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Summary of Activity with NCM (Parenthetical) (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Schedule of Equity Method Investments [Line Items] |  |  |
Company's beverage concessionaire | $ 11,063 | $ 10,733 | $ 10,156

X
- Definition Cost of on-screen advertising time provided to the company's beverage concessionaire. + References No definition available. + Details
Name: | cnk_CostOfOnScreenTimeProvidedToCompanysBeverageConcessionaire
Namespace Prefix: | cnk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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