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Organization and Principles of Consolidation Variable Interest Entities (Details) - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities $ 17,578 $ 17,948
Noncontrolling Interest in Variable Interest Entity 19,208 11,058
Real Estate [Member]    
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Assets 252,114 81,424
Cash and Cash Equivalents [Member]    
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Assets $ 10,822 $ 790