CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - USD ($) shares in Millions, $ in Millions	Total	Treasury Stock	Total Cinemark Holdings, Inc.'s Stockholders' Equity	CNK	CNK Common Stock	CNK Treasury Stock	CNK Additional Paid-In-Capital	CNK Retained earnings (deficit)	CNK Accumulated other comprehensive loss	CNK Total Cinemark Holdings, Inc.'s Stockholders' Equity	CNK Noncontrolling Interests	CUSA	CUSA Common Stock	CUSA Treasury Stock	CUSA Additional Paid-In-Capital	CUSA Retained earnings (deficit)	CUSA Accumulated other comprehensive loss	CUSA Total Cinemark Holdings, Inc.'s Stockholders' Equity	CUSA Noncontrolling Interests
Balance, beginning of period at Dec. 31, 2021				$ 334.5	$ 0.1	$ (91.1)	$ 1,197.8	$ (389.4)	$ (394.5)	$ 322.9	$ 11.6	$ 554.9	$ 49.5	$ (24.2)	$ 1,459.0	$ (544.0)	$ (397.0)	$ 543.3	$ 11.6
Balance,(in shares) beginning of period at Dec. 31, 2021					125.1								0.2
Restricted stock forfeitures and stock withholdings related to share based awards that vested				(1.6)		(1.6)				(1.6)
Issuance of stock share upon vesting of performance stock units					0.1
Share based awards compensation expense					$ 0.7							4.9			4.9			4.9
Issuance of share based awards and share based awards compensation expense				5.1			5.1			5.1
Net income (loss)	$ (72.5)			(72.5)				(74.0)		(74.0)	1.5	(61.0)				(62.5)		(62.5)	1.5
Amortization of accumulated gains for amended swap agreements				1.1					1.1	1.1		(1.1)					(1.1)	(1.1)
Other comprehensive income				32.8					32.8	32.8		29.0					29.0	29.0
Balance, end of period at Mar. 31, 2022				299.4	$ 0.1	(92.7)	1,202.9	(463.4)	(360.6)	286.3	13.1	528.9	$ 49.5	(24.2)	1,463.9	(606.5)	(366.9)	515.8	13.1
Balance,(in shares) ending of period at Mar. 31, 2022					125.9								0.2
Balance, beginning of period at Dec. 31, 2022				119.5	$ 0.1	(95.4)	1,219.3	660.6	(353.2)	110.2	9.3	381.9	$ 49.5	(24.2)	1,479.5	(775.9)	(356.3)	372.6	9.3
Balance,(in shares) beginning of period at Dec. 31, 2022					126.1								0.2
Restricted stock forfeitures and stock withholdings related to share based awards that vested	(2.1)	$ (2.1)	$ (2.1)
Issuance of stock share upon vesting of performance stock units					0.1
Share based awards compensation expense					$ 1.3							5.4			5.4			5.4
Issuance of share based awards and share based awards compensation expense				5.7			5.7			5.7
Net income (loss)	$ (2.5)			(2.5)				(3.1)		(3.1)	0.6	6.3				(5.7)		(5.7)	0.6
Amortization of accumulated gains for amended swap agreements				(1.5)					(1.5)	(1.5)		(1.5)					(1.5)	(1.5)
Other comprehensive income				4.7					4.7	4.7	4.7	4.7					4.7	4.7
Balance, end of period at Mar. 31, 2023				$ 123.8	$ 0.1	$ (97.5)	$ 1,225.0	$ (663.7)	$ (350.0)	$ 113.9	$ 9.9	$ 396.8	$ 49.5	$ (24.2)	$ 1,484.9	$ (770.2)	$ (353.1)	$ 386.9	$ 9.9
Balance,(in shares) ending of period at Mar. 31, 2023					127.5								0.2