CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Millions		Total	CUSA [Member]	CUSA	CNK [Member]	Common Stock CUSA [Member] Class B Common Stock	Common Stock CNK [Member]	Treasury Stock Preferred CUSA [Member]	Treasury Stock Preferred CNK [Member]	Additional Paid-in- Capital CUSA [Member]	Additional Paid-in- Capital CNK [Member]	Retained Earnings CUSA [Member]	Retained Earnings CNK [Member]	Accumulated Other Comprehensive Loss CUSA [Member]	Accumulated Other Comprehensive Loss CNK [Member]	Total Cinemark Holdings, Inc.'s Stockholders' Equity CUSA [Member]	Total Cinemark Holdings, Inc.'s Stockholders' Equity CNK [Member]	Noncontrolling Interests CUSA [Member]	Noncontrolling Interests CNK [Member]
Balance at Dec. 31, 2020			$ 784.9		$ 798.9	$ 49.5	$ 0.1	$ (24.2)	$ (87.0)	$ 1,310.6	$ 1,245.6	$ (163.3)	$ 27.9	$ (398.7)	$ (398.7)	$ 773.9	$ 787.9	$ 11.0	$ 11.0
Balance (in shares) at Dec. 31, 2020						200,000	123,600,000	(100,000)	(5,100,000)
Impact of adoption of ASU 2020-06, net of tax | ASU 2020-06					(71.6)						(77.1)		5.5				(71.6)
Issuance of restricted stock (in shares)							1,300,000
Issuance of stock share upon vesting of performance stock units							200,000
Restricted stock forfeitures and stock withholdings related to share based awards that vested during the year	[1]	$ (4.1)
Restricted stock forfeitures					(4.1)				$ (4.1)								(4.1)
Restricted stock forfeitures and stock withholdings related to share based awards that vested during the year (in shares)									(300,000)
Share based awards compensation expense			28.4		29.3					28.4	29.3					28.4	29.3
Contributions received from parent			120.0							120.0						120.0
Net (loss) income		(422.2)	(380.1)		(422.2)							(380.7)	(422.8)			(380.7)	(422.8)	0.6	0.6
Amortization of accumulated losses for amended swap agreements			4.5		4.5									4.5	4.5	4.5	4.5
Other comprehensive income (loss)			(2.8)		(0.3)									(2.8)	(0.3)	(2.8)	(0.3)
Balance at Dec. 31, 2021			554.9		334.5	$ 49.5	$ 0.1	$ (24.2)	$ (91.1)	1,459.0	1,197.8	(544.0)	(389.4)	(397.0)	(394.5)	543.3	322.9	11.6	11.6
Balance (in shares) at Dec. 31, 2021						200,000	125.1	(100,000)	(5.4)
Issuance of restricted stock (in shares)							900,000
Issuance of stock share upon vesting of performance stock units							100,000
Restricted stock forfeitures and stock withholdings related to share based awards that vested during the year	[1]	(4.3)
Restricted stock forfeitures					(4.3)				$ (4.3)								(4.3)
Restricted stock forfeitures and stock withholdings related to share based awards that vested during the year (in shares)									(300,000)
Share based awards compensation expense			20.5		21.5					20.5	21.5					20.5	21.5
Contributions received from parent			0.0
Distributions to noncontrolling interests			(5.5)															(5.5)
Stock issued during period value Distributions to noncontrolling interests					(5.5)														(5.5)
Net (loss) income		(268.0)	(228.7)		(268.0)							(231.9)	(271.2)			(231.9)	(271.2)	3.2	3.2
Amortization of accumulated losses for amended swap agreements			4.5		4.5									4.5	4.5	4.5	4.5
Other comprehensive income (loss)			36.2		36.8									36.2	36.8	36.2	36.8
Balance at Dec. 31, 2022			381.9	$ 381.9	119.5	$ 49.5	$ 0.1	$ (24.2)	$ (95.4)	1,479.5	1,219.3	(775.9)	(660.6)	(356.3)	(353.2)	372.6	110.2	9.3	9.3
Balance (in shares) at Dec. 31, 2022						200,000	126.1	(100,000)	(5.7)
Issuance of restricted stock (in shares)							1,400,000
Issuance of stock share upon vesting of performance stock units							100,000
Restricted stock forfeitures and stock withholdings related to share based awards that vested during the year	[1]	(2.9)
Restricted stock forfeitures					(2.9)				$ (2.9)								(2.9)
Restricted stock forfeitures and stock withholdings related to share based awards that vested during the year (in shares)									(300,000)
Share based awards compensation expense			23.8		25.0					23.8	25.0					23.8	25.0
Contributions received from parent			0.0
Distributions to noncontrolling interests			(3.6)															(3.6)
Stock issued during period value Distributions to noncontrolling interests					(3.6)														(3.6)
Net (loss) income		$ 191.5	208.6		191.5							205.3	188.2			205.3	188.2	3.3	3.3
Amortization of accumulated losses for amended swap agreements			(6.4)		(6.4)									(6.4)	(6.4)	(6.4)	(6.4)
Other comprehensive income (loss)			(4.0)		(4.3)									(4.0)	(4.3)	(4.0)	4.3
Balance at Dec. 31, 2023			$ 600.3	$ 600.3	$ 318.8	$ 49.5	$ 0.1	$ (24.2)	$ (98.3)	$ 1,503.3	$ 1,244.3	$ (570.6)	$ (472.4)	$ (366.7)	$ (363.9)	$ 591.3	$ 309.8	$ 9.0	$ 9.0
Balance (in shares) at Dec. 31, 2023						200,000	127,600,000	(100,000)	(6,000,000)

[1] Holdings withheld shares as a result of the election by certain employees to satisfy their tax liabilities upon vesting in restricted stock and restricted stock units. Holdings determined the number of shares to be withheld based upon market values of the common stock of Holdings on the vest dates. Below is a summary of the range of market values per share on the vest dates for the years indicated: