Investments In Unconsolidated Joint Ventures (Summary Of Equity Earnings From Investments In Unconsolidated Joint Ventures And Entities) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Schedule of Equity Method Investments [Line Items]
Total equity earnings	$ 34	$ 257
Rialto Cinemas [Member]
Schedule of Equity Method Investments [Line Items]
Total equity earnings	(56)	70
Mt. Gravatt [Member]
Schedule of Equity Method Investments [Line Items]
Total equity earnings	$ 90	$ 187