Summary of Activity with NCM Included in Company's Consolidated Financial Statements (Parenthetical) (Detail) $ in Millions	6 Months Ended
Jun. 30, 2022 USD ($)
Equity Method Investments and Joint Ventures [Abstract]
Company's beverage concessionaire advertising costs	$ 3.8
Amounts recognized as accounts receivable	$ 7.1

Cost of on-screen advertising time provided to beverage concessionaire.

No definition available.

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Namespace Prefix:	cnk_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration