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Investments In And Advances To Unconsolidated Joint Ventures And Entities (Schedule Of Balance Sheet And Statement Of Operations Data Of Unconsolidated Joint Ventures And Equity Method Investments) (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Schedule of Equity Method Investments [Line Items]      
Current assets $ 3,255 $ 3,488  
Noncurrent assets 5,934 6,621  
Current liabilities 2,516 2,197  
Noncurrent liabilities 670 751  
Members' equity 6,002 7,161  
Total revenue 23,070 26,138 28,017
Net income 3,598 4,590 4,021
Mt. Gravatt [Member]
      
Schedule of Equity Method Investments [Line Items]      
Current assets 887 1,318  
Noncurrent assets 3,288 4,078  
Current liabilities 751 1,111  
Noncurrent liabilities 30 43  
Members' equity 3,394 4,242  
Total revenue 12,949 15,236 14,097
Net income $ 2,923 $ 3,513 $ 3,045