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Summary of Activity with NCM Included in Company's Consolidated Financial Statements (Parenthetical) (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($)
Equity Method Investments And Joint Ventures [Abstract]
Company's beverage concessionaire advertising costs	$ 370

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- Definition

Cost of on-screen advertising time provided to beverage concessionaire.

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No definition available.

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No definition available.

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