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Real Estate Held-for-Investment and Real Estate Held-for-Sale (Real Estate Held-For-Investment)(Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Schedule of Long Lived Assets Held-For-Investment [Line Items]            
Real estate held for investment $ 93,032 $ 108,430 $ 107,336 $ 38,785 $ 38,781 $ 37,413
Land [Member]
           
Schedule of Long Lived Assets Held-For-Investment [Line Items]            
Real estate held for investment 61,052   79,656      
Rental properties [Member]
           
Schedule of Long Lived Assets Held-For-Investment [Line Items]            
Real estate held for investment 31,191   26,891      
Other [Member]
           
Schedule of Long Lived Assets Held-For-Investment [Line Items]            
Real estate held for investment $ 789   $ 789