Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Additional Information (Detail)

v2.4.1.9
Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Y
Segment
Unit
Dec. 31, 2013
Unit
Dec. 31, 2012
Unit
Summary Of Significant Accounting Policies [Line Items]      
Majority-owned subsidiaries that Company controls Between 20% and 50%    
Subsidiaries that Company accounts for under cost method Less than 20%    
Remaining maturity period for highly liquid investments Three months or less    
Approximate available remaining lease period for fee owned properties 20 years    
Multiplication Value to Cash flows for the determination of fair value of Reporting units 8.0cnk_MultiplicationValueToCashFlowsForDeterminationOfFairValueOfReportingUnits 8.0cnk_MultiplicationValueToCashFlowsForDeterminationOfFairValueOfReportingUnits 7.5cnk_MultiplicationValueToCashFlowsForDeterminationOfFairValueOfReportingUnits
Amortization period of deferred charges and other assets, minimum 1cnk_AmortizationPeriodOfDeferredChargesAndOtherAssetsMinimum    
Amortization period of deferred charges and other assets, maximum 10cnk_AmortizationPeriodOfDeferredChargesAndOtherAssetsMaximum    
General liability claim per occurrence $ 100cnk_GeneralLiabilityCapPerClaim $ 250cnk_GeneralLiabilityCapPerClaim $ 250cnk_GeneralLiabilityCapPerClaim
Annual cap per policy year 2,670cnk_AnnualGeneralLiabilityCapPerPolicyYear 2,600cnk_AnnualGeneralLiabilityCapPerPolicyYear 2,650cnk_AnnualGeneralLiabilityCapPerPolicyYear
Medical claim per occurrence 125cnk_MedicalCapPerClaim    
Insurance Reserves 7,675cnk_InsuranceReserveCurrent 7,376cnk_InsuranceReserveCurrent  
Unredeemed gift cards and other advances 12,233cnk_RevenueRecognizedOnUnredeemedGiftCardsAndOtherAdvanceSaleTickets 10,684cnk_RevenueRecognizedOnUnredeemedGiftCardsAndOtherAdvanceSaleTickets 9,093cnk_RevenueRecognizedOnUnredeemedGiftCardsAndOtherAdvanceSaleTickets
Liabilities for advanced sale-type certificates $ 63,129cnk_AccruedLiabilitiesForAdvancedSaleTypeCertificates $ 55,024cnk_AccruedLiabilitiesForAdvancedSaleTypeCertificates  
Minimum Percentage for Tax position measure as largest amount of benefit 50.00%cnk_MinimumLikelihoodOfRealizationForTaxBenefit    
Reportable operating segments 2us-gaap_NumberOfReportableSegments    
U.S. Operating Segment      
Summary Of Significant Accounting Policies [Line Items]      
Number of reporting units 18us-gaap_NumberOfReportingUnits
/ us-gaap_StatementBusinessSegmentsAxis
= cnk_UsOperatingSegmentMember
   
International Operating Segment      
Summary Of Significant Accounting Policies [Line Items]      
Number of reporting units 8us-gaap_NumberOfReportingUnits
/ us-gaap_StatementBusinessSegmentsAxis
= cnk_InternationalOperatingSegmentMember