Economic interest in DCIP.

No definition available.

Name:	cnk_EconomicInterestInCompanyTwo
Namespace Prefix:	cnk_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Event fees paid to joint venture.

+ References

No definition available.

+ Details

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

- Definition

Number of digital projection systems leased under operating lease with DCIP affiliate.

+ References

No definition available.

+ Details

Name:	cnk_NumberOfDigitalProjectionSystemsLeased
Namespace Prefix:	cnk_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Amounts paid to equity investee for content delivery services.

+ References

No definition available.

+ Details

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

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19,20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_NotesPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585

+ Details

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

- 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

- Details

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

- Details

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

- Details

Name:	us-gaap_IncomeStatementLocationAxis=cnk_FilmRentalsAndAdvertisingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

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

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=cnk_AWSRInvestmentsLimitedLiabilityCompanyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Other Investments - Additional Information (Detail) $ in Thousands		3 Months Ended
	Apr. 30, 2018 USD ($)	Mar. 31, 2019 USD ($) ProjectionSystem	Mar. 31, 2018 USD ($)
Digital Cinema Implementation Partners
Schedule Of Equity Method Investments [Line Items]
Percentage of voting interest		33.00%
Economic interest in Digital Cinema Implementation Partners		24.30%
Number of equipment being leased under master equipment lease agreement \| ProjectionSystem		3,866
AC JV, LLC \| Film rentals and advertising
Schedule Of Equity Method Investments [Line Items]
Event fees		$ 5,317	$ 2,571
NCM
Schedule Of Equity Method Investments [Line Items]
Remaining outstanding balance of note payable		$ 1,389
Digital Cinema Distribution Coalition
Schedule Of Equity Method Investments [Line Items]
Percentage of voting interest		14.60%
Payments for content delivery services		$ 263	$ 234
CNMK Texas Properties, LLC
Schedule Of Equity Method Investments [Line Items]
Percentage of voting interest	50.00%
Cash contributions	$ 20,000
CNMK Texas Properties, LLC \| AWSR Investments, LLC
Schedule Of Equity Method Investments [Line Items]
Percentage of voting interest	50.00%
Cash contributions	$ 20,000