Impairment of Property and Equipment - Summary of Impairment of Property and Equipment (Detail) - USD ($) $ in Thousands	3 Months Ended						12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Continuing Operations:
Impairment of long-lived assets	$ 4,271	$ 1,388	$ 481	$ 1,389	$ 1,655	$ 1,198	$ 7,529	$ 3,212	$ 3,726
Discontinued Operations:
Impairment of long-lived assets							0	0	143
Theatre Properties [Member]
Continuing Operations:
Impairment of long-lived assets							6,311	2,845	3,528
Discontinued Operations:
Impairment of long-lived assets							0	0	122
Equipment [Member]
Continuing Operations:
Impairment of long-lived assets							1,218	367	198
Discontinued Operations:
Impairment of long-lived assets							$ 0	$ 0	$ 21