Impairment of Long-Lived Assets - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 Theatre	Sep. 30, 2012 Theatre
Property, Plant and Equipment [Line Items]
Impairment charges	$ 2,974	$ 1,835	$ 3,385	$ 3,358
Number of operating theatres where competition entered the market			1
Number of theatres				2
Estimated aggregate fair value of long-lived assets impaired	$ 2,629		$ 3,879
Maximum [Member]
Property, Plant and Equipment [Line Items]
Projects future attendance fluctuations, percent			10.00%
Risk-adjusted of return, discount rate			15.00%
Minimum [Member]
Property, Plant and Equipment [Line Items]
Projects future attendance fluctuations, percent			(10.00%)
Risk-adjusted of return, discount rate			10.00%