	175
Purchase of property and equipment [Member] | Rad Bynet [Member]
Related Party Transaction [Line Items]
Expenses	$ 37	$ 180	$ 175

X

- Definition

Related Party Transaction, reimbursements for services provided

+ References

No definition available.

+ Details

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Namespace Prefix:	crnt_
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X

- Definition

Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Excludes Selling, General and Administrative Expense.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c)(2)(i))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c)(2)(ii))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(g)(3))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1

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- Details

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- Details

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- Details

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- Details

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