Earnings Per Share (Details) (USD $) In Thousands, except Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Numerator:
Net income attributable to Cinemark Holdings, Inc.	$ 40,411	$ 39,682	$ 65,374	$ 74,775
Earnings allocated to participating share-based awards	(480)	(425)	(667)	(600)
Net income attributable to common stockholders	$ 39,931	$ 39,257	$ 64,707	$ 74,175
Denominator (shares in thousands):
Basic weighted average common stock outstanding	112,764	111,207,000	112,654,000	110,879
Diluted	113,209	111,552	113,080	111,299,000
Basic earnings per share attributable to common stockholders	$ 0.35	$ 0.35	$ 0.57	$ 0.67
Diluted earnings per share attributable to common stockholders	$ 0.35	$ 0.35	$ 0.57	$ 0.67
Earnings Per Share (Textuals) [Abstract]
Shares of unvested restricted stock	1,357,000	1,206,000	1,162,000	898,000
Restricted Stock units [Member]
Denominator (shares in thousands):
Common equivalent shares for restricted stock units	404,000	145,000	380,000	154,000
Stock Options [Member]
Denominator (shares in thousands):
Common equivalent shares for stock options	41,000	200,000	46,000	266,000