Capital Stock - Additional Information (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified |
12 Months Ended | ||
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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Stockholders Equity Note [Line Items] | |||
Intrinsic value of options exercised | $ 296us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue | $ 168us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue | $ 1,070us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue |
Tax benefit recognized on stock option exercised | 124us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions | 71us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions | 449us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions |
Restricted Stock | |||
Stockholders Equity Note [Line Items] | |||
Shares of Restricted Stock Granted |
269,774us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |
271,532us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |
653,229us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |
Market value of common stock on the date of grant |
$ 28.93us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |
$ 30.09us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |
$ 21.70us-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 |
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Maximum forfeiture rate for restricted stock awards |
5.00%cnk_MaximumForfeitureRateForRestrictedStockAwardsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |
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Unrecognized compensation expense |
12,309us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember |
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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 |
$ 28.54us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_RangeAxis = us-gaap_MinimumMember |
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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 |
$ 35.49us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockMember / us-gaap_RangeAxis = us-gaap_MaximumMember |
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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 |
$ 28.54us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |
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Remaining Compensation Expense recognition period (in years) | 2 years | ||
Number of hypothetical shares of common stock |
197,515cnk_NumberOfHypotheticalSharesOfCommonStockIssuedAtMaxIrrLevel / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |
115,107cnk_NumberOfHypotheticalSharesOfCommonStockIssuedAtMaxIrrLevel / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |
152,955cnk_NumberOfHypotheticalSharesOfCommonStockIssuedAtMaxIrrLevel / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |
Percentage of IRR, which is the threshold |
8.50%cnk_ThresholdPercentageOfIrr / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |
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Percentage of IRR, which is the target |
10.50%cnk_TargetedPercentageOfIrr / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |
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Percentage of IRR, which is the maximum |
12.50%cnk_MaximumPercentageOfIrr / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |
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Percentage of IRR excpected |
11.50%cnk_ExampleCalculationPercentageOfIrrExpectedRestrictedStockUnitsGrants / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |
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Number of hypothetical shares of common stock |
573,584cnk_NumberOfHypotheticalSharesOfCommonStockOutstandingAtMaximumInternalRateOfReturnLevel / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |
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Actual cumulative forfeitures (in units) |
42,207cnk_CumulativeRestrictedStockUnitAwardForfeitures / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |
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Assumed maximum IRR for all grants |
12.50%cnk_AssumedIrrLevelForAllRestrictedStockUnitAwards / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |
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Unrecognized Compensation expense related to outstanding restricted stock |
$ 4,803cnk_UnrecognizedCompensationExpenseForOutstandingOptions / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember |
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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 |
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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 |
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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 |
X | ||||||||||
- Definition
Assumed Irr level for all restricted stock unit awards. No definition available.
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- Definition
Cumulative restricted stock unit forfeitures for grants yet to vest. Excludes forfeitures for RSU grants for which the service period has ended. No definition available.
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- Definition
Example Calculation Percentage Of IRR Expected Restricted Stock Units Grants No definition available.
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- Definition
Maximum forfeiture rate used for restricted stock awards granted during the period. No definition available.
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- Definition
Percentage of IRR, which is the maximum. No definition available.
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X | ||||||||||
- Definition
Minimum forfeiture rate used for restricted stock awards granted during the period. No definition available.
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- Definition
Number of hypothetical shares that could be issued if IRR level of at least 12.5% is reached for all grants for which restricted stock units are outstanding. No definition available.
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- Definition
Number Of Hypothetical Shares of Common Stock Outstanding at Maximum Internal Rate of Return Level No definition available.
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X | ||||||||||
- Definition
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Forfeiture Rate No definition available.
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- Definition
Percentage of IRR, which is the target. No definition available.
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- Definition
Percentage of IRR, which is the threshold. No definition available.
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X | ||||||||||
- Definition
Unrecognized compensation expense for outstanding options. No definition available.
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X | ||||||||||
- Definition
Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation. No definition available.
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X | ||||||||||
- Definition
Disclosure of the aggregate tax benefit realized from the exercise of stock options and the conversion of similar instruments during the annual period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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