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v3.25.1

Dividends (Additional Information) (Details) - $ / shares | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Dividends Payable [Line Items] |  |
Dividends paid to stockholders | $ 0.08 |
O2025Q1Dividends [Member] |  |
Dividends Payable [Line Items] |  |
Dividends Payable Amount Per Common Share |  | $ 0.32
Dividends paid to stockholders | $ 0.08 |

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- Definition Dividends Payable Amount Per Common Share + References No definition available. + Details
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Namespace Prefix: | cnk_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration

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

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |