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Investments In Unconsolidated Entities (Narrative) (Details) (USD $)
3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Schedule of Equity Method Investments [Line Items]    
Equity in (earnings) loss of unconsolidated entities $ (1,996,000) $ (1,109,000)
Capital contributions made to unconsolidated entities 49,000 1,968,000
Capital and earnings distributions received from unconsolidated entities $ 3,500,000 $ 1,400,000