Represent the amount of decrease in bank guarantee credit line.

No definition available.

Name:	crnt_BankGuaranteeCreditLineDecrease
Namespace Prefix:	crnt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represent the ratio of financial debt, net to accounts receivable as specified under the credit facility.

+ References

No definition available.

+ Details

Name:	crnt_FinancialDebtNetToAccountsReceivableRatio
Namespace Prefix:	crnt_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represent the ratio of financial debt, net to net working capital as specified under the credit facility.

+ References

No definition available.

+ Details

Name:	crnt_FinancialDebtNetToNetWorkingCapitalRatio
Namespace Prefix:	crnt_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represent the amount of increase in credit facility for loans.

+ References

No definition available.

+ Details

Name:	crnt_IncreaseInCreditFacilityForLoans
Namespace Prefix:	crnt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represent the amount of uncommitted bank guarantee credit line available under the credit facility.

+ References

No definition available.

+ Details

Name:	crnt_UncommittedBankGuaranteeCreditLineAmount
Namespace Prefix:	crnt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482425/460-10-50-4

+ Details

Name:	us-gaap_GuaranteeObligationsCurrentCarryingValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Date the credit facility terminates, in YYYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480657/210-10-S50-8

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

Name:	us-gaap_LineOfCreditFacilityExpirationDate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Fair value of the amount outstanding under the credit facility.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-10

+ Details

Name:	us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The effective interest rate during the reporting period.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityInterestRateDuringPeriod
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- 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 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477657/942-210-S45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478478/942-210-S50-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(13)(3)(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480657/210-10-S50-8

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1

Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(f))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481544/470-10-50-6

Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481544/470-10-50-6

+ Details

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	crnt_CreditFacilityAmendmentAxis=crnt_June2023CreditFacilityAmendmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	crnt_CreditFacilityAmendmentAxis=crnt_December2023CreditFacilityAmendmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	crnt_CreditFacilityAmendmentAxis=crnt_June2024CreditFacilityAmendmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	crnt_CreditFacilityAmendmentAxis=crnt_June2026CreditFacilityAmendmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	crnt_CovenantStatusAxis=crnt_PreviousCovenantMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	crnt_CovenantStatusAxis=crnt_RevisedCovenantMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Short-term loans (Narrative) (Details) - USD ($) $ in Thousands	1 Months Ended
	Jun. 30, 2026	Jun. 30, 2024	Dec. 31, 2023	Jun. 30, 2023	Dec. 31, 2025
Line of Credit Facility [Line Items]
Bank guarantees	$ 11,490				$ 14,102
Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Credit Facility utilized for short-term loans	12,000
Maximum borrowing capacity under the credit facility	77,000
Bank guarantees	$ 97,000
Revolving Credit Facility [Member] \| Minimum [Member]
Line of Credit Facility [Line Items]
Interest rate	4.75%
Revolving Credit Facility [Member] \| Maximum [Member]
Line of Credit Facility [Line Items]
Interest rate	5.42%
Revolving Credit Facility [Member] \| June 2023 amendment [Member]
Line of Credit Facility [Line Items]
Expiration date				Jun. 30, 2024
Increase in Credit Facility for Loans				$ 9,800
Maximum borrowing capacity under the credit facility				72,000
Decrease in bank guarantee credit line				11,900
Bank guarantees				$ 45,900
Revolving Credit Facility [Member] \| December 2023 amendment [Member]
Line of Credit Facility [Line Items]
Increase in Credit Facility for Loans			$ 5,000
Maximum borrowing capacity under the credit facility			$ 77,000
Revolving Credit Facility [Member] \| June 2024 amendment [Member]
Line of Credit Facility [Line Items]
Expiration date		Jun. 30, 2026
Decrease in bank guarantee credit line		$ 5,000
Bank guarantees		$ 40,900
Revolving Credit Facility [Member] \| June 2026 amendment [Member]
Line of Credit Facility [Line Items]
Expiration date	Aug. 31, 2028
Decrease in bank guarantee credit line	$ 20,900
Bank guarantees	20,000
Uncommitted bank guarantee credit line	$ 20,000
Revolving Credit Facility [Member] \| June 2026 amendment [Member] \| Previous [Member]
Line of Credit Facility [Line Items]
Ratio of financial debt, net to accounts receivable	30.00%
Ratio of financial debt, net to net working capital	30.00%
Revolving Credit Facility [Member] \| June 2026 amendment [Member] \| Revised [Member]
Line of Credit Facility [Line Items]
Ratio of financial debt, net to accounts receivable	50.00%
Ratio of financial debt, net to net working capital	50.00%