Summary of Changes in Stockholders Equity (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018		Jun. 30, 2017		Jan. 01, 2018
Shareholders Equity [Line Items]
Cinemark Holdings, Inc. stockholder's equity, Beginning Balance			$ 1,393,795
Noncontrolling Interests, Beginning balance			11,893
Total Equity, Beginning Balance			1,405,688		$ 1,272,960
Cumulative effect of change in accounting principle, net of taxes of $13,079 (see Note 3)							$ 40,526
Share based awards compensation expense			6,878		6,444
Stock withholdings related to share based awards that vested			(2,905)		(2,921)
Dividends paid to stockholders			(74,723)	[1]	(67,528)	[2]
Dividends accrued on unvested restricted stock unit awards			(271)	[1]	(288)	[2]
Dividends paid to noncontrolling interests					(294)
Net income attributable to Cinemark Holdings, Inc.	$ 82,135	$ 51,239	144,156		130,967
Net income attributable to Noncontrolling Interests	(329)	(571)	(485)		(1,037)
Net income	82,464	51,810	144,641		132,004
Other comprehensive income in equity method investees	(116)	(95)	20		103
Foreign currency translation adjustments			(56,044)		(5,059)
Cinemark Holding, Inc. stockholder's equity, Ending Balance	1,451,432		1,451,432
Noncontrolling Interests, Ending Balance	12,378		12,378
Total Equity, Ending Balance	1,463,810	1,335,421	1,463,810		1,335,421
Cinemark Holdings, Inc. Stockholders' Equity
Shareholders Equity [Line Items]
Cinemark Holdings, Inc. stockholder's equity, Beginning Balance			1,393,795		1,261,818
Cumulative effect of change in accounting principle, net of taxes of $13,079 (see Note 3)							40,526
Share based awards compensation expense			6,878		6,444
Stock withholdings related to share based awards that vested			(2,905)		(2,921)
Dividends paid to stockholders			(74,723)	[1]	(67,528)	[2]
Dividends accrued on unvested restricted stock unit awards			(271)	[1]	(288)	[2]
Dividends paid to noncontrolling interests					0
Net income attributable to Cinemark Holdings, Inc.			144,156		130,967
Other comprehensive income in equity method investees			20		103
Foreign currency translation adjustments			(56,044)		(5,059)
Cinemark Holding, Inc. stockholder's equity, Ending Balance	1,451,432	1,323,536	1,451,432		1,323,536
Noncontrolling Interests
Shareholders Equity [Line Items]
Noncontrolling Interests, Beginning balance			11,893		11,142
Cumulative effect of change in accounting principle, net of taxes of $13,079 (see Note 3)							$ 0
Share based awards compensation expense			0		0
Stock withholdings related to share based awards that vested			0		0
Dividends paid to stockholders			0	[1]	0	[2]
Dividends accrued on unvested restricted stock unit awards			0	[1]	0	[2]
Dividends paid to noncontrolling interests					(294)
Net income attributable to Noncontrolling Interests			485		1,037
Other comprehensive income in equity method investees			0		0
Foreign currency translation adjustments			0		0
Noncontrolling Interests, Ending Balance	$ 12,378	$ 11,885	$ 12,378		$ 11,885

[1] The Company’s board of directors declared a cash dividend for the fourth quarter of 2017 in the amount of $0.32 per share of common stock payable to stockholders of record on March 8, 2018. The dividend was paid on March 22, 2018. The Company’s board of directors declared a cash dividend for the first quarter of 2018 in the amount of $0.32 per share of common stock payable to stockholders of record on June 8, 2018. The dividend was paid on June 22, 2018.

[2] The Company’s board of directors declared a cash dividend for the fourth quarter of 2016 in the amount of $0.29 per share of common stock payable to stockholders of record on March 8, 2017. The dividend was paid on March 20, 2017. The Company’s board of directors declared a cash dividend for the first quarter of 2017 in the amount of $0.29 per share of common stock payable to stockholders of record on June 8, 2017. The dividend was paid on June 22, 2017.