Fair Value Measurements - Additional Information (Detail)	3 Months Ended
Mar. 31, 2023 USD ($)
Fair Value Disclosures [Abstract]
Fair value, asset transfers out of Level 3	$ 0
Fair value, asset transfers into Level 3	0
Fair Value of Assets Transfers in or Out Level 1 to Level 2	0
Fair value of assets transfers in or out, level 2 to level 1	$ 0

Fair Value of Assets Transfers in or Out Level 1 to Level 2

No definition available.

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

- Definition

Fair value of assets transfers in or out level 2 to level 1.

+ References

No definition available.

+ Details

Name:	cnk_FairValueOfAssetsTransfersInOrOutLevel2ToLevel1
Namespace Prefix:	cnk_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.

+ Details

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

- Definition

Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(3)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy.

+ References

+ Details

Name:	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration