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Impairment of Long-Lived Assets - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2012
Indefinite-lived Intangible Assets [Line Items] |
The estimated aggregate fair value of the long-lived assets | $ 3,876

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- Definition Estimated aggregate fair value of long lived assets impaired during current period. + References No definition available. + Details
Name: | cnk_EstimatedAggregateFairValueOfLongLivedAssetsImpairedDuringCurrentPeriod
Namespace Prefix: | cnk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
Name: | us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration