Screenvision Exhibition, Inc. - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended			0 Months Ended	9 Months Ended	1 Months Ended	0 Months Ended	1 Months Ended	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012	Oct. 14, 2010 Class C Membership Units [Member]	Sep. 30, 2013 Class C Membership Units [Member]	Sep. 30, 2011 Class A Membership Units [Member]	Oct. 14, 2010 Screenvision [Member]	Jan. 31, 2011 Screenvision [Member]	Sep. 30, 2013 Screenvision [Member]	Sep. 30, 2012 Screenvision [Member]	Sep. 30, 2013 Screenvision [Member]	Sep. 30, 2012 Screenvision [Member]	Dec. 31, 2012 Screenvision [Member]
Schedule of Equity Method Investments [Line Items]
Exhibition agreement, expiration date													Jul. 01, 2012
Modified Exhibition Agreement, additional term													30 years
Modified Exhibition Agreement, expiration date													Jul. 01, 2042
Cash received on Modified Exhibition Agreement										$ 30,000
Percentage of issued and outstanding membership units received						20.00%		1.00%
Voluntary capital contribution made to SV Holdco								718
Percentage of Class C and Class A membership units held	100.00%		100.00%								19.00%		19.00%
Carrying value of ownership interest in SV Holdco	6,481		6,481		7,682						5,626		5,626
Threshold amount applicable for future profits and appreciation in assets						85,000	88,000
Maximum forfeiture limit							25.00%
Maximum bonus units to be received							33.00%
Non-forfeitable ownership interest at estimated fair value									6,555
Non-forfeitable Class C and Class A membership units											15.00%		15.00%		15.00%
Recognized concessions and other revenue received									30,000
Aggregate amount deferred to be recognized as concessions and other revenue									36,555
Concessions and other	62,221	46,783	173,283	143,008							2,900	2,700	7,400	7,600
Intercompany gain to Company											510	400	1,305	1,200
Amounts due included in accounts receivable related to Screenvision	$ 5,854		$ 5,854		$ 6,555						$ 1,537		$ 1,537		$ 2,030