Summary of Changes in Stockholders Equity (Detail) - USD ($) $ 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]
Beginning Balance			$ 1,112,800				$ 1,112,800
Share based awards compensation expense							9,850		$ 9,564
Stock withholdings related to share based awards that vested							(4,770)		(9,776)
Tax benefit related to share based awards vesting and dividends paid on unvested stock							2,417		3,569
Dividends paid to stockholders	$ (28,982)	$ (28,977)	(28,923)	$ (28,929)	$ (28,926)	$ (28,845)	(86,882)	[1]	(86,700)	[2]
Dividends accrued on unvested restricted stock unit awards							(298)	[1]	(377)	[2]
Dividends paid to noncontrolling interests							(294)		(221)
Net income	46,701			38,532			160,493		146,362
Fair value adjustments on interest rate swap agreements designated as hedges, net of settlements, net of taxes							2,379		2,050
Fair value adjustments on available-for-sale securities, net of taxes	(2,092)			(2,603)			(1,680)		641
Other comprehensive income (loss) in equity method investees	(72)			466			(3,010)		862
Foreign currency translation adjustments	(59,181)			(38,278)			(105,228)		(39,121)
Ending Balance	1,084,731						1,084,731
Balance at January 1, 2015			10,329				10,329
Net income	(362)			(403)			(1,375)		(1,059)
Balance at September 30, 2015	11,375						11,375
Total Equity, Beginning Balance			1,123,129			1,102,417	1,123,129		1,102,417
Total Equity, Ending Balance	1,096,106			1,129,382			1,096,106		1,129,382
Exercise of stock options									112
Noncontrolling Interests
Shareholders Equity [Line Items]
Dividends paid to noncontrolling interests							(294)		(221)
Foreign currency translation adjustments							(35)		(3)
Balance at January 1, 2015			10,329			8,995	10,329		8,995
Net income							1,375		1,059
Balance at September 30, 2015	11,375			9,830			11,375		9,830
Cinemark Holdings, Inc. Stockholders' Equity
Shareholders Equity [Line Items]
Beginning Balance			$ 1,112,800			$ 1,093,422	1,112,800		1,093,422
Share based awards compensation expense							9,850		9,564
Stock withholdings related to share based awards that vested							(4,770)		(9,776)
Tax benefit related to share based awards vesting and dividends paid on unvested stock							2,417		3,569
Dividends paid to stockholders							(86,882)	[1]	(86,700)	[2]
Dividends accrued on unvested restricted stock unit awards							(298)	[1]	(377)	[2]
Net income							159,118		145,303
Fair value adjustments on interest rate swap agreements designated as hedges, net of settlements, net of taxes							2,379		2,050
Fair value adjustments on available-for-sale securities, net of taxes							(1,680)		641
Other comprehensive income (loss) in equity method investees							(3,010)		862
Foreign currency translation adjustments							(105,193)		(39,118)
Ending Balance	$ 1,084,731			$ 1,119,552			$ 1,084,731		1,119,552
Exercise of stock options									$ 112

[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