XML 94 R78.htm IDEA: XBRL DOCUMENT
v3.19.1

SELECTED STATEMENTS OF OPERATIONS DATA (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2016
Net Investment Income [Line Items] |  |
Income (loss) resulting from devaluation of the local currency in Venezuela | $ 969 | $ 907

X
- Definition Represents the amount of foreign currency transaction remeasurement gain (loss) recognized in the income statement. + References No definition available. + Details
Name: | crnt_ForeignCurrencyTransactionRemeasurementGainLoss
Namespace Prefix: | crnt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- 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_ScheduleOfInvestmentIncomeReportedAmountsByCategoryLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration