Acquisitions - Summary of the Purchase Price and Purchase Price Allocation Based on Fair Value of Net Assets Acquired, Digiplex (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Aug. 15, 2014	Dec. 31, 2013
Business Acquisition [Line Items]
Goodwill	$ 151,716	$ 125,515		$ 74,377
Digital Cinema Destinations Corp [Member]
Business Acquisition [Line Items]
Total purchase price, net of cash received			$ 58,004
Accounts receivable			396
Other current assets			534
Property and equipment			25,126
Intangible assets		2,190	2,190
Other assets			521
Deferred tax assets			9,716
Accounts payable			(3,347)
Accrued expenses			(3,730)
Unfavorable lease obligations		$ (5,980)	(5,980)
Capital leases assumed			(850)
Assumption of Northlight term loan			(9,099)
Other liabilities			(630)
Net assets acquired			14,847
Goodwill			$ 43,157