Impairment of Property and Equipment (Details Textual) (USD $) In Thousands, unless otherwise specified	3 Months Ended				12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Dec. 31, 2011	Jun. 30, 2011	Dec. 31, 2012 Theatre	Dec. 31, 2011	Dec. 31, 2010
Impairment of Property and Equipment (Additional Textual) [Abstract]
Impairment charges	$ 900	$ 800	$ 2,100	$ 1,200	$ 4,348	$ 3,489	$ 7,699
Property and equipment Impairment charges							7,699
Estimated aggregate fair value of long-lived assets impaired					5,932	5,576
Impairment charges on theatres using valuation inputs					2,376	2,086	4,718
Impairment charges on theatres impaired on prior years using valuation inputs					191	703	1,890
Impairment charges on previously impaired theatres using valuation inputs					$ 1,781	$ 700	$ 1,091
Number of theatres					2
Maximum [Member]
Impairment of Property and Equipment (Textual) [Abstract]
Projects future attendance fluctuations, percent					10.00%
Risk-adjusted of return, discount rate					15.00%
Minimum [Member]
Impairment of Property and Equipment (Textual) [Abstract]
Projects future attendance fluctuations, percent					10.00%
Risk-adjusted of return, discount rate					10.00%