Investments In Unconsolidated Joint Ventures (Summary Of Equity Earnings From Investments In Unconsolidated Joint Ventures) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Schedule of Equity Method Investments [Line Items]
Total equity earnings	$ (274)	$ 327	$ (195)	$ 361
Rialto Cinemas [Member]
Schedule of Equity Method Investments [Line Items]
Total equity earnings	(95)	71	(109)	14
Mt. Gravatt [Member]
Schedule of Equity Method Investments [Line Items]
Total equity earnings	$ (179)	$ 256	$ (86)	$ 347