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Lease Accounting - Additional Information (Detail) $ in Millions | Sep. 30, 2024 USD ($)
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Theatres |
Lease [Line Items] |
Contractual minimum lease payments payable under operating lease, lease not yet commenced | $ 21.6

X
- Definition Contractual minimum lease payments payable under lessee operating lease lease not yet commenced. + References No definition available. + Details
Name: | cnk_ContractualMinimumLeasePaymentsPayableUnderLesseeOperatingLeaseLeaseNotYetCommenced
Namespace Prefix: | cnk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Lease. + References No definition available. + Details
Name: | cnk_LeaseLineItems
Namespace Prefix: | cnk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=cnk_TheatresMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |