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Summary of Activity with NCM Included in Company's Consolidated Financial Statements (Parenthetical) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Schedule of Equity Method Investments [Line Items]
Company's beverage concessionaire	$ 11,489cnk_CostOfOnScreenTimeProvidedToCompanysBeverageConcessionaire	$ 11,958cnk_CostOfOnScreenTimeProvidedToCompanysBeverageConcessionaire	$ 11,063cnk_CostOfOnScreenTimeProvidedToCompanysBeverageConcessionaire

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- Definition

Cost of on-screen advertising time provided to the company's beverage concessionaire.

+ References

No definition available.

+ Details

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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