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Summary of Significant Accounting Policies - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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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 | 8.0 cnk_MultiplicationValueToCashFlowsForDeterminationOfFairValueOfReportingUnits | 8.0 cnk_MultiplicationValueToCashFlowsForDeterminationOfFairValueOfReportingUnits | 7.5 cnk_MultiplicationValueToCashFlowsForDeterminationOfFairValueOfReportingUnits
Amortization period of deferred charges and other assets, minimum | 1 cnk_AmortizationPeriodOfDeferredChargesAndOtherAssetsMinimum |  |
Amortization period of deferred charges and other assets, maximum | 10 cnk_AmortizationPeriodOfDeferredChargesAndOtherAssetsMaximum |  |
General liability claim per occurrence | $ 100 cnk_GeneralLiabilityCapPerClaim | $ 250 cnk_GeneralLiabilityCapPerClaim | $ 250 cnk_GeneralLiabilityCapPerClaim
Annual cap per policy year | 2,670 cnk_AnnualGeneralLiabilityCapPerPolicyYear | 2,600 cnk_AnnualGeneralLiabilityCapPerPolicyYear | 2,650 cnk_AnnualGeneralLiabilityCapPerPolicyYear
Medical claim per occurrence | 125 cnk_MedicalCapPerClaim |  |
Insurance Reserves | 7,675 cnk_InsuranceReserveCurrent | 7,376 cnk_InsuranceReserveCurrent |
Unredeemed gift cards and other advances | 12,233 cnk_RevenueRecognizedOnUnredeemedGiftCardsAndOtherAdvanceSaleTickets | 10,684 cnk_RevenueRecognizedOnUnredeemedGiftCardsAndOtherAdvanceSaleTickets | 9,093 cnk_RevenueRecognizedOnUnredeemedGiftCardsAndOtherAdvanceSaleTickets
Liabilities for advanced sale-type certificates | $ 63,129 cnk_AccruedLiabilitiesForAdvancedSaleTypeCertificates | $ 55,024 cnk_AccruedLiabilitiesForAdvancedSaleTypeCertificates |
Minimum Percentage for Tax position measure as largest amount of benefit | 50.00%cnk_MinimumLikelihoodOfRealizationForTaxBenefit |  |
Reportable operating segments | 2 us-gaap_NumberOfReportableSegments |  |
U.S. Operating Segment |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of reporting units | 18 us-gaap_NumberOfReportingUnits / us-gaap_StatementBusinessSegmentsAxis = cnk_UsOperatingSegmentMember |  |
International Operating Segment |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of reporting units | 8 us-gaap_NumberOfReportingUnits / us-gaap_StatementBusinessSegmentsAxis = cnk_InternationalOperatingSegmentMember |  |

X
- Definition Carrying value as of the balance sheet date of obligations related to advanced sale-type certificates. + References No definition available. + Details
Name: | cnk_AccruedLiabilitiesForAdvancedSaleTypeCertificates
Namespace Prefix: | cnk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amortization period of deferred charges and other assets maximum. + References No definition available. + Details
Name: | cnk_AmortizationPeriodOfDeferredChargesAndOtherAssetsMaximum
Namespace Prefix: | cnk_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amortization period of deferred charges and other assets minimum. + References No definition available. + Details
Name: | cnk_AmortizationPeriodOfDeferredChargesAndOtherAssetsMinimum
Namespace Prefix: | cnk_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the annual cap for which the company is responsible under its current general liability insurance coverage. + References No definition available. + Details
Name: | cnk_AnnualGeneralLiabilityCapPerPolicyYear
Namespace Prefix: | cnk_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Approximate available remaining lease period for fee owned properties. + References No definition available. + Details
Name: | cnk_ApproximateAvailableRemainingLeasePeriodForFeeOwnedProperties
Namespace Prefix: | cnk_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Subsidiaries that the entity accounts for under the cost method. + References No definition available. + Details
Name: | cnk_CostMethodSubsidiaries
Namespace Prefix: | cnk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Subsidiaries that the entity accounts for under the equity method. + References No definition available. + Details
Name: | cnk_EquityMethodSubsidiaries
Namespace Prefix: | cnk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the maximum obligation of the company under its current insurance programs for each general liability claim. + References No definition available. + Details
Name: | cnk_GeneralLiabilityCapPerClaim
Namespace Prefix: | cnk_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Balance of insurance reserves as of periods indicated. + References No definition available. + Details
Name: | cnk_InsuranceReserveCurrent
Namespace Prefix: | cnk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the maximum obligation of the company under its current insurance programs for each medical claim. + References No definition available. + Details
Name: | cnk_MedicalCapPerClaim
Namespace Prefix: | cnk_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the minimum likelihood in determining whether a tax benefit will be realized. + References No definition available. + Details
Name: | cnk_MinimumLikelihoodOfRealizationForTaxBenefit
Namespace Prefix: | cnk_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Multiplication value to Cash flows for the determination of fair value of reporting units. + References No definition available. + Details
Name: | cnk_MultiplicationValueToCashFlowsForDeterminationOfFairValueOfReportingUnits
Namespace Prefix: | cnk_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition Remaining maturity period for highly liquid investments. + References No definition available. + Details
Name: | cnk_RemainingMaturityPeriodForHighlyLiquidInvestments
Namespace Prefix: | cnk_
Data Type: | us-types:durationStringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Revenue recognized on unredeemed gift cards and other advance sale tickets. + References No definition available. + Details
Name: | cnk_RevenueRecognizedOnUnredeemedGiftCardsAndOtherAdvanceSaleTickets
Namespace Prefix: | cnk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | cnk_SummaryOfSignificantAccountingPoliciesLineItems
Namespace Prefix: | cnk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Reporting Unit -URI http://asc.fasb.org/extlink&oid=6523643 + Details
Name: | us-gaap_NumberOfReportingUnits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cnk_InternationalOperatingSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cnk_UsOperatingSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |