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Summary of Treasury Stock Activity (Parenthetical) (Detail) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2013
Schedule of Treasury Stock [Line Items] |
Common stock repurchased value as result of restricted stock forfeitures and canceled | $ 0.001
Minimum |
Schedule of Treasury Stock [Line Items] |
Market Value of Restricted Shares | $ 22.40
Maximum |
Schedule of Treasury Stock [Line Items] |
Market Value of Restricted Shares | $ 30.23

X
- Definition Common stock repurchased value as result of restricted stock forfeitures and canceled. + References No definition available. + Details
Name: | cnk_CommonStockRepurchasedValueAsResultOfRestrictedStockForfeituresAndCanceled
Namespace Prefix: | cnk_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Market value per share of restricted shares withheld by company related to restricted stock vesting + References No definition available. + Details
Name: | cnk_MarketValueOfRestrictedSharesWithheld
Namespace Prefix: | cnk_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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