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Investments In Unconsolidated Joint Ventures (Summary Of Equity Earnings From Investments In Unconsolidated Joint Ventures) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Schedule of Equity Method Investments [Line Items]      
Total equity earnings $ 974 $ 815 $ 999 [1]
Mt. Gravatt [Member]      
Schedule of Equity Method Investments [Line Items]      
Total equity earnings 690 726 805
Rialto Cinemas [Member]      
Schedule of Equity Method Investments [Line Items]      
Total equity earnings $ 284 $ 89 $ 194
[1] Certain prior year balances have been reclassified to conform to the 2017 presentation (see Note 2 - Summary of Significant Accounting Policies - Reclassifications).