CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Millions		Total	CUSA [Member]	CUSA	CNK	Common Stock CUSA [Member] Class B Common Stock	Common Stock CNK	Treasury Stock Preferred CUSA [Member]	Treasury Stock Preferred CNK	Additional Paid-in- Capital CUSA [Member]	Additional Paid-in- Capital CNK	Retained Earnings CUSA [Member]	Retained Earnings CNK	Accumulated Other Comprehensive Loss CUSA [Member]	Accumulated Other Comprehensive Loss CNK	Total Cinemark Holdings, Inc.'s Stockholders' Equity CUSA [Member]	Total Cinemark Holdings, Inc.'s Stockholders' Equity CNK	Noncontrolling Interests CUSA [Member]	Noncontrolling Interests CNK
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	125,100,000	(100,000)	(5,400,000)
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 and stock withholdings related to share-based awards that vested during the year					(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
Distributions to noncontrolling interests			(5.5)															(5.5)
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		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	126,100,000	(100,000)	(5,700,000)
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 and stock withholdings related to share-based awards that vested during the year					(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
Distributions to noncontrolling interests			(3.6)															(3.6)
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)
Amortization of accumulated gains for amended swap agreements			(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)
Issuance of restricted stock (in shares)							1,000,000
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]	(4.9)
Restricted stock forfeitures and stock withholdings related to share-based awards that vested during the year					(4.9)				$ (4.9)								(4.9)
Restricted stock forfeitures and stock withholdings related to share based awards that vested during the year (in shares)									(400,000)
Share based awards compensation expense			31.3		32.6					31.3	32.6					31.3	32.6
Distributions to noncontrolling interests			(3.2)															(3.2)
Distributions to noncontrolling interests					(3.2)														(3.2)
Net (loss) income		$ 312.9	324.1		312.9							320.9	309.7			320.9	309.7	3.2	3.2
Amortization of accumulated losses for amended swap agreements					(14.4)										(14.4)		(14.4)
Amortization of accumulated gains for amended swap agreements			(14.4)											(14.4)		(14.4)
Other comprehensive income (loss)			(38.4)		(38.4)									(38.4)	(38.4)	(38.4)	(38.4)
Balance at Dec. 31, 2024			$ 899.7	$ 899.7	$ 603.4	$ 49.5	$ 0.1	$ (24.2)	$ (103.2)	$ 1,534.6	$ 1,276.9	$ (249.7)	$ (162.7)	$ (419.5)	$ (416.7)	$ 890.7	$ 594.4	$ 9.0	$ 9.0
Balance (in shares) at Dec. 31, 2024						200,000	128,700,000	(100,000)	(6,400,000)

[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:     Year Ended December 31,     2022   2023   2024 Market Values   $12.11 to $18.33   $11.16 to $18.36   $13.93 to $31.57