Summary of Changes in Stockholders Equity (Parenthetical) (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Mar. 30, 2015	Sep. 30, 2014	Jun. 30, 2014	Mar. 30, 2014	Sep. 30, 2015		Sep. 30, 2014
Shareholders Equity [Line Items]
Unrealized loss due to fair value adjustments on interest rate swap agreements, taxes	$ 454			$ 529			$ 1,412		$ 1,287
Unrealized (loss) gain due to fair value adjustments on available-for-sale securities, taxes	$ 1,234			$ 1,542			$ 998		$ 374
Declaration Date	Aug. 20, 2015	May 18, 2015	Feb. 17, 2015	Aug. 13, 2014	May 22, 2014	Feb. 14, 2014
Record Date	Aug. 31, 2015	Jun. 05, 2015	Mar. 04, 2015	Aug. 28, 2014	Jun. 06, 2014	Mar. 04, 2014
Date Paid	Sep. 11, 2015	Jun. 19, 2015	Mar. 19, 2015	Sep. 12, 2014	Jun. 20, 2014	Mar. 19, 2014
Amount per Share of Common Stock	$ 0.25	$ 0.25	$ 0.25	$ 0.25	$ 0.25	$ 0.25	$ 0.75		$ 0.75
Total Amount Paid	$ 28,982	$ 28,977	$ 28,923	$ 28,929	$ 28,926	$ 28,845	$ 86,882	[1]	$ 86,700	[2]
Cinemark Holdings, Inc. Stockholders' Equity
Shareholders Equity [Line Items]
Unrealized loss due to fair value adjustments on interest rate swap agreements, taxes							1,412		1,287
Unrealized (loss) gain due to fair value adjustments on available-for-sale securities, taxes							998		374
Total Amount Paid							$ 86,882	[1]	$ 86,700	[2]

[1] Below is a summary of dividends paid to stockholders during the nine months ended September 30, 2015: Declaration Date Record Date Date Paid Amount per Share of Common Stock Total Amount Paid 02/17/15 03/04/15 03/19/15 $ 0.25 $ 28,923 05/18/15 06/05/15 06/19/15 $ 0.25 28,977 08/20/15 08/31/15 09/11/15 $ 0.25 28,982 Total $ 0.75 $ 86,882

[2] Below is a summary of dividends paid to stockholders during the nine months ended September 30, 2014: Declaration Date Record Date Date Paid Amount per Share of Common Stock Total Amount Paid 02/14/14 03/04/14 03/19/14 $ 0.25 $ 28,845 05/22/14 06/06/14 06/20/14 $ 0.25 28,926 08/13/14 08/28/14 09/12/14 $ 0.25 28,929 Total $ 0.75 $ 86,700