Quarterly report pursuant to Section 13 or 15(d)

Computations of Basic and Diluted Earnings Per Share (Detail)

v3.10.0.1
Computations of Basic and Diluted Earnings Per Share (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Earnings Per Share Disclosure [Line Items]        
Net income attributable to Cinemark Holdings, Inc. $ 50,228 $ 38,139 $ 194,384 $ 169,106
Earnings allocated to participating share-based awards [1] (304) (209) (1,123) (842)
Net income attributable to common stockholders $ 49,924 $ 37,930 $ 193,261 $ 168,264
Basic weighted average common stock outstanding 116,119 115,823 116,032 115,746
Diluted 116,322 116,104 116,288 116,063
Basic earnings per share attributable to common stockholders $ 0.43 $ 0.33 $ 1.66 $ 1.45
Diluted earnings per share attributable to common stockholders $ 0.43 $ 0.33 $ 1.66 $ 1.45
Restricted Stock Units (RSUs)        
Earnings Per Share Disclosure [Line Items]        
Common equivalent shares for restricted stock units 203 281 256 317
[1] For the three months ended September 30, 2018 and 2017, a weighted average of approximately 708 and 643 shares of unvested restricted stock, respectively, were considered participating securities. For the nine months ended September 30, 2018 and 2017, a weighted average of approximately 677 and 581 shares of restricted stock, respectively, were considered participating securities.