Impairment of Long-Lived Assets - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013 Theatre
Property, Plant and Equipment [Line Items]
Impairment charges	$ 1,198	$ 2,916	$ 1,556	$ 3,241
Number of operating theatres where competition entered the market				1
Estimated aggregate fair value of long-lived assets impaired	$ 3,046		$ 3,179
Minimum [Member]
Property, Plant and Equipment [Line Items]
Projects future attendance fluctuations, percent			(10.00%)
Risk-adjusted of return, discount rate			10.00%
Maximum [Member]
Property, Plant and Equipment [Line Items]
Projects future attendance fluctuations, percent			10.00%
Risk-adjusted of return, discount rate			15.00%