Long Term Debt - Components of Long-Term Debt (Details) - USD ($) $ in Millions		Mar. 31, 2024	Dec. 31, 2023
CNK [Member]
Debt Instrument [Line Items]
Cinemark USA, Inc. term loan due 2030		$ 643.5	$ 645.1
Other		6.5	7.0
Total carrying value of long-term debt	[1]	2,430.0	2,432.1
Less current portion		7.8	7.8
Less: Debt discounts and debt issuance costs, net of accumulated amortization	[1]	30.6	33.0
Long-term debt, less current portion	[1]	2,391.6	2,391.3
CNK [Member] | 4.500% convertible senior notes due 2025
Debt Instrument [Line Items]
Senior notes		460.0	460.0
CNK [Member] | 8.750% senior secured notes due 2025
Debt Instrument [Line Items]
Senior notes		150.0	150.0
CNK [Member] | 5.875% senior notes due 2026
Debt Instrument [Line Items]
Senior notes		405.0	405.0
CNK [Member] | 5.250% senior notes due 2028
Debt Instrument [Line Items]
Senior notes		765.0	765.0
CUSA [Member]
Debt Instrument [Line Items]
Total carrying value of long-term debt		1,970.0	1,972.1
Less current portion		7.8	7.8
Less: Debt discounts and debt issuance costs, net of accumulated amortization		25.9	27.5
Long-term debt, less current portion		$ 1,936.3	$ 1,936.8

[1] The only differences between the long-term debt for Holdings, as presented above, and the long-term debt for CUSA are the $460.0 4.50% Convertible Senior Notes due August 2025 and the related debt issuance costs. The following table sets forth, as of the periods indicated, the total long-term debt carrying value, current portion of long-term debt and debt issuance costs, net of amortization, for CUSA.