Annual report pursuant to Section 13 and 15(d)

Condensed Parent Company Balance Sheets (Parenthetical) (Detail)

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Condensed Parent Company Balance Sheets (Parenthetical) (Detail) (USD $)
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Condensed Financial Statements, Captions [Line Items]      
Common stock, par value $ 0.001 $ 0.001  
Common stock, shares authorized 300,000,000 300,000,000  
Common stock, shares issued 118,502,752 117,593,329  
Common stock, shares outstanding 114,949,667 114,201,737  
Treasury stock, shares 3,553,085 3,391,592 3,359,859
Cinemark Holdings, Inc.
     
Condensed Financial Statements, Captions [Line Items]      
Common stock, par value $ 0.001 $ 0.001  
Common stock, shares authorized 300,000,000 300,000,000  
Common stock, shares issued 118,502,752 117,593,329  
Common stock, shares outstanding 114,949,667 114,201,737  
Treasury stock, shares 3,553,085 3,391,592