Summary of Impact of Translating Financial Statements of Company's International Subsidiaries (Detail) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Dec. 31, 2017
Foreign Currency Translation [Line Items]
Other comprehensive Income (Loss)	$ (56,248)	$ (18,401)	$ (56,044)	$ (3,508)
Brazil
Foreign Currency Translation [Line Items]
Exchange Rate	3.88		3.88		3.31
Other comprehensive Income (Loss)			$ (34,511)
Argentina
Foreign Currency Translation [Line Items]
Exchange Rate	28.94		28.94		18.65
Other comprehensive Income (Loss)			$ (16,896)
Peru
Foreign Currency Translation [Line Items]
Exchange Rate	3.28		3.28		3.24
Other comprehensive Income (Loss)			$ (580)
Chile
Foreign Currency Translation [Line Items]
Exchange Rate	654.28		654.28		615.97
Other comprehensive Income (Loss)			$ (4,372)
Other foreign countries
Foreign Currency Translation [Line Items]
Other comprehensive Income (Loss)			315
International Subsidiaries | Cinemark Holdings, Inc. Stockholders' Equity
Foreign Currency Translation [Line Items]
Other comprehensive Income (Loss)			$ (56,044)