CAPITAL STOCK - Schedule of Estimated Remaining Expense (Detail) - Restricted Stock Units (RSUs) [Member] $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($)
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Estimated remaining expense	$ 16.9	[1]
Cinemark Partners Second [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Estimated remaining expense	16.3	[1]
Cinemark Holdings Inc [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Estimated remaining expense	$ 0.6

[1] The weighted average period over which this remaining compensation expense will be recognized by both Holdings and CUSA is approximately 1.2 years.