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Investment in National CineMedia - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	1 Months Ended	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2015	Mar. 31, 2014
Schedule of Equity Method Investments [Line Items]
Equity in earnings		$ 5,239	$ 3,620
Number of additional common units of NCM received under common unit adjustment agreement	1,074,910
Investment in NCM - receipt of common units	15,421	15,421	8,216
Remaining term of exhibitor services agreement	21 years
Number of common units of NCM owned by Company	25,631,046	25,631,046
Interest on common units of NCM owned by Company	20.00%cnk_PercentageOwnershipInCompanyOne	20.00%cnk_PercentageOwnershipInCompanyOne
NCM
Schedule of Equity Method Investments [Line Items]
Equity in earnings		$ 795	$ 432

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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