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Capital Stock - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Stockholders Equity Note [Line Items] |  |  |
Intrinsic value of options exercised | $ 296 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue | $ 168 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue | $ 1,070 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
Tax benefit recognized on stock option exercised | 124 us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions | 71 us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions | 449 us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions
Restricted Stock |  |  |
Stockholders Equity Note [Line Items] |  |  |
Shares of Restricted Stock Granted | 269,774 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember | 271,532 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember | 653,229 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
Market value of common stock on the date of grant | $ 28.93 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember | $ 30.09 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember | $ 21.70 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember
Minimum forfeiture rate for restricted stock awards | 0.00%cnk_MinimumForfeitureRateForRestrictedStockAwardsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |  |
Maximum forfeiture rate for restricted stock awards | 5.00%cnk_MaximumForfeitureRateForRestrictedStockAwardsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |  |
Unrecognized compensation expense | 12,309 us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |  |
Remaining Compensation Expense recognition period (in years) | 2 years |  |
Restricted Stock | Director |  |  |
Stockholders Equity Note [Line Items] |  |  |
Award vesting period for restricted stock granted | 1 year |  |
Restricted Stock | Minimum |  |  |
Stockholders Equity Note [Line Items] |  |  |
Market value of common stock on the date of grant | $ 28.54 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_RangeAxis = us-gaap_MinimumMember |  |
Restricted Stock | Minimum | Employees [Member] |  |  |
Stockholders Equity Note [Line Items] |  |  |
Award vesting period for restricted stock granted | 3 years |  |
Restricted Stock | Maximum |  |  |
Stockholders Equity Note [Line Items] |  |  |
Market value of common stock on the date of grant | $ 35.49 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |
Restricted Stock | Maximum | Employees [Member] |  |  |
Stockholders Equity Note [Line Items] |  |  |
Award vesting period for restricted stock granted | 4 years |  |
Restricted Stock Units (RSUs) |  |  |
Stockholders Equity Note [Line Items] |  |  |
Market value of common stock on the date of grant | $ 28.54 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |  |
Remaining Compensation Expense recognition period (in years) | 2 years |  |
Number of hypothetical shares of common stock | 197,515 cnk_NumberOfHypotheticalSharesOfCommonStockIssuedAtMaxIrrLevel / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember | 115,107 cnk_NumberOfHypotheticalSharesOfCommonStockIssuedAtMaxIrrLevel / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember | 152,955 cnk_NumberOfHypotheticalSharesOfCommonStockIssuedAtMaxIrrLevel / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember
Percentage of IRR, which is the threshold | 8.50%cnk_ThresholdPercentageOfIrr / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |  |
Percentage of IRR, which is the target | 10.50%cnk_TargetedPercentageOfIrr / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |  |
Percentage of IRR, which is the maximum | 12.50%cnk_MaximumPercentageOfIrr / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |  |
Percentage of IRR excpected | 11.50%cnk_ExampleCalculationPercentageOfIrrExpectedRestrictedStockUnitsGrants / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |  |
Number of hypothetical shares of common stock | 573,584 cnk_NumberOfHypotheticalSharesOfCommonStockOutstandingAtMaximumInternalRateOfReturnLevel / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |  |
Actual cumulative forfeitures (in units) | 42,207 cnk_CumulativeRestrictedStockUnitAwardForfeitures / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |  |
Assumed maximum IRR for all grants | 12.50%cnk_AssumedIrrLevelForAllRestrictedStockUnitAwards / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |  |
Unrecognized Compensation expense related to outstanding restricted stock | $ 4,803 cnk_UnrecognizedCompensationExpenseForOutstandingOptions / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |  |
Restricted Stock Units (RSUs) | 2012 Grants |  |  |
Stockholders Equity Note [Line Items] |  |  |
Assumed maximum IRR for all grants | 11.10%cnk_AssumedIrrLevelForAllRestrictedStockUnitAwards / cnk_AwardByGrantDateAxis = cnk_TwentyTwelveEquityGrantsMember / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |  |
Restricted Stock Units (RSUs) | Minimum |  |  |
Stockholders Equity Note [Line Items] |  |  |
Expected forfeiture rate | 0.00%cnk_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitureRate / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember / us-gaap_RangeAxis = us-gaap_MinimumMember |  |
Restricted Stock Units (RSUs) | Maximum |  |  |
Stockholders Equity Note [Line Items] |  |  |
Expected forfeiture rate | 5.00%cnk_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitureRate / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |

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- Definition Disclosure of the aggregate tax benefit realized from the exercise of stock options and the conversion of similar instruments during the annual period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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