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v3.25.1

Lease Accounting - Additional Information (Detail) $ in Millions | Mar. 31, 2025 USD ($)
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Theatres |
Lease [Line Items] |
Contractual minimum lease payments payable under operating lease, lease not yet commenced | $ 22.3

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

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

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