XML 117 R62.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Schedule of Operating and Finance Right-of-Use Assets and Lease Liabilities (Parenthetical) (Detail) $ in Thousands | Dec. 31, 2019 USD ($)
--- | ---
Leases [Abstract] |
Finance lease assets, accumulated amortization | $ 36,384

X
- Definition Finance lease right of use asset, accumulated amortization. + References No definition available. + Details
Name: | cnk_FinanceLeaseRightOfUseAssetAccumulatedAmortization
Namespace Prefix: | cnk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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