Income Taxes (Schedule Of Components Of Deferred Tax Assets And Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Net operating loss carry forwards	$ 31,040	$ 35,455
Impairment reserves	4,493	1,764
Alternative minimum tax carry forwards	3,118	2,993
Installment sale of cinema property	3,022	2,929
Deferred revenue and expense	6,708	6,378
Acquired and option properties	(952)	2,924
Other	3,122	402
Total Deferred Tax Assets	50,551	52,845
Valuation allowance	(37,903)	(38,461)
Net deferred tax asset	$ 12,648	$ 14,384