Acquisitions - Summary of the Preliminary Purchase Price Sundance (Details) - USD ($) $ in Thousands		9 Months Ended
	Oct. 06, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Business Acquisition [Line Items]
Purchase price, net of cash received		$ 5,465	$ 0
Inventory		4,440		$ 5,115
Goodwill		$ 153,549		$ 151,716
Sundance Cinemas, LLC [Member]
Business Acquisition [Line Items]
Purchase price, net of cash received	$ 35,713
Working capital adjustment	130
Total purchase price	35,843
Accounts receivable	156
Inventory	173
Other current assets	511
Property and equipment	10,022
Intangible assets	200
Other assets	464
Deferred tax assets	1,444
Accounts payable	(870)
Accrued expenses	(852)
Other liabilities	(520)
Net assets acquired	10,728
Goodwill	25,115
Purchase Price	$ 35,843