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Real Estate (Discontinued Operations) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Real Estate [Abstract]      
Revenues     $ 5,545
Total expenses     (3,138)
Impairment of assets     (1,763)
Income (loss) from discontinued operations $ 0 $ 0 $ 644