Acquisitions - Summary of Selected Unaudited Pro Forma Results of Operations Information (Detail) - Level 3 [Member] - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Sundance Cinemas, LLC [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Revenues	$ 822,359	$ 713,171
Operating income	66,308	43,030
Net (loss) income	$ 473	$ (6,956)
Income (loss) per share:
Basic (in dollars per share)	$ 0.02	$ (0.30)
Diluted (in dollars per share)	$ 0.02	$ (0.30)
Digital Cinema Destinations Corp [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Revenues		$ 733,923	$ 677,468
Operating income		40,763	59,676
Net (loss) income		$ (11,716)	$ 3,941
Income (loss) per share:
Basic (in dollars per share)		$ (0.50)	$ 0.20
Diluted (in dollars per share)		$ (0.50)	$ 0.20
Muvico Entertainment, L.L.C [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Revenues		$ 699,826	$ 603,243
Operating income		60,163	58,882
Net (loss) income		$ 4,692	$ 97,595
Income (loss) per share:
Basic (in dollars per share)		$ 0.24	$ 6.19
Diluted (in dollars per share)		$ 0.23	$ 6.07