Screenvision Transaction (Details) (USD $) In Thousands, unless otherwise specified			12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 SV Holdco [Member]
Investment in unconsolidated affiliates
Balance at January 1, 2012	$ 7,682	$ 8,498	$ 7,514
Equity earnings of SV Holdco			(774)
Balance at December 31, 2012	7,682	8,498	6,740
Deferred revenue
Balance at January 1, 2012			35,162
Amortization of up-front payment			(947)
Theatre acquisition bonus - MNM Theatres			134
Amortization of Class of C Units			(208)
Balance at December 31, 2012			$ 34,141