Subsequent Events - Additional Information (Detail) (Subsequent Event [Member])	1 Months Ended
	Jul. 22, 2013	Jul. 17, 2013 Theatre Screens
Subsequent Event [Member]
Subsequent Event [Line Items]
Number of theatres to be acquired under purchase agreement		3
Number of screens to be acquired under purchase agreement		52
Commenced an offering	4,500,000
Underwriters' option to purchase an additional shares of common stock	675,000