CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 82,464	$ 51,810	$ 144,641	$ 132,004
Other comprehensive income (loss), net of tax
Other comprehensive income (loss) in equity method investments	(116)	(95)	20	103
Foreign currency translation adjustments	(56,248)	(18,401)	(56,044)	(3,508)
Total other comprehensive loss, net of tax	(56,364)	(18,496)	(56,024)	(3,405)
Total comprehensive income, net of tax	26,100	33,314	88,617	128,599
Comprehensive income attributable to noncontrolling interests	(329)	(571)	(485)	(1,037)
Comprehensive income attributable to Cinemark Holdings, Inc.	$ 25,771	$ 32,743	$ 88,132	$ 127,562