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Summary of Changes in Stockholders Equity (Parenthetical) (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Shareholders Equity [Line Items]
Unrealized loss due to fair value adjustments on interest rate swap agreements, taxes	$ 453us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	$ 368us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax
Unrealized (loss) gain due to fair value adjustments on available-for-sale securities, taxes	444us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	1,192us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
Declaration Date	Feb. 17, 2015	Feb. 14, 2014
Amount per Share of Common Stock	$ 0.25us-gaap_CommonStockDividendsPerShareDeclared	$ 0.25us-gaap_CommonStockDividendsPerShareDeclared
Record Date	Mar. 04, 2015	Mar. 04, 2014
Date Paid	Mar. 18, 2015	Mar. 19, 2014
Cinemark Holdings, Inc. Stockholders' Equity
Shareholders Equity [Line Items]
Unrealized loss due to fair value adjustments on interest rate swap agreements, taxes	453us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember	368us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember
Unrealized (loss) gain due to fair value adjustments on available-for-sale securities, taxes	$ 444us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember	$ 1,192us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember

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Aggregate dividends declared during the period for each share of common stock outstanding.

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

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