Revenue generated from grants.

No definition available.

Name:	crnt_GrantRevenue
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Balance Type:	credit
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- Definition

Litigation offset amount including VAT.

+ References

No definition available.

+ Details

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

- Definition

Represents the percentage of royalties.

+ References

No definition available.

+ Details

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Namespace Prefix:	crnt_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for royalties.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(15)(5))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

+ Details

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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

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of loss from litigation settlement for amount awarded to other party. Excludes claims within an insurance entity's normal claims settlement process.

+ References

+ Details

Name:	us-gaap_LitigationSettlementLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-4

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-9

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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

No definition available.

+ Details

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

- Definition

The amount the entity has committed to make for future royalty guarantees.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 928
-SubTopic 440
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477866/928-440-50-1

+ Details

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

- Details

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Balance Type:
Period Type:

- Details

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- Details

Name:	us-gaap_DebtInstrumentAxis=crnt_ClaimAgainstStationEnterprisesLtdRegardingBreachOfLeaseAgreementMember
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COMMITMENTS AND CONTINGENT LIABILITIES (Narrative) (Details) ₪ in Thousands, $ in Thousands					1 Months Ended				6 Months Ended
	Feb. 08, 2022 ILS (₪)	Feb. 08, 2022 USD ($)	Jan. 06, 2015 ILS (₪)	Jan. 06, 2015 USD ($)	May 16, 2025 ILS (₪)	May 16, 2025 USD ($)	Mar. 20, 2022 ILS (₪)	Mar. 20, 2022 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)	Feb. 08, 2022 USD ($)
Operating Leased Assets [Line Items]
Bank guarantees									$ 17,342		$ 18,555
Litigation offset amount including VAT					₪ 2,177	$ 645
Income from OCS grants									826	$ 765
Damages sought by plaintiff			₪ 294,750	$ 87,411	₪ 1,122	$ 332	₪ 170,000	$ 50,415
Accrued unpaid royalties									2,709
Maximum future royalties commitment									10,120
Litigation settlement, loss									$ 1,162
Minimum [Member]
Operating Leased Assets [Line Items]
Royalties calculation rate									3
Maximum [Member]
Operating Leased Assets [Line Items]
Royalties calculation rate									4
Claim Against Station Enterprises Ltd Regarding Breach Of Lease Agreement [Member]
Operating Leased Assets [Line Items]
Bank guarantees	₪ 2,492											$ 739
Damages sought by plaintiff	₪ 1,200	$ 356