Fair Value Of Financial Instruments (Narrative) (Details)	12 Months Ended			12 Months Ended
	Dec. 31, 2011 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2010 USD ($)	Dec. 31, 2011 Rialto Cinemas [Member] USD ($)	Dec. 31, 2011 Rialto Cinemas [Member] NZD
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of impaired real estate property	$ 1,900,000	$ 4,100,000	$ 1,800,000	$ 1,600,000	2,000,000
Property impairment	$ 65,000			$ 2,900,000	3,800,000