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Investment In Affiliates , Schedule of Investments (Details) (Origen Financial [Member], USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Origen Financial [Member]
       
Schedule of Equity Method Investments [Line Items]        
Revenues $ 10,589 $ 12,079 $ 32,841 $ 37,959
Expenses (10,879) (13,123) (33,326) (40,683)
Net income (loss) $ (290) $ (1,044) $ (485) $ (2,724)