Accrued Expenses (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Summary of accrued expenses
Deferred revenues - Other	$ 10,002	$ 7,208
Deferred revenues - Screenvision	1,157	1,153
Accrued rents	4,933	4,244
Property taxes	8,385	6,050
Accrued interest	1,979	62
Accrued salaries	5,938	4,832
Sales taxes	2,465	2,635
Other accruals	5,190	4,952
Total accrued expenses	$ 40,049	$ 31,136