Investments In Unconsolidated Joint Ventures (Summary Of Equity Earnings (Losses) From Investments In Unconsolidated Joint Ventures) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Schedule of Equity Method Investments [Line Items]
Total equity earnings	$ 19	$ (65)
Mt. Gravatt [Member]
Schedule of Equity Method Investments [Line Items]
Total equity earnings	60	20
Rialto Cinemas [Member]
Schedule of Equity Method Investments [Line Items]
Total equity earnings	$ (41)	$ (85)