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The Company and Basis of Presentation (Details) | 9 Months Ended
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Sep. 30, 2011
The Company and Basis of Presentation (Textual) [Abstract] |
Majority-owned subsidiaries that the Company controls | Between 20% and 50%
Subsidiaries that the Company under the cost method | Less than 20%

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- Definition Company and Basis of Presentation. + Details
Name: | cnk_CompanyAndBasisOfPresentationTextualAbstract
Namespace Prefix: | cnk
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Subsidiaries that the entity accounts for under the cost method. + Details
Name: | cnk_CostMethodSubsidiaries
Namespace Prefix: | cnk
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Majority owned subsidiaries of which the entity has control. + Details
Name: | cnk_MajorityOwnedSubsidiaries
Namespace Prefix: | cnk
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration