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Significant Accounting Policies (Schedule Of Annual Depreciation Rates) (Details)	Dec. 31, 2024
Computers, manufacturing and peripheral equipment [Member] | Minimum [Member]
Significant Accounting Policies [Line Items]
Depreciation rate	6.00%
Computers, manufacturing and peripheral equipment [Member] | Maximum [Member]
Significant Accounting Policies [Line Items]
Depreciation rate	33.00%
Office, furniture and equipment [Member]
Significant Accounting Policies [Line Items]
Depreciation rate	15.00%

X

- Definition

Significant Accounting Policies [Line Items]

+ References

No definition available.

+ Details

Name:	crnt_SignificantAccountingPoliciesLineItems
Namespace Prefix:	crnt_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Stated as a percentage, the estimated or actual value of the asset at the end of its useful life or when it is no longer serviceable (cannot be used for its original purpose) divided by its [historical] capitalized cost.

+ References

No definition available.

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentSalvageValuePercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_EquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_OtherMachineryAndEquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: