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OTHER INVESTMENTS - Transactions with DCIP (Parenthetical) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Digital Cinema Implementation Partners [Member]
Schedule of Equity Method Investments [Line Items]
Lease termination payments	$ 3.9	$ 0.7

X

- Definition

Lease Termination Payment.

+ References

No definition available.

+ Details

Name:	cnk_LeaseTerminationPayment
Namespace Prefix:	cnk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_ScheduleOfEquityMethodInvestmentsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=cnk_DigitalCinemaImplementationPartnersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: