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Investments in and Advances to Affiliate (Parenthetical) (Detail) | Dec. 31, 2012 | Dec. 31, 2011
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Investments in and Advances to Affiliates [Line Items] |  |
Percentage of investment interest | 14.00% | 14.00%

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- Definition Cost Method Investment Ownership Percentage. + References No definition available. + Details
Name: | cnk_CostMethodInvestmentOwnershipPercentage
Namespace Prefix: | cnk_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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