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Schedule 1 Dividend Declared for Fiscal Period (Parenthetical) (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Dividend Declared [Line Items] |  |  |
Dividends related to outstanding restricted stock units | $ 670 | $ 624 | $ 558
Cinemark Holdings, Inc. |  |  |
Dividend Declared [Line Items] |  |  |
Dividends related to outstanding restricted stock units | $ 670 | $ 624 | $ 558

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- Definition Dividend Declared [Line Items] + References No definition available. + Details
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- Definition Amount of dividends accrued on unvested restricted stock units to be paid upon vesting. + References No definition available. + Details
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Namespace Prefix: | cnk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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