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Investments In Unconsolidated Entities (Narrative) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Schedule of Equity Method Investments [Line Items]      
Equity in earnings of unconsolidated entities $ (2,690) $ 1,985 $ (8,337)
Capital and earnings distributions received from unconsolidated entities 12,100 9,400 10,900
Payments to Acquire Interest in Subsidiaries and Affiliates (1,000) (23,000) $ (14,500)
Joint Venture Debt Total 42,948 $ 59,544  
Joint Venture Debt Company Proportionate Share Total $ 42,100    
Unconsolidated Joint Ventures [Member]      
Schedule of Equity Method Investments [Line Items]      
Equity Method Investment, Ownership Percentage 50.00%