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Reconciliation Between Effective Tax Rate and U.S. Statutory Rate (Parenthetical) (Detail) - $ / shares | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Income Tax Disclosure [Abstract] |  |  |
Basic and diluted earnings per share amounts of the benefit resulting from the "Approved Enterprise" and "Benefited Enterprise" status | $ 0.13 | $ 0.08 | $ 0.04

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- Definition Earnings per share basic and diluted effect of foreign income tax adjustment reduced exempt. + References No definition available. + Details
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Namespace Prefix: | ceva_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration