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Investments In Unconsolidated Joint Ventures (Summary Of The Investments In Unconsolidated Joint Ventures And Entities) (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Schedule of Equity Method Investments [Line Items]    
Total investments $ 5,121 $ 5,304
Mt. Gravatt [Member]    
Schedule of Equity Method Investments [Line Items]    
Interest 33.30%  
Total investments $ 3,861 4,118
Rialto Cinemas [Member]    
Schedule of Equity Method Investments [Line Items]    
Interest 50.00%  
Total investments $ 1,260 $ 1,186