Theatre Acquisitions - Summary of the Preliminary Purchase Price Allocation Based on Deferred Income Tax (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Aug. 15, 2014
Business Acquisition [Line Items]
Goodwill	$ 125,646us-gaap_Goodwill	$ 125,515us-gaap_Goodwill
Digiplex [Member]
Business Acquisition [Line Items]
Total purchase price, net of cash received			58,004
Accounts receivable			515
Other current assets			266
Property and equipment			25,126
Intangible assets	2,190		2,190
Other assets			521
Deferred tax assets			10,211
Accounts payable			(3,359)
Accrued expenses			(3,730)
Unfavorable lease obligations	(5,980)		(5,980)
Capital leases assumed			(850)
Assumption of Northlight term loan			(9,099)
Net assets acquired			15,811
Goodwill			$ 42,193

Business acquisition purchase price allocation assets acquired liabilities assumed net of cash.

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Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities Accrued Expenses

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Amount of unfavorable lease obligations, assumed at the acquisition date.

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Amount of other assets expected to be realized or consumed before one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of liabilities incurred for goods and services received that are used in an entity's business and related party payables, assumed at the acquisition date.

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Amount of deferred tax asset attributable to deductible temporary differences and carryforwards that are expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of other assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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