XML 104 R85.htm IDEA: XBRL DOCUMENT
v3.19.3

Impairment of Long-Lived Assets - Additional Information (Detail) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2019 USD ($) | Sep. 30, 2018
Impairment Or Disposal Of Tangible Assets Disclosure [Abstract] |  |
Estimated aggregate fair value of long-lived assets impaired during current period | $ 27,383 |
Multiple of cash flows used to estimate fair value of long-lived asset | 6.5 | 6.5

X
- Definition Estimated aggregate fair value of long lived assets impaired during current period. + References No definition available. + Details
Name: | cnk_EstimatedAggregateFairValueOfLongLivedAssetsImpairedDuringCurrentPeriod
Namespace Prefix: | cnk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents cash flow multiple used to estimate fair value of long-lived assets evaluated for impairment during reporting period. + References No definition available. + Details
Name: | cnk_FairValueInputsCashFlowsMultiple
Namespace Prefix: | cnk_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_ImpairmentOrDisposalOfTangibleAssetsDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration