Screenvision Exhibition, Inc. - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended				0 Months Ended	6 Months Ended	1 Months Ended	0 Months Ended		1 Months Ended	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013	Jun. 30, 2012	Oct. 14, 2010 Class C Membership Units [Member]	Jun. 30, 2014 Class C Membership Units [Member]	Sep. 30, 2011 Class A Membership Units [Member]	May 05, 2014 Screenvision Exhibition, Inc. [Member]	Oct. 14, 2010 Screenvision Exhibition, Inc. [Member]	Jan. 31, 2011 Screenvision Exhibition, Inc. [Member]	Jun. 30, 2014 Screenvision Exhibition, Inc. [Member]	Jun. 30, 2013 Screenvision Exhibition, Inc. [Member]	Jun. 30, 2014 Screenvision Exhibition, Inc. [Member]	Jun. 30, 2013 Screenvision Exhibition, Inc. [Member]	Dec. 31, 2013 Screenvision Exhibition, Inc. [Member]	May 05, 2014 Screenvision Exhibition, Inc. [Member] Common Stock [Member]	Jun. 30, 2014 SV Holdco, LLC [Member]	Dec. 31, 2013 SV Holdco, LLC [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%													19.00%
Carrying value of ownership interest in SV Holdco	5,613		5,613		7,073														4,788	6,188
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	67,871	62,258	129,223	110,486									2,800	2,500	5,600	4,500
Intercompany gain to Company			982	794									491	440	982	794
Amounts due included in accounts receivable related to Screenvision	10,453		10,453		8,513								2,316		2,316		2,375
Business acquisition cash paid										225,000
Definitive merger agreement with Screenvision, stock value																		$ 150,000