Investments In Unconsolidated Joint Ventures (Summary Of Equity Earnings (Losses) From Investments In Unconsolidated Joint Ventures) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Schedule of Equity Method Investments [Line Items]
Total equity earnings	$ 283	$ (274)	$ 233	$ (195)
Mt. Gravatt [Member]
Schedule of Equity Method Investments [Line Items]
Total equity earnings	181	(179)	181	(86)
Rialto Cinemas [Member]
Schedule of Equity Method Investments [Line Items]
Total equity earnings	$ 102	$ (95)	$ 52	$ (109)