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Real Estate Real Estate (Details) - USD ($)
Jun. 30, 2015
Dec. 31, 2014
Real Estate [Abstract]    
Properties in operation $ 209,219,000 $ 196,980,000
Properties under development 611,038,000 534,632,000
Total 820,257,000 731,612,000
Real Estate Investment Property, Accumulated Depreciation $ 5,834,000 $ 1,609,000