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Summary of Activity with NCM Included in Company's Consolidated Financial Statements (Parenthetical) (Detail) $ in Millions | 3 Months Ended
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Mar. 31, 2022 USD ($)
Equity Method Investments and Joint Ventures [Abstract] |
Company's beverage concessionaire advertising costs | $ 1.5
Amounts recognized as accounts receivable | $ 6.2

X
- Definition Amounts recognized as accounts receivable. + References No definition available. + Details
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Namespace Prefix: | cnk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Cost of on-screen advertising time provided to beverage concessionaire. + References No definition available. + Details
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Namespace Prefix: | cnk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration